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1 | # -*- coding: utf-8 -*- |
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1 | # -*- coding: utf-8 -*- | |
2 | """Top-level display functions for displaying object in different formats.""" |
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2 | """Top-level display functions for displaying object in different formats.""" | |
3 |
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3 | |||
4 | # Copyright (c) IPython Development Team. |
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4 | # Copyright (c) IPython Development Team. | |
5 | # Distributed under the terms of the Modified BSD License. |
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5 | # Distributed under the terms of the Modified BSD License. | |
6 |
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6 | |||
7 |
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7 | |||
8 | from binascii import b2a_base64, hexlify |
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8 | from binascii import b2a_base64, hexlify | |
9 | import html |
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9 | import html | |
10 | import json |
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10 | import json | |
11 | import mimetypes |
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11 | import mimetypes | |
12 | import os |
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12 | import os | |
13 | import struct |
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13 | import struct | |
14 | import warnings |
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14 | import warnings | |
15 | from copy import deepcopy |
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15 | from copy import deepcopy | |
16 | from os.path import splitext |
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16 | from os.path import splitext | |
17 | from pathlib import Path, PurePath |
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17 | from pathlib import Path, PurePath | |
18 |
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18 | |||
19 | from IPython.utils.py3compat import cast_unicode |
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19 | from IPython.utils.py3compat import cast_unicode | |
20 | from IPython.testing.skipdoctest import skip_doctest |
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20 | from IPython.testing.skipdoctest import skip_doctest | |
21 | from . import display_functions |
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21 | from . import display_functions | |
22 |
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22 | |||
23 |
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23 | |||
24 | __all__ = ['display_pretty', 'display_html', 'display_markdown', |
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24 | __all__ = ['display_pretty', 'display_html', 'display_markdown', | |
25 | 'display_svg', 'display_png', 'display_jpeg', 'display_latex', 'display_json', |
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25 | 'display_svg', 'display_png', 'display_jpeg', 'display_latex', 'display_json', | |
26 | 'display_javascript', 'display_pdf', 'DisplayObject', 'TextDisplayObject', |
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26 | 'display_javascript', 'display_pdf', 'DisplayObject', 'TextDisplayObject', | |
27 | 'Pretty', 'HTML', 'Markdown', 'Math', 'Latex', 'SVG', 'ProgressBar', 'JSON', |
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27 | 'Pretty', 'HTML', 'Markdown', 'Math', 'Latex', 'SVG', 'ProgressBar', 'JSON', | |
28 | 'GeoJSON', 'Javascript', 'Image', 'set_matplotlib_formats', |
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28 | 'GeoJSON', 'Javascript', 'Image', 'set_matplotlib_formats', | |
29 | 'set_matplotlib_close', |
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29 | 'set_matplotlib_close', | |
30 | 'Video'] |
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30 | 'Video'] | |
31 |
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31 | |||
32 | _deprecated_names = ["display", "clear_output", "publish_display_data", "update_display", "DisplayHandle"] |
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32 | _deprecated_names = ["display", "clear_output", "publish_display_data", "update_display", "DisplayHandle"] | |
33 |
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33 | |||
34 | __all__ = __all__ + _deprecated_names |
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34 | __all__ = __all__ + _deprecated_names | |
35 |
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35 | |||
36 |
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36 | |||
37 | # ----- warn to import from IPython.display ----- |
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37 | # ----- warn to import from IPython.display ----- | |
38 |
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38 | |||
39 | from warnings import warn |
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39 | from warnings import warn | |
40 |
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40 | |||
41 |
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41 | |||
42 | def __getattr__(name): |
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42 | def __getattr__(name): | |
43 | if name in _deprecated_names: |
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43 | if name in _deprecated_names: | |
44 | warn(f"Importing {name} from IPython.core.display is deprecated since IPython 7.14, please import from IPython display", DeprecationWarning, stacklevel=2) |
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44 | warn(f"Importing {name} from IPython.core.display is deprecated since IPython 7.14, please import from IPython display", DeprecationWarning, stacklevel=2) | |
45 | return getattr(display_functions, name) |
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45 | return getattr(display_functions, name) | |
46 |
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46 | |||
47 | if name in globals().keys(): |
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47 | if name in globals().keys(): | |
48 | return globals()[name] |
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48 | return globals()[name] | |
49 | else: |
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49 | else: | |
50 | raise AttributeError(f"module {__name__} has no attribute {name}") |
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50 | raise AttributeError(f"module {__name__} has no attribute {name}") | |
51 |
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51 | |||
52 |
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52 | |||
53 | #----------------------------------------------------------------------------- |
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53 | #----------------------------------------------------------------------------- | |
54 | # utility functions |
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54 | # utility functions | |
55 | #----------------------------------------------------------------------------- |
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55 | #----------------------------------------------------------------------------- | |
56 |
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56 | |||
57 | def _safe_exists(path): |
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57 | def _safe_exists(path): | |
58 | """Check path, but don't let exceptions raise""" |
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58 | """Check path, but don't let exceptions raise""" | |
59 | try: |
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59 | try: | |
60 | return os.path.exists(path) |
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60 | return os.path.exists(path) | |
61 | except Exception: |
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61 | except Exception: | |
62 | return False |
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62 | return False | |
63 |
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63 | |||
64 |
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64 | |||
65 | def _display_mimetype(mimetype, objs, raw=False, metadata=None): |
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65 | def _display_mimetype(mimetype, objs, raw=False, metadata=None): | |
66 | """internal implementation of all display_foo methods |
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66 | """internal implementation of all display_foo methods | |
67 |
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67 | |||
68 | Parameters |
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68 | Parameters | |
69 | ---------- |
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69 | ---------- | |
70 | mimetype : str |
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70 | mimetype : str | |
71 | The mimetype to be published (e.g. 'image/png') |
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71 | The mimetype to be published (e.g. 'image/png') | |
72 | *objs : object |
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72 | *objs : object | |
73 | The Python objects to display, or if raw=True raw text data to |
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73 | The Python objects to display, or if raw=True raw text data to | |
74 | display. |
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74 | display. | |
75 | raw : bool |
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75 | raw : bool | |
76 | Are the data objects raw data or Python objects that need to be |
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76 | Are the data objects raw data or Python objects that need to be | |
77 | formatted before display? [default: False] |
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77 | formatted before display? [default: False] | |
78 | metadata : dict (optional) |
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78 | metadata : dict (optional) | |
79 | Metadata to be associated with the specific mimetype output. |
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79 | Metadata to be associated with the specific mimetype output. | |
80 | """ |
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80 | """ | |
81 | if metadata: |
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81 | if metadata: | |
82 | metadata = {mimetype: metadata} |
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82 | metadata = {mimetype: metadata} | |
83 | if raw: |
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83 | if raw: | |
84 | # turn list of pngdata into list of { 'image/png': pngdata } |
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84 | # turn list of pngdata into list of { 'image/png': pngdata } | |
85 | objs = [ {mimetype: obj} for obj in objs ] |
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85 | objs = [ {mimetype: obj} for obj in objs ] | |
86 | display(*objs, raw=raw, metadata=metadata, include=[mimetype]) |
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86 | display(*objs, raw=raw, metadata=metadata, include=[mimetype]) | |
87 |
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87 | |||
88 | #----------------------------------------------------------------------------- |
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88 | #----------------------------------------------------------------------------- | |
89 | # Main functions |
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89 | # Main functions | |
90 | #----------------------------------------------------------------------------- |
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90 | #----------------------------------------------------------------------------- | |
91 |
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91 | |||
92 |
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92 | |||
93 | def display_pretty(*objs, **kwargs): |
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93 | def display_pretty(*objs, **kwargs): | |
94 | """Display the pretty (default) representation of an object. |
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94 | """Display the pretty (default) representation of an object. | |
95 |
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95 | |||
96 | Parameters |
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96 | Parameters | |
97 | ---------- |
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97 | ---------- | |
98 | *objs : object |
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98 | *objs : object | |
99 | The Python objects to display, or if raw=True raw text data to |
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99 | The Python objects to display, or if raw=True raw text data to | |
100 | display. |
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100 | display. | |
101 | raw : bool |
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101 | raw : bool | |
102 | Are the data objects raw data or Python objects that need to be |
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102 | Are the data objects raw data or Python objects that need to be | |
103 | formatted before display? [default: False] |
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103 | formatted before display? [default: False] | |
104 | metadata : dict (optional) |
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104 | metadata : dict (optional) | |
105 | Metadata to be associated with the specific mimetype output. |
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105 | Metadata to be associated with the specific mimetype output. | |
106 | """ |
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106 | """ | |
107 | _display_mimetype('text/plain', objs, **kwargs) |
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107 | _display_mimetype('text/plain', objs, **kwargs) | |
108 |
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108 | |||
109 |
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109 | |||
110 | def display_html(*objs, **kwargs): |
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110 | def display_html(*objs, **kwargs): | |
111 | """Display the HTML representation of an object. |
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111 | """Display the HTML representation of an object. | |
112 |
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112 | |||
113 | Note: If raw=False and the object does not have a HTML |
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113 | Note: If raw=False and the object does not have a HTML | |
114 | representation, no HTML will be shown. |
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114 | representation, no HTML will be shown. | |
115 |
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115 | |||
116 | Parameters |
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116 | Parameters | |
117 | ---------- |
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117 | ---------- | |
118 | *objs : object |
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118 | *objs : object | |
119 | The Python objects to display, or if raw=True raw HTML data to |
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119 | The Python objects to display, or if raw=True raw HTML data to | |
120 | display. |
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120 | display. | |
121 | raw : bool |
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121 | raw : bool | |
122 | Are the data objects raw data or Python objects that need to be |
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122 | Are the data objects raw data or Python objects that need to be | |
123 | formatted before display? [default: False] |
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123 | formatted before display? [default: False] | |
124 | metadata : dict (optional) |
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124 | metadata : dict (optional) | |
125 | Metadata to be associated with the specific mimetype output. |
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125 | Metadata to be associated with the specific mimetype output. | |
126 | """ |
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126 | """ | |
127 | _display_mimetype('text/html', objs, **kwargs) |
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127 | _display_mimetype('text/html', objs, **kwargs) | |
128 |
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128 | |||
129 |
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129 | |||
130 | def display_markdown(*objs, **kwargs): |
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130 | def display_markdown(*objs, **kwargs): | |
131 | """Displays the Markdown representation of an object. |
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131 | """Displays the Markdown representation of an object. | |
132 |
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132 | |||
133 | Parameters |
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133 | Parameters | |
134 | ---------- |
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134 | ---------- | |
135 | *objs : object |
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135 | *objs : object | |
136 | The Python objects to display, or if raw=True raw markdown data to |
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136 | The Python objects to display, or if raw=True raw markdown data to | |
137 | display. |
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137 | display. | |
138 | raw : bool |
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138 | raw : bool | |
139 | Are the data objects raw data or Python objects that need to be |
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139 | Are the data objects raw data or Python objects that need to be | |
140 | formatted before display? [default: False] |
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140 | formatted before display? [default: False] | |
141 | metadata : dict (optional) |
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141 | metadata : dict (optional) | |
142 | Metadata to be associated with the specific mimetype output. |
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142 | Metadata to be associated with the specific mimetype output. | |
143 | """ |
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143 | """ | |
144 |
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144 | |||
145 | _display_mimetype('text/markdown', objs, **kwargs) |
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145 | _display_mimetype('text/markdown', objs, **kwargs) | |
146 |
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146 | |||
147 |
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147 | |||
148 | def display_svg(*objs, **kwargs): |
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148 | def display_svg(*objs, **kwargs): | |
149 | """Display the SVG representation of an object. |
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149 | """Display the SVG representation of an object. | |
150 |
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150 | |||
151 | Parameters |
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151 | Parameters | |
152 | ---------- |
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152 | ---------- | |
153 | *objs : object |
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153 | *objs : object | |
154 | The Python objects to display, or if raw=True raw svg data to |
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154 | The Python objects to display, or if raw=True raw svg data to | |
155 | display. |
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155 | display. | |
156 | raw : bool |
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156 | raw : bool | |
157 | Are the data objects raw data or Python objects that need to be |
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157 | Are the data objects raw data or Python objects that need to be | |
158 | formatted before display? [default: False] |
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158 | formatted before display? [default: False] | |
159 | metadata : dict (optional) |
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159 | metadata : dict (optional) | |
160 | Metadata to be associated with the specific mimetype output. |
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160 | Metadata to be associated with the specific mimetype output. | |
161 | """ |
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161 | """ | |
162 | _display_mimetype('image/svg+xml', objs, **kwargs) |
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162 | _display_mimetype('image/svg+xml', objs, **kwargs) | |
163 |
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163 | |||
164 |
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164 | |||
165 | def display_png(*objs, **kwargs): |
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165 | def display_png(*objs, **kwargs): | |
166 | """Display the PNG representation of an object. |
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166 | """Display the PNG representation of an object. | |
167 |
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167 | |||
168 | Parameters |
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168 | Parameters | |
169 | ---------- |
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169 | ---------- | |
170 | *objs : object |
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170 | *objs : object | |
171 | The Python objects to display, or if raw=True raw png data to |
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171 | The Python objects to display, or if raw=True raw png data to | |
172 | display. |
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172 | display. | |
173 | raw : bool |
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173 | raw : bool | |
174 | Are the data objects raw data or Python objects that need to be |
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174 | Are the data objects raw data or Python objects that need to be | |
175 | formatted before display? [default: False] |
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175 | formatted before display? [default: False] | |
176 | metadata : dict (optional) |
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176 | metadata : dict (optional) | |
177 | Metadata to be associated with the specific mimetype output. |
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177 | Metadata to be associated with the specific mimetype output. | |
178 | """ |
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178 | """ | |
179 | _display_mimetype('image/png', objs, **kwargs) |
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179 | _display_mimetype('image/png', objs, **kwargs) | |
180 |
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180 | |||
181 |
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181 | |||
182 | def display_jpeg(*objs, **kwargs): |
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182 | def display_jpeg(*objs, **kwargs): | |
183 | """Display the JPEG representation of an object. |
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183 | """Display the JPEG representation of an object. | |
184 |
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184 | |||
185 | Parameters |
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185 | Parameters | |
186 | ---------- |
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186 | ---------- | |
187 | *objs : object |
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187 | *objs : object | |
188 | The Python objects to display, or if raw=True raw JPEG data to |
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188 | The Python objects to display, or if raw=True raw JPEG data to | |
189 | display. |
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189 | display. | |
190 | raw : bool |
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190 | raw : bool | |
191 | Are the data objects raw data or Python objects that need to be |
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191 | Are the data objects raw data or Python objects that need to be | |
192 | formatted before display? [default: False] |
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192 | formatted before display? [default: False] | |
193 | metadata : dict (optional) |
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193 | metadata : dict (optional) | |
194 | Metadata to be associated with the specific mimetype output. |
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194 | Metadata to be associated with the specific mimetype output. | |
195 | """ |
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195 | """ | |
196 | _display_mimetype('image/jpeg', objs, **kwargs) |
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196 | _display_mimetype('image/jpeg', objs, **kwargs) | |
197 |
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197 | |||
198 |
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198 | |||
199 | def display_latex(*objs, **kwargs): |
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199 | def display_latex(*objs, **kwargs): | |
200 | """Display the LaTeX representation of an object. |
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200 | """Display the LaTeX representation of an object. | |
201 |
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201 | |||
202 | Parameters |
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202 | Parameters | |
203 | ---------- |
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203 | ---------- | |
204 | *objs : object |
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204 | *objs : object | |
205 | The Python objects to display, or if raw=True raw latex data to |
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205 | The Python objects to display, or if raw=True raw latex data to | |
206 | display. |
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206 | display. | |
207 | raw : bool |
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207 | raw : bool | |
208 | Are the data objects raw data or Python objects that need to be |
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208 | Are the data objects raw data or Python objects that need to be | |
209 | formatted before display? [default: False] |
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209 | formatted before display? [default: False] | |
210 | metadata : dict (optional) |
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210 | metadata : dict (optional) | |
211 | Metadata to be associated with the specific mimetype output. |
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211 | Metadata to be associated with the specific mimetype output. | |
212 | """ |
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212 | """ | |
213 | _display_mimetype('text/latex', objs, **kwargs) |
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213 | _display_mimetype('text/latex', objs, **kwargs) | |
214 |
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214 | |||
215 |
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215 | |||
216 | def display_json(*objs, **kwargs): |
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216 | def display_json(*objs, **kwargs): | |
217 | """Display the JSON representation of an object. |
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217 | """Display the JSON representation of an object. | |
218 |
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218 | |||
219 | Note that not many frontends support displaying JSON. |
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219 | Note that not many frontends support displaying JSON. | |
220 |
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220 | |||
221 | Parameters |
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221 | Parameters | |
222 | ---------- |
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222 | ---------- | |
223 | *objs : object |
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223 | *objs : object | |
224 | The Python objects to display, or if raw=True raw json data to |
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224 | The Python objects to display, or if raw=True raw json data to | |
225 | display. |
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225 | display. | |
226 | raw : bool |
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226 | raw : bool | |
227 | Are the data objects raw data or Python objects that need to be |
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227 | Are the data objects raw data or Python objects that need to be | |
228 | formatted before display? [default: False] |
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228 | formatted before display? [default: False] | |
229 | metadata : dict (optional) |
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229 | metadata : dict (optional) | |
230 | Metadata to be associated with the specific mimetype output. |
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230 | Metadata to be associated with the specific mimetype output. | |
231 | """ |
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231 | """ | |
232 | _display_mimetype('application/json', objs, **kwargs) |
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232 | _display_mimetype('application/json', objs, **kwargs) | |
233 |
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233 | |||
234 |
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234 | |||
235 | def display_javascript(*objs, **kwargs): |
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235 | def display_javascript(*objs, **kwargs): | |
236 | """Display the Javascript representation of an object. |
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236 | """Display the Javascript representation of an object. | |
237 |
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237 | |||
238 | Parameters |
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238 | Parameters | |
239 | ---------- |
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239 | ---------- | |
240 | *objs : object |
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240 | *objs : object | |
241 | The Python objects to display, or if raw=True raw javascript data to |
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241 | The Python objects to display, or if raw=True raw javascript data to | |
242 | display. |
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242 | display. | |
243 | raw : bool |
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243 | raw : bool | |
244 | Are the data objects raw data or Python objects that need to be |
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244 | Are the data objects raw data or Python objects that need to be | |
245 | formatted before display? [default: False] |
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245 | formatted before display? [default: False] | |
246 | metadata : dict (optional) |
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246 | metadata : dict (optional) | |
247 | Metadata to be associated with the specific mimetype output. |
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247 | Metadata to be associated with the specific mimetype output. | |
248 | """ |
|
248 | """ | |
249 | _display_mimetype('application/javascript', objs, **kwargs) |
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249 | _display_mimetype('application/javascript', objs, **kwargs) | |
250 |
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250 | |||
251 |
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251 | |||
252 | def display_pdf(*objs, **kwargs): |
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252 | def display_pdf(*objs, **kwargs): | |
253 | """Display the PDF representation of an object. |
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253 | """Display the PDF representation of an object. | |
254 |
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254 | |||
255 | Parameters |
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255 | Parameters | |
256 | ---------- |
|
256 | ---------- | |
257 | *objs : object |
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257 | *objs : object | |
258 | The Python objects to display, or if raw=True raw javascript data to |
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258 | The Python objects to display, or if raw=True raw javascript data to | |
259 | display. |
|
259 | display. | |
260 | raw : bool |
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260 | raw : bool | |
261 | Are the data objects raw data or Python objects that need to be |
|
261 | Are the data objects raw data or Python objects that need to be | |
262 | formatted before display? [default: False] |
|
262 | formatted before display? [default: False] | |
263 | metadata : dict (optional) |
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263 | metadata : dict (optional) | |
264 | Metadata to be associated with the specific mimetype output. |
|
264 | Metadata to be associated with the specific mimetype output. | |
265 | """ |
|
265 | """ | |
266 | _display_mimetype('application/pdf', objs, **kwargs) |
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266 | _display_mimetype('application/pdf', objs, **kwargs) | |
267 |
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267 | |||
268 |
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268 | |||
269 | #----------------------------------------------------------------------------- |
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269 | #----------------------------------------------------------------------------- | |
270 | # Smart classes |
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270 | # Smart classes | |
271 | #----------------------------------------------------------------------------- |
|
271 | #----------------------------------------------------------------------------- | |
272 |
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272 | |||
273 |
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273 | |||
274 | class DisplayObject(object): |
|
274 | class DisplayObject(object): | |
275 | """An object that wraps data to be displayed.""" |
|
275 | """An object that wraps data to be displayed.""" | |
276 |
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276 | |||
277 | _read_flags = 'r' |
|
277 | _read_flags = 'r' | |
278 | _show_mem_addr = False |
|
278 | _show_mem_addr = False | |
279 | metadata = None |
|
279 | metadata = None | |
280 |
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280 | |||
281 | def __init__(self, data=None, url=None, filename=None, metadata=None): |
|
281 | def __init__(self, data=None, url=None, filename=None, metadata=None): | |
282 | """Create a display object given raw data. |
|
282 | """Create a display object given raw data. | |
283 |
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283 | |||
284 | When this object is returned by an expression or passed to the |
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284 | When this object is returned by an expression or passed to the | |
285 | display function, it will result in the data being displayed |
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285 | display function, it will result in the data being displayed | |
286 | in the frontend. The MIME type of the data should match the |
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286 | in the frontend. The MIME type of the data should match the | |
287 | subclasses used, so the Png subclass should be used for 'image/png' |
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287 | subclasses used, so the Png subclass should be used for 'image/png' | |
288 | data. If the data is a URL, the data will first be downloaded |
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288 | data. If the data is a URL, the data will first be downloaded | |
289 | and then displayed. If |
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289 | and then displayed. If | |
290 |
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290 | |||
291 | Parameters |
|
291 | Parameters | |
292 | ---------- |
|
292 | ---------- | |
293 | data : unicode, str or bytes |
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293 | data : unicode, str or bytes | |
294 | The raw data or a URL or file to load the data from |
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294 | The raw data or a URL or file to load the data from | |
295 | url : unicode |
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295 | url : unicode | |
296 | A URL to download the data from. |
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296 | A URL to download the data from. | |
297 | filename : unicode |
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297 | filename : unicode | |
298 | Path to a local file to load the data from. |
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298 | Path to a local file to load the data from. | |
299 | metadata : dict |
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299 | metadata : dict | |
300 | Dict of metadata associated to be the object when displayed |
|
300 | Dict of metadata associated to be the object when displayed | |
301 | """ |
|
301 | """ | |
302 | if isinstance(data, (Path, PurePath)): |
|
302 | if isinstance(data, (Path, PurePath)): | |
303 | data = str(data) |
|
303 | data = str(data) | |
304 |
|
304 | |||
305 | if data is not None and isinstance(data, str): |
|
305 | if data is not None and isinstance(data, str): | |
306 | if data.startswith('http') and url is None: |
|
306 | if data.startswith('http') and url is None: | |
307 | url = data |
|
307 | url = data | |
308 | filename = None |
|
308 | filename = None | |
309 | data = None |
|
309 | data = None | |
310 | elif _safe_exists(data) and filename is None: |
|
310 | elif _safe_exists(data) and filename is None: | |
311 | url = None |
|
311 | url = None | |
312 | filename = data |
|
312 | filename = data | |
313 | data = None |
|
313 | data = None | |
314 |
|
314 | |||
315 | self.url = url |
|
315 | self.url = url | |
316 | self.filename = filename |
|
316 | self.filename = filename | |
317 | # because of @data.setter methods in |
|
317 | # because of @data.setter methods in | |
318 | # subclasses ensure url and filename are set |
|
318 | # subclasses ensure url and filename are set | |
319 | # before assigning to self.data |
|
319 | # before assigning to self.data | |
320 | self.data = data |
|
320 | self.data = data | |
321 |
|
321 | |||
322 | if metadata is not None: |
|
322 | if metadata is not None: | |
323 | self.metadata = metadata |
|
323 | self.metadata = metadata | |
324 | elif self.metadata is None: |
|
324 | elif self.metadata is None: | |
325 | self.metadata = {} |
|
325 | self.metadata = {} | |
326 |
|
326 | |||
327 | self.reload() |
|
327 | self.reload() | |
328 | self._check_data() |
|
328 | self._check_data() | |
329 |
|
329 | |||
330 | def __repr__(self): |
|
330 | def __repr__(self): | |
331 | if not self._show_mem_addr: |
|
331 | if not self._show_mem_addr: | |
332 | cls = self.__class__ |
|
332 | cls = self.__class__ | |
333 | r = "<%s.%s object>" % (cls.__module__, cls.__name__) |
|
333 | r = "<%s.%s object>" % (cls.__module__, cls.__name__) | |
334 | else: |
|
334 | else: | |
335 | r = super(DisplayObject, self).__repr__() |
|
335 | r = super(DisplayObject, self).__repr__() | |
336 | return r |
|
336 | return r | |
337 |
|
337 | |||
338 | def _check_data(self): |
|
338 | def _check_data(self): | |
339 | """Override in subclasses if there's something to check.""" |
|
339 | """Override in subclasses if there's something to check.""" | |
340 | pass |
|
340 | pass | |
341 |
|
341 | |||
342 | def _data_and_metadata(self): |
|
342 | def _data_and_metadata(self): | |
343 | """shortcut for returning metadata with shape information, if defined""" |
|
343 | """shortcut for returning metadata with shape information, if defined""" | |
344 | if self.metadata: |
|
344 | if self.metadata: | |
345 | return self.data, deepcopy(self.metadata) |
|
345 | return self.data, deepcopy(self.metadata) | |
346 | else: |
|
346 | else: | |
347 | return self.data |
|
347 | return self.data | |
348 |
|
348 | |||
349 | def reload(self): |
|
349 | def reload(self): | |
350 | """Reload the raw data from file or URL.""" |
|
350 | """Reload the raw data from file or URL.""" | |
351 | if self.filename is not None: |
|
351 | if self.filename is not None: | |
352 | with open(self.filename, self._read_flags) as f: |
|
352 | with open(self.filename, self._read_flags) as f: | |
353 | self.data = f.read() |
|
353 | self.data = f.read() | |
354 | elif self.url is not None: |
|
354 | elif self.url is not None: | |
355 | # Deferred import |
|
355 | # Deferred import | |
356 | from urllib.request import urlopen |
|
356 | from urllib.request import urlopen | |
357 | response = urlopen(self.url) |
|
357 | response = urlopen(self.url) | |
358 | data = response.read() |
|
358 | data = response.read() | |
359 | # extract encoding from header, if there is one: |
|
359 | # extract encoding from header, if there is one: | |
360 | encoding = None |
|
360 | encoding = None | |
361 | if 'content-type' in response.headers: |
|
361 | if 'content-type' in response.headers: | |
362 | for sub in response.headers['content-type'].split(';'): |
|
362 | for sub in response.headers['content-type'].split(';'): | |
363 | sub = sub.strip() |
|
363 | sub = sub.strip() | |
364 | if sub.startswith('charset'): |
|
364 | if sub.startswith('charset'): | |
365 | encoding = sub.split('=')[-1].strip() |
|
365 | encoding = sub.split('=')[-1].strip() | |
366 | break |
|
366 | break | |
367 | if 'content-encoding' in response.headers: |
|
367 | if 'content-encoding' in response.headers: | |
368 | # TODO: do deflate? |
|
368 | # TODO: do deflate? | |
369 | if 'gzip' in response.headers['content-encoding']: |
|
369 | if 'gzip' in response.headers['content-encoding']: | |
370 | import gzip |
|
370 | import gzip | |
371 | from io import BytesIO |
|
371 | from io import BytesIO | |
372 | with gzip.open(BytesIO(data), 'rt', encoding=encoding) as fp: |
|
372 | with gzip.open(BytesIO(data), 'rt', encoding=encoding) as fp: | |
373 | encoding = None |
|
373 | encoding = None | |
374 | data = fp.read() |
|
374 | data = fp.read() | |
375 |
|
375 | |||
376 | # decode data, if an encoding was specified |
|
376 | # decode data, if an encoding was specified | |
377 | # We only touch self.data once since |
|
377 | # We only touch self.data once since | |
378 | # subclasses such as SVG have @data.setter methods |
|
378 | # subclasses such as SVG have @data.setter methods | |
379 | # that transform self.data into ... well svg. |
|
379 | # that transform self.data into ... well svg. | |
380 | if encoding: |
|
380 | if encoding: | |
381 | self.data = data.decode(encoding, 'replace') |
|
381 | self.data = data.decode(encoding, 'replace') | |
382 | else: |
|
382 | else: | |
383 | self.data = data |
|
383 | self.data = data | |
384 |
|
384 | |||
385 |
|
385 | |||
386 | class TextDisplayObject(DisplayObject): |
|
386 | class TextDisplayObject(DisplayObject): | |
387 | """Validate that display data is text""" |
|
387 | """Validate that display data is text""" | |
388 | def _check_data(self): |
|
388 | def _check_data(self): | |
389 | if self.data is not None and not isinstance(self.data, str): |
|
389 | if self.data is not None and not isinstance(self.data, str): | |
390 | raise TypeError("%s expects text, not %r" % (self.__class__.__name__, self.data)) |
|
390 | raise TypeError("%s expects text, not %r" % (self.__class__.__name__, self.data)) | |
391 |
|
391 | |||
392 | class Pretty(TextDisplayObject): |
|
392 | class Pretty(TextDisplayObject): | |
393 |
|
393 | |||
394 | def _repr_pretty_(self, pp, cycle): |
|
394 | def _repr_pretty_(self, pp, cycle): | |
395 | return pp.text(self.data) |
|
395 | return pp.text(self.data) | |
396 |
|
396 | |||
397 |
|
397 | |||
398 | class HTML(TextDisplayObject): |
|
398 | class HTML(TextDisplayObject): | |
399 |
|
399 | |||
400 | def __init__(self, data=None, url=None, filename=None, metadata=None): |
|
400 | def __init__(self, data=None, url=None, filename=None, metadata=None): | |
401 | def warn(): |
|
401 | def warn(): | |
402 | if not data: |
|
402 | if not data: | |
403 | return False |
|
403 | return False | |
404 |
|
404 | |||
405 | # |
|
405 | # | |
406 | # Avoid calling lower() on the entire data, because it could be a |
|
406 | # Avoid calling lower() on the entire data, because it could be a | |
407 | # long string and we're only interested in its beginning and end. |
|
407 | # long string and we're only interested in its beginning and end. | |
408 | # |
|
408 | # | |
409 | prefix = data[:10].lower() |
|
409 | prefix = data[:10].lower() | |
410 | suffix = data[-10:].lower() |
|
410 | suffix = data[-10:].lower() | |
411 | return prefix.startswith("<iframe ") and suffix.endswith("</iframe>") |
|
411 | return prefix.startswith("<iframe ") and suffix.endswith("</iframe>") | |
412 |
|
412 | |||
413 | if warn(): |
|
413 | if warn(): | |
414 | warnings.warn("Consider using IPython.display.IFrame instead") |
|
414 | warnings.warn("Consider using IPython.display.IFrame instead") | |
415 | super(HTML, self).__init__(data=data, url=url, filename=filename, metadata=metadata) |
|
415 | super(HTML, self).__init__(data=data, url=url, filename=filename, metadata=metadata) | |
416 |
|
416 | |||
417 | def _repr_html_(self): |
|
417 | def _repr_html_(self): | |
418 | return self._data_and_metadata() |
|
418 | return self._data_and_metadata() | |
419 |
|
419 | |||
420 | def __html__(self): |
|
420 | def __html__(self): | |
421 | """ |
|
421 | """ | |
422 | This method exists to inform other HTML-using modules (e.g. Markupsafe, |
|
422 | This method exists to inform other HTML-using modules (e.g. Markupsafe, | |
423 | htmltag, etc) that this object is HTML and does not need things like |
|
423 | htmltag, etc) that this object is HTML and does not need things like | |
424 | special characters (<>&) escaped. |
|
424 | special characters (<>&) escaped. | |
425 | """ |
|
425 | """ | |
426 | return self._repr_html_() |
|
426 | return self._repr_html_() | |
427 |
|
427 | |||
428 |
|
428 | |||
429 | class Markdown(TextDisplayObject): |
|
429 | class Markdown(TextDisplayObject): | |
430 |
|
430 | |||
431 | def _repr_markdown_(self): |
|
431 | def _repr_markdown_(self): | |
432 | return self._data_and_metadata() |
|
432 | return self._data_and_metadata() | |
433 |
|
433 | |||
434 |
|
434 | |||
435 | class Math(TextDisplayObject): |
|
435 | class Math(TextDisplayObject): | |
436 |
|
436 | |||
437 | def _repr_latex_(self): |
|
437 | def _repr_latex_(self): | |
438 | s = r"$\displaystyle %s$" % self.data.strip('$') |
|
438 | s = r"$\displaystyle %s$" % self.data.strip('$') | |
439 | if self.metadata: |
|
439 | if self.metadata: | |
440 | return s, deepcopy(self.metadata) |
|
440 | return s, deepcopy(self.metadata) | |
441 | else: |
|
441 | else: | |
442 | return s |
|
442 | return s | |
443 |
|
443 | |||
444 |
|
444 | |||
445 | class Latex(TextDisplayObject): |
|
445 | class Latex(TextDisplayObject): | |
446 |
|
446 | |||
447 | def _repr_latex_(self): |
|
447 | def _repr_latex_(self): | |
448 | return self._data_and_metadata() |
|
448 | return self._data_and_metadata() | |
449 |
|
449 | |||
450 |
|
450 | |||
451 | class SVG(DisplayObject): |
|
451 | class SVG(DisplayObject): | |
452 | """Embed an SVG into the display. |
|
452 | """Embed an SVG into the display. | |
453 |
|
453 | |||
454 | Note if you just want to view a svg image via a URL use `:class:Image` with |
|
454 | Note if you just want to view a svg image via a URL use `:class:Image` with | |
455 | a url=URL keyword argument. |
|
455 | a url=URL keyword argument. | |
456 | """ |
|
456 | """ | |
457 |
|
457 | |||
458 | _read_flags = 'rb' |
|
458 | _read_flags = 'rb' | |
459 | # wrap data in a property, which extracts the <svg> tag, discarding |
|
459 | # wrap data in a property, which extracts the <svg> tag, discarding | |
460 | # document headers |
|
460 | # document headers | |
461 | _data = None |
|
461 | _data = None | |
462 |
|
462 | |||
463 | @property |
|
463 | @property | |
464 | def data(self): |
|
464 | def data(self): | |
465 | return self._data |
|
465 | return self._data | |
466 |
|
466 | |||
467 | @data.setter |
|
467 | @data.setter | |
468 | def data(self, svg): |
|
468 | def data(self, svg): | |
469 | if svg is None: |
|
469 | if svg is None: | |
470 | self._data = None |
|
470 | self._data = None | |
471 | return |
|
471 | return | |
472 | # parse into dom object |
|
472 | # parse into dom object | |
473 | from xml.dom import minidom |
|
473 | from xml.dom import minidom | |
474 | x = minidom.parseString(svg) |
|
474 | x = minidom.parseString(svg) | |
475 | # get svg tag (should be 1) |
|
475 | # get svg tag (should be 1) | |
476 | found_svg = x.getElementsByTagName('svg') |
|
476 | found_svg = x.getElementsByTagName('svg') | |
477 | if found_svg: |
|
477 | if found_svg: | |
478 | svg = found_svg[0].toxml() |
|
478 | svg = found_svg[0].toxml() | |
479 | else: |
|
479 | else: | |
480 | # fallback on the input, trust the user |
|
480 | # fallback on the input, trust the user | |
481 | # but this is probably an error. |
|
481 | # but this is probably an error. | |
482 | pass |
|
482 | pass | |
483 | svg = cast_unicode(svg) |
|
483 | svg = cast_unicode(svg) | |
484 | self._data = svg |
|
484 | self._data = svg | |
485 |
|
485 | |||
486 | def _repr_svg_(self): |
|
486 | def _repr_svg_(self): | |
487 | return self._data_and_metadata() |
|
487 | return self._data_and_metadata() | |
488 |
|
488 | |||
489 | class ProgressBar(DisplayObject): |
|
489 | class ProgressBar(DisplayObject): | |
490 | """Progressbar supports displaying a progressbar like element |
|
490 | """Progressbar supports displaying a progressbar like element | |
491 | """ |
|
491 | """ | |
492 | def __init__(self, total): |
|
492 | def __init__(self, total): | |
493 | """Creates a new progressbar |
|
493 | """Creates a new progressbar | |
494 |
|
494 | |||
495 | Parameters |
|
495 | Parameters | |
496 | ---------- |
|
496 | ---------- | |
497 | total : int |
|
497 | total : int | |
498 | maximum size of the progressbar |
|
498 | maximum size of the progressbar | |
499 | """ |
|
499 | """ | |
500 | self.total = total |
|
500 | self.total = total | |
501 | self._progress = 0 |
|
501 | self._progress = 0 | |
502 | self.html_width = '60ex' |
|
502 | self.html_width = '60ex' | |
503 | self.text_width = 60 |
|
503 | self.text_width = 60 | |
504 | self._display_id = hexlify(os.urandom(8)).decode('ascii') |
|
504 | self._display_id = hexlify(os.urandom(8)).decode('ascii') | |
505 |
|
505 | |||
506 | def __repr__(self): |
|
506 | def __repr__(self): | |
507 | fraction = self.progress / self.total |
|
507 | fraction = self.progress / self.total | |
508 | filled = '=' * int(fraction * self.text_width) |
|
508 | filled = '=' * int(fraction * self.text_width) | |
509 | rest = ' ' * (self.text_width - len(filled)) |
|
509 | rest = ' ' * (self.text_width - len(filled)) | |
510 | return '[{}{}] {}/{}'.format( |
|
510 | return '[{}{}] {}/{}'.format( | |
511 | filled, rest, |
|
511 | filled, rest, | |
512 | self.progress, self.total, |
|
512 | self.progress, self.total, | |
513 | ) |
|
513 | ) | |
514 |
|
514 | |||
515 | def _repr_html_(self): |
|
515 | def _repr_html_(self): | |
516 | return "<progress style='width:{}' max='{}' value='{}'></progress>".format( |
|
516 | return "<progress style='width:{}' max='{}' value='{}'></progress>".format( | |
517 | self.html_width, self.total, self.progress) |
|
517 | self.html_width, self.total, self.progress) | |
518 |
|
518 | |||
519 | def display(self): |
|
519 | def display(self): | |
520 | display(self, display_id=self._display_id) |
|
520 | display(self, display_id=self._display_id) | |
521 |
|
521 | |||
522 | def update(self): |
|
522 | def update(self): | |
523 | display(self, display_id=self._display_id, update=True) |
|
523 | display(self, display_id=self._display_id, update=True) | |
524 |
|
524 | |||
525 | @property |
|
525 | @property | |
526 | def progress(self): |
|
526 | def progress(self): | |
527 | return self._progress |
|
527 | return self._progress | |
528 |
|
528 | |||
529 | @progress.setter |
|
529 | @progress.setter | |
530 | def progress(self, value): |
|
530 | def progress(self, value): | |
531 | self._progress = value |
|
531 | self._progress = value | |
532 | self.update() |
|
532 | self.update() | |
533 |
|
533 | |||
534 | def __iter__(self): |
|
534 | def __iter__(self): | |
535 | self.display() |
|
535 | self.display() | |
536 | self._progress = -1 # First iteration is 0 |
|
536 | self._progress = -1 # First iteration is 0 | |
537 | return self |
|
537 | return self | |
538 |
|
538 | |||
539 | def __next__(self): |
|
539 | def __next__(self): | |
540 | """Returns current value and increments display by one.""" |
|
540 | """Returns current value and increments display by one.""" | |
541 | self.progress += 1 |
|
541 | self.progress += 1 | |
542 | if self.progress < self.total: |
|
542 | if self.progress < self.total: | |
543 | return self.progress |
|
543 | return self.progress | |
544 | else: |
|
544 | else: | |
545 | raise StopIteration() |
|
545 | raise StopIteration() | |
546 |
|
546 | |||
547 | class JSON(DisplayObject): |
|
547 | class JSON(DisplayObject): | |
548 | """JSON expects a JSON-able dict or list |
|
548 | """JSON expects a JSON-able dict or list | |
549 |
|
549 | |||
550 | not an already-serialized JSON string. |
|
550 | not an already-serialized JSON string. | |
551 |
|
551 | |||
552 | Scalar types (None, number, string) are not allowed, only dict or list containers. |
|
552 | Scalar types (None, number, string) are not allowed, only dict or list containers. | |
553 | """ |
|
553 | """ | |
554 | # wrap data in a property, which warns about passing already-serialized JSON |
|
554 | # wrap data in a property, which warns about passing already-serialized JSON | |
555 | _data = None |
|
555 | _data = None | |
556 | def __init__(self, data=None, url=None, filename=None, expanded=False, metadata=None, root='root', **kwargs): |
|
556 | def __init__(self, data=None, url=None, filename=None, expanded=False, metadata=None, root='root', **kwargs): | |
557 | """Create a JSON display object given raw data. |
|
557 | """Create a JSON display object given raw data. | |
558 |
|
558 | |||
559 | Parameters |
|
559 | Parameters | |
560 | ---------- |
|
560 | ---------- | |
561 | data : dict or list |
|
561 | data : dict or list | |
562 | JSON data to display. Not an already-serialized JSON string. |
|
562 | JSON data to display. Not an already-serialized JSON string. | |
563 | Scalar types (None, number, string) are not allowed, only dict |
|
563 | Scalar types (None, number, string) are not allowed, only dict | |
564 | or list containers. |
|
564 | or list containers. | |
565 | url : unicode |
|
565 | url : unicode | |
566 | A URL to download the data from. |
|
566 | A URL to download the data from. | |
567 | filename : unicode |
|
567 | filename : unicode | |
568 | Path to a local file to load the data from. |
|
568 | Path to a local file to load the data from. | |
569 | expanded : boolean |
|
569 | expanded : boolean | |
570 | Metadata to control whether a JSON display component is expanded. |
|
570 | Metadata to control whether a JSON display component is expanded. | |
571 | metadata : dict |
|
571 | metadata : dict | |
572 | Specify extra metadata to attach to the json display object. |
|
572 | Specify extra metadata to attach to the json display object. | |
573 | root : str |
|
573 | root : str | |
574 | The name of the root element of the JSON tree |
|
574 | The name of the root element of the JSON tree | |
575 | """ |
|
575 | """ | |
576 | self.metadata = { |
|
576 | self.metadata = { | |
577 | 'expanded': expanded, |
|
577 | 'expanded': expanded, | |
578 | 'root': root, |
|
578 | 'root': root, | |
579 | } |
|
579 | } | |
580 | if metadata: |
|
580 | if metadata: | |
581 | self.metadata.update(metadata) |
|
581 | self.metadata.update(metadata) | |
582 | if kwargs: |
|
582 | if kwargs: | |
583 | self.metadata.update(kwargs) |
|
583 | self.metadata.update(kwargs) | |
584 | super(JSON, self).__init__(data=data, url=url, filename=filename) |
|
584 | super(JSON, self).__init__(data=data, url=url, filename=filename) | |
585 |
|
585 | |||
586 | def _check_data(self): |
|
586 | def _check_data(self): | |
587 | if self.data is not None and not isinstance(self.data, (dict, list)): |
|
587 | if self.data is not None and not isinstance(self.data, (dict, list)): | |
588 | raise TypeError("%s expects JSONable dict or list, not %r" % (self.__class__.__name__, self.data)) |
|
588 | raise TypeError("%s expects JSONable dict or list, not %r" % (self.__class__.__name__, self.data)) | |
589 |
|
589 | |||
590 | @property |
|
590 | @property | |
591 | def data(self): |
|
591 | def data(self): | |
592 | return self._data |
|
592 | return self._data | |
593 |
|
593 | |||
594 | @data.setter |
|
594 | @data.setter | |
595 | def data(self, data): |
|
595 | def data(self, data): | |
596 | if isinstance(data, (Path, PurePath)): |
|
596 | if isinstance(data, (Path, PurePath)): | |
597 | data = str(data) |
|
597 | data = str(data) | |
598 |
|
598 | |||
599 | if isinstance(data, str): |
|
599 | if isinstance(data, str): | |
600 | if self.filename is None and self.url is None: |
|
600 | if self.filename is None and self.url is None: | |
601 | warnings.warn("JSON expects JSONable dict or list, not JSON strings") |
|
601 | warnings.warn("JSON expects JSONable dict or list, not JSON strings") | |
602 | data = json.loads(data) |
|
602 | data = json.loads(data) | |
603 | self._data = data |
|
603 | self._data = data | |
604 |
|
604 | |||
605 | def _data_and_metadata(self): |
|
605 | def _data_and_metadata(self): | |
606 | return self.data, self.metadata |
|
606 | return self.data, self.metadata | |
607 |
|
607 | |||
608 | def _repr_json_(self): |
|
608 | def _repr_json_(self): | |
609 | return self._data_and_metadata() |
|
609 | return self._data_and_metadata() | |
610 |
|
610 | |||
611 | _css_t = """var link = document.createElement("link"); |
|
611 | _css_t = """var link = document.createElement("link"); | |
612 | link.ref = "stylesheet"; |
|
612 | link.ref = "stylesheet"; | |
613 | link.type = "text/css"; |
|
613 | link.type = "text/css"; | |
614 | link.href = "%s"; |
|
614 | link.href = "%s"; | |
615 | document.head.appendChild(link); |
|
615 | document.head.appendChild(link); | |
616 | """ |
|
616 | """ | |
617 |
|
617 | |||
618 | _lib_t1 = """new Promise(function(resolve, reject) { |
|
618 | _lib_t1 = """new Promise(function(resolve, reject) { | |
619 | var script = document.createElement("script"); |
|
619 | var script = document.createElement("script"); | |
620 | script.onload = resolve; |
|
620 | script.onload = resolve; | |
621 | script.onerror = reject; |
|
621 | script.onerror = reject; | |
622 | script.src = "%s"; |
|
622 | script.src = "%s"; | |
623 | document.head.appendChild(script); |
|
623 | document.head.appendChild(script); | |
624 | }).then(() => { |
|
624 | }).then(() => { | |
625 | """ |
|
625 | """ | |
626 |
|
626 | |||
627 | _lib_t2 = """ |
|
627 | _lib_t2 = """ | |
628 | });""" |
|
628 | });""" | |
629 |
|
629 | |||
630 | class GeoJSON(JSON): |
|
630 | class GeoJSON(JSON): | |
631 | """GeoJSON expects JSON-able dict |
|
631 | """GeoJSON expects JSON-able dict | |
632 |
|
632 | |||
633 | not an already-serialized JSON string. |
|
633 | not an already-serialized JSON string. | |
634 |
|
634 | |||
635 | Scalar types (None, number, string) are not allowed, only dict containers. |
|
635 | Scalar types (None, number, string) are not allowed, only dict containers. | |
636 | """ |
|
636 | """ | |
637 |
|
637 | |||
638 | def __init__(self, *args, **kwargs): |
|
638 | def __init__(self, *args, **kwargs): | |
639 | """Create a GeoJSON display object given raw data. |
|
639 | """Create a GeoJSON display object given raw data. | |
640 |
|
640 | |||
641 | Parameters |
|
641 | Parameters | |
642 | ---------- |
|
642 | ---------- | |
643 | data : dict or list |
|
643 | data : dict or list | |
644 | VegaLite data. Not an already-serialized JSON string. |
|
644 | VegaLite data. Not an already-serialized JSON string. | |
645 | Scalar types (None, number, string) are not allowed, only dict |
|
645 | Scalar types (None, number, string) are not allowed, only dict | |
646 | or list containers. |
|
646 | or list containers. | |
647 | url_template : string |
|
647 | url_template : string | |
648 | Leaflet TileLayer URL template: http://leafletjs.com/reference.html#url-template |
|
648 | Leaflet TileLayer URL template: http://leafletjs.com/reference.html#url-template | |
649 | layer_options : dict |
|
649 | layer_options : dict | |
650 | Leaflet TileLayer options: http://leafletjs.com/reference.html#tilelayer-options |
|
650 | Leaflet TileLayer options: http://leafletjs.com/reference.html#tilelayer-options | |
651 | url : unicode |
|
651 | url : unicode | |
652 | A URL to download the data from. |
|
652 | A URL to download the data from. | |
653 | filename : unicode |
|
653 | filename : unicode | |
654 | Path to a local file to load the data from. |
|
654 | Path to a local file to load the data from. | |
655 | metadata : dict |
|
655 | metadata : dict | |
656 | Specify extra metadata to attach to the json display object. |
|
656 | Specify extra metadata to attach to the json display object. | |
657 |
|
657 | |||
658 | Examples |
|
658 | Examples | |
659 | -------- |
|
659 | -------- | |
660 | The following will display an interactive map of Mars with a point of |
|
660 | The following will display an interactive map of Mars with a point of | |
661 | interest on frontend that do support GeoJSON display. |
|
661 | interest on frontend that do support GeoJSON display. | |
662 |
|
662 | |||
663 | >>> from IPython.display import GeoJSON |
|
663 | >>> from IPython.display import GeoJSON | |
664 |
|
664 | |||
665 | >>> GeoJSON(data={ |
|
665 | >>> GeoJSON(data={ | |
666 | ... "type": "Feature", |
|
666 | ... "type": "Feature", | |
667 | ... "geometry": { |
|
667 | ... "geometry": { | |
668 | ... "type": "Point", |
|
668 | ... "type": "Point", | |
669 | ... "coordinates": [-81.327, 296.038] |
|
669 | ... "coordinates": [-81.327, 296.038] | |
670 | ... } |
|
670 | ... } | |
671 | ... }, |
|
671 | ... }, | |
672 | ... url_template="http://s3-eu-west-1.amazonaws.com/whereonmars.cartodb.net/{basemap_id}/{z}/{x}/{y}.png", |
|
672 | ... url_template="http://s3-eu-west-1.amazonaws.com/whereonmars.cartodb.net/{basemap_id}/{z}/{x}/{y}.png", | |
673 | ... layer_options={ |
|
673 | ... layer_options={ | |
674 | ... "basemap_id": "celestia_mars-shaded-16k_global", |
|
674 | ... "basemap_id": "celestia_mars-shaded-16k_global", | |
675 | ... "attribution" : "Celestia/praesepe", |
|
675 | ... "attribution" : "Celestia/praesepe", | |
676 | ... "minZoom" : 0, |
|
676 | ... "minZoom" : 0, | |
677 | ... "maxZoom" : 18, |
|
677 | ... "maxZoom" : 18, | |
678 | ... }) |
|
678 | ... }) | |
679 | <IPython.core.display.GeoJSON object> |
|
679 | <IPython.core.display.GeoJSON object> | |
680 |
|
680 | |||
681 | In the terminal IPython, you will only see the text representation of |
|
681 | In the terminal IPython, you will only see the text representation of | |
682 | the GeoJSON object. |
|
682 | the GeoJSON object. | |
683 |
|
683 | |||
684 | """ |
|
684 | """ | |
685 |
|
685 | |||
686 | super(GeoJSON, self).__init__(*args, **kwargs) |
|
686 | super(GeoJSON, self).__init__(*args, **kwargs) | |
687 |
|
687 | |||
688 |
|
688 | |||
689 | def _ipython_display_(self): |
|
689 | def _ipython_display_(self): | |
690 | bundle = { |
|
690 | bundle = { | |
691 | 'application/geo+json': self.data, |
|
691 | 'application/geo+json': self.data, | |
692 | 'text/plain': '<IPython.display.GeoJSON object>' |
|
692 | 'text/plain': '<IPython.display.GeoJSON object>' | |
693 | } |
|
693 | } | |
694 | metadata = { |
|
694 | metadata = { | |
695 | 'application/geo+json': self.metadata |
|
695 | 'application/geo+json': self.metadata | |
696 | } |
|
696 | } | |
697 | display(bundle, metadata=metadata, raw=True) |
|
697 | display(bundle, metadata=metadata, raw=True) | |
698 |
|
698 | |||
699 | class Javascript(TextDisplayObject): |
|
699 | class Javascript(TextDisplayObject): | |
700 |
|
700 | |||
701 | def __init__(self, data=None, url=None, filename=None, lib=None, css=None): |
|
701 | def __init__(self, data=None, url=None, filename=None, lib=None, css=None): | |
702 | """Create a Javascript display object given raw data. |
|
702 | """Create a Javascript display object given raw data. | |
703 |
|
703 | |||
704 | When this object is returned by an expression or passed to the |
|
704 | When this object is returned by an expression or passed to the | |
705 | display function, it will result in the data being displayed |
|
705 | display function, it will result in the data being displayed | |
706 | in the frontend. If the data is a URL, the data will first be |
|
706 | in the frontend. If the data is a URL, the data will first be | |
707 | downloaded and then displayed. |
|
707 | downloaded and then displayed. | |
708 |
|
708 | |||
709 | In the Notebook, the containing element will be available as `element`, |
|
709 | In the Notebook, the containing element will be available as `element`, | |
710 | and jQuery will be available. Content appended to `element` will be |
|
710 | and jQuery will be available. Content appended to `element` will be | |
711 | visible in the output area. |
|
711 | visible in the output area. | |
712 |
|
712 | |||
713 | Parameters |
|
713 | Parameters | |
714 | ---------- |
|
714 | ---------- | |
715 | data : unicode, str or bytes |
|
715 | data : unicode, str or bytes | |
716 | The Javascript source code or a URL to download it from. |
|
716 | The Javascript source code or a URL to download it from. | |
717 | url : unicode |
|
717 | url : unicode | |
718 | A URL to download the data from. |
|
718 | A URL to download the data from. | |
719 | filename : unicode |
|
719 | filename : unicode | |
720 | Path to a local file to load the data from. |
|
720 | Path to a local file to load the data from. | |
721 | lib : list or str |
|
721 | lib : list or str | |
722 | A sequence of Javascript library URLs to load asynchronously before |
|
722 | A sequence of Javascript library URLs to load asynchronously before | |
723 | running the source code. The full URLs of the libraries should |
|
723 | running the source code. The full URLs of the libraries should | |
724 | be given. A single Javascript library URL can also be given as a |
|
724 | be given. A single Javascript library URL can also be given as a | |
725 | string. |
|
725 | string. | |
726 | css : list or str |
|
726 | css : list or str | |
727 | A sequence of css files to load before running the source code. |
|
727 | A sequence of css files to load before running the source code. | |
728 | The full URLs of the css files should be given. A single css URL |
|
728 | The full URLs of the css files should be given. A single css URL | |
729 | can also be given as a string. |
|
729 | can also be given as a string. | |
730 | """ |
|
730 | """ | |
731 | if isinstance(lib, str): |
|
731 | if isinstance(lib, str): | |
732 | lib = [lib] |
|
732 | lib = [lib] | |
733 | elif lib is None: |
|
733 | elif lib is None: | |
734 | lib = [] |
|
734 | lib = [] | |
735 | if isinstance(css, str): |
|
735 | if isinstance(css, str): | |
736 | css = [css] |
|
736 | css = [css] | |
737 | elif css is None: |
|
737 | elif css is None: | |
738 | css = [] |
|
738 | css = [] | |
739 | if not isinstance(lib, (list,tuple)): |
|
739 | if not isinstance(lib, (list,tuple)): | |
740 | raise TypeError('expected sequence, got: %r' % lib) |
|
740 | raise TypeError('expected sequence, got: %r' % lib) | |
741 | if not isinstance(css, (list,tuple)): |
|
741 | if not isinstance(css, (list,tuple)): | |
742 | raise TypeError('expected sequence, got: %r' % css) |
|
742 | raise TypeError('expected sequence, got: %r' % css) | |
743 | self.lib = lib |
|
743 | self.lib = lib | |
744 | self.css = css |
|
744 | self.css = css | |
745 | super(Javascript, self).__init__(data=data, url=url, filename=filename) |
|
745 | super(Javascript, self).__init__(data=data, url=url, filename=filename) | |
746 |
|
746 | |||
747 | def _repr_javascript_(self): |
|
747 | def _repr_javascript_(self): | |
748 | r = '' |
|
748 | r = '' | |
749 | for c in self.css: |
|
749 | for c in self.css: | |
750 | r += _css_t % c |
|
750 | r += _css_t % c | |
751 | for l in self.lib: |
|
751 | for l in self.lib: | |
752 | r += _lib_t1 % l |
|
752 | r += _lib_t1 % l | |
753 | r += self.data |
|
753 | r += self.data | |
754 | r += _lib_t2*len(self.lib) |
|
754 | r += _lib_t2*len(self.lib) | |
755 | return r |
|
755 | return r | |
756 |
|
756 | |||
757 | # constants for identifying png/jpeg data |
|
757 | # constants for identifying png/jpeg data | |
758 | _PNG = b'\x89PNG\r\n\x1a\n' |
|
758 | _PNG = b'\x89PNG\r\n\x1a\n' | |
759 | _JPEG = b'\xff\xd8' |
|
759 | _JPEG = b'\xff\xd8' | |
760 |
|
760 | |||
761 | def _pngxy(data): |
|
761 | def _pngxy(data): | |
762 | """read the (width, height) from a PNG header""" |
|
762 | """read the (width, height) from a PNG header""" | |
763 | ihdr = data.index(b'IHDR') |
|
763 | ihdr = data.index(b'IHDR') | |
764 | # next 8 bytes are width/height |
|
764 | # next 8 bytes are width/height | |
765 | return struct.unpack('>ii', data[ihdr+4:ihdr+12]) |
|
765 | return struct.unpack('>ii', data[ihdr+4:ihdr+12]) | |
766 |
|
766 | |||
767 | def _jpegxy(data): |
|
767 | def _jpegxy(data): | |
768 | """read the (width, height) from a JPEG header""" |
|
768 | """read the (width, height) from a JPEG header""" | |
769 | # adapted from http://www.64lines.com/jpeg-width-height |
|
769 | # adapted from http://www.64lines.com/jpeg-width-height | |
770 |
|
770 | |||
771 | idx = 4 |
|
771 | idx = 4 | |
772 | while True: |
|
772 | while True: | |
773 | block_size = struct.unpack('>H', data[idx:idx+2])[0] |
|
773 | block_size = struct.unpack('>H', data[idx:idx+2])[0] | |
774 | idx = idx + block_size |
|
774 | idx = idx + block_size | |
775 | if data[idx:idx+2] == b'\xFF\xC0': |
|
775 | if data[idx:idx+2] == b'\xFF\xC0': | |
776 | # found Start of Frame |
|
776 | # found Start of Frame | |
777 | iSOF = idx |
|
777 | iSOF = idx | |
778 | break |
|
778 | break | |
779 | else: |
|
779 | else: | |
780 | # read another block |
|
780 | # read another block | |
781 | idx += 2 |
|
781 | idx += 2 | |
782 |
|
782 | |||
783 | h, w = struct.unpack('>HH', data[iSOF+5:iSOF+9]) |
|
783 | h, w = struct.unpack('>HH', data[iSOF+5:iSOF+9]) | |
784 | return w, h |
|
784 | return w, h | |
785 |
|
785 | |||
786 | def _gifxy(data): |
|
786 | def _gifxy(data): | |
787 | """read the (width, height) from a GIF header""" |
|
787 | """read the (width, height) from a GIF header""" | |
788 | return struct.unpack('<HH', data[6:10]) |
|
788 | return struct.unpack('<HH', data[6:10]) | |
789 |
|
789 | |||
790 |
|
790 | |||
791 | class Image(DisplayObject): |
|
791 | class Image(DisplayObject): | |
792 |
|
792 | |||
793 | _read_flags = 'rb' |
|
793 | _read_flags = 'rb' | |
794 | _FMT_JPEG = u'jpeg' |
|
794 | _FMT_JPEG = u'jpeg' | |
795 | _FMT_PNG = u'png' |
|
795 | _FMT_PNG = u'png' | |
796 | _FMT_GIF = u'gif' |
|
796 | _FMT_GIF = u'gif' | |
797 | _ACCEPTABLE_EMBEDDINGS = [_FMT_JPEG, _FMT_PNG, _FMT_GIF] |
|
797 | _ACCEPTABLE_EMBEDDINGS = [_FMT_JPEG, _FMT_PNG, _FMT_GIF] | |
798 | _MIMETYPES = { |
|
798 | _MIMETYPES = { | |
799 | _FMT_PNG: 'image/png', |
|
799 | _FMT_PNG: 'image/png', | |
800 | _FMT_JPEG: 'image/jpeg', |
|
800 | _FMT_JPEG: 'image/jpeg', | |
801 | _FMT_GIF: 'image/gif', |
|
801 | _FMT_GIF: 'image/gif', | |
802 | } |
|
802 | } | |
803 |
|
803 | |||
804 | def __init__(self, data=None, url=None, filename=None, format=None, |
|
804 | def __init__( | |
805 | embed=None, width=None, height=None, retina=False, |
|
805 | self, | |
806 | unconfined=False, metadata=None, alt=None): |
|
806 | data=None, | |
|
807 | url=None, | |||
|
808 | filename=None, | |||
|
809 | format=None, | |||
|
810 | embed=None, | |||
|
811 | width=None, | |||
|
812 | height=None, | |||
|
813 | retina=False, | |||
|
814 | unconfined=False, | |||
|
815 | metadata=None, | |||
|
816 | alt=None, | |||
|
817 | ): | |||
807 | """Create a PNG/JPEG/GIF image object given raw data. |
|
818 | """Create a PNG/JPEG/GIF image object given raw data. | |
808 |
|
819 | |||
809 | When this object is returned by an input cell or passed to the |
|
820 | When this object is returned by an input cell or passed to the | |
810 | display function, it will result in the image being displayed |
|
821 | display function, it will result in the image being displayed | |
811 | in the frontend. |
|
822 | in the frontend. | |
812 |
|
823 | |||
813 | Parameters |
|
824 | Parameters | |
814 | ---------- |
|
825 | ---------- | |
815 | data : unicode, str or bytes |
|
826 | data : unicode, str or bytes | |
816 | The raw image data or a URL or filename to load the data from. |
|
827 | The raw image data or a URL or filename to load the data from. | |
817 | This always results in embedded image data. |
|
828 | This always results in embedded image data. | |
818 | url : unicode |
|
829 | url : unicode | |
819 | A URL to download the data from. If you specify `url=`, |
|
830 | A URL to download the data from. If you specify `url=`, | |
820 | the image data will not be embedded unless you also specify `embed=True`. |
|
831 | the image data will not be embedded unless you also specify `embed=True`. | |
821 | filename : unicode |
|
832 | filename : unicode | |
822 | Path to a local file to load the data from. |
|
833 | Path to a local file to load the data from. | |
823 | Images from a file are always embedded. |
|
834 | Images from a file are always embedded. | |
824 | format : unicode |
|
835 | format : unicode | |
825 | The format of the image data (png/jpeg/jpg/gif). If a filename or URL is given |
|
836 | The format of the image data (png/jpeg/jpg/gif). If a filename or URL is given | |
826 | for format will be inferred from the filename extension. |
|
837 | for format will be inferred from the filename extension. | |
827 | embed : bool |
|
838 | embed : bool | |
828 | Should the image data be embedded using a data URI (True) or be |
|
839 | Should the image data be embedded using a data URI (True) or be | |
829 | loaded using an <img> tag. Set this to True if you want the image |
|
840 | loaded using an <img> tag. Set this to True if you want the image | |
830 | to be viewable later with no internet connection in the notebook. |
|
841 | to be viewable later with no internet connection in the notebook. | |
831 |
|
842 | |||
832 | Default is `True`, unless the keyword argument `url` is set, then |
|
843 | Default is `True`, unless the keyword argument `url` is set, then | |
833 | default value is `False`. |
|
844 | default value is `False`. | |
834 |
|
845 | |||
835 | Note that QtConsole is not able to display images if `embed` is set to `False` |
|
846 | Note that QtConsole is not able to display images if `embed` is set to `False` | |
836 | width : int |
|
847 | width : int | |
837 | Width in pixels to which to constrain the image in html |
|
848 | Width in pixels to which to constrain the image in html | |
838 | height : int |
|
849 | height : int | |
839 | Height in pixels to which to constrain the image in html |
|
850 | Height in pixels to which to constrain the image in html | |
840 | retina : bool |
|
851 | retina : bool | |
841 | Automatically set the width and height to half of the measured |
|
852 | Automatically set the width and height to half of the measured | |
842 | width and height. |
|
853 | width and height. | |
843 | This only works for embedded images because it reads the width/height |
|
854 | This only works for embedded images because it reads the width/height | |
844 | from image data. |
|
855 | from image data. | |
845 | For non-embedded images, you can just set the desired display width |
|
856 | For non-embedded images, you can just set the desired display width | |
846 | and height directly. |
|
857 | and height directly. | |
847 | unconfined : bool |
|
858 | unconfined : bool | |
848 | Set unconfined=True to disable max-width confinement of the image. |
|
859 | Set unconfined=True to disable max-width confinement of the image. | |
849 | metadata : dict |
|
860 | metadata : dict | |
850 | Specify extra metadata to attach to the image. |
|
861 | Specify extra metadata to attach to the image. | |
851 | alt : unicode |
|
862 | alt : unicode | |
852 | Alternative text for the image, for use by screen readers. |
|
863 | Alternative text for the image, for use by screen readers. | |
853 |
|
864 | |||
854 | Examples |
|
865 | Examples | |
855 | -------- |
|
866 | -------- | |
856 | embedded image data, works in qtconsole and notebook |
|
867 | embedded image data, works in qtconsole and notebook | |
857 | when passed positionally, the first arg can be any of raw image data, |
|
868 | when passed positionally, the first arg can be any of raw image data, | |
858 | a URL, or a filename from which to load image data. |
|
869 | a URL, or a filename from which to load image data. | |
859 | The result is always embedding image data for inline images. |
|
870 | The result is always embedding image data for inline images. | |
860 |
|
871 | |||
861 | >>> Image('http://www.google.fr/images/srpr/logo3w.png') |
|
872 | >>> Image('http://www.google.fr/images/srpr/logo3w.png') | |
862 | <IPython.core.display.Image object> |
|
873 | <IPython.core.display.Image object> | |
863 |
|
874 | |||
864 | >>> Image('/path/to/image.jpg') |
|
875 | >>> Image('/path/to/image.jpg') | |
865 | <IPython.core.display.Image object> |
|
876 | <IPython.core.display.Image object> | |
866 |
|
877 | |||
867 | >>> Image(b'RAW_PNG_DATA...') |
|
878 | >>> Image(b'RAW_PNG_DATA...') | |
868 | <IPython.core.display.Image object> |
|
879 | <IPython.core.display.Image object> | |
869 |
|
880 | |||
870 | Specifying Image(url=...) does not embed the image data, |
|
881 | Specifying Image(url=...) does not embed the image data, | |
871 | it only generates ``<img>`` tag with a link to the source. |
|
882 | it only generates ``<img>`` tag with a link to the source. | |
872 | This will not work in the qtconsole or offline. |
|
883 | This will not work in the qtconsole or offline. | |
873 |
|
884 | |||
874 | >>> Image(url='http://www.google.fr/images/srpr/logo3w.png') |
|
885 | >>> Image(url='http://www.google.fr/images/srpr/logo3w.png') | |
875 | <IPython.core.display.Image object> |
|
886 | <IPython.core.display.Image object> | |
876 |
|
887 | |||
877 | """ |
|
888 | """ | |
878 | if isinstance(data, (Path, PurePath)): |
|
889 | if isinstance(data, (Path, PurePath)): | |
879 | data = str(data) |
|
890 | data = str(data) | |
880 |
|
891 | |||
881 | if filename is not None: |
|
892 | if filename is not None: | |
882 | ext = self._find_ext(filename) |
|
893 | ext = self._find_ext(filename) | |
883 | elif url is not None: |
|
894 | elif url is not None: | |
884 | ext = self._find_ext(url) |
|
895 | ext = self._find_ext(url) | |
885 | elif data is None: |
|
896 | elif data is None: | |
886 | raise ValueError("No image data found. Expecting filename, url, or data.") |
|
897 | raise ValueError("No image data found. Expecting filename, url, or data.") | |
887 | elif isinstance(data, str) and ( |
|
898 | elif isinstance(data, str) and ( | |
888 | data.startswith('http') or _safe_exists(data) |
|
899 | data.startswith('http') or _safe_exists(data) | |
889 | ): |
|
900 | ): | |
890 | ext = self._find_ext(data) |
|
901 | ext = self._find_ext(data) | |
891 | else: |
|
902 | else: | |
892 | ext = None |
|
903 | ext = None | |
893 |
|
904 | |||
894 | if format is None: |
|
905 | if format is None: | |
895 | if ext is not None: |
|
906 | if ext is not None: | |
896 | if ext == u'jpg' or ext == u'jpeg': |
|
907 | if ext == u'jpg' or ext == u'jpeg': | |
897 | format = self._FMT_JPEG |
|
908 | format = self._FMT_JPEG | |
898 | elif ext == u'png': |
|
909 | elif ext == u'png': | |
899 | format = self._FMT_PNG |
|
910 | format = self._FMT_PNG | |
900 | elif ext == u'gif': |
|
911 | elif ext == u'gif': | |
901 | format = self._FMT_GIF |
|
912 | format = self._FMT_GIF | |
902 | else: |
|
913 | else: | |
903 | format = ext.lower() |
|
914 | format = ext.lower() | |
904 | elif isinstance(data, bytes): |
|
915 | elif isinstance(data, bytes): | |
905 | # infer image type from image data header, |
|
916 | # infer image type from image data header, | |
906 | # only if format has not been specified. |
|
917 | # only if format has not been specified. | |
907 | if data[:2] == _JPEG: |
|
918 | if data[:2] == _JPEG: | |
908 | format = self._FMT_JPEG |
|
919 | format = self._FMT_JPEG | |
909 |
|
920 | |||
910 | # failed to detect format, default png |
|
921 | # failed to detect format, default png | |
911 | if format is None: |
|
922 | if format is None: | |
912 | format = self._FMT_PNG |
|
923 | format = self._FMT_PNG | |
913 |
|
924 | |||
914 | if format.lower() == 'jpg': |
|
925 | if format.lower() == 'jpg': | |
915 | # jpg->jpeg |
|
926 | # jpg->jpeg | |
916 | format = self._FMT_JPEG |
|
927 | format = self._FMT_JPEG | |
917 |
|
928 | |||
918 | self.format = format.lower() |
|
929 | self.format = format.lower() | |
919 | self.embed = embed if embed is not None else (url is None) |
|
930 | self.embed = embed if embed is not None else (url is None) | |
920 |
|
931 | |||
921 | if self.embed and self.format not in self._ACCEPTABLE_EMBEDDINGS: |
|
932 | if self.embed and self.format not in self._ACCEPTABLE_EMBEDDINGS: | |
922 | raise ValueError("Cannot embed the '%s' image format" % (self.format)) |
|
933 | raise ValueError("Cannot embed the '%s' image format" % (self.format)) | |
923 | if self.embed: |
|
934 | if self.embed: | |
924 | self._mimetype = self._MIMETYPES.get(self.format) |
|
935 | self._mimetype = self._MIMETYPES.get(self.format) | |
925 |
|
936 | |||
926 | self.width = width |
|
937 | self.width = width | |
927 | self.height = height |
|
938 | self.height = height | |
928 | self.retina = retina |
|
939 | self.retina = retina | |
929 | self.unconfined = unconfined |
|
940 | self.unconfined = unconfined | |
930 | self.alt = alt |
|
941 | self.alt = alt | |
931 | super(Image, self).__init__(data=data, url=url, filename=filename, |
|
942 | super(Image, self).__init__(data=data, url=url, filename=filename, | |
932 | metadata=metadata) |
|
943 | metadata=metadata) | |
933 |
|
944 | |||
934 | if self.width is None and self.metadata.get('width', {}): |
|
945 | if self.width is None and self.metadata.get('width', {}): | |
935 | self.width = metadata['width'] |
|
946 | self.width = metadata['width'] | |
936 |
|
947 | |||
937 | if self.height is None and self.metadata.get('height', {}): |
|
948 | if self.height is None and self.metadata.get('height', {}): | |
938 | self.height = metadata['height'] |
|
949 | self.height = metadata['height'] | |
939 |
|
950 | |||
940 |
if self.alt is None and self.metadata.get( |
|
951 | if self.alt is None and self.metadata.get("alt", {}): | |
941 |
self.alt = metadata[ |
|
952 | self.alt = metadata["alt"] | |
942 |
|
953 | |||
943 | if retina: |
|
954 | if retina: | |
944 | self._retina_shape() |
|
955 | self._retina_shape() | |
945 |
|
956 | |||
946 |
|
957 | |||
947 | def _retina_shape(self): |
|
958 | def _retina_shape(self): | |
948 | """load pixel-doubled width and height from image data""" |
|
959 | """load pixel-doubled width and height from image data""" | |
949 | if not self.embed: |
|
960 | if not self.embed: | |
950 | return |
|
961 | return | |
951 | if self.format == self._FMT_PNG: |
|
962 | if self.format == self._FMT_PNG: | |
952 | w, h = _pngxy(self.data) |
|
963 | w, h = _pngxy(self.data) | |
953 | elif self.format == self._FMT_JPEG: |
|
964 | elif self.format == self._FMT_JPEG: | |
954 | w, h = _jpegxy(self.data) |
|
965 | w, h = _jpegxy(self.data) | |
955 | elif self.format == self._FMT_GIF: |
|
966 | elif self.format == self._FMT_GIF: | |
956 | w, h = _gifxy(self.data) |
|
967 | w, h = _gifxy(self.data) | |
957 | else: |
|
968 | else: | |
958 | # retina only supports png |
|
969 | # retina only supports png | |
959 | return |
|
970 | return | |
960 | self.width = w // 2 |
|
971 | self.width = w // 2 | |
961 | self.height = h // 2 |
|
972 | self.height = h // 2 | |
962 |
|
973 | |||
963 | def reload(self): |
|
974 | def reload(self): | |
964 | """Reload the raw data from file or URL.""" |
|
975 | """Reload the raw data from file or URL.""" | |
965 | if self.embed: |
|
976 | if self.embed: | |
966 | super(Image,self).reload() |
|
977 | super(Image,self).reload() | |
967 | if self.retina: |
|
978 | if self.retina: | |
968 | self._retina_shape() |
|
979 | self._retina_shape() | |
969 |
|
980 | |||
970 | def _repr_html_(self): |
|
981 | def _repr_html_(self): | |
971 | if not self.embed: |
|
982 | if not self.embed: | |
972 |
width = height = klass = alt = |
|
983 | width = height = klass = alt = "" | |
973 | if self.width: |
|
984 | if self.width: | |
974 | width = ' width="%d"' % self.width |
|
985 | width = ' width="%d"' % self.width | |
975 | if self.height: |
|
986 | if self.height: | |
976 | height = ' height="%d"' % self.height |
|
987 | height = ' height="%d"' % self.height | |
977 | if self.unconfined: |
|
988 | if self.unconfined: | |
978 | klass = ' class="unconfined"' |
|
989 | klass = ' class="unconfined"' | |
979 | if self.alt: |
|
990 | if self.alt: | |
980 | alt = ' alt="%s"' % html.escape(self.alt) |
|
991 | alt = ' alt="%s"' % html.escape(self.alt) | |
981 |
return |
|
992 | return '<img src="{url}"{width}{height}{klass}{alt}/>'.format( | |
982 | url=self.url, |
|
993 | url=self.url, | |
983 | width=width, |
|
994 | width=width, | |
984 | height=height, |
|
995 | height=height, | |
985 | klass=klass, |
|
996 | klass=klass, | |
986 | alt=alt, |
|
997 | alt=alt, | |
987 | ) |
|
998 | ) | |
988 |
|
999 | |||
989 | def _repr_mimebundle_(self, include=None, exclude=None): |
|
1000 | def _repr_mimebundle_(self, include=None, exclude=None): | |
990 | """Return the image as a mimebundle |
|
1001 | """Return the image as a mimebundle | |
991 |
|
1002 | |||
992 | Any new mimetype support should be implemented here. |
|
1003 | Any new mimetype support should be implemented here. | |
993 | """ |
|
1004 | """ | |
994 | if self.embed: |
|
1005 | if self.embed: | |
995 | mimetype = self._mimetype |
|
1006 | mimetype = self._mimetype | |
996 | data, metadata = self._data_and_metadata(always_both=True) |
|
1007 | data, metadata = self._data_and_metadata(always_both=True) | |
997 | if metadata: |
|
1008 | if metadata: | |
998 | metadata = {mimetype: metadata} |
|
1009 | metadata = {mimetype: metadata} | |
999 | return {mimetype: data}, metadata |
|
1010 | return {mimetype: data}, metadata | |
1000 | else: |
|
1011 | else: | |
1001 | return {'text/html': self._repr_html_()} |
|
1012 | return {'text/html': self._repr_html_()} | |
1002 |
|
1013 | |||
1003 | def _data_and_metadata(self, always_both=False): |
|
1014 | def _data_and_metadata(self, always_both=False): | |
1004 | """shortcut for returning metadata with shape information, if defined""" |
|
1015 | """shortcut for returning metadata with shape information, if defined""" | |
1005 | try: |
|
1016 | try: | |
1006 | b64_data = b2a_base64(self.data).decode('ascii') |
|
1017 | b64_data = b2a_base64(self.data).decode('ascii') | |
1007 | except TypeError as e: |
|
1018 | except TypeError as e: | |
1008 | raise FileNotFoundError( |
|
1019 | raise FileNotFoundError( | |
1009 | "No such file or directory: '%s'" % (self.data)) from e |
|
1020 | "No such file or directory: '%s'" % (self.data)) from e | |
1010 | md = {} |
|
1021 | md = {} | |
1011 | if self.metadata: |
|
1022 | if self.metadata: | |
1012 | md.update(self.metadata) |
|
1023 | md.update(self.metadata) | |
1013 | if self.width: |
|
1024 | if self.width: | |
1014 | md['width'] = self.width |
|
1025 | md['width'] = self.width | |
1015 | if self.height: |
|
1026 | if self.height: | |
1016 | md['height'] = self.height |
|
1027 | md['height'] = self.height | |
1017 | if self.unconfined: |
|
1028 | if self.unconfined: | |
1018 | md['unconfined'] = self.unconfined |
|
1029 | md['unconfined'] = self.unconfined | |
1019 | if self.alt: |
|
1030 | if self.alt: | |
1020 |
md[ |
|
1031 | md["alt"] = self.alt | |
1021 | if md or always_both: |
|
1032 | if md or always_both: | |
1022 | return b64_data, md |
|
1033 | return b64_data, md | |
1023 | else: |
|
1034 | else: | |
1024 | return b64_data |
|
1035 | return b64_data | |
1025 |
|
1036 | |||
1026 | def _repr_png_(self): |
|
1037 | def _repr_png_(self): | |
1027 | if self.embed and self.format == self._FMT_PNG: |
|
1038 | if self.embed and self.format == self._FMT_PNG: | |
1028 | return self._data_and_metadata() |
|
1039 | return self._data_and_metadata() | |
1029 |
|
1040 | |||
1030 | def _repr_jpeg_(self): |
|
1041 | def _repr_jpeg_(self): | |
1031 | if self.embed and self.format == self._FMT_JPEG: |
|
1042 | if self.embed and self.format == self._FMT_JPEG: | |
1032 | return self._data_and_metadata() |
|
1043 | return self._data_and_metadata() | |
1033 |
|
1044 | |||
1034 | def _find_ext(self, s): |
|
1045 | def _find_ext(self, s): | |
1035 | base, ext = splitext(s) |
|
1046 | base, ext = splitext(s) | |
1036 |
|
1047 | |||
1037 | if not ext: |
|
1048 | if not ext: | |
1038 | return base |
|
1049 | return base | |
1039 |
|
1050 | |||
1040 | # `splitext` includes leading period, so we skip it |
|
1051 | # `splitext` includes leading period, so we skip it | |
1041 | return ext[1:].lower() |
|
1052 | return ext[1:].lower() | |
1042 |
|
1053 | |||
1043 |
|
1054 | |||
1044 | class Video(DisplayObject): |
|
1055 | class Video(DisplayObject): | |
1045 |
|
1056 | |||
1046 | def __init__(self, data=None, url=None, filename=None, embed=False, |
|
1057 | def __init__(self, data=None, url=None, filename=None, embed=False, | |
1047 | mimetype=None, width=None, height=None, html_attributes="controls"): |
|
1058 | mimetype=None, width=None, height=None, html_attributes="controls"): | |
1048 | """Create a video object given raw data or an URL. |
|
1059 | """Create a video object given raw data or an URL. | |
1049 |
|
1060 | |||
1050 | When this object is returned by an input cell or passed to the |
|
1061 | When this object is returned by an input cell or passed to the | |
1051 | display function, it will result in the video being displayed |
|
1062 | display function, it will result in the video being displayed | |
1052 | in the frontend. |
|
1063 | in the frontend. | |
1053 |
|
1064 | |||
1054 | Parameters |
|
1065 | Parameters | |
1055 | ---------- |
|
1066 | ---------- | |
1056 | data : unicode, str or bytes |
|
1067 | data : unicode, str or bytes | |
1057 | The raw video data or a URL or filename to load the data from. |
|
1068 | The raw video data or a URL or filename to load the data from. | |
1058 | Raw data will require passing ``embed=True``. |
|
1069 | Raw data will require passing ``embed=True``. | |
1059 | url : unicode |
|
1070 | url : unicode | |
1060 | A URL for the video. If you specify ``url=``, |
|
1071 | A URL for the video. If you specify ``url=``, | |
1061 | the image data will not be embedded. |
|
1072 | the image data will not be embedded. | |
1062 | filename : unicode |
|
1073 | filename : unicode | |
1063 | Path to a local file containing the video. |
|
1074 | Path to a local file containing the video. | |
1064 | Will be interpreted as a local URL unless ``embed=True``. |
|
1075 | Will be interpreted as a local URL unless ``embed=True``. | |
1065 | embed : bool |
|
1076 | embed : bool | |
1066 | Should the video be embedded using a data URI (True) or be |
|
1077 | Should the video be embedded using a data URI (True) or be | |
1067 | loaded using a <video> tag (False). |
|
1078 | loaded using a <video> tag (False). | |
1068 |
|
1079 | |||
1069 | Since videos are large, embedding them should be avoided, if possible. |
|
1080 | Since videos are large, embedding them should be avoided, if possible. | |
1070 | You must confirm embedding as your intention by passing ``embed=True``. |
|
1081 | You must confirm embedding as your intention by passing ``embed=True``. | |
1071 |
|
1082 | |||
1072 | Local files can be displayed with URLs without embedding the content, via:: |
|
1083 | Local files can be displayed with URLs without embedding the content, via:: | |
1073 |
|
1084 | |||
1074 | Video('./video.mp4') |
|
1085 | Video('./video.mp4') | |
1075 | mimetype : unicode |
|
1086 | mimetype : unicode | |
1076 | Specify the mimetype for embedded videos. |
|
1087 | Specify the mimetype for embedded videos. | |
1077 | Default will be guessed from file extension, if available. |
|
1088 | Default will be guessed from file extension, if available. | |
1078 | width : int |
|
1089 | width : int | |
1079 | Width in pixels to which to constrain the video in HTML. |
|
1090 | Width in pixels to which to constrain the video in HTML. | |
1080 | If not supplied, defaults to the width of the video. |
|
1091 | If not supplied, defaults to the width of the video. | |
1081 | height : int |
|
1092 | height : int | |
1082 | Height in pixels to which to constrain the video in html. |
|
1093 | Height in pixels to which to constrain the video in html. | |
1083 | If not supplied, defaults to the height of the video. |
|
1094 | If not supplied, defaults to the height of the video. | |
1084 | html_attributes : str |
|
1095 | html_attributes : str | |
1085 | Attributes for the HTML ``<video>`` block. |
|
1096 | Attributes for the HTML ``<video>`` block. | |
1086 | Default: ``"controls"`` to get video controls. |
|
1097 | Default: ``"controls"`` to get video controls. | |
1087 | Other examples: ``"controls muted"`` for muted video with controls, |
|
1098 | Other examples: ``"controls muted"`` for muted video with controls, | |
1088 | ``"loop autoplay"`` for looping autoplaying video without controls. |
|
1099 | ``"loop autoplay"`` for looping autoplaying video without controls. | |
1089 |
|
1100 | |||
1090 | Examples |
|
1101 | Examples | |
1091 | -------- |
|
1102 | -------- | |
1092 | :: |
|
1103 | :: | |
1093 |
|
1104 | |||
1094 | Video('https://archive.org/download/Sita_Sings_the_Blues/Sita_Sings_the_Blues_small.mp4') |
|
1105 | Video('https://archive.org/download/Sita_Sings_the_Blues/Sita_Sings_the_Blues_small.mp4') | |
1095 | Video('path/to/video.mp4') |
|
1106 | Video('path/to/video.mp4') | |
1096 | Video('path/to/video.mp4', embed=True) |
|
1107 | Video('path/to/video.mp4', embed=True) | |
1097 | Video('path/to/video.mp4', embed=True, html_attributes="controls muted autoplay") |
|
1108 | Video('path/to/video.mp4', embed=True, html_attributes="controls muted autoplay") | |
1098 | Video(b'raw-videodata', embed=True) |
|
1109 | Video(b'raw-videodata', embed=True) | |
1099 | """ |
|
1110 | """ | |
1100 | if isinstance(data, (Path, PurePath)): |
|
1111 | if isinstance(data, (Path, PurePath)): | |
1101 | data = str(data) |
|
1112 | data = str(data) | |
1102 |
|
1113 | |||
1103 | if url is None and isinstance(data, str) and data.startswith(('http:', 'https:')): |
|
1114 | if url is None and isinstance(data, str) and data.startswith(('http:', 'https:')): | |
1104 | url = data |
|
1115 | url = data | |
1105 | data = None |
|
1116 | data = None | |
1106 | elif data is not None and os.path.exists(data): |
|
1117 | elif data is not None and os.path.exists(data): | |
1107 | filename = data |
|
1118 | filename = data | |
1108 | data = None |
|
1119 | data = None | |
1109 |
|
1120 | |||
1110 | if data and not embed: |
|
1121 | if data and not embed: | |
1111 | msg = ''.join([ |
|
1122 | msg = ''.join([ | |
1112 | "To embed videos, you must pass embed=True ", |
|
1123 | "To embed videos, you must pass embed=True ", | |
1113 | "(this may make your notebook files huge)\n", |
|
1124 | "(this may make your notebook files huge)\n", | |
1114 | "Consider passing Video(url='...')", |
|
1125 | "Consider passing Video(url='...')", | |
1115 | ]) |
|
1126 | ]) | |
1116 | raise ValueError(msg) |
|
1127 | raise ValueError(msg) | |
1117 |
|
1128 | |||
1118 | self.mimetype = mimetype |
|
1129 | self.mimetype = mimetype | |
1119 | self.embed = embed |
|
1130 | self.embed = embed | |
1120 | self.width = width |
|
1131 | self.width = width | |
1121 | self.height = height |
|
1132 | self.height = height | |
1122 | self.html_attributes = html_attributes |
|
1133 | self.html_attributes = html_attributes | |
1123 | super(Video, self).__init__(data=data, url=url, filename=filename) |
|
1134 | super(Video, self).__init__(data=data, url=url, filename=filename) | |
1124 |
|
1135 | |||
1125 | def _repr_html_(self): |
|
1136 | def _repr_html_(self): | |
1126 | width = height = '' |
|
1137 | width = height = '' | |
1127 | if self.width: |
|
1138 | if self.width: | |
1128 | width = ' width="%d"' % self.width |
|
1139 | width = ' width="%d"' % self.width | |
1129 | if self.height: |
|
1140 | if self.height: | |
1130 | height = ' height="%d"' % self.height |
|
1141 | height = ' height="%d"' % self.height | |
1131 |
|
1142 | |||
1132 | # External URLs and potentially local files are not embedded into the |
|
1143 | # External URLs and potentially local files are not embedded into the | |
1133 | # notebook output. |
|
1144 | # notebook output. | |
1134 | if not self.embed: |
|
1145 | if not self.embed: | |
1135 | url = self.url if self.url is not None else self.filename |
|
1146 | url = self.url if self.url is not None else self.filename | |
1136 | output = """<video src="{0}" {1} {2} {3}> |
|
1147 | output = """<video src="{0}" {1} {2} {3}> | |
1137 | Your browser does not support the <code>video</code> element. |
|
1148 | Your browser does not support the <code>video</code> element. | |
1138 | </video>""".format(url, self.html_attributes, width, height) |
|
1149 | </video>""".format(url, self.html_attributes, width, height) | |
1139 | return output |
|
1150 | return output | |
1140 |
|
1151 | |||
1141 | # Embedded videos are base64-encoded. |
|
1152 | # Embedded videos are base64-encoded. | |
1142 | mimetype = self.mimetype |
|
1153 | mimetype = self.mimetype | |
1143 | if self.filename is not None: |
|
1154 | if self.filename is not None: | |
1144 | if not mimetype: |
|
1155 | if not mimetype: | |
1145 | mimetype, _ = mimetypes.guess_type(self.filename) |
|
1156 | mimetype, _ = mimetypes.guess_type(self.filename) | |
1146 |
|
1157 | |||
1147 | with open(self.filename, 'rb') as f: |
|
1158 | with open(self.filename, 'rb') as f: | |
1148 | video = f.read() |
|
1159 | video = f.read() | |
1149 | else: |
|
1160 | else: | |
1150 | video = self.data |
|
1161 | video = self.data | |
1151 | if isinstance(video, str): |
|
1162 | if isinstance(video, str): | |
1152 | # unicode input is already b64-encoded |
|
1163 | # unicode input is already b64-encoded | |
1153 | b64_video = video |
|
1164 | b64_video = video | |
1154 | else: |
|
1165 | else: | |
1155 | b64_video = b2a_base64(video).decode('ascii').rstrip() |
|
1166 | b64_video = b2a_base64(video).decode('ascii').rstrip() | |
1156 |
|
1167 | |||
1157 | output = """<video {0} {1} {2}> |
|
1168 | output = """<video {0} {1} {2}> | |
1158 | <source src="data:{3};base64,{4}" type="{3}"> |
|
1169 | <source src="data:{3};base64,{4}" type="{3}"> | |
1159 | Your browser does not support the video tag. |
|
1170 | Your browser does not support the video tag. | |
1160 | </video>""".format(self.html_attributes, width, height, mimetype, b64_video) |
|
1171 | </video>""".format(self.html_attributes, width, height, mimetype, b64_video) | |
1161 | return output |
|
1172 | return output | |
1162 |
|
1173 | |||
1163 | def reload(self): |
|
1174 | def reload(self): | |
1164 | # TODO |
|
1175 | # TODO | |
1165 | pass |
|
1176 | pass | |
1166 |
|
1177 | |||
1167 |
|
1178 | |||
1168 | @skip_doctest |
|
1179 | @skip_doctest | |
1169 | def set_matplotlib_formats(*formats, **kwargs): |
|
1180 | def set_matplotlib_formats(*formats, **kwargs): | |
1170 | """Select figure formats for the inline backend. Optionally pass quality for JPEG. |
|
1181 | """Select figure formats for the inline backend. Optionally pass quality for JPEG. | |
1171 |
|
1182 | |||
1172 | For example, this enables PNG and JPEG output with a JPEG quality of 90%:: |
|
1183 | For example, this enables PNG and JPEG output with a JPEG quality of 90%:: | |
1173 |
|
1184 | |||
1174 | In [1]: set_matplotlib_formats('png', 'jpeg', quality=90) |
|
1185 | In [1]: set_matplotlib_formats('png', 'jpeg', quality=90) | |
1175 |
|
1186 | |||
1176 | To set this in your config files use the following:: |
|
1187 | To set this in your config files use the following:: | |
1177 |
|
1188 | |||
1178 | c.InlineBackend.figure_formats = {'png', 'jpeg'} |
|
1189 | c.InlineBackend.figure_formats = {'png', 'jpeg'} | |
1179 | c.InlineBackend.print_figure_kwargs.update({'quality' : 90}) |
|
1190 | c.InlineBackend.print_figure_kwargs.update({'quality' : 90}) | |
1180 |
|
1191 | |||
1181 | Parameters |
|
1192 | Parameters | |
1182 | ---------- |
|
1193 | ---------- | |
1183 | *formats : strs |
|
1194 | *formats : strs | |
1184 | One or more figure formats to enable: 'png', 'retina', 'jpeg', 'svg', 'pdf'. |
|
1195 | One or more figure formats to enable: 'png', 'retina', 'jpeg', 'svg', 'pdf'. | |
1185 | **kwargs |
|
1196 | **kwargs | |
1186 | Keyword args will be relayed to ``figure.canvas.print_figure``. |
|
1197 | Keyword args will be relayed to ``figure.canvas.print_figure``. | |
1187 | """ |
|
1198 | """ | |
1188 | from IPython.core.interactiveshell import InteractiveShell |
|
1199 | from IPython.core.interactiveshell import InteractiveShell | |
1189 | from IPython.core.pylabtools import select_figure_formats |
|
1200 | from IPython.core.pylabtools import select_figure_formats | |
1190 | # build kwargs, starting with InlineBackend config |
|
1201 | # build kwargs, starting with InlineBackend config | |
1191 | kw = {} |
|
1202 | kw = {} | |
1192 | from ipykernel.pylab.config import InlineBackend |
|
1203 | from ipykernel.pylab.config import InlineBackend | |
1193 | cfg = InlineBackend.instance() |
|
1204 | cfg = InlineBackend.instance() | |
1194 | kw.update(cfg.print_figure_kwargs) |
|
1205 | kw.update(cfg.print_figure_kwargs) | |
1195 | kw.update(**kwargs) |
|
1206 | kw.update(**kwargs) | |
1196 | shell = InteractiveShell.instance() |
|
1207 | shell = InteractiveShell.instance() | |
1197 | select_figure_formats(shell, formats, **kw) |
|
1208 | select_figure_formats(shell, formats, **kw) | |
1198 |
|
1209 | |||
1199 | @skip_doctest |
|
1210 | @skip_doctest | |
1200 | def set_matplotlib_close(close=True): |
|
1211 | def set_matplotlib_close(close=True): | |
1201 | """Set whether the inline backend closes all figures automatically or not. |
|
1212 | """Set whether the inline backend closes all figures automatically or not. | |
1202 |
|
1213 | |||
1203 | By default, the inline backend used in the IPython Notebook will close all |
|
1214 | By default, the inline backend used in the IPython Notebook will close all | |
1204 | matplotlib figures automatically after each cell is run. This means that |
|
1215 | matplotlib figures automatically after each cell is run. This means that | |
1205 | plots in different cells won't interfere. Sometimes, you may want to make |
|
1216 | plots in different cells won't interfere. Sometimes, you may want to make | |
1206 | a plot in one cell and then refine it in later cells. This can be accomplished |
|
1217 | a plot in one cell and then refine it in later cells. This can be accomplished | |
1207 | by:: |
|
1218 | by:: | |
1208 |
|
1219 | |||
1209 | In [1]: set_matplotlib_close(False) |
|
1220 | In [1]: set_matplotlib_close(False) | |
1210 |
|
1221 | |||
1211 | To set this in your config files use the following:: |
|
1222 | To set this in your config files use the following:: | |
1212 |
|
1223 | |||
1213 | c.InlineBackend.close_figures = False |
|
1224 | c.InlineBackend.close_figures = False | |
1214 |
|
1225 | |||
1215 | Parameters |
|
1226 | Parameters | |
1216 | ---------- |
|
1227 | ---------- | |
1217 | close : bool |
|
1228 | close : bool | |
1218 | Should all matplotlib figures be automatically closed after each cell is |
|
1229 | Should all matplotlib figures be automatically closed after each cell is | |
1219 | run? |
|
1230 | run? | |
1220 | """ |
|
1231 | """ | |
1221 | from ipykernel.pylab.config import InlineBackend |
|
1232 | from ipykernel.pylab.config import InlineBackend | |
1222 | cfg = InlineBackend.instance() |
|
1233 | cfg = InlineBackend.instance() | |
1223 | cfg.close_figures = close |
|
1234 | cfg.close_figures = close |
@@ -1,477 +1,482 b'' | |||||
1 | # Copyright (c) IPython Development Team. |
|
1 | # Copyright (c) IPython Development Team. | |
2 | # Distributed under the terms of the Modified BSD License. |
|
2 | # Distributed under the terms of the Modified BSD License. | |
3 |
|
3 | |||
4 | import json |
|
4 | import json | |
5 | import os |
|
5 | import os | |
6 | import warnings |
|
6 | import warnings | |
7 |
|
7 | |||
8 | from unittest import mock |
|
8 | from unittest import mock | |
9 |
|
9 | |||
10 | import nose.tools as nt |
|
10 | import nose.tools as nt | |
11 |
|
11 | |||
12 | from IPython import display |
|
12 | from IPython import display | |
13 | from IPython.core.getipython import get_ipython |
|
13 | from IPython.core.getipython import get_ipython | |
14 | from IPython.utils.io import capture_output |
|
14 | from IPython.utils.io import capture_output | |
15 | from IPython.utils.tempdir import NamedFileInTemporaryDirectory |
|
15 | from IPython.utils.tempdir import NamedFileInTemporaryDirectory | |
16 | from IPython import paths as ipath |
|
16 | from IPython import paths as ipath | |
17 | from IPython.testing.tools import AssertNotPrints |
|
17 | from IPython.testing.tools import AssertNotPrints | |
18 |
|
18 | |||
19 | import IPython.testing.decorators as dec |
|
19 | import IPython.testing.decorators as dec | |
20 |
|
20 | |||
21 | def test_image_size(): |
|
21 | def test_image_size(): | |
22 | """Simple test for display.Image(args, width=x,height=y)""" |
|
22 | """Simple test for display.Image(args, width=x,height=y)""" | |
23 | thisurl = 'http://www.google.fr/images/srpr/logo3w.png' |
|
23 | thisurl = 'http://www.google.fr/images/srpr/logo3w.png' | |
24 | img = display.Image(url=thisurl, width=200, height=200) |
|
24 | img = display.Image(url=thisurl, width=200, height=200) | |
25 | nt.assert_equal(u'<img src="%s" width="200" height="200"/>' % (thisurl), img._repr_html_()) |
|
25 | nt.assert_equal(u'<img src="%s" width="200" height="200"/>' % (thisurl), img._repr_html_()) | |
26 | img = display.Image(url=thisurl, metadata={'width':200, 'height':200}) |
|
26 | img = display.Image(url=thisurl, metadata={'width':200, 'height':200}) | |
27 | nt.assert_equal(u'<img src="%s" width="200" height="200"/>' % (thisurl), img._repr_html_()) |
|
27 | nt.assert_equal(u'<img src="%s" width="200" height="200"/>' % (thisurl), img._repr_html_()) | |
28 | img = display.Image(url=thisurl, width=200) |
|
28 | img = display.Image(url=thisurl, width=200) | |
29 | nt.assert_equal(u'<img src="%s" width="200"/>' % (thisurl), img._repr_html_()) |
|
29 | nt.assert_equal(u'<img src="%s" width="200"/>' % (thisurl), img._repr_html_()) | |
30 | img = display.Image(url=thisurl) |
|
30 | img = display.Image(url=thisurl) | |
31 | nt.assert_equal(u'<img src="%s"/>' % (thisurl), img._repr_html_()) |
|
31 | nt.assert_equal(u'<img src="%s"/>' % (thisurl), img._repr_html_()) | |
32 | img = display.Image(url=thisurl, unconfined=True) |
|
32 | img = display.Image(url=thisurl, unconfined=True) | |
33 | nt.assert_equal(u'<img src="%s" class="unconfined"/>' % (thisurl), img._repr_html_()) |
|
33 | nt.assert_equal(u'<img src="%s" class="unconfined"/>' % (thisurl), img._repr_html_()) | |
34 |
|
34 | |||
35 |
|
35 | |||
36 | def test_image_mimes(): |
|
36 | def test_image_mimes(): | |
37 | fmt = get_ipython().display_formatter.format |
|
37 | fmt = get_ipython().display_formatter.format | |
38 | for format in display.Image._ACCEPTABLE_EMBEDDINGS: |
|
38 | for format in display.Image._ACCEPTABLE_EMBEDDINGS: | |
39 | mime = display.Image._MIMETYPES[format] |
|
39 | mime = display.Image._MIMETYPES[format] | |
40 | img = display.Image(b'garbage', format=format) |
|
40 | img = display.Image(b'garbage', format=format) | |
41 | data, metadata = fmt(img) |
|
41 | data, metadata = fmt(img) | |
42 | nt.assert_equal(sorted(data), sorted([mime, 'text/plain'])) |
|
42 | nt.assert_equal(sorted(data), sorted([mime, 'text/plain'])) | |
43 |
|
43 | |||
44 |
|
44 | |||
45 | def test_geojson(): |
|
45 | def test_geojson(): | |
46 |
|
46 | |||
47 | gj = display.GeoJSON(data={ |
|
47 | gj = display.GeoJSON(data={ | |
48 | "type": "Feature", |
|
48 | "type": "Feature", | |
49 | "geometry": { |
|
49 | "geometry": { | |
50 | "type": "Point", |
|
50 | "type": "Point", | |
51 | "coordinates": [-81.327, 296.038] |
|
51 | "coordinates": [-81.327, 296.038] | |
52 | }, |
|
52 | }, | |
53 | "properties": { |
|
53 | "properties": { | |
54 | "name": "Inca City" |
|
54 | "name": "Inca City" | |
55 | } |
|
55 | } | |
56 | }, |
|
56 | }, | |
57 | url_template="http://s3-eu-west-1.amazonaws.com/whereonmars.cartodb.net/{basemap_id}/{z}/{x}/{y}.png", |
|
57 | url_template="http://s3-eu-west-1.amazonaws.com/whereonmars.cartodb.net/{basemap_id}/{z}/{x}/{y}.png", | |
58 | layer_options={ |
|
58 | layer_options={ | |
59 | "basemap_id": "celestia_mars-shaded-16k_global", |
|
59 | "basemap_id": "celestia_mars-shaded-16k_global", | |
60 | "attribution": "Celestia/praesepe", |
|
60 | "attribution": "Celestia/praesepe", | |
61 | "minZoom": 0, |
|
61 | "minZoom": 0, | |
62 | "maxZoom": 18, |
|
62 | "maxZoom": 18, | |
63 | }) |
|
63 | }) | |
64 | nt.assert_equal(u'<IPython.core.display.GeoJSON object>', str(gj)) |
|
64 | nt.assert_equal(u'<IPython.core.display.GeoJSON object>', str(gj)) | |
65 |
|
65 | |||
66 | def test_retina_png(): |
|
66 | def test_retina_png(): | |
67 | here = os.path.dirname(__file__) |
|
67 | here = os.path.dirname(__file__) | |
68 | img = display.Image(os.path.join(here, "2x2.png"), retina=True) |
|
68 | img = display.Image(os.path.join(here, "2x2.png"), retina=True) | |
69 | nt.assert_equal(img.height, 1) |
|
69 | nt.assert_equal(img.height, 1) | |
70 | nt.assert_equal(img.width, 1) |
|
70 | nt.assert_equal(img.width, 1) | |
71 | data, md = img._repr_png_() |
|
71 | data, md = img._repr_png_() | |
72 | nt.assert_equal(md['width'], 1) |
|
72 | nt.assert_equal(md['width'], 1) | |
73 | nt.assert_equal(md['height'], 1) |
|
73 | nt.assert_equal(md['height'], 1) | |
74 |
|
74 | |||
75 | def test_embed_svg_url(): |
|
75 | def test_embed_svg_url(): | |
76 | import gzip |
|
76 | import gzip | |
77 | from io import BytesIO |
|
77 | from io import BytesIO | |
78 | svg_data = b'<svg><circle x="0" y="0" r="1"/></svg>' |
|
78 | svg_data = b'<svg><circle x="0" y="0" r="1"/></svg>' | |
79 | url = 'http://test.com/circle.svg' |
|
79 | url = 'http://test.com/circle.svg' | |
80 |
|
80 | |||
81 | gzip_svg = BytesIO() |
|
81 | gzip_svg = BytesIO() | |
82 | with gzip.open(gzip_svg, 'wb') as fp: |
|
82 | with gzip.open(gzip_svg, 'wb') as fp: | |
83 | fp.write(svg_data) |
|
83 | fp.write(svg_data) | |
84 | gzip_svg = gzip_svg.getvalue() |
|
84 | gzip_svg = gzip_svg.getvalue() | |
85 |
|
85 | |||
86 | def mocked_urlopen(*args, **kwargs): |
|
86 | def mocked_urlopen(*args, **kwargs): | |
87 | class MockResponse: |
|
87 | class MockResponse: | |
88 | def __init__(self, svg): |
|
88 | def __init__(self, svg): | |
89 | self._svg_data = svg |
|
89 | self._svg_data = svg | |
90 | self.headers = {'content-type': 'image/svg+xml'} |
|
90 | self.headers = {'content-type': 'image/svg+xml'} | |
91 |
|
91 | |||
92 | def read(self): |
|
92 | def read(self): | |
93 | return self._svg_data |
|
93 | return self._svg_data | |
94 |
|
94 | |||
95 | if args[0] == url: |
|
95 | if args[0] == url: | |
96 | return MockResponse(svg_data) |
|
96 | return MockResponse(svg_data) | |
97 |
elif args[0] == url + |
|
97 | elif args[0] == url + "z": | |
98 | ret= MockResponse(gzip_svg) |
|
98 | ret = MockResponse(gzip_svg) | |
99 |
ret.headers[ |
|
99 | ret.headers["content-encoding"] = "gzip" | |
100 | return ret |
|
100 | return ret | |
101 | return MockResponse(None) |
|
101 | return MockResponse(None) | |
102 |
|
102 | |||
103 | with mock.patch('urllib.request.urlopen', side_effect=mocked_urlopen): |
|
103 | with mock.patch('urllib.request.urlopen', side_effect=mocked_urlopen): | |
104 | svg = display.SVG(url=url) |
|
104 | svg = display.SVG(url=url) | |
105 | nt.assert_true(svg._repr_svg_().startswith('<svg')) |
|
105 | nt.assert_true(svg._repr_svg_().startswith('<svg')) | |
106 | svg = display.SVG(url=url + 'z') |
|
106 | svg = display.SVG(url=url + 'z') | |
107 | nt.assert_true(svg._repr_svg_().startswith('<svg')) |
|
107 | nt.assert_true(svg._repr_svg_().startswith('<svg')) | |
108 |
|
108 | |||
109 | def test_retina_jpeg(): |
|
109 | def test_retina_jpeg(): | |
110 | here = os.path.dirname(__file__) |
|
110 | here = os.path.dirname(__file__) | |
111 | img = display.Image(os.path.join(here, "2x2.jpg"), retina=True) |
|
111 | img = display.Image(os.path.join(here, "2x2.jpg"), retina=True) | |
112 | nt.assert_equal(img.height, 1) |
|
112 | nt.assert_equal(img.height, 1) | |
113 | nt.assert_equal(img.width, 1) |
|
113 | nt.assert_equal(img.width, 1) | |
114 | data, md = img._repr_jpeg_() |
|
114 | data, md = img._repr_jpeg_() | |
115 | nt.assert_equal(md['width'], 1) |
|
115 | nt.assert_equal(md['width'], 1) | |
116 | nt.assert_equal(md['height'], 1) |
|
116 | nt.assert_equal(md['height'], 1) | |
117 |
|
117 | |||
118 | def test_base64image(): |
|
118 | def test_base64image(): | |
119 | display.Image("iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAACnej3aAAAAAWJLR0QAiAUdSAAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB94BCRQnOqNu0b4AAAAKSURBVAjXY2AAAAACAAHiIbwzAAAAAElFTkSuQmCC") |
|
119 | display.Image("iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAACnej3aAAAAAWJLR0QAiAUdSAAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB94BCRQnOqNu0b4AAAAKSURBVAjXY2AAAAACAAHiIbwzAAAAAElFTkSuQmCC") | |
120 |
|
120 | |||
121 | def test_image_filename_defaults(): |
|
121 | def test_image_filename_defaults(): | |
122 | '''test format constraint, and validity of jpeg and png''' |
|
122 | '''test format constraint, and validity of jpeg and png''' | |
123 | tpath = ipath.get_ipython_package_dir() |
|
123 | tpath = ipath.get_ipython_package_dir() | |
124 | nt.assert_raises(ValueError, display.Image, filename=os.path.join(tpath, 'testing/tests/badformat.zip'), |
|
124 | nt.assert_raises(ValueError, display.Image, filename=os.path.join(tpath, 'testing/tests/badformat.zip'), | |
125 | embed=True) |
|
125 | embed=True) | |
126 | nt.assert_raises(ValueError, display.Image) |
|
126 | nt.assert_raises(ValueError, display.Image) | |
127 | nt.assert_raises(ValueError, display.Image, data='this is not an image', format='badformat', embed=True) |
|
127 | nt.assert_raises(ValueError, display.Image, data='this is not an image', format='badformat', embed=True) | |
128 | # check boths paths to allow packages to test at build and install time |
|
128 | # check boths paths to allow packages to test at build and install time | |
129 | imgfile = os.path.join(tpath, 'core/tests/2x2.png') |
|
129 | imgfile = os.path.join(tpath, 'core/tests/2x2.png') | |
130 | img = display.Image(filename=imgfile) |
|
130 | img = display.Image(filename=imgfile) | |
131 | nt.assert_equal('png', img.format) |
|
131 | nt.assert_equal('png', img.format) | |
132 | nt.assert_is_not_none(img._repr_png_()) |
|
132 | nt.assert_is_not_none(img._repr_png_()) | |
133 | img = display.Image(filename=os.path.join(tpath, 'testing/tests/logo.jpg'), embed=False) |
|
133 | img = display.Image(filename=os.path.join(tpath, 'testing/tests/logo.jpg'), embed=False) | |
134 | nt.assert_equal('jpeg', img.format) |
|
134 | nt.assert_equal('jpeg', img.format) | |
135 | nt.assert_is_none(img._repr_jpeg_()) |
|
135 | nt.assert_is_none(img._repr_jpeg_()) | |
136 |
|
136 | |||
137 | def _get_inline_config(): |
|
137 | def _get_inline_config(): | |
138 | from ipykernel.pylab.config import InlineBackend |
|
138 | from ipykernel.pylab.config import InlineBackend | |
139 | return InlineBackend.instance() |
|
139 | return InlineBackend.instance() | |
140 |
|
140 | |||
141 |
|
141 | |||
142 | @dec.skip_without("ipykernel") |
|
142 | @dec.skip_without("ipykernel") | |
143 | @dec.skip_without("matplotlib") |
|
143 | @dec.skip_without("matplotlib") | |
144 | def test_set_matplotlib_close(): |
|
144 | def test_set_matplotlib_close(): | |
145 | cfg = _get_inline_config() |
|
145 | cfg = _get_inline_config() | |
146 | cfg.close_figures = False |
|
146 | cfg.close_figures = False | |
147 | display.set_matplotlib_close() |
|
147 | display.set_matplotlib_close() | |
148 | assert cfg.close_figures |
|
148 | assert cfg.close_figures | |
149 | display.set_matplotlib_close(False) |
|
149 | display.set_matplotlib_close(False) | |
150 | assert not cfg.close_figures |
|
150 | assert not cfg.close_figures | |
151 |
|
151 | |||
152 | _fmt_mime_map = { |
|
152 | _fmt_mime_map = { | |
153 | 'png': 'image/png', |
|
153 | 'png': 'image/png', | |
154 | 'jpeg': 'image/jpeg', |
|
154 | 'jpeg': 'image/jpeg', | |
155 | 'pdf': 'application/pdf', |
|
155 | 'pdf': 'application/pdf', | |
156 | 'retina': 'image/png', |
|
156 | 'retina': 'image/png', | |
157 | 'svg': 'image/svg+xml', |
|
157 | 'svg': 'image/svg+xml', | |
158 | } |
|
158 | } | |
159 |
|
159 | |||
160 | @dec.skip_without('matplotlib') |
|
160 | @dec.skip_without('matplotlib') | |
161 | def test_set_matplotlib_formats(): |
|
161 | def test_set_matplotlib_formats(): | |
162 | from matplotlib.figure import Figure |
|
162 | from matplotlib.figure import Figure | |
163 | formatters = get_ipython().display_formatter.formatters |
|
163 | formatters = get_ipython().display_formatter.formatters | |
164 | for formats in [ |
|
164 | for formats in [ | |
165 | ('png',), |
|
165 | ('png',), | |
166 | ('pdf', 'svg'), |
|
166 | ('pdf', 'svg'), | |
167 | ('jpeg', 'retina', 'png'), |
|
167 | ('jpeg', 'retina', 'png'), | |
168 | (), |
|
168 | (), | |
169 | ]: |
|
169 | ]: | |
170 | active_mimes = {_fmt_mime_map[fmt] for fmt in formats} |
|
170 | active_mimes = {_fmt_mime_map[fmt] for fmt in formats} | |
171 | display.set_matplotlib_formats(*formats) |
|
171 | display.set_matplotlib_formats(*formats) | |
172 | for mime, f in formatters.items(): |
|
172 | for mime, f in formatters.items(): | |
173 | if mime in active_mimes: |
|
173 | if mime in active_mimes: | |
174 | nt.assert_in(Figure, f) |
|
174 | nt.assert_in(Figure, f) | |
175 | else: |
|
175 | else: | |
176 | nt.assert_not_in(Figure, f) |
|
176 | nt.assert_not_in(Figure, f) | |
177 |
|
177 | |||
178 |
|
178 | |||
179 | @dec.skip_without("ipykernel") |
|
179 | @dec.skip_without("ipykernel") | |
180 | @dec.skip_without("matplotlib") |
|
180 | @dec.skip_without("matplotlib") | |
181 | def test_set_matplotlib_formats_kwargs(): |
|
181 | def test_set_matplotlib_formats_kwargs(): | |
182 | from matplotlib.figure import Figure |
|
182 | from matplotlib.figure import Figure | |
183 | ip = get_ipython() |
|
183 | ip = get_ipython() | |
184 | cfg = _get_inline_config() |
|
184 | cfg = _get_inline_config() | |
185 | cfg.print_figure_kwargs.update(dict(foo='bar')) |
|
185 | cfg.print_figure_kwargs.update(dict(foo='bar')) | |
186 | kwargs = dict(quality=10) |
|
186 | kwargs = dict(quality=10) | |
187 | display.set_matplotlib_formats('png', **kwargs) |
|
187 | display.set_matplotlib_formats('png', **kwargs) | |
188 | formatter = ip.display_formatter.formatters['image/png'] |
|
188 | formatter = ip.display_formatter.formatters['image/png'] | |
189 | f = formatter.lookup_by_type(Figure) |
|
189 | f = formatter.lookup_by_type(Figure) | |
190 | cell = f.__closure__[0].cell_contents |
|
190 | cell = f.__closure__[0].cell_contents | |
191 | expected = kwargs |
|
191 | expected = kwargs | |
192 | expected.update(cfg.print_figure_kwargs) |
|
192 | expected.update(cfg.print_figure_kwargs) | |
193 | nt.assert_equal(cell, expected) |
|
193 | nt.assert_equal(cell, expected) | |
194 |
|
194 | |||
195 | def test_display_available(): |
|
195 | def test_display_available(): | |
196 | """ |
|
196 | """ | |
197 | Test that display is available without import |
|
197 | Test that display is available without import | |
198 |
|
198 | |||
199 | We don't really care if it's in builtin or anything else, but it should |
|
199 | We don't really care if it's in builtin or anything else, but it should | |
200 | always be available. |
|
200 | always be available. | |
201 | """ |
|
201 | """ | |
202 | ip = get_ipython() |
|
202 | ip = get_ipython() | |
203 | with AssertNotPrints('NameError'): |
|
203 | with AssertNotPrints('NameError'): | |
204 | ip.run_cell('display') |
|
204 | ip.run_cell('display') | |
205 | try: |
|
205 | try: | |
206 | ip.run_cell('del display') |
|
206 | ip.run_cell('del display') | |
207 | except NameError: |
|
207 | except NameError: | |
208 | pass # it's ok, it might be in builtins |
|
208 | pass # it's ok, it might be in builtins | |
209 | # even if deleted it should be back |
|
209 | # even if deleted it should be back | |
210 | with AssertNotPrints('NameError'): |
|
210 | with AssertNotPrints('NameError'): | |
211 | ip.run_cell('display') |
|
211 | ip.run_cell('display') | |
212 |
|
212 | |||
213 | def test_textdisplayobj_pretty_repr(): |
|
213 | def test_textdisplayobj_pretty_repr(): | |
214 | p = display.Pretty("This is a simple test") |
|
214 | p = display.Pretty("This is a simple test") | |
215 | nt.assert_equal(repr(p), '<IPython.core.display.Pretty object>') |
|
215 | nt.assert_equal(repr(p), '<IPython.core.display.Pretty object>') | |
216 | nt.assert_equal(p.data, 'This is a simple test') |
|
216 | nt.assert_equal(p.data, 'This is a simple test') | |
217 |
|
217 | |||
218 | p._show_mem_addr = True |
|
218 | p._show_mem_addr = True | |
219 | nt.assert_equal(repr(p), object.__repr__(p)) |
|
219 | nt.assert_equal(repr(p), object.__repr__(p)) | |
220 |
|
220 | |||
221 | def test_displayobject_repr(): |
|
221 | def test_displayobject_repr(): | |
222 | h = display.HTML('<br />') |
|
222 | h = display.HTML('<br />') | |
223 | nt.assert_equal(repr(h), '<IPython.core.display.HTML object>') |
|
223 | nt.assert_equal(repr(h), '<IPython.core.display.HTML object>') | |
224 | h._show_mem_addr = True |
|
224 | h._show_mem_addr = True | |
225 | nt.assert_equal(repr(h), object.__repr__(h)) |
|
225 | nt.assert_equal(repr(h), object.__repr__(h)) | |
226 | h._show_mem_addr = False |
|
226 | h._show_mem_addr = False | |
227 | nt.assert_equal(repr(h), '<IPython.core.display.HTML object>') |
|
227 | nt.assert_equal(repr(h), '<IPython.core.display.HTML object>') | |
228 |
|
228 | |||
229 | j = display.Javascript('') |
|
229 | j = display.Javascript('') | |
230 | nt.assert_equal(repr(j), '<IPython.core.display.Javascript object>') |
|
230 | nt.assert_equal(repr(j), '<IPython.core.display.Javascript object>') | |
231 | j._show_mem_addr = True |
|
231 | j._show_mem_addr = True | |
232 | nt.assert_equal(repr(j), object.__repr__(j)) |
|
232 | nt.assert_equal(repr(j), object.__repr__(j)) | |
233 | j._show_mem_addr = False |
|
233 | j._show_mem_addr = False | |
234 | nt.assert_equal(repr(j), '<IPython.core.display.Javascript object>') |
|
234 | nt.assert_equal(repr(j), '<IPython.core.display.Javascript object>') | |
235 |
|
235 | |||
236 | @mock.patch('warnings.warn') |
|
236 | @mock.patch('warnings.warn') | |
237 | def test_encourage_iframe_over_html(m_warn): |
|
237 | def test_encourage_iframe_over_html(m_warn): | |
238 | display.HTML() |
|
238 | display.HTML() | |
239 | m_warn.assert_not_called() |
|
239 | m_warn.assert_not_called() | |
240 |
|
240 | |||
241 | display.HTML('<br />') |
|
241 | display.HTML('<br />') | |
242 | m_warn.assert_not_called() |
|
242 | m_warn.assert_not_called() | |
243 |
|
243 | |||
244 | display.HTML('<html><p>Lots of content here</p><iframe src="http://a.com"></iframe>') |
|
244 | display.HTML('<html><p>Lots of content here</p><iframe src="http://a.com"></iframe>') | |
245 | m_warn.assert_not_called() |
|
245 | m_warn.assert_not_called() | |
246 |
|
246 | |||
247 | display.HTML('<iframe src="http://a.com"></iframe>') |
|
247 | display.HTML('<iframe src="http://a.com"></iframe>') | |
248 | m_warn.assert_called_with('Consider using IPython.display.IFrame instead') |
|
248 | m_warn.assert_called_with('Consider using IPython.display.IFrame instead') | |
249 |
|
249 | |||
250 | m_warn.reset_mock() |
|
250 | m_warn.reset_mock() | |
251 | display.HTML('<IFRAME SRC="http://a.com"></IFRAME>') |
|
251 | display.HTML('<IFRAME SRC="http://a.com"></IFRAME>') | |
252 | m_warn.assert_called_with('Consider using IPython.display.IFrame instead') |
|
252 | m_warn.assert_called_with('Consider using IPython.display.IFrame instead') | |
253 |
|
253 | |||
254 | def test_progress(): |
|
254 | def test_progress(): | |
255 | p = display.ProgressBar(10) |
|
255 | p = display.ProgressBar(10) | |
256 | nt.assert_in('0/10',repr(p)) |
|
256 | nt.assert_in('0/10',repr(p)) | |
257 | p.html_width = '100%' |
|
257 | p.html_width = '100%' | |
258 | p.progress = 5 |
|
258 | p.progress = 5 | |
259 | nt.assert_equal(p._repr_html_(), "<progress style='width:100%' max='10' value='5'></progress>") |
|
259 | nt.assert_equal(p._repr_html_(), "<progress style='width:100%' max='10' value='5'></progress>") | |
260 |
|
260 | |||
261 | def test_progress_iter(): |
|
261 | def test_progress_iter(): | |
262 | with capture_output(display=False) as captured: |
|
262 | with capture_output(display=False) as captured: | |
263 | for i in display.ProgressBar(5): |
|
263 | for i in display.ProgressBar(5): | |
264 | out = captured.stdout |
|
264 | out = captured.stdout | |
265 | nt.assert_in('{0}/5'.format(i), out) |
|
265 | nt.assert_in('{0}/5'.format(i), out) | |
266 | out = captured.stdout |
|
266 | out = captured.stdout | |
267 | nt.assert_in('5/5', out) |
|
267 | nt.assert_in('5/5', out) | |
268 |
|
268 | |||
269 | def test_json(): |
|
269 | def test_json(): | |
270 | d = {'a': 5} |
|
270 | d = {'a': 5} | |
271 | lis = [d] |
|
271 | lis = [d] | |
272 | metadata = [ |
|
272 | metadata = [ | |
273 | {'expanded': False, 'root': 'root'}, |
|
273 | {'expanded': False, 'root': 'root'}, | |
274 | {'expanded': True, 'root': 'root'}, |
|
274 | {'expanded': True, 'root': 'root'}, | |
275 | {'expanded': False, 'root': 'custom'}, |
|
275 | {'expanded': False, 'root': 'custom'}, | |
276 | {'expanded': True, 'root': 'custom'}, |
|
276 | {'expanded': True, 'root': 'custom'}, | |
277 | ] |
|
277 | ] | |
278 | json_objs = [ |
|
278 | json_objs = [ | |
279 | display.JSON(d), |
|
279 | display.JSON(d), | |
280 | display.JSON(d, expanded=True), |
|
280 | display.JSON(d, expanded=True), | |
281 | display.JSON(d, root='custom'), |
|
281 | display.JSON(d, root='custom'), | |
282 | display.JSON(d, expanded=True, root='custom'), |
|
282 | display.JSON(d, expanded=True, root='custom'), | |
283 | ] |
|
283 | ] | |
284 | for j, md in zip(json_objs, metadata): |
|
284 | for j, md in zip(json_objs, metadata): | |
285 | nt.assert_equal(j._repr_json_(), (d, md)) |
|
285 | nt.assert_equal(j._repr_json_(), (d, md)) | |
286 |
|
286 | |||
287 | with warnings.catch_warnings(record=True) as w: |
|
287 | with warnings.catch_warnings(record=True) as w: | |
288 | warnings.simplefilter("always") |
|
288 | warnings.simplefilter("always") | |
289 | j = display.JSON(json.dumps(d)) |
|
289 | j = display.JSON(json.dumps(d)) | |
290 | nt.assert_equal(len(w), 1) |
|
290 | nt.assert_equal(len(w), 1) | |
291 | nt.assert_equal(j._repr_json_(), (d, metadata[0])) |
|
291 | nt.assert_equal(j._repr_json_(), (d, metadata[0])) | |
292 |
|
292 | |||
293 | json_objs = [ |
|
293 | json_objs = [ | |
294 | display.JSON(lis), |
|
294 | display.JSON(lis), | |
295 | display.JSON(lis, expanded=True), |
|
295 | display.JSON(lis, expanded=True), | |
296 | display.JSON(lis, root='custom'), |
|
296 | display.JSON(lis, root='custom'), | |
297 | display.JSON(lis, expanded=True, root='custom'), |
|
297 | display.JSON(lis, expanded=True, root='custom'), | |
298 | ] |
|
298 | ] | |
299 | for j, md in zip(json_objs, metadata): |
|
299 | for j, md in zip(json_objs, metadata): | |
300 | nt.assert_equal(j._repr_json_(), (lis, md)) |
|
300 | nt.assert_equal(j._repr_json_(), (lis, md)) | |
301 |
|
301 | |||
302 | with warnings.catch_warnings(record=True) as w: |
|
302 | with warnings.catch_warnings(record=True) as w: | |
303 | warnings.simplefilter("always") |
|
303 | warnings.simplefilter("always") | |
304 | j = display.JSON(json.dumps(lis)) |
|
304 | j = display.JSON(json.dumps(lis)) | |
305 | nt.assert_equal(len(w), 1) |
|
305 | nt.assert_equal(len(w), 1) | |
306 | nt.assert_equal(j._repr_json_(), (lis, metadata[0])) |
|
306 | nt.assert_equal(j._repr_json_(), (lis, metadata[0])) | |
307 |
|
307 | |||
308 | def test_video_embedding(): |
|
308 | def test_video_embedding(): | |
309 | """use a tempfile, with dummy-data, to ensure that video embedding doesn't crash""" |
|
309 | """use a tempfile, with dummy-data, to ensure that video embedding doesn't crash""" | |
310 | v = display.Video("http://ignored") |
|
310 | v = display.Video("http://ignored") | |
311 | assert not v.embed |
|
311 | assert not v.embed | |
312 | html = v._repr_html_() |
|
312 | html = v._repr_html_() | |
313 | nt.assert_not_in('src="data:', html) |
|
313 | nt.assert_not_in('src="data:', html) | |
314 | nt.assert_in('src="http://ignored"', html) |
|
314 | nt.assert_in('src="http://ignored"', html) | |
315 |
|
315 | |||
316 | with nt.assert_raises(ValueError): |
|
316 | with nt.assert_raises(ValueError): | |
317 | v = display.Video(b'abc') |
|
317 | v = display.Video(b'abc') | |
318 |
|
318 | |||
319 | with NamedFileInTemporaryDirectory('test.mp4') as f: |
|
319 | with NamedFileInTemporaryDirectory('test.mp4') as f: | |
320 | f.write(b'abc') |
|
320 | f.write(b'abc') | |
321 | f.close() |
|
321 | f.close() | |
322 |
|
322 | |||
323 | v = display.Video(f.name) |
|
323 | v = display.Video(f.name) | |
324 | assert not v.embed |
|
324 | assert not v.embed | |
325 | html = v._repr_html_() |
|
325 | html = v._repr_html_() | |
326 | nt.assert_not_in('src="data:', html) |
|
326 | nt.assert_not_in('src="data:', html) | |
327 |
|
327 | |||
328 | v = display.Video(f.name, embed=True) |
|
328 | v = display.Video(f.name, embed=True) | |
329 | html = v._repr_html_() |
|
329 | html = v._repr_html_() | |
330 | nt.assert_in('src="data:video/mp4;base64,YWJj"',html) |
|
330 | nt.assert_in('src="data:video/mp4;base64,YWJj"',html) | |
331 |
|
331 | |||
332 | v = display.Video(f.name, embed=True, mimetype='video/other') |
|
332 | v = display.Video(f.name, embed=True, mimetype='video/other') | |
333 | html = v._repr_html_() |
|
333 | html = v._repr_html_() | |
334 | nt.assert_in('src="data:video/other;base64,YWJj"',html) |
|
334 | nt.assert_in('src="data:video/other;base64,YWJj"',html) | |
335 |
|
335 | |||
336 | v = display.Video(b'abc', embed=True, mimetype='video/mp4') |
|
336 | v = display.Video(b'abc', embed=True, mimetype='video/mp4') | |
337 | html = v._repr_html_() |
|
337 | html = v._repr_html_() | |
338 | nt.assert_in('src="data:video/mp4;base64,YWJj"',html) |
|
338 | nt.assert_in('src="data:video/mp4;base64,YWJj"',html) | |
339 |
|
339 | |||
340 | v = display.Video(u'YWJj', embed=True, mimetype='video/xyz') |
|
340 | v = display.Video(u'YWJj', embed=True, mimetype='video/xyz') | |
341 | html = v._repr_html_() |
|
341 | html = v._repr_html_() | |
342 | nt.assert_in('src="data:video/xyz;base64,YWJj"',html) |
|
342 | nt.assert_in('src="data:video/xyz;base64,YWJj"',html) | |
343 |
|
343 | |||
344 | def test_html_metadata(): |
|
344 | def test_html_metadata(): | |
345 | s = "<h1>Test</h1>" |
|
345 | s = "<h1>Test</h1>" | |
346 | h = display.HTML(s, metadata={"isolated": True}) |
|
346 | h = display.HTML(s, metadata={"isolated": True}) | |
347 | nt.assert_equal(h._repr_html_(), (s, {"isolated": True})) |
|
347 | nt.assert_equal(h._repr_html_(), (s, {"isolated": True})) | |
348 |
|
348 | |||
349 | def test_display_id(): |
|
349 | def test_display_id(): | |
350 | ip = get_ipython() |
|
350 | ip = get_ipython() | |
351 | with mock.patch.object(ip.display_pub, 'publish') as pub: |
|
351 | with mock.patch.object(ip.display_pub, 'publish') as pub: | |
352 | handle = display.display('x') |
|
352 | handle = display.display('x') | |
353 | nt.assert_is(handle, None) |
|
353 | nt.assert_is(handle, None) | |
354 | handle = display.display('y', display_id='secret') |
|
354 | handle = display.display('y', display_id='secret') | |
355 | nt.assert_is_instance(handle, display.DisplayHandle) |
|
355 | nt.assert_is_instance(handle, display.DisplayHandle) | |
356 | handle2 = display.display('z', display_id=True) |
|
356 | handle2 = display.display('z', display_id=True) | |
357 | nt.assert_is_instance(handle2, display.DisplayHandle) |
|
357 | nt.assert_is_instance(handle2, display.DisplayHandle) | |
358 | nt.assert_not_equal(handle.display_id, handle2.display_id) |
|
358 | nt.assert_not_equal(handle.display_id, handle2.display_id) | |
359 |
|
359 | |||
360 | nt.assert_equal(pub.call_count, 3) |
|
360 | nt.assert_equal(pub.call_count, 3) | |
361 | args, kwargs = pub.call_args_list[0] |
|
361 | args, kwargs = pub.call_args_list[0] | |
362 | nt.assert_equal(args, ()) |
|
362 | nt.assert_equal(args, ()) | |
363 | nt.assert_equal(kwargs, { |
|
363 | nt.assert_equal(kwargs, { | |
364 | 'data': { |
|
364 | 'data': { | |
365 | 'text/plain': repr('x') |
|
365 | 'text/plain': repr('x') | |
366 | }, |
|
366 | }, | |
367 | 'metadata': {}, |
|
367 | 'metadata': {}, | |
368 | }) |
|
368 | }) | |
369 | args, kwargs = pub.call_args_list[1] |
|
369 | args, kwargs = pub.call_args_list[1] | |
370 | nt.assert_equal(args, ()) |
|
370 | nt.assert_equal(args, ()) | |
371 | nt.assert_equal(kwargs, { |
|
371 | nt.assert_equal(kwargs, { | |
372 | 'data': { |
|
372 | 'data': { | |
373 | 'text/plain': repr('y') |
|
373 | 'text/plain': repr('y') | |
374 | }, |
|
374 | }, | |
375 | 'metadata': {}, |
|
375 | 'metadata': {}, | |
376 | 'transient': { |
|
376 | 'transient': { | |
377 | 'display_id': handle.display_id, |
|
377 | 'display_id': handle.display_id, | |
378 | }, |
|
378 | }, | |
379 | }) |
|
379 | }) | |
380 | args, kwargs = pub.call_args_list[2] |
|
380 | args, kwargs = pub.call_args_list[2] | |
381 | nt.assert_equal(args, ()) |
|
381 | nt.assert_equal(args, ()) | |
382 | nt.assert_equal(kwargs, { |
|
382 | nt.assert_equal(kwargs, { | |
383 | 'data': { |
|
383 | 'data': { | |
384 | 'text/plain': repr('z') |
|
384 | 'text/plain': repr('z') | |
385 | }, |
|
385 | }, | |
386 | 'metadata': {}, |
|
386 | 'metadata': {}, | |
387 | 'transient': { |
|
387 | 'transient': { | |
388 | 'display_id': handle2.display_id, |
|
388 | 'display_id': handle2.display_id, | |
389 | }, |
|
389 | }, | |
390 | }) |
|
390 | }) | |
391 |
|
391 | |||
392 |
|
392 | |||
393 | def test_update_display(): |
|
393 | def test_update_display(): | |
394 | ip = get_ipython() |
|
394 | ip = get_ipython() | |
395 | with mock.patch.object(ip.display_pub, 'publish') as pub: |
|
395 | with mock.patch.object(ip.display_pub, 'publish') as pub: | |
396 | with nt.assert_raises(TypeError): |
|
396 | with nt.assert_raises(TypeError): | |
397 | display.update_display('x') |
|
397 | display.update_display('x') | |
398 | display.update_display('x', display_id='1') |
|
398 | display.update_display('x', display_id='1') | |
399 | display.update_display('y', display_id='2') |
|
399 | display.update_display('y', display_id='2') | |
400 | args, kwargs = pub.call_args_list[0] |
|
400 | args, kwargs = pub.call_args_list[0] | |
401 | nt.assert_equal(args, ()) |
|
401 | nt.assert_equal(args, ()) | |
402 | nt.assert_equal(kwargs, { |
|
402 | nt.assert_equal(kwargs, { | |
403 | 'data': { |
|
403 | 'data': { | |
404 | 'text/plain': repr('x') |
|
404 | 'text/plain': repr('x') | |
405 | }, |
|
405 | }, | |
406 | 'metadata': {}, |
|
406 | 'metadata': {}, | |
407 | 'transient': { |
|
407 | 'transient': { | |
408 | 'display_id': '1', |
|
408 | 'display_id': '1', | |
409 | }, |
|
409 | }, | |
410 | 'update': True, |
|
410 | 'update': True, | |
411 | }) |
|
411 | }) | |
412 | args, kwargs = pub.call_args_list[1] |
|
412 | args, kwargs = pub.call_args_list[1] | |
413 | nt.assert_equal(args, ()) |
|
413 | nt.assert_equal(args, ()) | |
414 | nt.assert_equal(kwargs, { |
|
414 | nt.assert_equal(kwargs, { | |
415 | 'data': { |
|
415 | 'data': { | |
416 | 'text/plain': repr('y') |
|
416 | 'text/plain': repr('y') | |
417 | }, |
|
417 | }, | |
418 | 'metadata': {}, |
|
418 | 'metadata': {}, | |
419 | 'transient': { |
|
419 | 'transient': { | |
420 | 'display_id': '2', |
|
420 | 'display_id': '2', | |
421 | }, |
|
421 | }, | |
422 | 'update': True, |
|
422 | 'update': True, | |
423 | }) |
|
423 | }) | |
424 |
|
424 | |||
425 |
|
425 | |||
426 | def test_display_handle(): |
|
426 | def test_display_handle(): | |
427 | ip = get_ipython() |
|
427 | ip = get_ipython() | |
428 | handle = display.DisplayHandle() |
|
428 | handle = display.DisplayHandle() | |
429 | nt.assert_is_instance(handle.display_id, str) |
|
429 | nt.assert_is_instance(handle.display_id, str) | |
430 | handle = display.DisplayHandle('my-id') |
|
430 | handle = display.DisplayHandle('my-id') | |
431 | nt.assert_equal(handle.display_id, 'my-id') |
|
431 | nt.assert_equal(handle.display_id, 'my-id') | |
432 | with mock.patch.object(ip.display_pub, 'publish') as pub: |
|
432 | with mock.patch.object(ip.display_pub, 'publish') as pub: | |
433 | handle.display('x') |
|
433 | handle.display('x') | |
434 | handle.update('y') |
|
434 | handle.update('y') | |
435 |
|
435 | |||
436 | args, kwargs = pub.call_args_list[0] |
|
436 | args, kwargs = pub.call_args_list[0] | |
437 | nt.assert_equal(args, ()) |
|
437 | nt.assert_equal(args, ()) | |
438 | nt.assert_equal(kwargs, { |
|
438 | nt.assert_equal(kwargs, { | |
439 | 'data': { |
|
439 | 'data': { | |
440 | 'text/plain': repr('x') |
|
440 | 'text/plain': repr('x') | |
441 | }, |
|
441 | }, | |
442 | 'metadata': {}, |
|
442 | 'metadata': {}, | |
443 | 'transient': { |
|
443 | 'transient': { | |
444 | 'display_id': handle.display_id, |
|
444 | 'display_id': handle.display_id, | |
445 | } |
|
445 | } | |
446 | }) |
|
446 | }) | |
447 | args, kwargs = pub.call_args_list[1] |
|
447 | args, kwargs = pub.call_args_list[1] | |
448 | nt.assert_equal(args, ()) |
|
448 | nt.assert_equal(args, ()) | |
449 | nt.assert_equal(kwargs, { |
|
449 | nt.assert_equal(kwargs, { | |
450 | 'data': { |
|
450 | 'data': { | |
451 | 'text/plain': repr('y') |
|
451 | 'text/plain': repr('y') | |
452 | }, |
|
452 | }, | |
453 | 'metadata': {}, |
|
453 | 'metadata': {}, | |
454 | 'transient': { |
|
454 | 'transient': { | |
455 | 'display_id': handle.display_id, |
|
455 | 'display_id': handle.display_id, | |
456 | }, |
|
456 | }, | |
457 | 'update': True, |
|
457 | 'update': True, | |
458 | }) |
|
458 | }) | |
459 |
|
459 | |||
460 | def test_image_alt_tag(): |
|
460 | def test_image_alt_tag(): | |
461 | """Simple test for display.Image(args, alt=x,)""" |
|
461 | """Simple test for display.Image(args, alt=x,)""" | |
462 |
thisurl = |
|
462 | thisurl = "http://example.com/image.png" | |
463 |
img = display.Image(url=thisurl, alt= |
|
463 | img = display.Image(url=thisurl, alt="an image") | |
464 | nt.assert_equal(u'<img src="%s" alt="an image"/>' % (thisurl), img._repr_html_()) |
|
464 | nt.assert_equal(u'<img src="%s" alt="an image"/>' % (thisurl), img._repr_html_()) | |
465 |
img = display.Image(url=thisurl, unconfined=True, alt= |
|
465 | img = display.Image(url=thisurl, unconfined=True, alt="an image") | |
466 | nt.assert_equal(u'<img src="%s" class="unconfined" alt="an image"/>' % (thisurl), img._repr_html_()) |
|
466 | nt.assert_equal( | |
|
467 | u'<img src="%s" class="unconfined" alt="an image"/>' % (thisurl), | |||
|
468 | img._repr_html_(), | |||
|
469 | ) | |||
467 | img = display.Image(url=thisurl, alt='>"& <') |
|
470 | img = display.Image(url=thisurl, alt='>"& <') | |
468 | nt.assert_equal(u'<img src="%s" alt=">"& <"/>' % (thisurl), img._repr_html_()) |
|
471 | nt.assert_equal( | |
|
472 | u'<img src="%s" alt=">"& <"/>' % (thisurl), img._repr_html_() | |||
|
473 | ) | |||
469 |
|
474 | |||
470 |
img = display.Image(url=thisurl, metadata={ |
|
475 | img = display.Image(url=thisurl, metadata={"alt": "an image"}) | |
471 |
nt.assert_equal(img.alt, |
|
476 | nt.assert_equal(img.alt, "an image") | |
472 |
|
477 | |||
473 | here = os.path.dirname(__file__) |
|
478 | here = os.path.dirname(__file__) | |
474 |
img = display.Image(os.path.join(here, "2x2.png"), alt= |
|
479 | img = display.Image(os.path.join(here, "2x2.png"), alt="an image") | |
475 |
nt.assert_equal(img.alt, |
|
480 | nt.assert_equal(img.alt, "an image") | |
476 | _, md = img._repr_png_() |
|
481 | _, md = img._repr_png_() | |
477 |
nt.assert_equal(md[ |
|
482 | nt.assert_equal(md["alt"], "an image") |
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