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@@ -1,358 +1,373 b'' | |||
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1 | 1 | # -*- coding: utf-8 -*- |
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2 | 2 | """Pylab (matplotlib) support utilities. |
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3 | 3 | |
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4 | 4 | Authors |
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5 | 5 | ------- |
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6 | 6 | |
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7 | 7 | * Fernando Perez. |
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8 | 8 | * Brian Granger |
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9 | 9 | """ |
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10 | 10 | from __future__ import print_function |
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11 | 11 | |
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12 | 12 | #----------------------------------------------------------------------------- |
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13 | 13 | # Copyright (C) 2009 The IPython Development Team |
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14 | 14 | # |
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15 | 15 | # Distributed under the terms of the BSD License. The full license is in |
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16 | 16 | # the file COPYING, distributed as part of this software. |
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17 | 17 | #----------------------------------------------------------------------------- |
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18 | 18 | |
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19 | 19 | #----------------------------------------------------------------------------- |
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20 | 20 | # Imports |
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21 | 21 | #----------------------------------------------------------------------------- |
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22 | 22 | |
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23 | 23 | import sys |
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24 | 24 | from io import BytesIO |
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25 | 25 | |
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26 | 26 | from IPython.core.display import _pngxy |
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27 | 27 | from IPython.utils.decorators import flag_calls |
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28 | 28 | from IPython.utils import py3compat |
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29 | 29 | |
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30 | 30 | # If user specifies a GUI, that dictates the backend, otherwise we read the |
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31 | 31 | # user's mpl default from the mpl rc structure |
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32 | 32 | backends = {'tk': 'TkAgg', |
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33 | 33 | 'gtk': 'GTKAgg', |
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34 | 34 | 'gtk3': 'GTK3Agg', |
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35 | 35 | 'wx': 'WXAgg', |
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36 | 36 | 'qt': 'Qt4Agg', # qt3 not supported |
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37 | 37 | 'qt4': 'Qt4Agg', |
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38 | 38 | 'osx': 'MacOSX', |
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39 | 39 | 'inline' : 'module://IPython.kernel.zmq.pylab.backend_inline'} |
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40 | 40 | |
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41 | 41 | # We also need a reverse backends2guis mapping that will properly choose which |
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42 | 42 | # GUI support to activate based on the desired matplotlib backend. For the |
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43 | 43 | # most part it's just a reverse of the above dict, but we also need to add a |
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44 | 44 | # few others that map to the same GUI manually: |
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45 | 45 | backend2gui = dict(zip(backends.values(), backends.keys())) |
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46 | 46 | # Our tests expect backend2gui to just return 'qt' |
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47 | 47 | backend2gui['Qt4Agg'] = 'qt' |
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48 | 48 | # In the reverse mapping, there are a few extra valid matplotlib backends that |
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49 | 49 | # map to the same GUI support |
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50 | 50 | backend2gui['GTK'] = backend2gui['GTKCairo'] = 'gtk' |
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51 | 51 | backend2gui['GTK3Cairo'] = 'gtk3' |
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52 | 52 | backend2gui['WX'] = 'wx' |
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53 | 53 | backend2gui['CocoaAgg'] = 'osx' |
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54 | 54 | |
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55 | 55 | #----------------------------------------------------------------------------- |
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56 | 56 | # Matplotlib utilities |
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57 | 57 | #----------------------------------------------------------------------------- |
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58 | 58 | |
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59 | 59 | |
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60 | 60 | def getfigs(*fig_nums): |
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61 | 61 | """Get a list of matplotlib figures by figure numbers. |
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62 | 62 | |
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63 | 63 | If no arguments are given, all available figures are returned. If the |
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64 | 64 | argument list contains references to invalid figures, a warning is printed |
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65 | 65 | but the function continues pasting further figures. |
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66 | 66 | |
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67 | 67 | Parameters |
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68 | 68 | ---------- |
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69 | 69 | figs : tuple |
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70 | 70 | A tuple of ints giving the figure numbers of the figures to return. |
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71 | 71 | """ |
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72 | 72 | from matplotlib._pylab_helpers import Gcf |
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73 | 73 | if not fig_nums: |
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74 | 74 | fig_managers = Gcf.get_all_fig_managers() |
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75 | 75 | return [fm.canvas.figure for fm in fig_managers] |
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76 | 76 | else: |
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77 | 77 | figs = [] |
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78 | 78 | for num in fig_nums: |
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79 | 79 | f = Gcf.figs.get(num) |
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80 | 80 | if f is None: |
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81 | 81 | print('Warning: figure %s not available.' % num) |
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82 | 82 | else: |
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83 | 83 | figs.append(f.canvas.figure) |
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84 | 84 | return figs |
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85 | 85 | |
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86 | 86 | |
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87 | 87 | def figsize(sizex, sizey): |
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88 | 88 | """Set the default figure size to be [sizex, sizey]. |
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89 | 89 | |
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90 | 90 | This is just an easy to remember, convenience wrapper that sets:: |
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91 | 91 | |
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92 | 92 | matplotlib.rcParams['figure.figsize'] = [sizex, sizey] |
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93 | 93 | """ |
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94 | 94 | import matplotlib |
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95 | 95 | matplotlib.rcParams['figure.figsize'] = [sizex, sizey] |
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96 | 96 | |
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97 | 97 | |
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98 |
def print_figure(fig, fmt='png', |
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99 | """Convert a figure to svg, png or jpg for inline display. | |
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100 | Quality is only relevant for jpg. | |
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98 | def print_figure(fig, fmt='png', **kwargs): | |
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99 | """Print a figure to an image, and return the resulting bytes | |
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100 | ||
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101 | Any extra keyword args are passed to fig.canvas.print_figure, | |
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102 | such as ``quality`` or ``bbox_inches``. | |
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101 | 103 | """ |
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102 | 104 | from matplotlib import rcParams |
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103 | 105 | # When there's an empty figure, we shouldn't return anything, otherwise we |
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104 | 106 | # get big blank areas in the qt console. |
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105 | 107 | if not fig.axes and not fig.lines: |
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106 | 108 | return |
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107 | 109 | |
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108 | fc = fig.get_facecolor() | |
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109 | ec = fig.get_edgecolor() | |
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110 | bytes_io = BytesIO() | |
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111 | 110 | dpi = rcParams['savefig.dpi'] |
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112 | 111 | if fmt == 'retina': |
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113 | 112 | dpi = dpi * 2 |
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114 | 113 | fmt = 'png' |
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115 | fig.canvas.print_figure(bytes_io, format=fmt, bbox_inches='tight', | |
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116 | facecolor=fc, edgecolor=ec, dpi=dpi, quality=quality) | |
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117 | data = bytes_io.getvalue() | |
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118 | return data | |
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119 | 114 | |
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120 | def retina_figure(fig): | |
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115 | # build keyword args | |
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116 | kw = dict( | |
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117 | format=fmt, | |
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118 | fc=fig.get_facecolor(), | |
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119 | ec=fig.get_edgecolor(), | |
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120 | dpi=dpi, | |
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121 | ) | |
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122 | # **kwargs get higher priority | |
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123 | kw.update(kwargs) | |
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124 | print(kw) | |
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125 | ||
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126 | bytes_io = BytesIO() | |
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127 | fig.canvas.print_figure(bytes_io, **kw) | |
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128 | return bytes_io.getvalue() | |
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129 | ||
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130 | def retina_figure(fig, **kwargs): | |
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121 | 131 | """format a figure as a pixel-doubled (retina) PNG""" |
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122 | pngdata = print_figure(fig, fmt='retina') | |
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132 | pngdata = print_figure(fig, fmt='retina', **kwargs) | |
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123 | 133 | w, h = _pngxy(pngdata) |
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124 | 134 | metadata = dict(width=w//2, height=h//2) |
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125 | 135 | return pngdata, metadata |
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126 | 136 | |
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127 | 137 | # We need a little factory function here to create the closure where |
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128 | 138 | # safe_execfile can live. |
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129 | 139 | def mpl_runner(safe_execfile): |
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130 | 140 | """Factory to return a matplotlib-enabled runner for %run. |
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131 | 141 | |
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132 | 142 | Parameters |
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133 | 143 | ---------- |
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134 | 144 | safe_execfile : function |
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135 | 145 | This must be a function with the same interface as the |
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136 | 146 | :meth:`safe_execfile` method of IPython. |
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137 | 147 | |
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138 | 148 | Returns |
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139 | 149 | ------- |
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140 | 150 | A function suitable for use as the ``runner`` argument of the %run magic |
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141 | 151 | function. |
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142 | 152 | """ |
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143 | 153 | |
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144 | 154 | def mpl_execfile(fname,*where,**kw): |
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145 | 155 | """matplotlib-aware wrapper around safe_execfile. |
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146 | 156 | |
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147 | 157 | Its interface is identical to that of the :func:`execfile` builtin. |
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148 | 158 | |
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149 | 159 | This is ultimately a call to execfile(), but wrapped in safeties to |
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150 | 160 | properly handle interactive rendering.""" |
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151 | 161 | |
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152 | 162 | import matplotlib |
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153 | 163 | import matplotlib.pylab as pylab |
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154 | 164 | |
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155 | 165 | #print '*** Matplotlib runner ***' # dbg |
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156 | 166 | # turn off rendering until end of script |
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157 | 167 | is_interactive = matplotlib.rcParams['interactive'] |
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158 | 168 | matplotlib.interactive(False) |
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159 | 169 | safe_execfile(fname,*where,**kw) |
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160 | 170 | matplotlib.interactive(is_interactive) |
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161 | 171 | # make rendering call now, if the user tried to do it |
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162 | 172 | if pylab.draw_if_interactive.called: |
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163 | 173 | pylab.draw() |
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164 | 174 | pylab.draw_if_interactive.called = False |
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165 | 175 | |
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166 | 176 | return mpl_execfile |
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167 | 177 | |
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168 | 178 | |
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169 |
def select_figure_formats(shell, formats, |
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179 | def select_figure_formats(shell, formats, **kwargs): | |
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170 | 180 | """Select figure formats for the inline backend. |
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171 | 181 | |
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172 | 182 | Parameters |
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173 | 183 | ========== |
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174 | 184 | shell : InteractiveShell |
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175 | 185 | The main IPython instance. |
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176 |
formats : |
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186 | formats : str or set | |
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177 | 187 | One or a set of figure formats to enable: 'png', 'retina', 'jpeg', 'svg', 'pdf'. |
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178 | quality : int | |
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179 | A percentage for the quality of JPEG figures. | |
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188 | **kwargs : any | |
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189 | Extra keyword arguments to be passed to fig.canvas.print_figure. | |
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180 | 190 | """ |
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181 | 191 | from matplotlib.figure import Figure |
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182 | 192 | from IPython.kernel.zmq.pylab import backend_inline |
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183 | 193 | |
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184 | 194 | svg_formatter = shell.display_formatter.formatters['image/svg+xml'] |
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185 | 195 | png_formatter = shell.display_formatter.formatters['image/png'] |
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186 | 196 | jpg_formatter = shell.display_formatter.formatters['image/jpeg'] |
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187 | 197 | pdf_formatter = shell.display_formatter.formatters['application/pdf'] |
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188 | 198 | |
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189 | 199 | if isinstance(formats, py3compat.string_types): |
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190 | 200 | formats = {formats} |
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201 | # cast in case of list / tuple | |
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202 | formats = set(formats) | |
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191 | 203 | |
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192 |
[ f |
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193 | ||
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194 | for fmt in formats: | |
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195 | if fmt == 'png': | |
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196 | png_formatter.for_type(Figure, lambda fig: print_figure(fig, 'png')) | |
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197 | elif fmt in ('png2x', 'retina'): | |
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198 | png_formatter.for_type(Figure, retina_figure) | |
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199 | elif fmt in ('jpg', 'jpeg'): | |
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200 | jpg_formatter.for_type(Figure, lambda fig: print_figure(fig, 'jpg', quality)) | |
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201 | elif fmt == 'svg': | |
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202 | svg_formatter.for_type(Figure, lambda fig: print_figure(fig, 'svg')) | |
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203 | elif fmt == 'pdf': | |
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204 | pdf_formatter.for_type(Figure, lambda fig: print_figure(fig, 'pdf')) | |
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205 | else: | |
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206 | raise ValueError("supported formats are: 'png', 'retina', 'svg', 'jpg', 'pdf' not %r" % fmt) | |
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204 | [ f.pop(Figure, None) for f in shell.display_formatter.formatters.values() ] | |
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205 | ||
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206 | supported = {'png', 'png2x', 'retina', 'jpg', 'jpeg', 'svg', 'pdf'} | |
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207 | bad = formats.difference(supported) | |
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208 | if bad: | |
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209 | s = "{%s}" % ",".join([repr(f) for f in bad]) | |
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210 | raise ValueError("supported formats are: 'png', 'retina', 'svg', 'jpg', 'pdf' not %s" % s) | |
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211 | ||
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212 | if 'png' in formats: | |
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213 | png_formatter.for_type(Figure, lambda fig: print_figure(fig, 'png', **kwargs)) | |
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214 | if 'retina' in formats or 'png2x' in formats: | |
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215 | png_formatter.for_type(Figure, lambda fig: retina_figure(fig, **kwargs)) | |
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216 | if 'jpg' in formats or 'jpeg' in formats: | |
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217 | jpg_formatter.for_type(Figure, lambda fig: print_figure(fig, 'jpg', **kwargs)) | |
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218 | if 'svg' in formats: | |
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219 | svg_formatter.for_type(Figure, lambda fig: print_figure(fig, 'svg', **kwargs)) | |
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220 | if 'pdf' in formats: | |
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221 | pdf_formatter.for_type(Figure, lambda fig: print_figure(fig, 'pdf', **kwargs)) | |
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207 | 222 | |
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208 | 223 | #----------------------------------------------------------------------------- |
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209 | 224 | # Code for initializing matplotlib and importing pylab |
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210 | 225 | #----------------------------------------------------------------------------- |
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211 | 226 | |
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212 | 227 | |
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213 | 228 | def find_gui_and_backend(gui=None, gui_select=None): |
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214 | 229 | """Given a gui string return the gui and mpl backend. |
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215 | 230 | |
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216 | 231 | Parameters |
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217 | 232 | ---------- |
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218 | 233 | gui : str |
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219 | 234 | Can be one of ('tk','gtk','wx','qt','qt4','inline'). |
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220 | 235 | gui_select : str |
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221 | 236 | Can be one of ('tk','gtk','wx','qt','qt4','inline'). |
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222 | 237 | This is any gui already selected by the shell. |
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223 | 238 | |
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224 | 239 | Returns |
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225 | 240 | ------- |
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226 | 241 | A tuple of (gui, backend) where backend is one of ('TkAgg','GTKAgg', |
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227 | 242 | 'WXAgg','Qt4Agg','module://IPython.kernel.zmq.pylab.backend_inline'). |
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228 | 243 | """ |
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229 | 244 | |
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230 | 245 | import matplotlib |
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231 | 246 | |
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232 | 247 | if gui and gui != 'auto': |
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233 | 248 | # select backend based on requested gui |
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234 | 249 | backend = backends[gui] |
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235 | 250 | else: |
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236 | 251 | # We need to read the backend from the original data structure, *not* |
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237 | 252 | # from mpl.rcParams, since a prior invocation of %matplotlib may have |
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238 | 253 | # overwritten that. |
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239 | 254 | # WARNING: this assumes matplotlib 1.1 or newer!! |
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240 | 255 | backend = matplotlib.rcParamsOrig['backend'] |
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241 | 256 | # In this case, we need to find what the appropriate gui selection call |
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242 | 257 | # should be for IPython, so we can activate inputhook accordingly |
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243 | 258 | gui = backend2gui.get(backend, None) |
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244 | 259 | |
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245 | 260 | # If we have already had a gui active, we need it and inline are the |
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246 | 261 | # ones allowed. |
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247 | 262 | if gui_select and gui != gui_select: |
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248 | 263 | gui = gui_select |
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249 | 264 | backend = backends[gui] |
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250 | 265 | |
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251 | 266 | return gui, backend |
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252 | 267 | |
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253 | 268 | |
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254 | 269 | def activate_matplotlib(backend): |
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255 | 270 | """Activate the given backend and set interactive to True.""" |
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256 | 271 | |
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257 | 272 | import matplotlib |
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258 | 273 | matplotlib.interactive(True) |
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259 | 274 | |
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260 | 275 | # Matplotlib had a bug where even switch_backend could not force |
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261 | 276 | # the rcParam to update. This needs to be set *before* the module |
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262 | 277 | # magic of switch_backend(). |
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263 | 278 | matplotlib.rcParams['backend'] = backend |
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264 | 279 | |
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265 | 280 | import matplotlib.pyplot |
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266 | 281 | matplotlib.pyplot.switch_backend(backend) |
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267 | 282 | |
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268 | 283 | # This must be imported last in the matplotlib series, after |
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269 | 284 | # backend/interactivity choices have been made |
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270 | 285 | import matplotlib.pylab as pylab |
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271 | 286 | |
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272 | 287 | pylab.show._needmain = False |
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273 | 288 | # We need to detect at runtime whether show() is called by the user. |
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274 | 289 | # For this, we wrap it into a decorator which adds a 'called' flag. |
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275 | 290 | pylab.draw_if_interactive = flag_calls(pylab.draw_if_interactive) |
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276 | 291 | |
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277 | 292 | |
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278 | 293 | def import_pylab(user_ns, import_all=True): |
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279 | 294 | """Populate the namespace with pylab-related values. |
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280 | 295 | |
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281 | 296 | Imports matplotlib, pylab, numpy, and everything from pylab and numpy. |
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282 | 297 | |
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283 | 298 | Also imports a few names from IPython (figsize, display, getfigs) |
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284 | 299 | |
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285 | 300 | """ |
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286 | 301 | |
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287 | 302 | # Import numpy as np/pyplot as plt are conventions we're trying to |
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288 | 303 | # somewhat standardize on. Making them available to users by default |
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289 | 304 | # will greatly help this. |
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290 | 305 | s = ("import numpy\n" |
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291 | 306 | "import matplotlib\n" |
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292 | 307 | "from matplotlib import pylab, mlab, pyplot\n" |
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293 | 308 | "np = numpy\n" |
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294 | 309 | "plt = pyplot\n" |
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295 | 310 | ) |
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296 | 311 | exec(s, user_ns) |
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297 | 312 | |
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298 | 313 | if import_all: |
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299 | 314 | s = ("from matplotlib.pylab import *\n" |
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300 | 315 | "from numpy import *\n") |
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301 | 316 | exec(s, user_ns) |
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302 | 317 | |
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303 | 318 | # IPython symbols to add |
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304 | 319 | user_ns['figsize'] = figsize |
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305 | 320 | from IPython.core.display import display |
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306 | 321 | # Add display and getfigs to the user's namespace |
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307 | 322 | user_ns['display'] = display |
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308 | 323 | user_ns['getfigs'] = getfigs |
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309 | 324 | |
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310 | 325 | |
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311 | 326 | def configure_inline_support(shell, backend): |
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312 | 327 | """Configure an IPython shell object for matplotlib use. |
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313 | 328 | |
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314 | 329 | Parameters |
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315 | 330 | ---------- |
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316 | 331 | shell : InteractiveShell instance |
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317 | 332 | |
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318 | 333 | backend : matplotlib backend |
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319 | 334 | """ |
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320 | 335 | # If using our svg payload backend, register the post-execution |
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321 | 336 | # function that will pick up the results for display. This can only be |
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322 | 337 | # done with access to the real shell object. |
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323 | 338 | |
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324 | 339 | # Note: if we can't load the inline backend, then there's no point |
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325 | 340 | # continuing (such as in terminal-only shells in environments without |
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326 | 341 | # zeromq available). |
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327 | 342 | try: |
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328 | 343 | from IPython.kernel.zmq.pylab.backend_inline import InlineBackend |
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329 | 344 | except ImportError: |
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330 | 345 | return |
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331 | 346 | from matplotlib import pyplot |
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332 | 347 | |
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333 | 348 | cfg = InlineBackend.instance(parent=shell) |
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334 | 349 | cfg.shell = shell |
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335 | 350 | if cfg not in shell.configurables: |
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336 | 351 | shell.configurables.append(cfg) |
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337 | 352 | |
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338 | 353 | if backend == backends['inline']: |
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339 | 354 | from IPython.kernel.zmq.pylab.backend_inline import flush_figures |
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340 | 355 | shell.register_post_execute(flush_figures) |
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341 | 356 | |
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342 | 357 | # Save rcParams that will be overwrittern |
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343 | 358 | shell._saved_rcParams = dict() |
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344 | 359 | for k in cfg.rc: |
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345 | 360 | shell._saved_rcParams[k] = pyplot.rcParams[k] |
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346 | 361 | # load inline_rc |
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347 | 362 | pyplot.rcParams.update(cfg.rc) |
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348 | 363 | else: |
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349 | 364 | from IPython.kernel.zmq.pylab.backend_inline import flush_figures |
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350 | 365 | if flush_figures in shell._post_execute: |
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351 | 366 | shell._post_execute.pop(flush_figures) |
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352 | 367 | if hasattr(shell, '_saved_rcParams'): |
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353 | 368 | pyplot.rcParams.update(shell._saved_rcParams) |
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354 | 369 | del shell._saved_rcParams |
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355 | 370 | |
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356 | 371 | # Setup the default figure format |
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357 |
select_figure_formats(shell, cfg.figure_formats, cfg. |
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372 | select_figure_formats(shell, cfg.figure_formats, **cfg.print_figure_kwargs) | |
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358 | 373 |
@@ -1,115 +1,120 b'' | |||
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1 | 1 | """Configurable for configuring the IPython inline backend |
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2 | 2 | |
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3 | 3 | This module does not import anything from matplotlib. |
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4 | 4 | """ |
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5 | 5 | #----------------------------------------------------------------------------- |
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6 | 6 | # Copyright (C) 2011 The IPython Development Team |
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7 | 7 | # |
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8 | 8 | # Distributed under the terms of the BSD License. The full license is in |
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9 | 9 | # the file COPYING, distributed as part of this software. |
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10 | 10 | #----------------------------------------------------------------------------- |
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11 | 11 | |
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12 | 12 | #----------------------------------------------------------------------------- |
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13 | 13 | # Imports |
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14 | 14 | #----------------------------------------------------------------------------- |
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15 | 15 | |
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16 | 16 | from IPython.config.configurable import SingletonConfigurable |
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17 | 17 | from IPython.utils.traitlets import ( |
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18 | 18 | Dict, Instance, CaselessStrEnum, Set, Bool, Int, TraitError, Unicode |
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19 | 19 | ) |
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20 | 20 | from IPython.utils.warn import warn |
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21 | 21 | |
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22 | 22 | #----------------------------------------------------------------------------- |
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23 | 23 | # Configurable for inline backend options |
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24 | 24 | #----------------------------------------------------------------------------- |
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25 | 25 | |
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26 | 26 | def pil_available(): |
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27 | 27 | """Test if PIL/Pillow is available""" |
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28 | 28 | out = False |
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29 | 29 | try: |
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30 | 30 | from PIL import Image |
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31 | 31 | out = True |
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32 | 32 | except: |
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33 | 33 | pass |
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34 | 34 | return out |
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35 | 35 | |
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36 | 36 | # inherit from InlineBackendConfig for deprecation purposes |
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37 | 37 | class InlineBackendConfig(SingletonConfigurable): |
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38 | 38 | pass |
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39 | 39 | |
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40 | 40 | class InlineBackend(InlineBackendConfig): |
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41 | 41 | """An object to store configuration of the inline backend.""" |
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42 | 42 | |
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43 | 43 | def _config_changed(self, name, old, new): |
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44 | 44 | # warn on change of renamed config section |
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45 | 45 | if new.InlineBackendConfig != old.InlineBackendConfig: |
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46 | 46 | warn("InlineBackendConfig has been renamed to InlineBackend") |
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47 | 47 | super(InlineBackend, self)._config_changed(name, old, new) |
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48 | 48 | |
|
49 | 49 | # The typical default figure size is too large for inline use, |
|
50 | 50 | # so we shrink the figure size to 6x4, and tweak fonts to |
|
51 | 51 | # make that fit. |
|
52 | 52 | rc = Dict({'figure.figsize': (6.0,4.0), |
|
53 | 53 | # play nicely with white background in the Qt and notebook frontend |
|
54 | 54 | 'figure.facecolor': (1,1,1,0), |
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55 | 55 | 'figure.edgecolor': (1,1,1,0), |
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56 | 56 | # 12pt labels get cutoff on 6x4 logplots, so use 10pt. |
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57 | 57 | 'font.size': 10, |
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58 | 58 | # 72 dpi matches SVG/qtconsole |
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59 | 59 | # this only affects PNG export, as SVG has no dpi setting |
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60 | 60 | 'savefig.dpi': 72, |
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61 | 61 | # 10pt still needs a little more room on the xlabel: |
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62 | 62 | 'figure.subplot.bottom' : .125 |
|
63 | 63 | }, config=True, |
|
64 | 64 | help="""Subset of matplotlib rcParams that should be different for the |
|
65 | 65 | inline backend.""" |
|
66 | 66 | ) |
|
67 | 67 | |
|
68 | 68 | figure_formats = Set({'png'}, config=True, |
|
69 | 69 | help="""A set of figure formats to enable: 'png', |
|
70 | 70 | 'retina', 'jpeg', 'svg', 'pdf'.""") |
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71 | 71 | |
|
72 | def _update_figure_formatters(self): | |
|
73 | if self.shell is not None: | |
|
74 | select_figure_formats(self.shell, self.figure_formats, **self.print_figure_kwargs) | |
|
75 | ||
|
72 | 76 | def _figure_formats_changed(self, name, old, new): |
|
73 | 77 | from IPython.core.pylabtools import select_figure_formats |
|
74 | 78 | if 'jpg' in new or 'jpeg' in new: |
|
75 | 79 | if not pil_available(): |
|
76 | 80 | raise TraitError("Requires PIL/Pillow for JPG figures") |
|
77 | 81 | if self.shell is None: |
|
78 | 82 | return |
|
79 | 83 | else: |
|
80 |
|
|
|
84 | self._update_figure_formatters() | |
|
81 | 85 | |
|
82 | 86 | figure_format = Unicode(config=True, help="""The figure format to enable (deprecated |
|
83 | 87 | use `figure_formats` instead)""") |
|
84 | 88 | |
|
85 | 89 | def _figure_format_changed(self, name, old, new): |
|
86 | 90 | if new: |
|
87 | 91 | self.figure_formats = {new} |
|
88 | 92 | |
|
89 | quality = Int(default_value=90, config=True, | |
|
90 | help="Quality of compression [10-100], currently for lossy JPEG only.") | |
|
91 | ||
|
92 | def _quality_changed(self, name, old, new): | |
|
93 | if new < 10 or new > 100: | |
|
94 | raise TraitError("figure JPEG quality must be in [10-100] range.") | |
|
93 | print_figure_kwargs = Dict({'bbox_inches' : 'tight'}, config=True, | |
|
94 | help="""Extra kwargs to be passed to fig.canvas.print_figure. | |
|
95 | ||
|
96 | Logical examples include: bbox_inches, quality (for jpeg figures), etc. | |
|
97 | """ | |
|
98 | ) | |
|
99 | _print_figure_kwargs_changed = _update_figure_formatters | |
|
95 | 100 | |
|
96 | 101 | close_figures = Bool(True, config=True, |
|
97 | 102 | help="""Close all figures at the end of each cell. |
|
98 | 103 | |
|
99 | 104 | When True, ensures that each cell starts with no active figures, but it |
|
100 | 105 | also means that one must keep track of references in order to edit or |
|
101 | 106 | redraw figures in subsequent cells. This mode is ideal for the notebook, |
|
102 | 107 | where residual plots from other cells might be surprising. |
|
103 | 108 | |
|
104 | 109 | When False, one must call figure() to create new figures. This means |
|
105 | 110 | that gcf() and getfigs() can reference figures created in other cells, |
|
106 | 111 | and the active figure can continue to be edited with pylab/pyplot |
|
107 | 112 | methods that reference the current active figure. This mode facilitates |
|
108 | 113 | iterative editing of figures, and behaves most consistently with |
|
109 | 114 | other matplotlib backends, but figure barriers between cells must |
|
110 | 115 | be explicit. |
|
111 | 116 | """) |
|
112 | ||
|
117 | ||
|
113 | 118 | shell = Instance('IPython.core.interactiveshell.InteractiveShellABC') |
|
114 | 119 | |
|
115 | 120 |
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