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@@ -1,556 +1,551 b'' | |||||
1 | """ A FrontendWidget that emulates the interface of the console IPython and |
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1 | """ A FrontendWidget that emulates the interface of the console IPython and | |
2 | supports the additional functionality provided by the IPython kernel. |
|
2 | supports the additional functionality provided by the IPython kernel. | |
3 | """ |
|
3 | """ | |
4 |
|
4 | |||
5 | #----------------------------------------------------------------------------- |
|
5 | #----------------------------------------------------------------------------- | |
6 | # Imports |
|
6 | # Imports | |
7 | #----------------------------------------------------------------------------- |
|
7 | #----------------------------------------------------------------------------- | |
8 |
|
8 | |||
9 | # Standard library imports |
|
9 | # Standard library imports | |
10 | from collections import namedtuple |
|
10 | from collections import namedtuple | |
11 | import os.path |
|
11 | import os.path | |
12 | import re |
|
12 | import re | |
13 | from subprocess import Popen |
|
13 | from subprocess import Popen | |
14 | import sys |
|
14 | import sys | |
15 | import time |
|
15 | import time | |
16 | from textwrap import dedent |
|
16 | from textwrap import dedent | |
17 |
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17 | |||
18 | # System library imports |
|
18 | # System library imports | |
19 | from IPython.external.qt import QtCore, QtGui |
|
19 | from IPython.external.qt import QtCore, QtGui | |
20 |
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20 | |||
21 | # Local imports |
|
21 | # Local imports | |
22 | from IPython.core.inputsplitter import IPythonInputSplitter, \ |
|
22 | from IPython.core.inputsplitter import IPythonInputSplitter, \ | |
23 | transform_ipy_prompt |
|
23 | transform_ipy_prompt | |
24 | from IPython.utils.traitlets import Bool, Unicode |
|
24 | from IPython.utils.traitlets import Bool, Unicode | |
25 | from frontend_widget import FrontendWidget |
|
25 | from frontend_widget import FrontendWidget | |
26 | import styles |
|
26 | import styles | |
27 |
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27 | |||
28 | #----------------------------------------------------------------------------- |
|
28 | #----------------------------------------------------------------------------- | |
29 | # Constants |
|
29 | # Constants | |
30 | #----------------------------------------------------------------------------- |
|
30 | #----------------------------------------------------------------------------- | |
31 |
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31 | |||
32 | # Default strings to build and display input and output prompts (and separators |
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32 | # Default strings to build and display input and output prompts (and separators | |
33 | # in between) |
|
33 | # in between) | |
34 | default_in_prompt = 'In [<span class="in-prompt-number">%i</span>]: ' |
|
34 | default_in_prompt = 'In [<span class="in-prompt-number">%i</span>]: ' | |
35 | default_out_prompt = 'Out[<span class="out-prompt-number">%i</span>]: ' |
|
35 | default_out_prompt = 'Out[<span class="out-prompt-number">%i</span>]: ' | |
36 | default_input_sep = '\n' |
|
36 | default_input_sep = '\n' | |
37 | default_output_sep = '' |
|
37 | default_output_sep = '' | |
38 | default_output_sep2 = '' |
|
38 | default_output_sep2 = '' | |
39 |
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39 | |||
40 | # Base path for most payload sources. |
|
40 | # Base path for most payload sources. | |
41 | zmq_shell_source = 'IPython.zmq.zmqshell.ZMQInteractiveShell' |
|
41 | zmq_shell_source = 'IPython.zmq.zmqshell.ZMQInteractiveShell' | |
42 |
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42 | |||
43 | if sys.platform.startswith('win'): |
|
43 | if sys.platform.startswith('win'): | |
44 | default_editor = 'notepad' |
|
44 | default_editor = 'notepad' | |
45 | else: |
|
45 | else: | |
46 | default_editor = '' |
|
46 | default_editor = '' | |
47 |
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47 | |||
48 | #----------------------------------------------------------------------------- |
|
48 | #----------------------------------------------------------------------------- | |
49 | # IPythonWidget class |
|
49 | # IPythonWidget class | |
50 | #----------------------------------------------------------------------------- |
|
50 | #----------------------------------------------------------------------------- | |
51 |
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51 | |||
52 | class IPythonWidget(FrontendWidget): |
|
52 | class IPythonWidget(FrontendWidget): | |
53 | """ A FrontendWidget for an IPython kernel. |
|
53 | """ A FrontendWidget for an IPython kernel. | |
54 | """ |
|
54 | """ | |
55 |
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55 | |||
56 | # If set, the 'custom_edit_requested(str, int)' signal will be emitted when |
|
56 | # If set, the 'custom_edit_requested(str, int)' signal will be emitted when | |
57 | # an editor is needed for a file. This overrides 'editor' and 'editor_line' |
|
57 | # an editor is needed for a file. This overrides 'editor' and 'editor_line' | |
58 | # settings. |
|
58 | # settings. | |
59 | custom_edit = Bool(False) |
|
59 | custom_edit = Bool(False) | |
60 | custom_edit_requested = QtCore.Signal(object, object) |
|
60 | custom_edit_requested = QtCore.Signal(object, object) | |
61 |
|
61 | |||
62 | editor = Unicode(default_editor, config=True, |
|
62 | editor = Unicode(default_editor, config=True, | |
63 | help=""" |
|
63 | help=""" | |
64 | A command for invoking a system text editor. If the string contains a |
|
64 | A command for invoking a system text editor. If the string contains a | |
65 | {filename} format specifier, it will be used. Otherwise, the filename |
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65 | {filename} format specifier, it will be used. Otherwise, the filename | |
66 | will be appended to the end the command. |
|
66 | will be appended to the end the command. | |
67 | """) |
|
67 | """) | |
68 |
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68 | |||
69 | editor_line = Unicode(config=True, |
|
69 | editor_line = Unicode(config=True, | |
70 | help=""" |
|
70 | help=""" | |
71 | The editor command to use when a specific line number is requested. The |
|
71 | The editor command to use when a specific line number is requested. The | |
72 | string should contain two format specifiers: {line} and {filename}. If |
|
72 | string should contain two format specifiers: {line} and {filename}. If | |
73 | this parameter is not specified, the line number option to the %edit |
|
73 | this parameter is not specified, the line number option to the %edit | |
74 | magic will be ignored. |
|
74 | magic will be ignored. | |
75 | """) |
|
75 | """) | |
76 |
|
76 | |||
77 | style_sheet = Unicode(config=True, |
|
77 | style_sheet = Unicode(config=True, | |
78 | help=""" |
|
78 | help=""" | |
79 | A CSS stylesheet. The stylesheet can contain classes for: |
|
79 | A CSS stylesheet. The stylesheet can contain classes for: | |
80 | 1. Qt: QPlainTextEdit, QFrame, QWidget, etc |
|
80 | 1. Qt: QPlainTextEdit, QFrame, QWidget, etc | |
81 | 2. Pygments: .c, .k, .o, etc. (see PygmentsHighlighter) |
|
81 | 2. Pygments: .c, .k, .o, etc. (see PygmentsHighlighter) | |
82 | 3. IPython: .error, .in-prompt, .out-prompt, etc |
|
82 | 3. IPython: .error, .in-prompt, .out-prompt, etc | |
83 | """) |
|
83 | """) | |
84 |
|
84 | |||
85 | syntax_style = Unicode(config=True, |
|
85 | syntax_style = Unicode(config=True, | |
86 | help=""" |
|
86 | help=""" | |
87 | If not empty, use this Pygments style for syntax highlighting. |
|
87 | If not empty, use this Pygments style for syntax highlighting. | |
88 | Otherwise, the style sheet is queried for Pygments style |
|
88 | Otherwise, the style sheet is queried for Pygments style | |
89 | information. |
|
89 | information. | |
90 | """) |
|
90 | """) | |
91 |
|
91 | |||
92 | # Prompts. |
|
92 | # Prompts. | |
93 | in_prompt = Unicode(default_in_prompt, config=True) |
|
93 | in_prompt = Unicode(default_in_prompt, config=True) | |
94 | out_prompt = Unicode(default_out_prompt, config=True) |
|
94 | out_prompt = Unicode(default_out_prompt, config=True) | |
95 | input_sep = Unicode(default_input_sep, config=True) |
|
95 | input_sep = Unicode(default_input_sep, config=True) | |
96 | output_sep = Unicode(default_output_sep, config=True) |
|
96 | output_sep = Unicode(default_output_sep, config=True) | |
97 | output_sep2 = Unicode(default_output_sep2, config=True) |
|
97 | output_sep2 = Unicode(default_output_sep2, config=True) | |
98 |
|
98 | |||
99 | # FrontendWidget protected class variables. |
|
99 | # FrontendWidget protected class variables. | |
100 | _input_splitter_class = IPythonInputSplitter |
|
100 | _input_splitter_class = IPythonInputSplitter | |
101 | _transform_prompt = staticmethod(transform_ipy_prompt) |
|
101 | _transform_prompt = staticmethod(transform_ipy_prompt) | |
102 |
|
102 | |||
103 | # IPythonWidget protected class variables. |
|
103 | # IPythonWidget protected class variables. | |
104 | _PromptBlock = namedtuple('_PromptBlock', ['block', 'length', 'number']) |
|
104 | _PromptBlock = namedtuple('_PromptBlock', ['block', 'length', 'number']) | |
105 | _payload_source_edit = zmq_shell_source + '.edit_magic' |
|
105 | _payload_source_edit = zmq_shell_source + '.edit_magic' | |
106 | _payload_source_exit = zmq_shell_source + '.ask_exit' |
|
106 | _payload_source_exit = zmq_shell_source + '.ask_exit' | |
107 | _payload_source_next_input = zmq_shell_source + '.set_next_input' |
|
107 | _payload_source_next_input = zmq_shell_source + '.set_next_input' | |
108 | _payload_source_page = 'IPython.zmq.page.page' |
|
108 | _payload_source_page = 'IPython.zmq.page.page' | |
109 | _retrying_history_request = False |
|
109 | _retrying_history_request = False | |
110 |
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110 | |||
111 | #--------------------------------------------------------------------------- |
|
111 | #--------------------------------------------------------------------------- | |
112 | # 'object' interface |
|
112 | # 'object' interface | |
113 | #--------------------------------------------------------------------------- |
|
113 | #--------------------------------------------------------------------------- | |
114 |
|
114 | |||
115 | def __init__(self, *args, **kw): |
|
115 | def __init__(self, *args, **kw): | |
116 | super(IPythonWidget, self).__init__(*args, **kw) |
|
116 | super(IPythonWidget, self).__init__(*args, **kw) | |
117 |
|
117 | |||
118 | # IPythonWidget protected variables. |
|
118 | # IPythonWidget protected variables. | |
119 | self._payload_handlers = { |
|
119 | self._payload_handlers = { | |
120 | self._payload_source_edit : self._handle_payload_edit, |
|
120 | self._payload_source_edit : self._handle_payload_edit, | |
121 | self._payload_source_exit : self._handle_payload_exit, |
|
121 | self._payload_source_exit : self._handle_payload_exit, | |
122 | self._payload_source_page : self._handle_payload_page, |
|
122 | self._payload_source_page : self._handle_payload_page, | |
123 | self._payload_source_next_input : self._handle_payload_next_input } |
|
123 | self._payload_source_next_input : self._handle_payload_next_input } | |
124 | self._previous_prompt_obj = None |
|
124 | self._previous_prompt_obj = None | |
125 | self._keep_kernel_on_exit = None |
|
125 | self._keep_kernel_on_exit = None | |
126 |
|
126 | |||
127 | # Initialize widget styling. |
|
127 | # Initialize widget styling. | |
128 | if self.style_sheet: |
|
128 | if self.style_sheet: | |
129 | self._style_sheet_changed() |
|
129 | self._style_sheet_changed() | |
130 | self._syntax_style_changed() |
|
130 | self._syntax_style_changed() | |
131 | else: |
|
131 | else: | |
132 | self.set_default_style() |
|
132 | self.set_default_style() | |
133 |
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133 | |||
134 | #--------------------------------------------------------------------------- |
|
134 | #--------------------------------------------------------------------------- | |
135 | # 'BaseFrontendMixin' abstract interface |
|
135 | # 'BaseFrontendMixin' abstract interface | |
136 | #--------------------------------------------------------------------------- |
|
136 | #--------------------------------------------------------------------------- | |
137 |
|
137 | |||
138 | def _handle_complete_reply(self, rep): |
|
138 | def _handle_complete_reply(self, rep): | |
139 | """ Reimplemented to support IPython's improved completion machinery. |
|
139 | """ Reimplemented to support IPython's improved completion machinery. | |
140 | """ |
|
140 | """ | |
141 | self.log.debug("complete: %s", rep.get('content', '')) |
|
141 | self.log.debug("complete: %s", rep.get('content', '')) | |
142 | cursor = self._get_cursor() |
|
142 | cursor = self._get_cursor() | |
143 | info = self._request_info.get('complete') |
|
143 | info = self._request_info.get('complete') | |
144 | if info and info.id == rep['parent_header']['msg_id'] and \ |
|
144 | if info and info.id == rep['parent_header']['msg_id'] and \ | |
145 | info.pos == cursor.position(): |
|
145 | info.pos == cursor.position(): | |
146 | matches = rep['content']['matches'] |
|
146 | matches = rep['content']['matches'] | |
147 | text = rep['content']['matched_text'] |
|
147 | text = rep['content']['matched_text'] | |
148 | offset = len(text) |
|
148 | offset = len(text) | |
149 |
|
149 | |||
150 | # Clean up matches with period and path separators if the matched |
|
150 | # Clean up matches with period and path separators if the matched | |
151 | # text has not been transformed. This is done by truncating all |
|
151 | # text has not been transformed. This is done by truncating all | |
152 | # but the last component and then suitably decreasing the offset |
|
152 | # but the last component and then suitably decreasing the offset | |
153 | # between the current cursor position and the start of completion. |
|
153 | # between the current cursor position and the start of completion. | |
154 | if len(matches) > 1 and matches[0][:offset] == text: |
|
154 | if len(matches) > 1 and matches[0][:offset] == text: | |
155 | parts = re.split(r'[./\\]', text) |
|
155 | parts = re.split(r'[./\\]', text) | |
156 | sep_count = len(parts) - 1 |
|
156 | sep_count = len(parts) - 1 | |
157 | if sep_count: |
|
157 | if sep_count: | |
158 | chop_length = sum(map(len, parts[:sep_count])) + sep_count |
|
158 | chop_length = sum(map(len, parts[:sep_count])) + sep_count | |
159 | matches = [ match[chop_length:] for match in matches ] |
|
159 | matches = [ match[chop_length:] for match in matches ] | |
160 | offset -= chop_length |
|
160 | offset -= chop_length | |
161 |
|
161 | |||
162 | # Move the cursor to the start of the match and complete. |
|
162 | # Move the cursor to the start of the match and complete. | |
163 | cursor.movePosition(QtGui.QTextCursor.Left, n=offset) |
|
163 | cursor.movePosition(QtGui.QTextCursor.Left, n=offset) | |
164 | self._complete_with_items(cursor, matches) |
|
164 | self._complete_with_items(cursor, matches) | |
165 |
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165 | |||
166 | def _handle_execute_reply(self, msg): |
|
166 | def _handle_execute_reply(self, msg): | |
167 | """ Reimplemented to support prompt requests. |
|
167 | """ Reimplemented to support prompt requests. | |
168 | """ |
|
168 | """ | |
169 | msg_id = msg['parent_header'].get('msg_id') |
|
169 | msg_id = msg['parent_header'].get('msg_id') | |
170 | info = self._request_info['execute'].get(msg_id) |
|
170 | info = self._request_info['execute'].get(msg_id) | |
171 | if info and info.kind == 'prompt': |
|
171 | if info and info.kind == 'prompt': | |
172 | number = msg['content']['execution_count'] + 1 |
|
172 | number = msg['content']['execution_count'] + 1 | |
173 | self._show_interpreter_prompt(number) |
|
173 | self._show_interpreter_prompt(number) | |
174 | self._request_info['execute'].pop(msg_id) |
|
174 | self._request_info['execute'].pop(msg_id) | |
175 | else: |
|
175 | else: | |
176 | super(IPythonWidget, self)._handle_execute_reply(msg) |
|
176 | super(IPythonWidget, self)._handle_execute_reply(msg) | |
177 |
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177 | |||
178 | def _handle_history_reply(self, msg): |
|
178 | def _handle_history_reply(self, msg): | |
179 | """ Implemented to handle history tail replies, which are only supported |
|
179 | """ Implemented to handle history tail replies, which are only supported | |
180 | by the IPython kernel. |
|
180 | by the IPython kernel. | |
181 | """ |
|
181 | """ | |
182 | self.log.debug("history: %s", msg.get('content', '')) |
|
182 | self.log.debug("history: %s", msg.get('content', '')) | |
183 | content = msg['content'] |
|
183 | content = msg['content'] | |
184 | if 'history' not in content: |
|
184 | if 'history' not in content: | |
185 | self.log.error("History request failed: %r"%content) |
|
185 | self.log.error("History request failed: %r"%content) | |
186 | if content.get('status', '') == 'aborted' and \ |
|
186 | if content.get('status', '') == 'aborted' and \ | |
187 | not self._retrying_history_request: |
|
187 | not self._retrying_history_request: | |
188 | # a *different* action caused this request to be aborted, so |
|
188 | # a *different* action caused this request to be aborted, so | |
189 | # we should try again. |
|
189 | # we should try again. | |
190 | self.log.error("Retrying aborted history request") |
|
190 | self.log.error("Retrying aborted history request") | |
191 | # prevent multiple retries of aborted requests: |
|
191 | # prevent multiple retries of aborted requests: | |
192 | self._retrying_history_request = True |
|
192 | self._retrying_history_request = True | |
193 | # wait out the kernel's queue flush, which is currently timed at 0.1s |
|
193 | # wait out the kernel's queue flush, which is currently timed at 0.1s | |
194 | time.sleep(0.25) |
|
194 | time.sleep(0.25) | |
195 | self.kernel_manager.shell_channel.history(hist_access_type='tail',n=1000) |
|
195 | self.kernel_manager.shell_channel.history(hist_access_type='tail',n=1000) | |
196 | else: |
|
196 | else: | |
197 | self._retrying_history_request = False |
|
197 | self._retrying_history_request = False | |
198 | return |
|
198 | return | |
199 | # reset retry flag |
|
199 | # reset retry flag | |
200 | self._retrying_history_request = False |
|
200 | self._retrying_history_request = False | |
201 | history_items = content['history'] |
|
201 | history_items = content['history'] | |
202 | items = [] |
|
202 | items = [] | |
203 | last_cell = u"" |
|
203 | last_cell = u"" | |
204 | for _, _, cell in history_items: |
|
204 | for _, _, cell in history_items: | |
205 | cell = cell.rstrip() |
|
205 | cell = cell.rstrip() | |
206 | if cell != last_cell: |
|
206 | if cell != last_cell: | |
207 | items.append(cell) |
|
207 | items.append(cell) | |
208 | last_cell = cell |
|
208 | last_cell = cell | |
209 | self._set_history(items) |
|
209 | self._set_history(items) | |
210 |
|
210 | |||
211 | def _handle_pyout(self, msg): |
|
211 | def _handle_pyout(self, msg): | |
212 | """ Reimplemented for IPython-style "display hook". |
|
212 | """ Reimplemented for IPython-style "display hook". | |
213 | """ |
|
213 | """ | |
214 | self.log.debug("pyout: %s", msg.get('content', '')) |
|
214 | self.log.debug("pyout: %s", msg.get('content', '')) | |
215 | if not self._hidden and self._is_from_this_session(msg): |
|
215 | if not self._hidden and self._is_from_this_session(msg): | |
216 | content = msg['content'] |
|
216 | content = msg['content'] | |
217 | prompt_number = content['execution_count'] |
|
217 | prompt_number = content['execution_count'] | |
218 | data = content['data'] |
|
218 | data = content['data'] | |
219 | if data.has_key('text/html'): |
|
219 | if data.has_key('text/html'): | |
220 | self._append_plain_text(self.output_sep, True) |
|
220 | self._append_plain_text(self.output_sep, True) | |
221 | self._append_html(self._make_out_prompt(prompt_number), True) |
|
221 | self._append_html(self._make_out_prompt(prompt_number), True) | |
222 | html = data['text/html'] |
|
222 | html = data['text/html'] | |
223 | self._append_plain_text('\n', True) |
|
223 | self._append_plain_text('\n', True) | |
224 | self._append_html(html + self.output_sep2, True) |
|
224 | self._append_html(html + self.output_sep2, True) | |
225 | elif data.has_key('text/plain'): |
|
225 | elif data.has_key('text/plain'): | |
226 | self._append_plain_text(self.output_sep, True) |
|
226 | self._append_plain_text(self.output_sep, True) | |
227 | self._append_html(self._make_out_prompt(prompt_number), True) |
|
227 | self._append_html(self._make_out_prompt(prompt_number), True) | |
228 | text = data['text/plain'] |
|
228 | text = data['text/plain'] | |
229 | # If the repr is multiline, make sure we start on a new line, |
|
229 | # If the repr is multiline, make sure we start on a new line, | |
230 | # so that its lines are aligned. |
|
230 | # so that its lines are aligned. | |
231 | if "\n" in text and not self.output_sep.endswith("\n"): |
|
231 | if "\n" in text and not self.output_sep.endswith("\n"): | |
232 | self._append_plain_text('\n', True) |
|
232 | self._append_plain_text('\n', True) | |
233 | self._append_plain_text(text + self.output_sep2, True) |
|
233 | self._append_plain_text(text + self.output_sep2, True) | |
234 |
|
234 | |||
235 | def _handle_display_data(self, msg): |
|
235 | def _handle_display_data(self, msg): | |
236 | """ The base handler for the ``display_data`` message. |
|
236 | """ The base handler for the ``display_data`` message. | |
237 | """ |
|
237 | """ | |
238 | self.log.debug("display: %s", msg.get('content', '')) |
|
238 | self.log.debug("display: %s", msg.get('content', '')) | |
239 | # For now, we don't display data from other frontends, but we |
|
239 | # For now, we don't display data from other frontends, but we | |
240 | # eventually will as this allows all frontends to monitor the display |
|
240 | # eventually will as this allows all frontends to monitor the display | |
241 | # data. But we need to figure out how to handle this in the GUI. |
|
241 | # data. But we need to figure out how to handle this in the GUI. | |
242 | if not self._hidden and self._is_from_this_session(msg): |
|
242 | if not self._hidden and self._is_from_this_session(msg): | |
243 | source = msg['content']['source'] |
|
243 | source = msg['content']['source'] | |
244 | data = msg['content']['data'] |
|
244 | data = msg['content']['data'] | |
245 | metadata = msg['content']['metadata'] |
|
245 | metadata = msg['content']['metadata'] | |
246 | # In the regular IPythonWidget, we simply print the plain text |
|
246 | # In the regular IPythonWidget, we simply print the plain text | |
247 | # representation. |
|
247 | # representation. | |
248 | if data.has_key('text/html'): |
|
248 | if data.has_key('text/html'): | |
249 | html = data['text/html'] |
|
249 | html = data['text/html'] | |
250 | self._append_html(html, True) |
|
250 | self._append_html(html, True) | |
251 | elif data.has_key('text/plain'): |
|
251 | elif data.has_key('text/plain'): | |
252 | text = data['text/plain'] |
|
252 | text = data['text/plain'] | |
253 | self._append_plain_text(text, True) |
|
253 | self._append_plain_text(text, True) | |
254 | # This newline seems to be needed for text and html output. |
|
254 | # This newline seems to be needed for text and html output. | |
255 | self._append_plain_text(u'\n', True) |
|
255 | self._append_plain_text(u'\n', True) | |
256 |
|
256 | |||
257 | def _started_channels(self): |
|
257 | def _started_channels(self): | |
258 | """ Reimplemented to make a history request. |
|
258 | """ Reimplemented to make a history request. | |
259 | """ |
|
259 | """ | |
260 | super(IPythonWidget, self)._started_channels() |
|
260 | super(IPythonWidget, self)._started_channels() | |
261 | self.kernel_manager.shell_channel.history(hist_access_type='tail', |
|
261 | self.kernel_manager.shell_channel.history(hist_access_type='tail', | |
262 | n=1000) |
|
262 | n=1000) | |
263 | #--------------------------------------------------------------------------- |
|
263 | #--------------------------------------------------------------------------- | |
264 | # 'ConsoleWidget' public interface |
|
264 | # 'ConsoleWidget' public interface | |
265 | #--------------------------------------------------------------------------- |
|
265 | #--------------------------------------------------------------------------- | |
266 |
|
266 | |||
267 | #--------------------------------------------------------------------------- |
|
267 | #--------------------------------------------------------------------------- | |
268 | # 'FrontendWidget' public interface |
|
268 | # 'FrontendWidget' public interface | |
269 | #--------------------------------------------------------------------------- |
|
269 | #--------------------------------------------------------------------------- | |
270 |
|
270 | |||
271 | def execute_file(self, path, hidden=False): |
|
271 | def execute_file(self, path, hidden=False): | |
272 | """ Reimplemented to use the 'run' magic. |
|
272 | """ Reimplemented to use the 'run' magic. | |
273 | """ |
|
273 | """ | |
274 | # Use forward slashes on Windows to avoid escaping each separator. |
|
274 | # Use forward slashes on Windows to avoid escaping each separator. | |
275 | if sys.platform == 'win32': |
|
275 | if sys.platform == 'win32': | |
276 | path = os.path.normpath(path).replace('\\', '/') |
|
276 | path = os.path.normpath(path).replace('\\', '/') | |
277 |
|
277 | |||
278 | # Perhaps we should not be using %run directly, but while we |
|
278 | # Perhaps we should not be using %run directly, but while we | |
279 | # are, it is necessary to quote or escape filenames containing spaces |
|
279 | # are, it is necessary to quote or escape filenames containing spaces | |
280 | # or quotes. As much as possible, we quote: more readable than escape. |
|
280 | # or quotes. Note that in this context, because run uses posix | |
281 | if '"' in path: |
|
281 | # parsing, we can escape double quotes in a double quoted filename, | |
|
282 | # but can't escape singe quotes in a single quoted filename. | |||
282 |
|
|
283 | if "'" in path: | |
283 | # In this case, because %run 'a\'b"c.py' fails, we must escape |
|
284 | path = '"%s"' % path.replace('"', '\\"') | |
284 | # all quotes and spaces. |
|
285 | elif ' ' in path or '"' in path: | |
285 | for c in '" \'': |
|
|||
286 | path = path.replace(c, '\\'+c) |
|
|||
287 | else: |
|
|||
288 |
|
|
286 | path = "'%s'" % path | |
289 | elif ' ' in path or "'" in path: |
|
|||
290 | path = '"%s"' % path |
|
|||
291 |
|
||||
292 | self.execute('%%run %s' % path, hidden=hidden) |
|
287 | self.execute('%%run %s' % path, hidden=hidden) | |
293 |
|
288 | |||
294 | #--------------------------------------------------------------------------- |
|
289 | #--------------------------------------------------------------------------- | |
295 | # 'FrontendWidget' protected interface |
|
290 | # 'FrontendWidget' protected interface | |
296 | #--------------------------------------------------------------------------- |
|
291 | #--------------------------------------------------------------------------- | |
297 |
|
292 | |||
298 | def _complete(self): |
|
293 | def _complete(self): | |
299 | """ Reimplemented to support IPython's improved completion machinery. |
|
294 | """ Reimplemented to support IPython's improved completion machinery. | |
300 | """ |
|
295 | """ | |
301 | # We let the kernel split the input line, so we *always* send an empty |
|
296 | # We let the kernel split the input line, so we *always* send an empty | |
302 | # text field. Readline-based frontends do get a real text field which |
|
297 | # text field. Readline-based frontends do get a real text field which | |
303 | # they can use. |
|
298 | # they can use. | |
304 | text = '' |
|
299 | text = '' | |
305 |
|
300 | |||
306 | # Send the completion request to the kernel |
|
301 | # Send the completion request to the kernel | |
307 | msg_id = self.kernel_manager.shell_channel.complete( |
|
302 | msg_id = self.kernel_manager.shell_channel.complete( | |
308 | text, # text |
|
303 | text, # text | |
309 | self._get_input_buffer_cursor_line(), # line |
|
304 | self._get_input_buffer_cursor_line(), # line | |
310 | self._get_input_buffer_cursor_column(), # cursor_pos |
|
305 | self._get_input_buffer_cursor_column(), # cursor_pos | |
311 | self.input_buffer) # block |
|
306 | self.input_buffer) # block | |
312 | pos = self._get_cursor().position() |
|
307 | pos = self._get_cursor().position() | |
313 | info = self._CompletionRequest(msg_id, pos) |
|
308 | info = self._CompletionRequest(msg_id, pos) | |
314 | self._request_info['complete'] = info |
|
309 | self._request_info['complete'] = info | |
315 |
|
310 | |||
316 | def _process_execute_error(self, msg): |
|
311 | def _process_execute_error(self, msg): | |
317 | """ Reimplemented for IPython-style traceback formatting. |
|
312 | """ Reimplemented for IPython-style traceback formatting. | |
318 | """ |
|
313 | """ | |
319 | content = msg['content'] |
|
314 | content = msg['content'] | |
320 | traceback = '\n'.join(content['traceback']) + '\n' |
|
315 | traceback = '\n'.join(content['traceback']) + '\n' | |
321 | if False: |
|
316 | if False: | |
322 | # FIXME: For now, tracebacks come as plain text, so we can't use |
|
317 | # FIXME: For now, tracebacks come as plain text, so we can't use | |
323 | # the html renderer yet. Once we refactor ultratb to produce |
|
318 | # the html renderer yet. Once we refactor ultratb to produce | |
324 | # properly styled tracebacks, this branch should be the default |
|
319 | # properly styled tracebacks, this branch should be the default | |
325 | traceback = traceback.replace(' ', ' ') |
|
320 | traceback = traceback.replace(' ', ' ') | |
326 | traceback = traceback.replace('\n', '<br/>') |
|
321 | traceback = traceback.replace('\n', '<br/>') | |
327 |
|
322 | |||
328 | ename = content['ename'] |
|
323 | ename = content['ename'] | |
329 | ename_styled = '<span class="error">%s</span>' % ename |
|
324 | ename_styled = '<span class="error">%s</span>' % ename | |
330 | traceback = traceback.replace(ename, ename_styled) |
|
325 | traceback = traceback.replace(ename, ename_styled) | |
331 |
|
326 | |||
332 | self._append_html(traceback) |
|
327 | self._append_html(traceback) | |
333 | else: |
|
328 | else: | |
334 | # This is the fallback for now, using plain text with ansi escapes |
|
329 | # This is the fallback for now, using plain text with ansi escapes | |
335 | self._append_plain_text(traceback) |
|
330 | self._append_plain_text(traceback) | |
336 |
|
331 | |||
337 | def _process_execute_payload(self, item): |
|
332 | def _process_execute_payload(self, item): | |
338 | """ Reimplemented to dispatch payloads to handler methods. |
|
333 | """ Reimplemented to dispatch payloads to handler methods. | |
339 | """ |
|
334 | """ | |
340 | handler = self._payload_handlers.get(item['source']) |
|
335 | handler = self._payload_handlers.get(item['source']) | |
341 | if handler is None: |
|
336 | if handler is None: | |
342 | # We have no handler for this type of payload, simply ignore it |
|
337 | # We have no handler for this type of payload, simply ignore it | |
343 | return False |
|
338 | return False | |
344 | else: |
|
339 | else: | |
345 | handler(item) |
|
340 | handler(item) | |
346 | return True |
|
341 | return True | |
347 |
|
342 | |||
348 | def _show_interpreter_prompt(self, number=None): |
|
343 | def _show_interpreter_prompt(self, number=None): | |
349 | """ Reimplemented for IPython-style prompts. |
|
344 | """ Reimplemented for IPython-style prompts. | |
350 | """ |
|
345 | """ | |
351 | # If a number was not specified, make a prompt number request. |
|
346 | # If a number was not specified, make a prompt number request. | |
352 | if number is None: |
|
347 | if number is None: | |
353 | msg_id = self.kernel_manager.shell_channel.execute('', silent=True) |
|
348 | msg_id = self.kernel_manager.shell_channel.execute('', silent=True) | |
354 | info = self._ExecutionRequest(msg_id, 'prompt') |
|
349 | info = self._ExecutionRequest(msg_id, 'prompt') | |
355 | self._request_info['execute'][msg_id] = info |
|
350 | self._request_info['execute'][msg_id] = info | |
356 | return |
|
351 | return | |
357 |
|
352 | |||
358 | # Show a new prompt and save information about it so that it can be |
|
353 | # Show a new prompt and save information about it so that it can be | |
359 | # updated later if the prompt number turns out to be wrong. |
|
354 | # updated later if the prompt number turns out to be wrong. | |
360 | self._prompt_sep = self.input_sep |
|
355 | self._prompt_sep = self.input_sep | |
361 | self._show_prompt(self._make_in_prompt(number), html=True) |
|
356 | self._show_prompt(self._make_in_prompt(number), html=True) | |
362 | block = self._control.document().lastBlock() |
|
357 | block = self._control.document().lastBlock() | |
363 | length = len(self._prompt) |
|
358 | length = len(self._prompt) | |
364 | self._previous_prompt_obj = self._PromptBlock(block, length, number) |
|
359 | self._previous_prompt_obj = self._PromptBlock(block, length, number) | |
365 |
|
360 | |||
366 | # Update continuation prompt to reflect (possibly) new prompt length. |
|
361 | # Update continuation prompt to reflect (possibly) new prompt length. | |
367 | self._set_continuation_prompt( |
|
362 | self._set_continuation_prompt( | |
368 | self._make_continuation_prompt(self._prompt), html=True) |
|
363 | self._make_continuation_prompt(self._prompt), html=True) | |
369 |
|
364 | |||
370 | def _show_interpreter_prompt_for_reply(self, msg): |
|
365 | def _show_interpreter_prompt_for_reply(self, msg): | |
371 | """ Reimplemented for IPython-style prompts. |
|
366 | """ Reimplemented for IPython-style prompts. | |
372 | """ |
|
367 | """ | |
373 | # Update the old prompt number if necessary. |
|
368 | # Update the old prompt number if necessary. | |
374 | content = msg['content'] |
|
369 | content = msg['content'] | |
375 | # abort replies do not have any keys: |
|
370 | # abort replies do not have any keys: | |
376 | if content['status'] == 'aborted': |
|
371 | if content['status'] == 'aborted': | |
377 | if self._previous_prompt_obj: |
|
372 | if self._previous_prompt_obj: | |
378 | previous_prompt_number = self._previous_prompt_obj.number |
|
373 | previous_prompt_number = self._previous_prompt_obj.number | |
379 | else: |
|
374 | else: | |
380 | previous_prompt_number = 0 |
|
375 | previous_prompt_number = 0 | |
381 | else: |
|
376 | else: | |
382 | previous_prompt_number = content['execution_count'] |
|
377 | previous_prompt_number = content['execution_count'] | |
383 | if self._previous_prompt_obj and \ |
|
378 | if self._previous_prompt_obj and \ | |
384 | self._previous_prompt_obj.number != previous_prompt_number: |
|
379 | self._previous_prompt_obj.number != previous_prompt_number: | |
385 | block = self._previous_prompt_obj.block |
|
380 | block = self._previous_prompt_obj.block | |
386 |
|
381 | |||
387 | # Make sure the prompt block has not been erased. |
|
382 | # Make sure the prompt block has not been erased. | |
388 | if block.isValid() and block.text(): |
|
383 | if block.isValid() and block.text(): | |
389 |
|
384 | |||
390 | # Remove the old prompt and insert a new prompt. |
|
385 | # Remove the old prompt and insert a new prompt. | |
391 | cursor = QtGui.QTextCursor(block) |
|
386 | cursor = QtGui.QTextCursor(block) | |
392 | cursor.movePosition(QtGui.QTextCursor.Right, |
|
387 | cursor.movePosition(QtGui.QTextCursor.Right, | |
393 | QtGui.QTextCursor.KeepAnchor, |
|
388 | QtGui.QTextCursor.KeepAnchor, | |
394 | self._previous_prompt_obj.length) |
|
389 | self._previous_prompt_obj.length) | |
395 | prompt = self._make_in_prompt(previous_prompt_number) |
|
390 | prompt = self._make_in_prompt(previous_prompt_number) | |
396 | self._prompt = self._insert_html_fetching_plain_text( |
|
391 | self._prompt = self._insert_html_fetching_plain_text( | |
397 | cursor, prompt) |
|
392 | cursor, prompt) | |
398 |
|
393 | |||
399 | # When the HTML is inserted, Qt blows away the syntax |
|
394 | # When the HTML is inserted, Qt blows away the syntax | |
400 | # highlighting for the line, so we need to rehighlight it. |
|
395 | # highlighting for the line, so we need to rehighlight it. | |
401 | self._highlighter.rehighlightBlock(cursor.block()) |
|
396 | self._highlighter.rehighlightBlock(cursor.block()) | |
402 |
|
397 | |||
403 | self._previous_prompt_obj = None |
|
398 | self._previous_prompt_obj = None | |
404 |
|
399 | |||
405 | # Show a new prompt with the kernel's estimated prompt number. |
|
400 | # Show a new prompt with the kernel's estimated prompt number. | |
406 | self._show_interpreter_prompt(previous_prompt_number + 1) |
|
401 | self._show_interpreter_prompt(previous_prompt_number + 1) | |
407 |
|
402 | |||
408 | #--------------------------------------------------------------------------- |
|
403 | #--------------------------------------------------------------------------- | |
409 | # 'IPythonWidget' interface |
|
404 | # 'IPythonWidget' interface | |
410 | #--------------------------------------------------------------------------- |
|
405 | #--------------------------------------------------------------------------- | |
411 |
|
406 | |||
412 | def set_default_style(self, colors='lightbg'): |
|
407 | def set_default_style(self, colors='lightbg'): | |
413 | """ Sets the widget style to the class defaults. |
|
408 | """ Sets the widget style to the class defaults. | |
414 |
|
409 | |||
415 | Parameters: |
|
410 | Parameters: | |
416 | ----------- |
|
411 | ----------- | |
417 | colors : str, optional (default lightbg) |
|
412 | colors : str, optional (default lightbg) | |
418 | Whether to use the default IPython light background or dark |
|
413 | Whether to use the default IPython light background or dark | |
419 | background or B&W style. |
|
414 | background or B&W style. | |
420 | """ |
|
415 | """ | |
421 | colors = colors.lower() |
|
416 | colors = colors.lower() | |
422 | if colors=='lightbg': |
|
417 | if colors=='lightbg': | |
423 | self.style_sheet = styles.default_light_style_sheet |
|
418 | self.style_sheet = styles.default_light_style_sheet | |
424 | self.syntax_style = styles.default_light_syntax_style |
|
419 | self.syntax_style = styles.default_light_syntax_style | |
425 | elif colors=='linux': |
|
420 | elif colors=='linux': | |
426 | self.style_sheet = styles.default_dark_style_sheet |
|
421 | self.style_sheet = styles.default_dark_style_sheet | |
427 | self.syntax_style = styles.default_dark_syntax_style |
|
422 | self.syntax_style = styles.default_dark_syntax_style | |
428 | elif colors=='nocolor': |
|
423 | elif colors=='nocolor': | |
429 | self.style_sheet = styles.default_bw_style_sheet |
|
424 | self.style_sheet = styles.default_bw_style_sheet | |
430 | self.syntax_style = styles.default_bw_syntax_style |
|
425 | self.syntax_style = styles.default_bw_syntax_style | |
431 | else: |
|
426 | else: | |
432 | raise KeyError("No such color scheme: %s"%colors) |
|
427 | raise KeyError("No such color scheme: %s"%colors) | |
433 |
|
428 | |||
434 | #--------------------------------------------------------------------------- |
|
429 | #--------------------------------------------------------------------------- | |
435 | # 'IPythonWidget' protected interface |
|
430 | # 'IPythonWidget' protected interface | |
436 | #--------------------------------------------------------------------------- |
|
431 | #--------------------------------------------------------------------------- | |
437 |
|
432 | |||
438 | def _edit(self, filename, line=None): |
|
433 | def _edit(self, filename, line=None): | |
439 | """ Opens a Python script for editing. |
|
434 | """ Opens a Python script for editing. | |
440 |
|
435 | |||
441 | Parameters: |
|
436 | Parameters: | |
442 | ----------- |
|
437 | ----------- | |
443 | filename : str |
|
438 | filename : str | |
444 | A path to a local system file. |
|
439 | A path to a local system file. | |
445 |
|
440 | |||
446 | line : int, optional |
|
441 | line : int, optional | |
447 | A line of interest in the file. |
|
442 | A line of interest in the file. | |
448 | """ |
|
443 | """ | |
449 | if self.custom_edit: |
|
444 | if self.custom_edit: | |
450 | self.custom_edit_requested.emit(filename, line) |
|
445 | self.custom_edit_requested.emit(filename, line) | |
451 | elif not self.editor: |
|
446 | elif not self.editor: | |
452 | self._append_plain_text('No default editor available.\n' |
|
447 | self._append_plain_text('No default editor available.\n' | |
453 | 'Specify a GUI text editor in the `IPythonWidget.editor` ' |
|
448 | 'Specify a GUI text editor in the `IPythonWidget.editor` ' | |
454 | 'configurable to enable the %edit magic') |
|
449 | 'configurable to enable the %edit magic') | |
455 | else: |
|
450 | else: | |
456 | try: |
|
451 | try: | |
457 | filename = '"%s"' % filename |
|
452 | filename = '"%s"' % filename | |
458 | if line and self.editor_line: |
|
453 | if line and self.editor_line: | |
459 | command = self.editor_line.format(filename=filename, |
|
454 | command = self.editor_line.format(filename=filename, | |
460 | line=line) |
|
455 | line=line) | |
461 | else: |
|
456 | else: | |
462 | try: |
|
457 | try: | |
463 | command = self.editor.format() |
|
458 | command = self.editor.format() | |
464 | except KeyError: |
|
459 | except KeyError: | |
465 | command = self.editor.format(filename=filename) |
|
460 | command = self.editor.format(filename=filename) | |
466 | else: |
|
461 | else: | |
467 | command += ' ' + filename |
|
462 | command += ' ' + filename | |
468 | except KeyError: |
|
463 | except KeyError: | |
469 | self._append_plain_text('Invalid editor command.\n') |
|
464 | self._append_plain_text('Invalid editor command.\n') | |
470 | else: |
|
465 | else: | |
471 | try: |
|
466 | try: | |
472 | Popen(command, shell=True) |
|
467 | Popen(command, shell=True) | |
473 | except OSError: |
|
468 | except OSError: | |
474 | msg = 'Opening editor with command "%s" failed.\n' |
|
469 | msg = 'Opening editor with command "%s" failed.\n' | |
475 | self._append_plain_text(msg % command) |
|
470 | self._append_plain_text(msg % command) | |
476 |
|
471 | |||
477 | def _make_in_prompt(self, number): |
|
472 | def _make_in_prompt(self, number): | |
478 | """ Given a prompt number, returns an HTML In prompt. |
|
473 | """ Given a prompt number, returns an HTML In prompt. | |
479 | """ |
|
474 | """ | |
480 | try: |
|
475 | try: | |
481 | body = self.in_prompt % number |
|
476 | body = self.in_prompt % number | |
482 | except TypeError: |
|
477 | except TypeError: | |
483 | # allow in_prompt to leave out number, e.g. '>>> ' |
|
478 | # allow in_prompt to leave out number, e.g. '>>> ' | |
484 | body = self.in_prompt |
|
479 | body = self.in_prompt | |
485 | return '<span class="in-prompt">%s</span>' % body |
|
480 | return '<span class="in-prompt">%s</span>' % body | |
486 |
|
481 | |||
487 | def _make_continuation_prompt(self, prompt): |
|
482 | def _make_continuation_prompt(self, prompt): | |
488 | """ Given a plain text version of an In prompt, returns an HTML |
|
483 | """ Given a plain text version of an In prompt, returns an HTML | |
489 | continuation prompt. |
|
484 | continuation prompt. | |
490 | """ |
|
485 | """ | |
491 | end_chars = '...: ' |
|
486 | end_chars = '...: ' | |
492 | space_count = len(prompt.lstrip('\n')) - len(end_chars) |
|
487 | space_count = len(prompt.lstrip('\n')) - len(end_chars) | |
493 | body = ' ' * space_count + end_chars |
|
488 | body = ' ' * space_count + end_chars | |
494 | return '<span class="in-prompt">%s</span>' % body |
|
489 | return '<span class="in-prompt">%s</span>' % body | |
495 |
|
490 | |||
496 | def _make_out_prompt(self, number): |
|
491 | def _make_out_prompt(self, number): | |
497 | """ Given a prompt number, returns an HTML Out prompt. |
|
492 | """ Given a prompt number, returns an HTML Out prompt. | |
498 | """ |
|
493 | """ | |
499 | body = self.out_prompt % number |
|
494 | body = self.out_prompt % number | |
500 | return '<span class="out-prompt">%s</span>' % body |
|
495 | return '<span class="out-prompt">%s</span>' % body | |
501 |
|
496 | |||
502 | #------ Payload handlers -------------------------------------------------- |
|
497 | #------ Payload handlers -------------------------------------------------- | |
503 |
|
498 | |||
504 | # Payload handlers with a generic interface: each takes the opaque payload |
|
499 | # Payload handlers with a generic interface: each takes the opaque payload | |
505 | # dict, unpacks it and calls the underlying functions with the necessary |
|
500 | # dict, unpacks it and calls the underlying functions with the necessary | |
506 | # arguments. |
|
501 | # arguments. | |
507 |
|
502 | |||
508 | def _handle_payload_edit(self, item): |
|
503 | def _handle_payload_edit(self, item): | |
509 | self._edit(item['filename'], item['line_number']) |
|
504 | self._edit(item['filename'], item['line_number']) | |
510 |
|
505 | |||
511 | def _handle_payload_exit(self, item): |
|
506 | def _handle_payload_exit(self, item): | |
512 | self._keep_kernel_on_exit = item['keepkernel'] |
|
507 | self._keep_kernel_on_exit = item['keepkernel'] | |
513 | self.exit_requested.emit(self) |
|
508 | self.exit_requested.emit(self) | |
514 |
|
509 | |||
515 | def _handle_payload_next_input(self, item): |
|
510 | def _handle_payload_next_input(self, item): | |
516 | self.input_buffer = dedent(item['text'].rstrip()) |
|
511 | self.input_buffer = dedent(item['text'].rstrip()) | |
517 |
|
512 | |||
518 | def _handle_payload_page(self, item): |
|
513 | def _handle_payload_page(self, item): | |
519 | # Since the plain text widget supports only a very small subset of HTML |
|
514 | # Since the plain text widget supports only a very small subset of HTML | |
520 | # and we have no control over the HTML source, we only page HTML |
|
515 | # and we have no control over the HTML source, we only page HTML | |
521 | # payloads in the rich text widget. |
|
516 | # payloads in the rich text widget. | |
522 | if item['html'] and self.kind == 'rich': |
|
517 | if item['html'] and self.kind == 'rich': | |
523 | self._page(item['html'], html=True) |
|
518 | self._page(item['html'], html=True) | |
524 | else: |
|
519 | else: | |
525 | self._page(item['text'], html=False) |
|
520 | self._page(item['text'], html=False) | |
526 |
|
521 | |||
527 | #------ Trait change handlers -------------------------------------------- |
|
522 | #------ Trait change handlers -------------------------------------------- | |
528 |
|
523 | |||
529 | def _style_sheet_changed(self): |
|
524 | def _style_sheet_changed(self): | |
530 | """ Set the style sheets of the underlying widgets. |
|
525 | """ Set the style sheets of the underlying widgets. | |
531 | """ |
|
526 | """ | |
532 | self.setStyleSheet(self.style_sheet) |
|
527 | self.setStyleSheet(self.style_sheet) | |
533 | self._control.document().setDefaultStyleSheet(self.style_sheet) |
|
528 | self._control.document().setDefaultStyleSheet(self.style_sheet) | |
534 | if self._page_control: |
|
529 | if self._page_control: | |
535 | self._page_control.document().setDefaultStyleSheet(self.style_sheet) |
|
530 | self._page_control.document().setDefaultStyleSheet(self.style_sheet) | |
536 |
|
531 | |||
537 | bg_color = self._control.palette().window().color() |
|
532 | bg_color = self._control.palette().window().color() | |
538 | self._ansi_processor.set_background_color(bg_color) |
|
533 | self._ansi_processor.set_background_color(bg_color) | |
539 |
|
534 | |||
540 |
|
535 | |||
541 | def _syntax_style_changed(self): |
|
536 | def _syntax_style_changed(self): | |
542 | """ Set the style for the syntax highlighter. |
|
537 | """ Set the style for the syntax highlighter. | |
543 | """ |
|
538 | """ | |
544 | if self._highlighter is None: |
|
539 | if self._highlighter is None: | |
545 | # ignore premature calls |
|
540 | # ignore premature calls | |
546 | return |
|
541 | return | |
547 | if self.syntax_style: |
|
542 | if self.syntax_style: | |
548 | self._highlighter.set_style(self.syntax_style) |
|
543 | self._highlighter.set_style(self.syntax_style) | |
549 | else: |
|
544 | else: | |
550 | self._highlighter.set_style_sheet(self.style_sheet) |
|
545 | self._highlighter.set_style_sheet(self.style_sheet) | |
551 |
|
546 | |||
552 | #------ Trait default initializers ----------------------------------------- |
|
547 | #------ Trait default initializers ----------------------------------------- | |
553 |
|
548 | |||
554 | def _banner_default(self): |
|
549 | def _banner_default(self): | |
555 | from IPython.core.usage import default_gui_banner |
|
550 | from IPython.core.usage import default_gui_banner | |
556 | return default_gui_banner |
|
551 | return default_gui_banner |
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