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@@ -1,616 +1,616 b'' | |||||
1 | from __future__ import print_function |
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1 | from __future__ import print_function | |
2 |
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2 | |||
3 | # Standard library imports |
|
3 | # Standard library imports | |
4 | from collections import namedtuple |
|
4 | from collections import namedtuple | |
5 | import sys |
|
5 | import sys | |
6 | import time |
|
6 | import time | |
7 |
|
7 | |||
8 | # System library imports |
|
8 | # System library imports | |
9 | from pygments.lexers import PythonLexer |
|
9 | from pygments.lexers import PythonLexer | |
10 | from IPython.external.qt import QtCore, QtGui |
|
10 | from IPython.external.qt import QtCore, QtGui | |
11 |
|
11 | |||
12 | # Local imports |
|
12 | # Local imports | |
13 | from IPython.core.inputsplitter import InputSplitter, transform_classic_prompt |
|
13 | from IPython.core.inputsplitter import InputSplitter, transform_classic_prompt | |
14 | from IPython.core.oinspect import call_tip |
|
14 | from IPython.core.oinspect import call_tip | |
15 | from IPython.frontend.qt.base_frontend_mixin import BaseFrontendMixin |
|
15 | from IPython.frontend.qt.base_frontend_mixin import BaseFrontendMixin | |
16 | from IPython.utils.traitlets import Bool |
|
16 | from IPython.utils.traitlets import Bool | |
17 | from bracket_matcher import BracketMatcher |
|
17 | from bracket_matcher import BracketMatcher | |
18 | from call_tip_widget import CallTipWidget |
|
18 | from call_tip_widget import CallTipWidget | |
19 | from completion_lexer import CompletionLexer |
|
19 | from completion_lexer import CompletionLexer | |
20 | from history_console_widget import HistoryConsoleWidget |
|
20 | from history_console_widget import HistoryConsoleWidget | |
21 | from pygments_highlighter import PygmentsHighlighter |
|
21 | from pygments_highlighter import PygmentsHighlighter | |
22 |
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22 | |||
23 |
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23 | |||
24 | class FrontendHighlighter(PygmentsHighlighter): |
|
24 | class FrontendHighlighter(PygmentsHighlighter): | |
25 | """ A PygmentsHighlighter that can be turned on and off and that ignores |
|
25 | """ A PygmentsHighlighter that can be turned on and off and that ignores | |
26 | prompts. |
|
26 | prompts. | |
27 | """ |
|
27 | """ | |
28 |
|
28 | |||
29 | def __init__(self, frontend): |
|
29 | def __init__(self, frontend): | |
30 | super(FrontendHighlighter, self).__init__(frontend._control.document()) |
|
30 | super(FrontendHighlighter, self).__init__(frontend._control.document()) | |
31 | self._current_offset = 0 |
|
31 | self._current_offset = 0 | |
32 | self._frontend = frontend |
|
32 | self._frontend = frontend | |
33 | self.highlighting_on = False |
|
33 | self.highlighting_on = False | |
34 |
|
34 | |||
35 | def highlightBlock(self, string): |
|
35 | def highlightBlock(self, string): | |
36 | """ Highlight a block of text. Reimplemented to highlight selectively. |
|
36 | """ Highlight a block of text. Reimplemented to highlight selectively. | |
37 | """ |
|
37 | """ | |
38 | if not self.highlighting_on: |
|
38 | if not self.highlighting_on: | |
39 | return |
|
39 | return | |
40 |
|
40 | |||
41 | # The input to this function is a unicode string that may contain |
|
41 | # The input to this function is a unicode string that may contain | |
42 | # paragraph break characters, non-breaking spaces, etc. Here we acquire |
|
42 | # paragraph break characters, non-breaking spaces, etc. Here we acquire | |
43 | # the string as plain text so we can compare it. |
|
43 | # the string as plain text so we can compare it. | |
44 | current_block = self.currentBlock() |
|
44 | current_block = self.currentBlock() | |
45 | string = self._frontend._get_block_plain_text(current_block) |
|
45 | string = self._frontend._get_block_plain_text(current_block) | |
46 |
|
46 | |||
47 | # Decide whether to check for the regular or continuation prompt. |
|
47 | # Decide whether to check for the regular or continuation prompt. | |
48 | if current_block.contains(self._frontend._prompt_pos): |
|
48 | if current_block.contains(self._frontend._prompt_pos): | |
49 | prompt = self._frontend._prompt |
|
49 | prompt = self._frontend._prompt | |
50 | else: |
|
50 | else: | |
51 | prompt = self._frontend._continuation_prompt |
|
51 | prompt = self._frontend._continuation_prompt | |
52 |
|
52 | |||
53 | # Don't highlight the part of the string that contains the prompt. |
|
53 | # Don't highlight the part of the string that contains the prompt. | |
54 | if string.startswith(prompt): |
|
54 | if string.startswith(prompt): | |
55 | self._current_offset = len(prompt) |
|
55 | self._current_offset = len(prompt) | |
56 | string = string[len(prompt):] |
|
56 | string = string[len(prompt):] | |
57 | else: |
|
57 | else: | |
58 | self._current_offset = 0 |
|
58 | self._current_offset = 0 | |
59 |
|
59 | |||
60 | PygmentsHighlighter.highlightBlock(self, string) |
|
60 | PygmentsHighlighter.highlightBlock(self, string) | |
61 |
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61 | |||
62 | def rehighlightBlock(self, block): |
|
62 | def rehighlightBlock(self, block): | |
63 | """ Reimplemented to temporarily enable highlighting if disabled. |
|
63 | """ Reimplemented to temporarily enable highlighting if disabled. | |
64 | """ |
|
64 | """ | |
65 | old = self.highlighting_on |
|
65 | old = self.highlighting_on | |
66 | self.highlighting_on = True |
|
66 | self.highlighting_on = True | |
67 | super(FrontendHighlighter, self).rehighlightBlock(block) |
|
67 | super(FrontendHighlighter, self).rehighlightBlock(block) | |
68 | self.highlighting_on = old |
|
68 | self.highlighting_on = old | |
69 |
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69 | |||
70 | def setFormat(self, start, count, format): |
|
70 | def setFormat(self, start, count, format): | |
71 | """ Reimplemented to highlight selectively. |
|
71 | """ Reimplemented to highlight selectively. | |
72 | """ |
|
72 | """ | |
73 | start += self._current_offset |
|
73 | start += self._current_offset | |
74 | PygmentsHighlighter.setFormat(self, start, count, format) |
|
74 | PygmentsHighlighter.setFormat(self, start, count, format) | |
75 |
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75 | |||
76 |
|
76 | |||
77 | class FrontendWidget(HistoryConsoleWidget, BaseFrontendMixin): |
|
77 | class FrontendWidget(HistoryConsoleWidget, BaseFrontendMixin): | |
78 | """ A Qt frontend for a generic Python kernel. |
|
78 | """ A Qt frontend for a generic Python kernel. | |
79 | """ |
|
79 | """ | |
80 |
|
80 | |||
81 | # An option and corresponding signal for overriding the default kernel |
|
81 | # An option and corresponding signal for overriding the default kernel | |
82 | # interrupt behavior. |
|
82 | # interrupt behavior. | |
83 | custom_interrupt = Bool(False) |
|
83 | custom_interrupt = Bool(False) | |
84 | custom_interrupt_requested = QtCore.Signal() |
|
84 | custom_interrupt_requested = QtCore.Signal() | |
85 |
|
85 | |||
86 | # An option and corresponding signals for overriding the default kernel |
|
86 | # An option and corresponding signals for overriding the default kernel | |
87 | # restart behavior. |
|
87 | # restart behavior. | |
88 | custom_restart = Bool(False) |
|
88 | custom_restart = Bool(False) | |
89 | custom_restart_kernel_died = QtCore.Signal(float) |
|
89 | custom_restart_kernel_died = QtCore.Signal(float) | |
90 | custom_restart_requested = QtCore.Signal() |
|
90 | custom_restart_requested = QtCore.Signal() | |
91 |
|
91 | |||
92 | # Emitted when a user visible 'execute_request' has been submitted to the |
|
92 | # Emitted when a user visible 'execute_request' has been submitted to the | |
93 | # kernel from the FrontendWidget. Contains the code to be executed. |
|
93 | # kernel from the FrontendWidget. Contains the code to be executed. | |
94 | executing = QtCore.Signal(object) |
|
94 | executing = QtCore.Signal(object) | |
95 |
|
95 | |||
96 | # Emitted when a user-visible 'execute_reply' has been received from the |
|
96 | # Emitted when a user-visible 'execute_reply' has been received from the | |
97 | # kernel and processed by the FrontendWidget. Contains the response message. |
|
97 | # kernel and processed by the FrontendWidget. Contains the response message. | |
98 | executed = QtCore.Signal(object) |
|
98 | executed = QtCore.Signal(object) | |
99 |
|
99 | |||
100 | # Emitted when an exit request has been received from the kernel. |
|
100 | # Emitted when an exit request has been received from the kernel. | |
101 | exit_requested = QtCore.Signal() |
|
101 | exit_requested = QtCore.Signal() | |
102 |
|
102 | |||
103 | # Protected class variables. |
|
103 | # Protected class variables. | |
104 | _CallTipRequest = namedtuple('_CallTipRequest', ['id', 'pos']) |
|
104 | _CallTipRequest = namedtuple('_CallTipRequest', ['id', 'pos']) | |
105 | _CompletionRequest = namedtuple('_CompletionRequest', ['id', 'pos']) |
|
105 | _CompletionRequest = namedtuple('_CompletionRequest', ['id', 'pos']) | |
106 | _ExecutionRequest = namedtuple('_ExecutionRequest', ['id', 'kind']) |
|
106 | _ExecutionRequest = namedtuple('_ExecutionRequest', ['id', 'kind']) | |
107 | _input_splitter_class = InputSplitter |
|
107 | _input_splitter_class = InputSplitter | |
108 | _local_kernel = False |
|
108 | _local_kernel = False | |
109 |
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109 | |||
110 | #--------------------------------------------------------------------------- |
|
110 | #--------------------------------------------------------------------------- | |
111 | # 'object' interface |
|
111 | # 'object' interface | |
112 | #--------------------------------------------------------------------------- |
|
112 | #--------------------------------------------------------------------------- | |
113 |
|
113 | |||
114 | def __init__(self, *args, **kw): |
|
114 | def __init__(self, *args, **kw): | |
115 | super(FrontendWidget, self).__init__(*args, **kw) |
|
115 | super(FrontendWidget, self).__init__(*args, **kw) | |
116 |
|
116 | |||
117 | # FrontendWidget protected variables. |
|
117 | # FrontendWidget protected variables. | |
118 | self._bracket_matcher = BracketMatcher(self._control) |
|
118 | self._bracket_matcher = BracketMatcher(self._control) | |
119 | self._call_tip_widget = CallTipWidget(self._control) |
|
119 | self._call_tip_widget = CallTipWidget(self._control) | |
120 | self._completion_lexer = CompletionLexer(PythonLexer()) |
|
120 | self._completion_lexer = CompletionLexer(PythonLexer()) | |
121 | self._copy_raw_action = QtGui.QAction('Copy (Raw Text)', None) |
|
121 | self._copy_raw_action = QtGui.QAction('Copy (Raw Text)', None) | |
122 | self._hidden = False |
|
122 | self._hidden = False | |
123 | self._highlighter = FrontendHighlighter(self) |
|
123 | self._highlighter = FrontendHighlighter(self) | |
124 | self._input_splitter = self._input_splitter_class(input_mode='cell') |
|
124 | self._input_splitter = self._input_splitter_class(input_mode='cell') | |
125 | self._kernel_manager = None |
|
125 | self._kernel_manager = None | |
126 | self._request_info = {} |
|
126 | self._request_info = {} | |
127 |
|
127 | |||
128 | # Configure the ConsoleWidget. |
|
128 | # Configure the ConsoleWidget. | |
129 | self.tab_width = 4 |
|
129 | self.tab_width = 4 | |
130 | self._set_continuation_prompt('... ') |
|
130 | self._set_continuation_prompt('... ') | |
131 |
|
131 | |||
132 | # Configure the CallTipWidget. |
|
132 | # Configure the CallTipWidget. | |
133 | self._call_tip_widget.setFont(self.font) |
|
133 | self._call_tip_widget.setFont(self.font) | |
134 | self.font_changed.connect(self._call_tip_widget.setFont) |
|
134 | self.font_changed.connect(self._call_tip_widget.setFont) | |
135 |
|
135 | |||
136 | # Configure actions. |
|
136 | # Configure actions. | |
137 | action = self._copy_raw_action |
|
137 | action = self._copy_raw_action | |
138 | key = QtCore.Qt.CTRL | QtCore.Qt.SHIFT | QtCore.Qt.Key_C |
|
138 | key = QtCore.Qt.CTRL | QtCore.Qt.SHIFT | QtCore.Qt.Key_C | |
139 | action.setEnabled(False) |
|
139 | action.setEnabled(False) | |
140 | action.setShortcut(QtGui.QKeySequence(key)) |
|
140 | action.setShortcut(QtGui.QKeySequence(key)) | |
141 | action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut) |
|
141 | action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut) | |
142 | action.triggered.connect(self.copy_raw) |
|
142 | action.triggered.connect(self.copy_raw) | |
143 | self.copy_available.connect(action.setEnabled) |
|
143 | self.copy_available.connect(action.setEnabled) | |
144 | self.addAction(action) |
|
144 | self.addAction(action) | |
145 |
|
145 | |||
146 | # Connect signal handlers. |
|
146 | # Connect signal handlers. | |
147 | document = self._control.document() |
|
147 | document = self._control.document() | |
148 | document.contentsChange.connect(self._document_contents_change) |
|
148 | document.contentsChange.connect(self._document_contents_change) | |
149 |
|
149 | |||
150 | # Set flag for whether we are connected via localhost. |
|
150 | # Set flag for whether we are connected via localhost. | |
151 | self._local_kernel = kw.get('local_kernel', |
|
151 | self._local_kernel = kw.get('local_kernel', | |
152 | FrontendWidget._local_kernel) |
|
152 | FrontendWidget._local_kernel) | |
153 |
|
153 | |||
154 | #--------------------------------------------------------------------------- |
|
154 | #--------------------------------------------------------------------------- | |
155 | # 'ConsoleWidget' public interface |
|
155 | # 'ConsoleWidget' public interface | |
156 | #--------------------------------------------------------------------------- |
|
156 | #--------------------------------------------------------------------------- | |
157 |
|
157 | |||
158 | def copy(self): |
|
158 | def copy(self): | |
159 | """ Copy the currently selected text to the clipboard, removing prompts. |
|
159 | """ Copy the currently selected text to the clipboard, removing prompts. | |
160 | """ |
|
160 | """ | |
161 | text = self._control.textCursor().selection().toPlainText() |
|
161 | text = self._control.textCursor().selection().toPlainText() | |
162 | if text: |
|
162 | if text: | |
163 | lines = map(transform_classic_prompt, text.splitlines()) |
|
163 | lines = map(transform_classic_prompt, text.splitlines()) | |
164 | text = '\n'.join(lines) |
|
164 | text = '\n'.join(lines) | |
165 | QtGui.QApplication.clipboard().setText(text) |
|
165 | QtGui.QApplication.clipboard().setText(text) | |
166 |
|
166 | |||
167 | #--------------------------------------------------------------------------- |
|
167 | #--------------------------------------------------------------------------- | |
168 | # 'ConsoleWidget' abstract interface |
|
168 | # 'ConsoleWidget' abstract interface | |
169 | #--------------------------------------------------------------------------- |
|
169 | #--------------------------------------------------------------------------- | |
170 |
|
170 | |||
171 | def _is_complete(self, source, interactive): |
|
171 | def _is_complete(self, source, interactive): | |
172 | """ Returns whether 'source' can be completely processed and a new |
|
172 | """ Returns whether 'source' can be completely processed and a new | |
173 | prompt created. When triggered by an Enter/Return key press, |
|
173 | prompt created. When triggered by an Enter/Return key press, | |
174 | 'interactive' is True; otherwise, it is False. |
|
174 | 'interactive' is True; otherwise, it is False. | |
175 | """ |
|
175 | """ | |
176 | complete = self._input_splitter.push(source) |
|
176 | complete = self._input_splitter.push(source) | |
177 | if interactive: |
|
177 | if interactive: | |
178 | complete = not self._input_splitter.push_accepts_more() |
|
178 | complete = not self._input_splitter.push_accepts_more() | |
179 | return complete |
|
179 | return complete | |
180 |
|
180 | |||
181 | def _execute(self, source, hidden): |
|
181 | def _execute(self, source, hidden): | |
182 | """ Execute 'source'. If 'hidden', do not show any output. |
|
182 | """ Execute 'source'. If 'hidden', do not show any output. | |
183 |
|
183 | |||
184 | See parent class :meth:`execute` docstring for full details. |
|
184 | See parent class :meth:`execute` docstring for full details. | |
185 | """ |
|
185 | """ | |
186 | msg_id = self.kernel_manager.xreq_channel.execute(source, hidden) |
|
186 | msg_id = self.kernel_manager.xreq_channel.execute(source, hidden) | |
187 | self._request_info['execute'] = self._ExecutionRequest(msg_id, 'user') |
|
187 | self._request_info['execute'] = self._ExecutionRequest(msg_id, 'user') | |
188 | self._hidden = hidden |
|
188 | self._hidden = hidden | |
189 | if not hidden: |
|
189 | if not hidden: | |
190 | self.executing.emit(source) |
|
190 | self.executing.emit(source) | |
191 |
|
191 | |||
192 | def _prompt_started_hook(self): |
|
192 | def _prompt_started_hook(self): | |
193 | """ Called immediately after a new prompt is displayed. |
|
193 | """ Called immediately after a new prompt is displayed. | |
194 | """ |
|
194 | """ | |
195 | if not self._reading: |
|
195 | if not self._reading: | |
196 | self._highlighter.highlighting_on = True |
|
196 | self._highlighter.highlighting_on = True | |
197 |
|
197 | |||
198 | def _prompt_finished_hook(self): |
|
198 | def _prompt_finished_hook(self): | |
199 | """ Called immediately after a prompt is finished, i.e. when some input |
|
199 | """ Called immediately after a prompt is finished, i.e. when some input | |
200 | will be processed and a new prompt displayed. |
|
200 | will be processed and a new prompt displayed. | |
201 | """ |
|
201 | """ | |
202 | # Flush all state from the input splitter so the next round of |
|
202 | # Flush all state from the input splitter so the next round of | |
203 | # reading input starts with a clean buffer. |
|
203 | # reading input starts with a clean buffer. | |
204 | self._input_splitter.reset() |
|
204 | self._input_splitter.reset() | |
205 |
|
205 | |||
206 | if not self._reading: |
|
206 | if not self._reading: | |
207 | self._highlighter.highlighting_on = False |
|
207 | self._highlighter.highlighting_on = False | |
208 |
|
208 | |||
209 | def _tab_pressed(self): |
|
209 | def _tab_pressed(self): | |
210 | """ Called when the tab key is pressed. Returns whether to continue |
|
210 | """ Called when the tab key is pressed. Returns whether to continue | |
211 | processing the event. |
|
211 | processing the event. | |
212 | """ |
|
212 | """ | |
213 | # Perform tab completion if: |
|
213 | # Perform tab completion if: | |
214 | # 1) The cursor is in the input buffer. |
|
214 | # 1) The cursor is in the input buffer. | |
215 | # 2) There is a non-whitespace character before the cursor. |
|
215 | # 2) There is a non-whitespace character before the cursor. | |
216 | text = self._get_input_buffer_cursor_line() |
|
216 | text = self._get_input_buffer_cursor_line() | |
217 | if text is None: |
|
217 | if text is None: | |
218 | return False |
|
218 | return False | |
219 | complete = bool(text[:self._get_input_buffer_cursor_column()].strip()) |
|
219 | complete = bool(text[:self._get_input_buffer_cursor_column()].strip()) | |
220 | if complete: |
|
220 | if complete: | |
221 | self._complete() |
|
221 | self._complete() | |
222 | return not complete |
|
222 | return not complete | |
223 |
|
223 | |||
224 | #--------------------------------------------------------------------------- |
|
224 | #--------------------------------------------------------------------------- | |
225 | # 'ConsoleWidget' protected interface |
|
225 | # 'ConsoleWidget' protected interface | |
226 | #--------------------------------------------------------------------------- |
|
226 | #--------------------------------------------------------------------------- | |
227 |
|
227 | |||
228 | def _context_menu_make(self, pos): |
|
228 | def _context_menu_make(self, pos): | |
229 | """ Reimplemented to add an action for raw copy. |
|
229 | """ Reimplemented to add an action for raw copy. | |
230 | """ |
|
230 | """ | |
231 | menu = super(FrontendWidget, self)._context_menu_make(pos) |
|
231 | menu = super(FrontendWidget, self)._context_menu_make(pos) | |
232 | for before_action in menu.actions(): |
|
232 | for before_action in menu.actions(): | |
233 | if before_action.shortcut().matches(QtGui.QKeySequence.Paste) == \ |
|
233 | if before_action.shortcut().matches(QtGui.QKeySequence.Paste) == \ | |
234 | QtGui.QKeySequence.ExactMatch: |
|
234 | QtGui.QKeySequence.ExactMatch: | |
235 | menu.insertAction(before_action, self._copy_raw_action) |
|
235 | menu.insertAction(before_action, self._copy_raw_action) | |
236 | break |
|
236 | break | |
237 | return menu |
|
237 | return menu | |
238 |
|
238 | |||
239 | def _event_filter_console_keypress(self, event): |
|
239 | def _event_filter_console_keypress(self, event): | |
240 | """ Reimplemented for execution interruption and smart backspace. |
|
240 | """ Reimplemented for execution interruption and smart backspace. | |
241 | """ |
|
241 | """ | |
242 | key = event.key() |
|
242 | key = event.key() | |
243 | if self._control_key_down(event.modifiers(), include_command=False): |
|
243 | if self._control_key_down(event.modifiers(), include_command=False): | |
244 |
|
244 | |||
245 | if key == QtCore.Qt.Key_C and self._executing: |
|
245 | if key == QtCore.Qt.Key_C and self._executing: | |
246 | self.interrupt_kernel() |
|
246 | self.interrupt_kernel() | |
247 | return True |
|
247 | return True | |
248 |
|
248 | |||
249 | elif key == QtCore.Qt.Key_Period: |
|
249 | elif key == QtCore.Qt.Key_Period: | |
250 | message = 'Are you sure you want to restart the kernel?' |
|
250 | message = 'Are you sure you want to restart the kernel?' | |
251 | self.restart_kernel(message, now=False) |
|
251 | self.restart_kernel(message, now=False) | |
252 | return True |
|
252 | return True | |
253 |
|
253 | |||
254 | elif not event.modifiers() & QtCore.Qt.AltModifier: |
|
254 | elif not event.modifiers() & QtCore.Qt.AltModifier: | |
255 |
|
255 | |||
256 | # Smart backspace: remove four characters in one backspace if: |
|
256 | # Smart backspace: remove four characters in one backspace if: | |
257 | # 1) everything left of the cursor is whitespace |
|
257 | # 1) everything left of the cursor is whitespace | |
258 | # 2) the four characters immediately left of the cursor are spaces |
|
258 | # 2) the four characters immediately left of the cursor are spaces | |
259 | if key == QtCore.Qt.Key_Backspace: |
|
259 | if key == QtCore.Qt.Key_Backspace: | |
260 | col = self._get_input_buffer_cursor_column() |
|
260 | col = self._get_input_buffer_cursor_column() | |
261 | cursor = self._control.textCursor() |
|
261 | cursor = self._control.textCursor() | |
262 | if col > 3 and not cursor.hasSelection(): |
|
262 | if col > 3 and not cursor.hasSelection(): | |
263 | text = self._get_input_buffer_cursor_line()[:col] |
|
263 | text = self._get_input_buffer_cursor_line()[:col] | |
264 | if text.endswith(' ') and not text.strip(): |
|
264 | if text.endswith(' ') and not text.strip(): | |
265 | cursor.movePosition(QtGui.QTextCursor.Left, |
|
265 | cursor.movePosition(QtGui.QTextCursor.Left, | |
266 | QtGui.QTextCursor.KeepAnchor, 4) |
|
266 | QtGui.QTextCursor.KeepAnchor, 4) | |
267 | cursor.removeSelectedText() |
|
267 | cursor.removeSelectedText() | |
268 | return True |
|
268 | return True | |
269 |
|
269 | |||
270 | return super(FrontendWidget, self)._event_filter_console_keypress(event) |
|
270 | return super(FrontendWidget, self)._event_filter_console_keypress(event) | |
271 |
|
271 | |||
272 | def _insert_continuation_prompt(self, cursor): |
|
272 | def _insert_continuation_prompt(self, cursor): | |
273 | """ Reimplemented for auto-indentation. |
|
273 | """ Reimplemented for auto-indentation. | |
274 | """ |
|
274 | """ | |
275 | super(FrontendWidget, self)._insert_continuation_prompt(cursor) |
|
275 | super(FrontendWidget, self)._insert_continuation_prompt(cursor) | |
276 | cursor.insertText(' ' * self._input_splitter.indent_spaces) |
|
276 | cursor.insertText(' ' * self._input_splitter.indent_spaces) | |
277 |
|
277 | |||
278 | #--------------------------------------------------------------------------- |
|
278 | #--------------------------------------------------------------------------- | |
279 | # 'BaseFrontendMixin' abstract interface |
|
279 | # 'BaseFrontendMixin' abstract interface | |
280 | #--------------------------------------------------------------------------- |
|
280 | #--------------------------------------------------------------------------- | |
281 |
|
281 | |||
282 | def _handle_complete_reply(self, rep): |
|
282 | def _handle_complete_reply(self, rep): | |
283 | """ Handle replies for tab completion. |
|
283 | """ Handle replies for tab completion. | |
284 | """ |
|
284 | """ | |
285 | cursor = self._get_cursor() |
|
285 | cursor = self._get_cursor() | |
286 | info = self._request_info.get('complete') |
|
286 | info = self._request_info.get('complete') | |
287 | if info and info.id == rep['parent_header']['msg_id'] and \ |
|
287 | if info and info.id == rep['parent_header']['msg_id'] and \ | |
288 | info.pos == cursor.position(): |
|
288 | info.pos == cursor.position(): | |
289 | text = '.'.join(self._get_context()) |
|
289 | text = '.'.join(self._get_context()) | |
290 | cursor.movePosition(QtGui.QTextCursor.Left, n=len(text)) |
|
290 | cursor.movePosition(QtGui.QTextCursor.Left, n=len(text)) | |
291 | self._complete_with_items(cursor, rep['content']['matches']) |
|
291 | self._complete_with_items(cursor, rep['content']['matches']) | |
292 |
|
292 | |||
293 | def _handle_execute_reply(self, msg): |
|
293 | def _handle_execute_reply(self, msg): | |
294 | """ Handles replies for code execution. |
|
294 | """ Handles replies for code execution. | |
295 | """ |
|
295 | """ | |
296 | info = self._request_info.get('execute') |
|
296 | info = self._request_info.get('execute') | |
297 | if info and info.id == msg['parent_header']['msg_id'] and \ |
|
297 | if info and info.id == msg['parent_header']['msg_id'] and \ | |
298 | info.kind == 'user' and not self._hidden: |
|
298 | info.kind == 'user' and not self._hidden: | |
299 | # Make sure that all output from the SUB channel has been processed |
|
299 | # Make sure that all output from the SUB channel has been processed | |
300 | # before writing a new prompt. |
|
300 | # before writing a new prompt. | |
301 | self.kernel_manager.sub_channel.flush() |
|
301 | self.kernel_manager.sub_channel.flush() | |
302 |
|
302 | |||
303 | # Reset the ANSI style information to prevent bad text in stdout |
|
303 | # Reset the ANSI style information to prevent bad text in stdout | |
304 | # from messing up our colors. We're not a true terminal so we're |
|
304 | # from messing up our colors. We're not a true terminal so we're | |
305 | # allowed to do this. |
|
305 | # allowed to do this. | |
306 | if self.ansi_codes: |
|
306 | if self.ansi_codes: | |
307 | self._ansi_processor.reset_sgr() |
|
307 | self._ansi_processor.reset_sgr() | |
308 |
|
308 | |||
309 | content = msg['content'] |
|
309 | content = msg['content'] | |
310 | status = content['status'] |
|
310 | status = content['status'] | |
311 | if status == 'ok': |
|
311 | if status == 'ok': | |
312 | self._process_execute_ok(msg) |
|
312 | self._process_execute_ok(msg) | |
313 | elif status == 'error': |
|
313 | elif status == 'error': | |
314 | self._process_execute_error(msg) |
|
314 | self._process_execute_error(msg) | |
315 | elif status == 'abort': |
|
315 | elif status == 'abort': | |
316 | self._process_execute_abort(msg) |
|
316 | self._process_execute_abort(msg) | |
317 |
|
317 | |||
318 | self._show_interpreter_prompt_for_reply(msg) |
|
318 | self._show_interpreter_prompt_for_reply(msg) | |
319 | self.executed.emit(msg) |
|
319 | self.executed.emit(msg) | |
320 |
|
320 | |||
321 | def _handle_input_request(self, msg): |
|
321 | def _handle_input_request(self, msg): | |
322 | """ Handle requests for raw_input. |
|
322 | """ Handle requests for raw_input. | |
323 | """ |
|
323 | """ | |
324 | if self._hidden: |
|
324 | if self._hidden: | |
325 | raise RuntimeError('Request for raw input during hidden execution.') |
|
325 | raise RuntimeError('Request for raw input during hidden execution.') | |
326 |
|
326 | |||
327 | # Make sure that all output from the SUB channel has been processed |
|
327 | # Make sure that all output from the SUB channel has been processed | |
328 | # before entering readline mode. |
|
328 | # before entering readline mode. | |
329 | self.kernel_manager.sub_channel.flush() |
|
329 | self.kernel_manager.sub_channel.flush() | |
330 |
|
330 | |||
331 | def callback(line): |
|
331 | def callback(line): | |
332 | self.kernel_manager.rep_channel.input(line) |
|
332 | self.kernel_manager.rep_channel.input(line) | |
333 | self._readline(msg['content']['prompt'], callback=callback) |
|
333 | self._readline(msg['content']['prompt'], callback=callback) | |
334 |
|
334 | |||
335 | def _handle_kernel_died(self, since_last_heartbeat): |
|
335 | def _handle_kernel_died(self, since_last_heartbeat): | |
336 | """ Handle the kernel's death by asking if the user wants to restart. |
|
336 | """ Handle the kernel's death by asking if the user wants to restart. | |
337 | """ |
|
337 | """ | |
338 | if self.custom_restart: |
|
338 | if self.custom_restart: | |
339 | self.custom_restart_kernel_died.emit(since_last_heartbeat) |
|
339 | self.custom_restart_kernel_died.emit(since_last_heartbeat) | |
340 | else: |
|
340 | else: | |
341 | message = 'The kernel heartbeat has been inactive for %.2f ' \ |
|
341 | message = 'The kernel heartbeat has been inactive for %.2f ' \ | |
342 | 'seconds. Do you want to restart the kernel? You may ' \ |
|
342 | 'seconds. Do you want to restart the kernel? You may ' \ | |
343 | 'first want to check the network connection.' % \ |
|
343 | 'first want to check the network connection.' % \ | |
344 | since_last_heartbeat |
|
344 | since_last_heartbeat | |
345 | self.restart_kernel(message, now=True) |
|
345 | self.restart_kernel(message, now=True) | |
346 |
|
346 | |||
347 | def _handle_object_info_reply(self, rep): |
|
347 | def _handle_object_info_reply(self, rep): | |
348 | """ Handle replies for call tips. |
|
348 | """ Handle replies for call tips. | |
349 | """ |
|
349 | """ | |
350 | cursor = self._get_cursor() |
|
350 | cursor = self._get_cursor() | |
351 | info = self._request_info.get('call_tip') |
|
351 | info = self._request_info.get('call_tip') | |
352 | if info and info.id == rep['parent_header']['msg_id'] and \ |
|
352 | if info and info.id == rep['parent_header']['msg_id'] and \ | |
353 | info.pos == cursor.position(): |
|
353 | info.pos == cursor.position(): | |
354 | # Get the information for a call tip. For now we format the call |
|
354 | # Get the information for a call tip. For now we format the call | |
355 | # line as string, later we can pass False to format_call and |
|
355 | # line as string, later we can pass False to format_call and | |
356 | # syntax-highlight it ourselves for nicer formatting in the |
|
356 | # syntax-highlight it ourselves for nicer formatting in the | |
357 | # calltip. |
|
357 | # calltip. | |
358 | if rep['content']['ismagic']: |
|
358 | if rep['content']['ismagic']: | |
359 | # Don't generate a call-tip for magics. Ideally, we should |
|
359 | # Don't generate a call-tip for magics. Ideally, we should | |
360 | # generate a tooltip, but not on ( like we do for actual |
|
360 | # generate a tooltip, but not on ( like we do for actual | |
361 | # callables. |
|
361 | # callables. | |
362 | call_info, doc = None, None |
|
362 | call_info, doc = None, None | |
363 | else: |
|
363 | else: | |
364 | call_info, doc = call_tip(rep['content'], format_call=True) |
|
364 | call_info, doc = call_tip(rep['content'], format_call=True) | |
365 | if call_info or doc: |
|
365 | if call_info or doc: | |
366 | self._call_tip_widget.show_call_info(call_info, doc) |
|
366 | self._call_tip_widget.show_call_info(call_info, doc) | |
367 |
|
367 | |||
368 | def _handle_pyout(self, msg): |
|
368 | def _handle_pyout(self, msg): | |
369 | """ Handle display hook output. |
|
369 | """ Handle display hook output. | |
370 | """ |
|
370 | """ | |
371 | if not self._hidden and self._is_from_this_session(msg): |
|
371 | if not self._hidden and self._is_from_this_session(msg): | |
372 | self._append_plain_text(msg['content']['data']['text/plain'] + '\n') |
|
372 | self._append_plain_text(msg['content']['data']['text/plain'] + '\n') | |
373 |
|
373 | |||
374 | def _handle_stream(self, msg): |
|
374 | def _handle_stream(self, msg): | |
375 | """ Handle stdout, stderr, and stdin. |
|
375 | """ Handle stdout, stderr, and stdin. | |
376 | """ |
|
376 | """ | |
377 | if not self._hidden and self._is_from_this_session(msg): |
|
377 | if not self._hidden and self._is_from_this_session(msg): | |
378 | # Most consoles treat tabs as being 8 space characters. Convert tabs |
|
378 | # Most consoles treat tabs as being 8 space characters. Convert tabs | |
379 | # to spaces so that output looks as expected regardless of this |
|
379 | # to spaces so that output looks as expected regardless of this | |
380 | # widget's tab width. |
|
380 | # widget's tab width. | |
381 | text = msg['content']['data'].expandtabs(8) |
|
381 | text = msg['content']['data'].expandtabs(8) | |
382 |
|
382 | |||
383 | self._append_plain_text(text) |
|
383 | self._append_plain_text(text) | |
384 | self._control.moveCursor(QtGui.QTextCursor.End) |
|
384 | self._control.moveCursor(QtGui.QTextCursor.End) | |
385 |
|
385 | |||
386 | def _handle_shutdown_reply(self, msg): |
|
386 | def _handle_shutdown_reply(self, msg): | |
387 | """ Handle shutdown signal, only if from other console. |
|
387 | """ Handle shutdown signal, only if from other console. | |
388 | """ |
|
388 | """ | |
389 | if not self._hidden and not self._is_from_this_session(msg): |
|
389 | if not self._hidden and not self._is_from_this_session(msg): | |
390 | if self._local_kernel: |
|
390 | if self._local_kernel: | |
391 | if not msg['content']['restart']: |
|
391 | if not msg['content']['restart']: | |
392 | sys.exit(0) |
|
392 | sys.exit(0) | |
393 | else: |
|
393 | else: | |
394 | # we just got notified of a restart! |
|
394 | # we just got notified of a restart! | |
395 | time.sleep(0.25) # wait 1/4 sec to reset |
|
395 | time.sleep(0.25) # wait 1/4 sec to reset | |
396 | # lest the request for a new prompt |
|
396 | # lest the request for a new prompt | |
397 | # goes to the old kernel |
|
397 | # goes to the old kernel | |
398 | self.reset() |
|
398 | self.reset() | |
399 | else: # remote kernel, prompt on Kernel shutdown/reset |
|
399 | else: # remote kernel, prompt on Kernel shutdown/reset | |
400 | title = self.window().windowTitle() |
|
400 | title = self.window().windowTitle() | |
401 | if not msg['content']['restart']: |
|
401 | if not msg['content']['restart']: | |
402 | reply = QtGui.QMessageBox.question(self, title, |
|
402 | reply = QtGui.QMessageBox.question(self, title, | |
403 | "Kernel has been shutdown permanently. " |
|
403 | "Kernel has been shutdown permanently. " | |
404 | "Close the Console?", |
|
404 | "Close the Console?", | |
405 | QtGui.QMessageBox.Yes,QtGui.QMessageBox.No) |
|
405 | QtGui.QMessageBox.Yes,QtGui.QMessageBox.No) | |
406 | if reply == QtGui.QMessageBox.Yes: |
|
406 | if reply == QtGui.QMessageBox.Yes: | |
407 | sys.exit(0) |
|
407 | sys.exit(0) | |
408 | else: |
|
408 | else: | |
409 | reply = QtGui.QMessageBox.question(self, title, |
|
409 | reply = QtGui.QMessageBox.question(self, title, | |
410 | "Kernel has been reset. Clear the Console?", |
|
410 | "Kernel has been reset. Clear the Console?", | |
411 | QtGui.QMessageBox.Yes,QtGui.QMessageBox.No) |
|
411 | QtGui.QMessageBox.Yes,QtGui.QMessageBox.No) | |
412 | if reply == QtGui.QMessageBox.Yes: |
|
412 | if reply == QtGui.QMessageBox.Yes: | |
413 | time.sleep(0.25) # wait 1/4 sec to reset |
|
413 | time.sleep(0.25) # wait 1/4 sec to reset | |
414 | # lest the request for a new prompt |
|
414 | # lest the request for a new prompt | |
415 | # goes to the old kernel |
|
415 | # goes to the old kernel | |
416 | self.reset() |
|
416 | self.reset() | |
417 |
|
417 | |||
418 | def _started_channels(self): |
|
418 | def _started_channels(self): | |
419 | """ Called when the KernelManager channels have started listening or |
|
419 | """ Called when the KernelManager channels have started listening or | |
420 | when the frontend is assigned an already listening KernelManager. |
|
420 | when the frontend is assigned an already listening KernelManager. | |
421 | """ |
|
421 | """ | |
422 | self.reset() |
|
422 | self.reset() | |
423 |
|
423 | |||
424 | #--------------------------------------------------------------------------- |
|
424 | #--------------------------------------------------------------------------- | |
425 | # 'FrontendWidget' public interface |
|
425 | # 'FrontendWidget' public interface | |
426 | #--------------------------------------------------------------------------- |
|
426 | #--------------------------------------------------------------------------- | |
427 |
|
427 | |||
428 | def copy_raw(self): |
|
428 | def copy_raw(self): | |
429 | """ Copy the currently selected text to the clipboard without attempting |
|
429 | """ Copy the currently selected text to the clipboard without attempting | |
430 | to remove prompts or otherwise alter the text. |
|
430 | to remove prompts or otherwise alter the text. | |
431 | """ |
|
431 | """ | |
432 | self._control.copy() |
|
432 | self._control.copy() | |
433 |
|
433 | |||
434 | def execute_file(self, path, hidden=False): |
|
434 | def execute_file(self, path, hidden=False): | |
435 | """ Attempts to execute file with 'path'. If 'hidden', no output is |
|
435 | """ Attempts to execute file with 'path'. If 'hidden', no output is | |
436 | shown. |
|
436 | shown. | |
437 | """ |
|
437 | """ | |
438 |
self.execute('execfile( |
|
438 | self.execute('execfile(%r)' % path, hidden=hidden) | |
439 |
|
439 | |||
440 | def interrupt_kernel(self): |
|
440 | def interrupt_kernel(self): | |
441 | """ Attempts to interrupt the running kernel. |
|
441 | """ Attempts to interrupt the running kernel. | |
442 | """ |
|
442 | """ | |
443 | if self.custom_interrupt: |
|
443 | if self.custom_interrupt: | |
444 | self.custom_interrupt_requested.emit() |
|
444 | self.custom_interrupt_requested.emit() | |
445 | elif self.kernel_manager.has_kernel: |
|
445 | elif self.kernel_manager.has_kernel: | |
446 | self.kernel_manager.interrupt_kernel() |
|
446 | self.kernel_manager.interrupt_kernel() | |
447 | else: |
|
447 | else: | |
448 | self._append_plain_text('Kernel process is either remote or ' |
|
448 | self._append_plain_text('Kernel process is either remote or ' | |
449 | 'unspecified. Cannot interrupt.\n') |
|
449 | 'unspecified. Cannot interrupt.\n') | |
450 |
|
450 | |||
451 | def reset(self): |
|
451 | def reset(self): | |
452 | """ Resets the widget to its initial state. Similar to ``clear``, but |
|
452 | """ Resets the widget to its initial state. Similar to ``clear``, but | |
453 | also re-writes the banner and aborts execution if necessary. |
|
453 | also re-writes the banner and aborts execution if necessary. | |
454 | """ |
|
454 | """ | |
455 | if self._executing: |
|
455 | if self._executing: | |
456 | self._executing = False |
|
456 | self._executing = False | |
457 | self._request_info['execute'] = None |
|
457 | self._request_info['execute'] = None | |
458 | self._reading = False |
|
458 | self._reading = False | |
459 | self._highlighter.highlighting_on = False |
|
459 | self._highlighter.highlighting_on = False | |
460 |
|
460 | |||
461 | self._control.clear() |
|
461 | self._control.clear() | |
462 | self._append_plain_text(self._get_banner()) |
|
462 | self._append_plain_text(self._get_banner()) | |
463 | self._show_interpreter_prompt() |
|
463 | self._show_interpreter_prompt() | |
464 |
|
464 | |||
465 | def restart_kernel(self, message, now=False): |
|
465 | def restart_kernel(self, message, now=False): | |
466 | """ Attempts to restart the running kernel. |
|
466 | """ Attempts to restart the running kernel. | |
467 | """ |
|
467 | """ | |
468 | # FIXME: now should be configurable via a checkbox in the dialog. Right |
|
468 | # FIXME: now should be configurable via a checkbox in the dialog. Right | |
469 | # now at least the heartbeat path sets it to True and the manual restart |
|
469 | # now at least the heartbeat path sets it to True and the manual restart | |
470 | # to False. But those should just be the pre-selected states of a |
|
470 | # to False. But those should just be the pre-selected states of a | |
471 | # checkbox that the user could override if so desired. But I don't know |
|
471 | # checkbox that the user could override if so desired. But I don't know | |
472 | # enough Qt to go implementing the checkbox now. |
|
472 | # enough Qt to go implementing the checkbox now. | |
473 |
|
473 | |||
474 | if self.custom_restart: |
|
474 | if self.custom_restart: | |
475 | self.custom_restart_requested.emit() |
|
475 | self.custom_restart_requested.emit() | |
476 |
|
476 | |||
477 | elif self.kernel_manager.has_kernel: |
|
477 | elif self.kernel_manager.has_kernel: | |
478 | # Pause the heart beat channel to prevent further warnings. |
|
478 | # Pause the heart beat channel to prevent further warnings. | |
479 | self.kernel_manager.hb_channel.pause() |
|
479 | self.kernel_manager.hb_channel.pause() | |
480 |
|
480 | |||
481 | # Prompt the user to restart the kernel. Un-pause the heartbeat if |
|
481 | # Prompt the user to restart the kernel. Un-pause the heartbeat if | |
482 | # they decline. (If they accept, the heartbeat will be un-paused |
|
482 | # they decline. (If they accept, the heartbeat will be un-paused | |
483 | # automatically when the kernel is restarted.) |
|
483 | # automatically when the kernel is restarted.) | |
484 | buttons = QtGui.QMessageBox.Yes | QtGui.QMessageBox.No |
|
484 | buttons = QtGui.QMessageBox.Yes | QtGui.QMessageBox.No | |
485 | result = QtGui.QMessageBox.question(self, 'Restart kernel?', |
|
485 | result = QtGui.QMessageBox.question(self, 'Restart kernel?', | |
486 | message, buttons) |
|
486 | message, buttons) | |
487 | if result == QtGui.QMessageBox.Yes: |
|
487 | if result == QtGui.QMessageBox.Yes: | |
488 | try: |
|
488 | try: | |
489 | self.kernel_manager.restart_kernel(now=now) |
|
489 | self.kernel_manager.restart_kernel(now=now) | |
490 | except RuntimeError: |
|
490 | except RuntimeError: | |
491 | self._append_plain_text('Kernel started externally. ' |
|
491 | self._append_plain_text('Kernel started externally. ' | |
492 | 'Cannot restart.\n') |
|
492 | 'Cannot restart.\n') | |
493 | else: |
|
493 | else: | |
494 | self.reset() |
|
494 | self.reset() | |
495 | else: |
|
495 | else: | |
496 | self.kernel_manager.hb_channel.unpause() |
|
496 | self.kernel_manager.hb_channel.unpause() | |
497 |
|
497 | |||
498 | else: |
|
498 | else: | |
499 | self._append_plain_text('Kernel process is either remote or ' |
|
499 | self._append_plain_text('Kernel process is either remote or ' | |
500 | 'unspecified. Cannot restart.\n') |
|
500 | 'unspecified. Cannot restart.\n') | |
501 |
|
501 | |||
502 | #--------------------------------------------------------------------------- |
|
502 | #--------------------------------------------------------------------------- | |
503 | # 'FrontendWidget' protected interface |
|
503 | # 'FrontendWidget' protected interface | |
504 | #--------------------------------------------------------------------------- |
|
504 | #--------------------------------------------------------------------------- | |
505 |
|
505 | |||
506 | def _call_tip(self): |
|
506 | def _call_tip(self): | |
507 | """ Shows a call tip, if appropriate, at the current cursor location. |
|
507 | """ Shows a call tip, if appropriate, at the current cursor location. | |
508 | """ |
|
508 | """ | |
509 | # Decide if it makes sense to show a call tip |
|
509 | # Decide if it makes sense to show a call tip | |
510 | cursor = self._get_cursor() |
|
510 | cursor = self._get_cursor() | |
511 | cursor.movePosition(QtGui.QTextCursor.Left) |
|
511 | cursor.movePosition(QtGui.QTextCursor.Left) | |
512 | if cursor.document().characterAt(cursor.position()) != '(': |
|
512 | if cursor.document().characterAt(cursor.position()) != '(': | |
513 | return False |
|
513 | return False | |
514 | context = self._get_context(cursor) |
|
514 | context = self._get_context(cursor) | |
515 | if not context: |
|
515 | if not context: | |
516 | return False |
|
516 | return False | |
517 |
|
517 | |||
518 | # Send the metadata request to the kernel |
|
518 | # Send the metadata request to the kernel | |
519 | name = '.'.join(context) |
|
519 | name = '.'.join(context) | |
520 | msg_id = self.kernel_manager.xreq_channel.object_info(name) |
|
520 | msg_id = self.kernel_manager.xreq_channel.object_info(name) | |
521 | pos = self._get_cursor().position() |
|
521 | pos = self._get_cursor().position() | |
522 | self._request_info['call_tip'] = self._CallTipRequest(msg_id, pos) |
|
522 | self._request_info['call_tip'] = self._CallTipRequest(msg_id, pos) | |
523 | return True |
|
523 | return True | |
524 |
|
524 | |||
525 | def _complete(self): |
|
525 | def _complete(self): | |
526 | """ Performs completion at the current cursor location. |
|
526 | """ Performs completion at the current cursor location. | |
527 | """ |
|
527 | """ | |
528 | context = self._get_context() |
|
528 | context = self._get_context() | |
529 | if context: |
|
529 | if context: | |
530 | # Send the completion request to the kernel |
|
530 | # Send the completion request to the kernel | |
531 | msg_id = self.kernel_manager.xreq_channel.complete( |
|
531 | msg_id = self.kernel_manager.xreq_channel.complete( | |
532 | '.'.join(context), # text |
|
532 | '.'.join(context), # text | |
533 | self._get_input_buffer_cursor_line(), # line |
|
533 | self._get_input_buffer_cursor_line(), # line | |
534 | self._get_input_buffer_cursor_column(), # cursor_pos |
|
534 | self._get_input_buffer_cursor_column(), # cursor_pos | |
535 | self.input_buffer) # block |
|
535 | self.input_buffer) # block | |
536 | pos = self._get_cursor().position() |
|
536 | pos = self._get_cursor().position() | |
537 | info = self._CompletionRequest(msg_id, pos) |
|
537 | info = self._CompletionRequest(msg_id, pos) | |
538 | self._request_info['complete'] = info |
|
538 | self._request_info['complete'] = info | |
539 |
|
539 | |||
540 | def _get_banner(self): |
|
540 | def _get_banner(self): | |
541 | """ Gets a banner to display at the beginning of a session. |
|
541 | """ Gets a banner to display at the beginning of a session. | |
542 | """ |
|
542 | """ | |
543 | banner = 'Python %s on %s\nType "help", "copyright", "credits" or ' \ |
|
543 | banner = 'Python %s on %s\nType "help", "copyright", "credits" or ' \ | |
544 | '"license" for more information.' |
|
544 | '"license" for more information.' | |
545 | return banner % (sys.version, sys.platform) |
|
545 | return banner % (sys.version, sys.platform) | |
546 |
|
546 | |||
547 | def _get_context(self, cursor=None): |
|
547 | def _get_context(self, cursor=None): | |
548 | """ Gets the context for the specified cursor (or the current cursor |
|
548 | """ Gets the context for the specified cursor (or the current cursor | |
549 | if none is specified). |
|
549 | if none is specified). | |
550 | """ |
|
550 | """ | |
551 | if cursor is None: |
|
551 | if cursor is None: | |
552 | cursor = self._get_cursor() |
|
552 | cursor = self._get_cursor() | |
553 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock, |
|
553 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock, | |
554 | QtGui.QTextCursor.KeepAnchor) |
|
554 | QtGui.QTextCursor.KeepAnchor) | |
555 | text = cursor.selection().toPlainText() |
|
555 | text = cursor.selection().toPlainText() | |
556 | return self._completion_lexer.get_context(text) |
|
556 | return self._completion_lexer.get_context(text) | |
557 |
|
557 | |||
558 | def _process_execute_abort(self, msg): |
|
558 | def _process_execute_abort(self, msg): | |
559 | """ Process a reply for an aborted execution request. |
|
559 | """ Process a reply for an aborted execution request. | |
560 | """ |
|
560 | """ | |
561 | self._append_plain_text("ERROR: execution aborted\n") |
|
561 | self._append_plain_text("ERROR: execution aborted\n") | |
562 |
|
562 | |||
563 | def _process_execute_error(self, msg): |
|
563 | def _process_execute_error(self, msg): | |
564 | """ Process a reply for an execution request that resulted in an error. |
|
564 | """ Process a reply for an execution request that resulted in an error. | |
565 | """ |
|
565 | """ | |
566 | content = msg['content'] |
|
566 | content = msg['content'] | |
567 | # If a SystemExit is passed along, this means exit() was called - also |
|
567 | # If a SystemExit is passed along, this means exit() was called - also | |
568 | # all the ipython %exit magic syntax of '-k' to be used to keep |
|
568 | # all the ipython %exit magic syntax of '-k' to be used to keep | |
569 | # the kernel running |
|
569 | # the kernel running | |
570 | if content['ename']=='SystemExit': |
|
570 | if content['ename']=='SystemExit': | |
571 | keepkernel = content['evalue']=='-k' or content['evalue']=='True' |
|
571 | keepkernel = content['evalue']=='-k' or content['evalue']=='True' | |
572 | self._keep_kernel_on_exit = keepkernel |
|
572 | self._keep_kernel_on_exit = keepkernel | |
573 | self.exit_requested.emit() |
|
573 | self.exit_requested.emit() | |
574 | else: |
|
574 | else: | |
575 | traceback = ''.join(content['traceback']) |
|
575 | traceback = ''.join(content['traceback']) | |
576 | self._append_plain_text(traceback) |
|
576 | self._append_plain_text(traceback) | |
577 |
|
577 | |||
578 | def _process_execute_ok(self, msg): |
|
578 | def _process_execute_ok(self, msg): | |
579 | """ Process a reply for a successful execution equest. |
|
579 | """ Process a reply for a successful execution equest. | |
580 | """ |
|
580 | """ | |
581 | payload = msg['content']['payload'] |
|
581 | payload = msg['content']['payload'] | |
582 | for item in payload: |
|
582 | for item in payload: | |
583 | if not self._process_execute_payload(item): |
|
583 | if not self._process_execute_payload(item): | |
584 | warning = 'Warning: received unknown payload of type %s' |
|
584 | warning = 'Warning: received unknown payload of type %s' | |
585 | print(warning % repr(item['source'])) |
|
585 | print(warning % repr(item['source'])) | |
586 |
|
586 | |||
587 | def _process_execute_payload(self, item): |
|
587 | def _process_execute_payload(self, item): | |
588 | """ Process a single payload item from the list of payload items in an |
|
588 | """ Process a single payload item from the list of payload items in an | |
589 | execution reply. Returns whether the payload was handled. |
|
589 | execution reply. Returns whether the payload was handled. | |
590 | """ |
|
590 | """ | |
591 | # The basic FrontendWidget doesn't handle payloads, as they are a |
|
591 | # The basic FrontendWidget doesn't handle payloads, as they are a | |
592 | # mechanism for going beyond the standard Python interpreter model. |
|
592 | # mechanism for going beyond the standard Python interpreter model. | |
593 | return False |
|
593 | return False | |
594 |
|
594 | |||
595 | def _show_interpreter_prompt(self): |
|
595 | def _show_interpreter_prompt(self): | |
596 | """ Shows a prompt for the interpreter. |
|
596 | """ Shows a prompt for the interpreter. | |
597 | """ |
|
597 | """ | |
598 | self._show_prompt('>>> ') |
|
598 | self._show_prompt('>>> ') | |
599 |
|
599 | |||
600 | def _show_interpreter_prompt_for_reply(self, msg): |
|
600 | def _show_interpreter_prompt_for_reply(self, msg): | |
601 | """ Shows a prompt for the interpreter given an 'execute_reply' message. |
|
601 | """ Shows a prompt for the interpreter given an 'execute_reply' message. | |
602 | """ |
|
602 | """ | |
603 | self._show_interpreter_prompt() |
|
603 | self._show_interpreter_prompt() | |
604 |
|
604 | |||
605 | #------ Signal handlers ---------------------------------------------------- |
|
605 | #------ Signal handlers ---------------------------------------------------- | |
606 |
|
606 | |||
607 | def _document_contents_change(self, position, removed, added): |
|
607 | def _document_contents_change(self, position, removed, added): | |
608 | """ Called whenever the document's content changes. Display a call tip |
|
608 | """ Called whenever the document's content changes. Display a call tip | |
609 | if appropriate. |
|
609 | if appropriate. | |
610 | """ |
|
610 | """ | |
611 | # Calculate where the cursor should be *after* the change: |
|
611 | # Calculate where the cursor should be *after* the change: | |
612 | position += added |
|
612 | position += added | |
613 |
|
613 | |||
614 | document = self._control.document() |
|
614 | document = self._control.document() | |
615 | if position == self._get_cursor().position(): |
|
615 | if position == self._get_cursor().position(): | |
616 | self._call_tip() |
|
616 | self._call_tip() |
@@ -1,490 +1,496 b'' | |||||
1 | """ A FrontendWidget that emulates the interface of the console IPython and |
|
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 re |
|
12 | import re | |
12 | from subprocess import Popen |
|
13 | from subprocess import Popen | |
|
14 | import sys | |||
13 | from textwrap import dedent |
|
15 | from textwrap import dedent | |
14 |
|
16 | |||
15 | # System library imports |
|
17 | # System library imports | |
16 | from IPython.external.qt import QtCore, QtGui |
|
18 | from IPython.external.qt import QtCore, QtGui | |
17 |
|
19 | |||
18 | # Local imports |
|
20 | # Local imports | |
19 | from IPython.core.inputsplitter import IPythonInputSplitter, \ |
|
21 | from IPython.core.inputsplitter import IPythonInputSplitter, \ | |
20 | transform_ipy_prompt |
|
22 | transform_ipy_prompt | |
21 | from IPython.core.usage import default_gui_banner |
|
23 | from IPython.core.usage import default_gui_banner | |
22 | from IPython.utils.traitlets import Bool, Str, Unicode |
|
24 | from IPython.utils.traitlets import Bool, Str, Unicode | |
23 | from frontend_widget import FrontendWidget |
|
25 | from frontend_widget import FrontendWidget | |
24 | from styles import (default_light_style_sheet, default_light_syntax_style, |
|
26 | from styles import (default_light_style_sheet, default_light_syntax_style, | |
25 | default_dark_style_sheet, default_dark_syntax_style, |
|
27 | default_dark_style_sheet, default_dark_syntax_style, | |
26 | default_bw_style_sheet, default_bw_syntax_style) |
|
28 | default_bw_style_sheet, default_bw_syntax_style) | |
27 |
|
29 | |||
28 | #----------------------------------------------------------------------------- |
|
30 | #----------------------------------------------------------------------------- | |
29 | # Constants |
|
31 | # Constants | |
30 | #----------------------------------------------------------------------------- |
|
32 | #----------------------------------------------------------------------------- | |
31 |
|
33 | |||
32 | # Default strings to build and display input and output prompts (and separators |
|
34 | # Default strings to build and display input and output prompts (and separators | |
33 | # in between) |
|
35 | # in between) | |
34 | default_in_prompt = 'In [<span class="in-prompt-number">%i</span>]: ' |
|
36 | default_in_prompt = 'In [<span class="in-prompt-number">%i</span>]: ' | |
35 | default_out_prompt = 'Out[<span class="out-prompt-number">%i</span>]: ' |
|
37 | default_out_prompt = 'Out[<span class="out-prompt-number">%i</span>]: ' | |
36 | default_input_sep = '\n' |
|
38 | default_input_sep = '\n' | |
37 | default_output_sep = '' |
|
39 | default_output_sep = '' | |
38 | default_output_sep2 = '' |
|
40 | default_output_sep2 = '' | |
39 |
|
41 | |||
40 | # Base path for most payload sources. |
|
42 | # Base path for most payload sources. | |
41 | zmq_shell_source = 'IPython.zmq.zmqshell.ZMQInteractiveShell' |
|
43 | zmq_shell_source = 'IPython.zmq.zmqshell.ZMQInteractiveShell' | |
42 |
|
44 | |||
43 | #----------------------------------------------------------------------------- |
|
45 | #----------------------------------------------------------------------------- | |
44 | # IPythonWidget class |
|
46 | # IPythonWidget class | |
45 | #----------------------------------------------------------------------------- |
|
47 | #----------------------------------------------------------------------------- | |
46 |
|
48 | |||
47 | class IPythonWidget(FrontendWidget): |
|
49 | class IPythonWidget(FrontendWidget): | |
48 | """ A FrontendWidget for an IPython kernel. |
|
50 | """ A FrontendWidget for an IPython kernel. | |
49 | """ |
|
51 | """ | |
50 |
|
52 | |||
51 | # If set, the 'custom_edit_requested(str, int)' signal will be emitted when |
|
53 | # If set, the 'custom_edit_requested(str, int)' signal will be emitted when | |
52 | # an editor is needed for a file. This overrides 'editor' and 'editor_line' |
|
54 | # an editor is needed for a file. This overrides 'editor' and 'editor_line' | |
53 | # settings. |
|
55 | # settings. | |
54 | custom_edit = Bool(False) |
|
56 | custom_edit = Bool(False) | |
55 | custom_edit_requested = QtCore.Signal(object, object) |
|
57 | custom_edit_requested = QtCore.Signal(object, object) | |
56 |
|
58 | |||
57 | # A command for invoking a system text editor. If the string contains a |
|
59 | # A command for invoking a system text editor. If the string contains a | |
58 | # {filename} format specifier, it will be used. Otherwise, the filename will |
|
60 | # {filename} format specifier, it will be used. Otherwise, the filename will | |
59 | # be appended to the end the command. |
|
61 | # be appended to the end the command. | |
60 | editor = Unicode('default', config=True) |
|
62 | editor = Unicode('default', config=True) | |
61 |
|
63 | |||
62 | # The editor command to use when a specific line number is requested. The |
|
64 | # The editor command to use when a specific line number is requested. The | |
63 | # string should contain two format specifiers: {line} and {filename}. If |
|
65 | # string should contain two format specifiers: {line} and {filename}. If | |
64 | # this parameter is not specified, the line number option to the %edit magic |
|
66 | # this parameter is not specified, the line number option to the %edit magic | |
65 | # will be ignored. |
|
67 | # will be ignored. | |
66 | editor_line = Unicode(config=True) |
|
68 | editor_line = Unicode(config=True) | |
67 |
|
69 | |||
68 | # A CSS stylesheet. The stylesheet can contain classes for: |
|
70 | # A CSS stylesheet. The stylesheet can contain classes for: | |
69 | # 1. Qt: QPlainTextEdit, QFrame, QWidget, etc |
|
71 | # 1. Qt: QPlainTextEdit, QFrame, QWidget, etc | |
70 | # 2. Pygments: .c, .k, .o, etc (see PygmentsHighlighter) |
|
72 | # 2. Pygments: .c, .k, .o, etc (see PygmentsHighlighter) | |
71 | # 3. IPython: .error, .in-prompt, .out-prompt, etc |
|
73 | # 3. IPython: .error, .in-prompt, .out-prompt, etc | |
72 | style_sheet = Unicode(config=True) |
|
74 | style_sheet = Unicode(config=True) | |
73 |
|
75 | |||
74 | # If not empty, use this Pygments style for syntax highlighting. Otherwise, |
|
76 | # If not empty, use this Pygments style for syntax highlighting. Otherwise, | |
75 | # the style sheet is queried for Pygments style information. |
|
77 | # the style sheet is queried for Pygments style information. | |
76 | syntax_style = Str(config=True) |
|
78 | syntax_style = Str(config=True) | |
77 |
|
79 | |||
78 | # Prompts. |
|
80 | # Prompts. | |
79 | in_prompt = Str(default_in_prompt, config=True) |
|
81 | in_prompt = Str(default_in_prompt, config=True) | |
80 | out_prompt = Str(default_out_prompt, config=True) |
|
82 | out_prompt = Str(default_out_prompt, config=True) | |
81 | input_sep = Str(default_input_sep, config=True) |
|
83 | input_sep = Str(default_input_sep, config=True) | |
82 | output_sep = Str(default_output_sep, config=True) |
|
84 | output_sep = Str(default_output_sep, config=True) | |
83 | output_sep2 = Str(default_output_sep2, config=True) |
|
85 | output_sep2 = Str(default_output_sep2, config=True) | |
84 |
|
86 | |||
85 | # FrontendWidget protected class variables. |
|
87 | # FrontendWidget protected class variables. | |
86 | _input_splitter_class = IPythonInputSplitter |
|
88 | _input_splitter_class = IPythonInputSplitter | |
87 |
|
89 | |||
88 | # IPythonWidget protected class variables. |
|
90 | # IPythonWidget protected class variables. | |
89 | _PromptBlock = namedtuple('_PromptBlock', ['block', 'length', 'number']) |
|
91 | _PromptBlock = namedtuple('_PromptBlock', ['block', 'length', 'number']) | |
90 | _payload_source_edit = zmq_shell_source + '.edit_magic' |
|
92 | _payload_source_edit = zmq_shell_source + '.edit_magic' | |
91 | _payload_source_exit = zmq_shell_source + '.ask_exit' |
|
93 | _payload_source_exit = zmq_shell_source + '.ask_exit' | |
92 | _payload_source_loadpy = zmq_shell_source + '.magic_loadpy' |
|
94 | _payload_source_loadpy = zmq_shell_source + '.magic_loadpy' | |
93 | _payload_source_page = 'IPython.zmq.page.page' |
|
95 | _payload_source_page = 'IPython.zmq.page.page' | |
94 |
|
96 | |||
95 | #--------------------------------------------------------------------------- |
|
97 | #--------------------------------------------------------------------------- | |
96 | # 'object' interface |
|
98 | # 'object' interface | |
97 | #--------------------------------------------------------------------------- |
|
99 | #--------------------------------------------------------------------------- | |
98 |
|
100 | |||
99 | def __init__(self, *args, **kw): |
|
101 | def __init__(self, *args, **kw): | |
100 | super(IPythonWidget, self).__init__(*args, **kw) |
|
102 | super(IPythonWidget, self).__init__(*args, **kw) | |
101 |
|
103 | |||
102 | # IPythonWidget protected variables. |
|
104 | # IPythonWidget protected variables. | |
103 | self._code_to_load = None |
|
105 | self._code_to_load = None | |
104 | self._payload_handlers = { |
|
106 | self._payload_handlers = { | |
105 | self._payload_source_edit : self._handle_payload_edit, |
|
107 | self._payload_source_edit : self._handle_payload_edit, | |
106 | self._payload_source_exit : self._handle_payload_exit, |
|
108 | self._payload_source_exit : self._handle_payload_exit, | |
107 | self._payload_source_page : self._handle_payload_page, |
|
109 | self._payload_source_page : self._handle_payload_page, | |
108 | self._payload_source_loadpy : self._handle_payload_loadpy } |
|
110 | self._payload_source_loadpy : self._handle_payload_loadpy } | |
109 | self._previous_prompt_obj = None |
|
111 | self._previous_prompt_obj = None | |
110 | self._keep_kernel_on_exit = None |
|
112 | self._keep_kernel_on_exit = None | |
111 |
|
113 | |||
112 | # Initialize widget styling. |
|
114 | # Initialize widget styling. | |
113 | if self.style_sheet: |
|
115 | if self.style_sheet: | |
114 | self._style_sheet_changed() |
|
116 | self._style_sheet_changed() | |
115 | self._syntax_style_changed() |
|
117 | self._syntax_style_changed() | |
116 | else: |
|
118 | else: | |
117 | self.set_default_style() |
|
119 | self.set_default_style() | |
118 |
|
120 | |||
119 | #--------------------------------------------------------------------------- |
|
121 | #--------------------------------------------------------------------------- | |
120 | # 'BaseFrontendMixin' abstract interface |
|
122 | # 'BaseFrontendMixin' abstract interface | |
121 | #--------------------------------------------------------------------------- |
|
123 | #--------------------------------------------------------------------------- | |
122 |
|
124 | |||
123 | def _handle_complete_reply(self, rep): |
|
125 | def _handle_complete_reply(self, rep): | |
124 | """ Reimplemented to support IPython's improved completion machinery. |
|
126 | """ Reimplemented to support IPython's improved completion machinery. | |
125 | """ |
|
127 | """ | |
126 | cursor = self._get_cursor() |
|
128 | cursor = self._get_cursor() | |
127 | info = self._request_info.get('complete') |
|
129 | info = self._request_info.get('complete') | |
128 | if info and info.id == rep['parent_header']['msg_id'] and \ |
|
130 | if info and info.id == rep['parent_header']['msg_id'] and \ | |
129 | info.pos == cursor.position(): |
|
131 | info.pos == cursor.position(): | |
130 | matches = rep['content']['matches'] |
|
132 | matches = rep['content']['matches'] | |
131 | text = rep['content']['matched_text'] |
|
133 | text = rep['content']['matched_text'] | |
132 | offset = len(text) |
|
134 | offset = len(text) | |
133 |
|
135 | |||
134 | # Clean up matches with period and path separators if the matched |
|
136 | # Clean up matches with period and path separators if the matched | |
135 | # text has not been transformed. This is done by truncating all |
|
137 | # text has not been transformed. This is done by truncating all | |
136 | # but the last component and then suitably decreasing the offset |
|
138 | # but the last component and then suitably decreasing the offset | |
137 | # between the current cursor position and the start of completion. |
|
139 | # between the current cursor position and the start of completion. | |
138 | if len(matches) > 1 and matches[0][:offset] == text: |
|
140 | if len(matches) > 1 and matches[0][:offset] == text: | |
139 | parts = re.split(r'[./\\]', text) |
|
141 | parts = re.split(r'[./\\]', text) | |
140 | sep_count = len(parts) - 1 |
|
142 | sep_count = len(parts) - 1 | |
141 | if sep_count: |
|
143 | if sep_count: | |
142 | chop_length = sum(map(len, parts[:sep_count])) + sep_count |
|
144 | chop_length = sum(map(len, parts[:sep_count])) + sep_count | |
143 | matches = [ match[chop_length:] for match in matches ] |
|
145 | matches = [ match[chop_length:] for match in matches ] | |
144 | offset -= chop_length |
|
146 | offset -= chop_length | |
145 |
|
147 | |||
146 | # Move the cursor to the start of the match and complete. |
|
148 | # Move the cursor to the start of the match and complete. | |
147 | cursor.movePosition(QtGui.QTextCursor.Left, n=offset) |
|
149 | cursor.movePosition(QtGui.QTextCursor.Left, n=offset) | |
148 | self._complete_with_items(cursor, matches) |
|
150 | self._complete_with_items(cursor, matches) | |
149 |
|
151 | |||
150 | def _handle_execute_reply(self, msg): |
|
152 | def _handle_execute_reply(self, msg): | |
151 | """ Reimplemented to support prompt requests. |
|
153 | """ Reimplemented to support prompt requests. | |
152 | """ |
|
154 | """ | |
153 | info = self._request_info.get('execute') |
|
155 | info = self._request_info.get('execute') | |
154 | if info and info.id == msg['parent_header']['msg_id']: |
|
156 | if info and info.id == msg['parent_header']['msg_id']: | |
155 | if info.kind == 'prompt': |
|
157 | if info.kind == 'prompt': | |
156 | number = msg['content']['execution_count'] + 1 |
|
158 | number = msg['content']['execution_count'] + 1 | |
157 | self._show_interpreter_prompt(number) |
|
159 | self._show_interpreter_prompt(number) | |
158 | else: |
|
160 | else: | |
159 | super(IPythonWidget, self)._handle_execute_reply(msg) |
|
161 | super(IPythonWidget, self)._handle_execute_reply(msg) | |
160 |
|
162 | |||
161 | def _handle_history_tail_reply(self, msg): |
|
163 | def _handle_history_tail_reply(self, msg): | |
162 | """ Implemented to handle history tail replies, which are only supported |
|
164 | """ Implemented to handle history tail replies, which are only supported | |
163 | by the IPython kernel. |
|
165 | by the IPython kernel. | |
164 | """ |
|
166 | """ | |
165 | history_items = msg['content']['history'] |
|
167 | history_items = msg['content']['history'] | |
166 | items = [ line.rstrip() for _, _, line in history_items ] |
|
168 | items = [ line.rstrip() for _, _, line in history_items ] | |
167 | self._set_history(items) |
|
169 | self._set_history(items) | |
168 |
|
170 | |||
169 | def _handle_pyout(self, msg): |
|
171 | def _handle_pyout(self, msg): | |
170 | """ Reimplemented for IPython-style "display hook". |
|
172 | """ Reimplemented for IPython-style "display hook". | |
171 | """ |
|
173 | """ | |
172 | if not self._hidden and self._is_from_this_session(msg): |
|
174 | if not self._hidden and self._is_from_this_session(msg): | |
173 | content = msg['content'] |
|
175 | content = msg['content'] | |
174 | prompt_number = content['execution_count'] |
|
176 | prompt_number = content['execution_count'] | |
175 | data = content['data'] |
|
177 | data = content['data'] | |
176 | if data.has_key('text/html'): |
|
178 | if data.has_key('text/html'): | |
177 | self._append_plain_text(self.output_sep) |
|
179 | self._append_plain_text(self.output_sep) | |
178 | self._append_html(self._make_out_prompt(prompt_number)) |
|
180 | self._append_html(self._make_out_prompt(prompt_number)) | |
179 | html = data['text/html'] |
|
181 | html = data['text/html'] | |
180 | self._append_plain_text('\n') |
|
182 | self._append_plain_text('\n') | |
181 | self._append_html(html + self.output_sep2) |
|
183 | self._append_html(html + self.output_sep2) | |
182 | elif data.has_key('text/plain'): |
|
184 | elif data.has_key('text/plain'): | |
183 | self._append_plain_text(self.output_sep) |
|
185 | self._append_plain_text(self.output_sep) | |
184 | self._append_html(self._make_out_prompt(prompt_number)) |
|
186 | self._append_html(self._make_out_prompt(prompt_number)) | |
185 | text = data['text/plain'] |
|
187 | text = data['text/plain'] | |
186 | self._append_plain_text(text + self.output_sep2) |
|
188 | self._append_plain_text(text + self.output_sep2) | |
187 |
|
189 | |||
188 | def _handle_display_data(self, msg): |
|
190 | def _handle_display_data(self, msg): | |
189 | """ The base handler for the ``display_data`` message. |
|
191 | """ The base handler for the ``display_data`` message. | |
190 | """ |
|
192 | """ | |
191 | # For now, we don't display data from other frontends, but we |
|
193 | # For now, we don't display data from other frontends, but we | |
192 | # eventually will as this allows all frontends to monitor the display |
|
194 | # eventually will as this allows all frontends to monitor the display | |
193 | # data. But we need to figure out how to handle this in the GUI. |
|
195 | # data. But we need to figure out how to handle this in the GUI. | |
194 | if not self._hidden and self._is_from_this_session(msg): |
|
196 | if not self._hidden and self._is_from_this_session(msg): | |
195 | source = msg['content']['source'] |
|
197 | source = msg['content']['source'] | |
196 | data = msg['content']['data'] |
|
198 | data = msg['content']['data'] | |
197 | metadata = msg['content']['metadata'] |
|
199 | metadata = msg['content']['metadata'] | |
198 | # In the regular IPythonWidget, we simply print the plain text |
|
200 | # In the regular IPythonWidget, we simply print the plain text | |
199 | # representation. |
|
201 | # representation. | |
200 | if data.has_key('text/html'): |
|
202 | if data.has_key('text/html'): | |
201 | html = data['text/html'] |
|
203 | html = data['text/html'] | |
202 | self._append_html(html) |
|
204 | self._append_html(html) | |
203 | elif data.has_key('text/plain'): |
|
205 | elif data.has_key('text/plain'): | |
204 | text = data['text/plain'] |
|
206 | text = data['text/plain'] | |
205 | self._append_plain_text(text) |
|
207 | self._append_plain_text(text) | |
206 | # This newline seems to be needed for text and html output. |
|
208 | # This newline seems to be needed for text and html output. | |
207 | self._append_plain_text(u'\n') |
|
209 | self._append_plain_text(u'\n') | |
208 |
|
210 | |||
209 | def _started_channels(self): |
|
211 | def _started_channels(self): | |
210 | """ Reimplemented to make a history request. |
|
212 | """ Reimplemented to make a history request. | |
211 | """ |
|
213 | """ | |
212 | super(IPythonWidget, self)._started_channels() |
|
214 | super(IPythonWidget, self)._started_channels() | |
213 | self.kernel_manager.xreq_channel.history_tail(1000) |
|
215 | self.kernel_manager.xreq_channel.history_tail(1000) | |
214 |
|
216 | |||
215 | #--------------------------------------------------------------------------- |
|
217 | #--------------------------------------------------------------------------- | |
216 | # 'ConsoleWidget' public interface |
|
218 | # 'ConsoleWidget' public interface | |
217 | #--------------------------------------------------------------------------- |
|
219 | #--------------------------------------------------------------------------- | |
218 |
|
220 | |||
219 | def copy(self): |
|
221 | def copy(self): | |
220 | """ Copy the currently selected text to the clipboard, removing prompts |
|
222 | """ Copy the currently selected text to the clipboard, removing prompts | |
221 | if possible. |
|
223 | if possible. | |
222 | """ |
|
224 | """ | |
223 | text = self._control.textCursor().selection().toPlainText() |
|
225 | text = self._control.textCursor().selection().toPlainText() | |
224 | if text: |
|
226 | if text: | |
225 | lines = map(transform_ipy_prompt, text.splitlines()) |
|
227 | lines = map(transform_ipy_prompt, text.splitlines()) | |
226 | text = '\n'.join(lines) |
|
228 | text = '\n'.join(lines) | |
227 | QtGui.QApplication.clipboard().setText(text) |
|
229 | QtGui.QApplication.clipboard().setText(text) | |
228 |
|
230 | |||
229 | #--------------------------------------------------------------------------- |
|
231 | #--------------------------------------------------------------------------- | |
230 | # 'FrontendWidget' public interface |
|
232 | # 'FrontendWidget' public interface | |
231 | #--------------------------------------------------------------------------- |
|
233 | #--------------------------------------------------------------------------- | |
232 |
|
234 | |||
233 | def execute_file(self, path, hidden=False): |
|
235 | def execute_file(self, path, hidden=False): | |
234 | """ Reimplemented to use the 'run' magic. |
|
236 | """ Reimplemented to use the 'run' magic. | |
235 | """ |
|
237 | """ | |
|
238 | # Use forward slashes on Windows to avoid escaping each separator. | |||
|
239 | if sys.platform == 'win32': | |||
|
240 | path = os.path.normpath(path).replace('\\', '/') | |||
|
241 | ||||
236 | self.execute('%%run %s' % path, hidden=hidden) |
|
242 | self.execute('%%run %s' % path, hidden=hidden) | |
237 |
|
243 | |||
238 | #--------------------------------------------------------------------------- |
|
244 | #--------------------------------------------------------------------------- | |
239 | # 'FrontendWidget' protected interface |
|
245 | # 'FrontendWidget' protected interface | |
240 | #--------------------------------------------------------------------------- |
|
246 | #--------------------------------------------------------------------------- | |
241 |
|
247 | |||
242 | def _complete(self): |
|
248 | def _complete(self): | |
243 | """ Reimplemented to support IPython's improved completion machinery. |
|
249 | """ Reimplemented to support IPython's improved completion machinery. | |
244 | """ |
|
250 | """ | |
245 | # We let the kernel split the input line, so we *always* send an empty |
|
251 | # We let the kernel split the input line, so we *always* send an empty | |
246 | # text field. Readline-based frontends do get a real text field which |
|
252 | # text field. Readline-based frontends do get a real text field which | |
247 | # they can use. |
|
253 | # they can use. | |
248 | text = '' |
|
254 | text = '' | |
249 |
|
255 | |||
250 | # Send the completion request to the kernel |
|
256 | # Send the completion request to the kernel | |
251 | msg_id = self.kernel_manager.xreq_channel.complete( |
|
257 | msg_id = self.kernel_manager.xreq_channel.complete( | |
252 | text, # text |
|
258 | text, # text | |
253 | self._get_input_buffer_cursor_line(), # line |
|
259 | self._get_input_buffer_cursor_line(), # line | |
254 | self._get_input_buffer_cursor_column(), # cursor_pos |
|
260 | self._get_input_buffer_cursor_column(), # cursor_pos | |
255 | self.input_buffer) # block |
|
261 | self.input_buffer) # block | |
256 | pos = self._get_cursor().position() |
|
262 | pos = self._get_cursor().position() | |
257 | info = self._CompletionRequest(msg_id, pos) |
|
263 | info = self._CompletionRequest(msg_id, pos) | |
258 | self._request_info['complete'] = info |
|
264 | self._request_info['complete'] = info | |
259 |
|
265 | |||
260 | def _get_banner(self): |
|
266 | def _get_banner(self): | |
261 | """ Reimplemented to return IPython's default banner. |
|
267 | """ Reimplemented to return IPython's default banner. | |
262 | """ |
|
268 | """ | |
263 | return default_gui_banner |
|
269 | return default_gui_banner | |
264 |
|
270 | |||
265 | def _process_execute_error(self, msg): |
|
271 | def _process_execute_error(self, msg): | |
266 | """ Reimplemented for IPython-style traceback formatting. |
|
272 | """ Reimplemented for IPython-style traceback formatting. | |
267 | """ |
|
273 | """ | |
268 | content = msg['content'] |
|
274 | content = msg['content'] | |
269 | traceback = '\n'.join(content['traceback']) + '\n' |
|
275 | traceback = '\n'.join(content['traceback']) + '\n' | |
270 | if False: |
|
276 | if False: | |
271 | # FIXME: For now, tracebacks come as plain text, so we can't use |
|
277 | # FIXME: For now, tracebacks come as plain text, so we can't use | |
272 | # the html renderer yet. Once we refactor ultratb to produce |
|
278 | # the html renderer yet. Once we refactor ultratb to produce | |
273 | # properly styled tracebacks, this branch should be the default |
|
279 | # properly styled tracebacks, this branch should be the default | |
274 | traceback = traceback.replace(' ', ' ') |
|
280 | traceback = traceback.replace(' ', ' ') | |
275 | traceback = traceback.replace('\n', '<br/>') |
|
281 | traceback = traceback.replace('\n', '<br/>') | |
276 |
|
282 | |||
277 | ename = content['ename'] |
|
283 | ename = content['ename'] | |
278 | ename_styled = '<span class="error">%s</span>' % ename |
|
284 | ename_styled = '<span class="error">%s</span>' % ename | |
279 | traceback = traceback.replace(ename, ename_styled) |
|
285 | traceback = traceback.replace(ename, ename_styled) | |
280 |
|
286 | |||
281 | self._append_html(traceback) |
|
287 | self._append_html(traceback) | |
282 | else: |
|
288 | else: | |
283 | # This is the fallback for now, using plain text with ansi escapes |
|
289 | # This is the fallback for now, using plain text with ansi escapes | |
284 | self._append_plain_text(traceback) |
|
290 | self._append_plain_text(traceback) | |
285 |
|
291 | |||
286 | def _process_execute_payload(self, item): |
|
292 | def _process_execute_payload(self, item): | |
287 | """ Reimplemented to dispatch payloads to handler methods. |
|
293 | """ Reimplemented to dispatch payloads to handler methods. | |
288 | """ |
|
294 | """ | |
289 | handler = self._payload_handlers.get(item['source']) |
|
295 | handler = self._payload_handlers.get(item['source']) | |
290 | if handler is None: |
|
296 | if handler is None: | |
291 | # We have no handler for this type of payload, simply ignore it |
|
297 | # We have no handler for this type of payload, simply ignore it | |
292 | return False |
|
298 | return False | |
293 | else: |
|
299 | else: | |
294 | handler(item) |
|
300 | handler(item) | |
295 | return True |
|
301 | return True | |
296 |
|
302 | |||
297 | def _show_interpreter_prompt(self, number=None): |
|
303 | def _show_interpreter_prompt(self, number=None): | |
298 | """ Reimplemented for IPython-style prompts. |
|
304 | """ Reimplemented for IPython-style prompts. | |
299 | """ |
|
305 | """ | |
300 | # If a number was not specified, make a prompt number request. |
|
306 | # If a number was not specified, make a prompt number request. | |
301 | if number is None: |
|
307 | if number is None: | |
302 | msg_id = self.kernel_manager.xreq_channel.execute('', silent=True) |
|
308 | msg_id = self.kernel_manager.xreq_channel.execute('', silent=True) | |
303 | info = self._ExecutionRequest(msg_id, 'prompt') |
|
309 | info = self._ExecutionRequest(msg_id, 'prompt') | |
304 | self._request_info['execute'] = info |
|
310 | self._request_info['execute'] = info | |
305 | return |
|
311 | return | |
306 |
|
312 | |||
307 | # Show a new prompt and save information about it so that it can be |
|
313 | # Show a new prompt and save information about it so that it can be | |
308 | # updated later if the prompt number turns out to be wrong. |
|
314 | # updated later if the prompt number turns out to be wrong. | |
309 | self._prompt_sep = self.input_sep |
|
315 | self._prompt_sep = self.input_sep | |
310 | self._show_prompt(self._make_in_prompt(number), html=True) |
|
316 | self._show_prompt(self._make_in_prompt(number), html=True) | |
311 | block = self._control.document().lastBlock() |
|
317 | block = self._control.document().lastBlock() | |
312 | length = len(self._prompt) |
|
318 | length = len(self._prompt) | |
313 | self._previous_prompt_obj = self._PromptBlock(block, length, number) |
|
319 | self._previous_prompt_obj = self._PromptBlock(block, length, number) | |
314 |
|
320 | |||
315 | # Update continuation prompt to reflect (possibly) new prompt length. |
|
321 | # Update continuation prompt to reflect (possibly) new prompt length. | |
316 | self._set_continuation_prompt( |
|
322 | self._set_continuation_prompt( | |
317 | self._make_continuation_prompt(self._prompt), html=True) |
|
323 | self._make_continuation_prompt(self._prompt), html=True) | |
318 |
|
324 | |||
319 | # Load code from the %loadpy magic, if necessary. |
|
325 | # Load code from the %loadpy magic, if necessary. | |
320 | if self._code_to_load is not None: |
|
326 | if self._code_to_load is not None: | |
321 | self.input_buffer = dedent(self._code_to_load.rstrip()) |
|
327 | self.input_buffer = dedent(self._code_to_load.rstrip()) | |
322 | self._code_to_load = None |
|
328 | self._code_to_load = None | |
323 |
|
329 | |||
324 | def _show_interpreter_prompt_for_reply(self, msg): |
|
330 | def _show_interpreter_prompt_for_reply(self, msg): | |
325 | """ Reimplemented for IPython-style prompts. |
|
331 | """ Reimplemented for IPython-style prompts. | |
326 | """ |
|
332 | """ | |
327 | # Update the old prompt number if necessary. |
|
333 | # Update the old prompt number if necessary. | |
328 | content = msg['content'] |
|
334 | content = msg['content'] | |
329 | previous_prompt_number = content['execution_count'] |
|
335 | previous_prompt_number = content['execution_count'] | |
330 | if self._previous_prompt_obj and \ |
|
336 | if self._previous_prompt_obj and \ | |
331 | self._previous_prompt_obj.number != previous_prompt_number: |
|
337 | self._previous_prompt_obj.number != previous_prompt_number: | |
332 | block = self._previous_prompt_obj.block |
|
338 | block = self._previous_prompt_obj.block | |
333 |
|
339 | |||
334 | # Make sure the prompt block has not been erased. |
|
340 | # Make sure the prompt block has not been erased. | |
335 | if block.isValid() and block.text(): |
|
341 | if block.isValid() and block.text(): | |
336 |
|
342 | |||
337 | # Remove the old prompt and insert a new prompt. |
|
343 | # Remove the old prompt and insert a new prompt. | |
338 | cursor = QtGui.QTextCursor(block) |
|
344 | cursor = QtGui.QTextCursor(block) | |
339 | cursor.movePosition(QtGui.QTextCursor.Right, |
|
345 | cursor.movePosition(QtGui.QTextCursor.Right, | |
340 | QtGui.QTextCursor.KeepAnchor, |
|
346 | QtGui.QTextCursor.KeepAnchor, | |
341 | self._previous_prompt_obj.length) |
|
347 | self._previous_prompt_obj.length) | |
342 | prompt = self._make_in_prompt(previous_prompt_number) |
|
348 | prompt = self._make_in_prompt(previous_prompt_number) | |
343 | self._prompt = self._insert_html_fetching_plain_text( |
|
349 | self._prompt = self._insert_html_fetching_plain_text( | |
344 | cursor, prompt) |
|
350 | cursor, prompt) | |
345 |
|
351 | |||
346 | # When the HTML is inserted, Qt blows away the syntax |
|
352 | # When the HTML is inserted, Qt blows away the syntax | |
347 | # highlighting for the line, so we need to rehighlight it. |
|
353 | # highlighting for the line, so we need to rehighlight it. | |
348 | self._highlighter.rehighlightBlock(cursor.block()) |
|
354 | self._highlighter.rehighlightBlock(cursor.block()) | |
349 |
|
355 | |||
350 | self._previous_prompt_obj = None |
|
356 | self._previous_prompt_obj = None | |
351 |
|
357 | |||
352 | # Show a new prompt with the kernel's estimated prompt number. |
|
358 | # Show a new prompt with the kernel's estimated prompt number. | |
353 | self._show_interpreter_prompt(previous_prompt_number + 1) |
|
359 | self._show_interpreter_prompt(previous_prompt_number + 1) | |
354 |
|
360 | |||
355 | #--------------------------------------------------------------------------- |
|
361 | #--------------------------------------------------------------------------- | |
356 | # 'IPythonWidget' interface |
|
362 | # 'IPythonWidget' interface | |
357 | #--------------------------------------------------------------------------- |
|
363 | #--------------------------------------------------------------------------- | |
358 |
|
364 | |||
359 | def set_default_style(self, colors='lightbg'): |
|
365 | def set_default_style(self, colors='lightbg'): | |
360 | """ Sets the widget style to the class defaults. |
|
366 | """ Sets the widget style to the class defaults. | |
361 |
|
367 | |||
362 | Parameters: |
|
368 | Parameters: | |
363 | ----------- |
|
369 | ----------- | |
364 | colors : str, optional (default lightbg) |
|
370 | colors : str, optional (default lightbg) | |
365 | Whether to use the default IPython light background or dark |
|
371 | Whether to use the default IPython light background or dark | |
366 | background or B&W style. |
|
372 | background or B&W style. | |
367 | """ |
|
373 | """ | |
368 | colors = colors.lower() |
|
374 | colors = colors.lower() | |
369 | if colors=='lightbg': |
|
375 | if colors=='lightbg': | |
370 | self.style_sheet = default_light_style_sheet |
|
376 | self.style_sheet = default_light_style_sheet | |
371 | self.syntax_style = default_light_syntax_style |
|
377 | self.syntax_style = default_light_syntax_style | |
372 | elif colors=='linux': |
|
378 | elif colors=='linux': | |
373 | self.style_sheet = default_dark_style_sheet |
|
379 | self.style_sheet = default_dark_style_sheet | |
374 | self.syntax_style = default_dark_syntax_style |
|
380 | self.syntax_style = default_dark_syntax_style | |
375 | elif colors=='nocolor': |
|
381 | elif colors=='nocolor': | |
376 | self.style_sheet = default_bw_style_sheet |
|
382 | self.style_sheet = default_bw_style_sheet | |
377 | self.syntax_style = default_bw_syntax_style |
|
383 | self.syntax_style = default_bw_syntax_style | |
378 | else: |
|
384 | else: | |
379 | raise KeyError("No such color scheme: %s"%colors) |
|
385 | raise KeyError("No such color scheme: %s"%colors) | |
380 |
|
386 | |||
381 | #--------------------------------------------------------------------------- |
|
387 | #--------------------------------------------------------------------------- | |
382 | # 'IPythonWidget' protected interface |
|
388 | # 'IPythonWidget' protected interface | |
383 | #--------------------------------------------------------------------------- |
|
389 | #--------------------------------------------------------------------------- | |
384 |
|
390 | |||
385 | def _edit(self, filename, line=None): |
|
391 | def _edit(self, filename, line=None): | |
386 | """ Opens a Python script for editing. |
|
392 | """ Opens a Python script for editing. | |
387 |
|
393 | |||
388 | Parameters: |
|
394 | Parameters: | |
389 | ----------- |
|
395 | ----------- | |
390 | filename : str |
|
396 | filename : str | |
391 | A path to a local system file. |
|
397 | A path to a local system file. | |
392 |
|
398 | |||
393 | line : int, optional |
|
399 | line : int, optional | |
394 | A line of interest in the file. |
|
400 | A line of interest in the file. | |
395 | """ |
|
401 | """ | |
396 | if self.custom_edit: |
|
402 | if self.custom_edit: | |
397 | self.custom_edit_requested.emit(filename, line) |
|
403 | self.custom_edit_requested.emit(filename, line) | |
398 | elif self.editor == 'default': |
|
404 | elif self.editor == 'default': | |
399 | self._append_plain_text('No default editor available.\n') |
|
405 | self._append_plain_text('No default editor available.\n') | |
400 | else: |
|
406 | else: | |
401 | try: |
|
407 | try: | |
402 | filename = '"%s"' % filename |
|
408 | filename = '"%s"' % filename | |
403 | if line and self.editor_line: |
|
409 | if line and self.editor_line: | |
404 | command = self.editor_line.format(filename=filename, |
|
410 | command = self.editor_line.format(filename=filename, | |
405 | line=line) |
|
411 | line=line) | |
406 | else: |
|
412 | else: | |
407 | try: |
|
413 | try: | |
408 | command = self.editor.format() |
|
414 | command = self.editor.format() | |
409 | except KeyError: |
|
415 | except KeyError: | |
410 | command = self.editor.format(filename=filename) |
|
416 | command = self.editor.format(filename=filename) | |
411 | else: |
|
417 | else: | |
412 | command += ' ' + filename |
|
418 | command += ' ' + filename | |
413 | except KeyError: |
|
419 | except KeyError: | |
414 | self._append_plain_text('Invalid editor command.\n') |
|
420 | self._append_plain_text('Invalid editor command.\n') | |
415 | else: |
|
421 | else: | |
416 | try: |
|
422 | try: | |
417 | Popen(command, shell=True) |
|
423 | Popen(command, shell=True) | |
418 | except OSError: |
|
424 | except OSError: | |
419 | msg = 'Opening editor with command "%s" failed.\n' |
|
425 | msg = 'Opening editor with command "%s" failed.\n' | |
420 | self._append_plain_text(msg % command) |
|
426 | self._append_plain_text(msg % command) | |
421 |
|
427 | |||
422 | def _make_in_prompt(self, number): |
|
428 | def _make_in_prompt(self, number): | |
423 | """ Given a prompt number, returns an HTML In prompt. |
|
429 | """ Given a prompt number, returns an HTML In prompt. | |
424 | """ |
|
430 | """ | |
425 | body = self.in_prompt % number |
|
431 | body = self.in_prompt % number | |
426 | return '<span class="in-prompt">%s</span>' % body |
|
432 | return '<span class="in-prompt">%s</span>' % body | |
427 |
|
433 | |||
428 | def _make_continuation_prompt(self, prompt): |
|
434 | def _make_continuation_prompt(self, prompt): | |
429 | """ Given a plain text version of an In prompt, returns an HTML |
|
435 | """ Given a plain text version of an In prompt, returns an HTML | |
430 | continuation prompt. |
|
436 | continuation prompt. | |
431 | """ |
|
437 | """ | |
432 | end_chars = '...: ' |
|
438 | end_chars = '...: ' | |
433 | space_count = len(prompt.lstrip('\n')) - len(end_chars) |
|
439 | space_count = len(prompt.lstrip('\n')) - len(end_chars) | |
434 | body = ' ' * space_count + end_chars |
|
440 | body = ' ' * space_count + end_chars | |
435 | return '<span class="in-prompt">%s</span>' % body |
|
441 | return '<span class="in-prompt">%s</span>' % body | |
436 |
|
442 | |||
437 | def _make_out_prompt(self, number): |
|
443 | def _make_out_prompt(self, number): | |
438 | """ Given a prompt number, returns an HTML Out prompt. |
|
444 | """ Given a prompt number, returns an HTML Out prompt. | |
439 | """ |
|
445 | """ | |
440 | body = self.out_prompt % number |
|
446 | body = self.out_prompt % number | |
441 | return '<span class="out-prompt">%s</span>' % body |
|
447 | return '<span class="out-prompt">%s</span>' % body | |
442 |
|
448 | |||
443 | #------ Payload handlers -------------------------------------------------- |
|
449 | #------ Payload handlers -------------------------------------------------- | |
444 |
|
450 | |||
445 | # Payload handlers with a generic interface: each takes the opaque payload |
|
451 | # Payload handlers with a generic interface: each takes the opaque payload | |
446 | # dict, unpacks it and calls the underlying functions with the necessary |
|
452 | # dict, unpacks it and calls the underlying functions with the necessary | |
447 | # arguments. |
|
453 | # arguments. | |
448 |
|
454 | |||
449 | def _handle_payload_edit(self, item): |
|
455 | def _handle_payload_edit(self, item): | |
450 | self._edit(item['filename'], item['line_number']) |
|
456 | self._edit(item['filename'], item['line_number']) | |
451 |
|
457 | |||
452 | def _handle_payload_exit(self, item): |
|
458 | def _handle_payload_exit(self, item): | |
453 | self._keep_kernel_on_exit = item['keepkernel'] |
|
459 | self._keep_kernel_on_exit = item['keepkernel'] | |
454 | self.exit_requested.emit() |
|
460 | self.exit_requested.emit() | |
455 |
|
461 | |||
456 | def _handle_payload_loadpy(self, item): |
|
462 | def _handle_payload_loadpy(self, item): | |
457 | # Simple save the text of the .py file for later. The text is written |
|
463 | # Simple save the text of the .py file for later. The text is written | |
458 | # to the buffer when _prompt_started_hook is called. |
|
464 | # to the buffer when _prompt_started_hook is called. | |
459 | self._code_to_load = item['text'] |
|
465 | self._code_to_load = item['text'] | |
460 |
|
466 | |||
461 | def _handle_payload_page(self, item): |
|
467 | def _handle_payload_page(self, item): | |
462 | # Since the plain text widget supports only a very small subset of HTML |
|
468 | # Since the plain text widget supports only a very small subset of HTML | |
463 | # and we have no control over the HTML source, we only page HTML |
|
469 | # and we have no control over the HTML source, we only page HTML | |
464 | # payloads in the rich text widget. |
|
470 | # payloads in the rich text widget. | |
465 | if item['html'] and self.kind == 'rich': |
|
471 | if item['html'] and self.kind == 'rich': | |
466 | self._page(item['html'], html=True) |
|
472 | self._page(item['html'], html=True) | |
467 | else: |
|
473 | else: | |
468 | self._page(item['text'], html=False) |
|
474 | self._page(item['text'], html=False) | |
469 |
|
475 | |||
470 | #------ Trait change handlers -------------------------------------------- |
|
476 | #------ Trait change handlers -------------------------------------------- | |
471 |
|
477 | |||
472 | def _style_sheet_changed(self): |
|
478 | def _style_sheet_changed(self): | |
473 | """ Set the style sheets of the underlying widgets. |
|
479 | """ Set the style sheets of the underlying widgets. | |
474 | """ |
|
480 | """ | |
475 | self.setStyleSheet(self.style_sheet) |
|
481 | self.setStyleSheet(self.style_sheet) | |
476 | self._control.document().setDefaultStyleSheet(self.style_sheet) |
|
482 | self._control.document().setDefaultStyleSheet(self.style_sheet) | |
477 | if self._page_control: |
|
483 | if self._page_control: | |
478 | self._page_control.document().setDefaultStyleSheet(self.style_sheet) |
|
484 | self._page_control.document().setDefaultStyleSheet(self.style_sheet) | |
479 |
|
485 | |||
480 | bg_color = self._control.palette().window().color() |
|
486 | bg_color = self._control.palette().window().color() | |
481 | self._ansi_processor.set_background_color(bg_color) |
|
487 | self._ansi_processor.set_background_color(bg_color) | |
482 |
|
488 | |||
483 | def _syntax_style_changed(self): |
|
489 | def _syntax_style_changed(self): | |
484 | """ Set the style for the syntax highlighter. |
|
490 | """ Set the style for the syntax highlighter. | |
485 | """ |
|
491 | """ | |
486 | if self.syntax_style: |
|
492 | if self.syntax_style: | |
487 | self._highlighter.set_style(self.syntax_style) |
|
493 | self._highlighter.set_style(self.syntax_style) | |
488 | else: |
|
494 | else: | |
489 | self._highlighter.set_style_sheet(self.style_sheet) |
|
495 | self._highlighter.set_style_sheet(self.style_sheet) | |
490 |
|
496 |
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