forked from spyder-ide/spyder
-
Notifications
You must be signed in to change notification settings - Fork 0
/
inspector.py
1025 lines (883 loc) · 39.2 KB
/
inspector.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
# -*- coding: utf-8 -*-
#
# Copyright © 2009-2010 Pierre Raybaut
# Licensed under the terms of the MIT License
# (see spyderlib/__init__.py for details)
"""Object Inspector Plugin"""
from spyderlib.qt import PYQT5
from spyderlib.qt.QtGui import (QHBoxLayout, QVBoxLayout, QLabel, QSizePolicy,
QMenu, QToolButton, QGroupBox, QFontComboBox,
QActionGroup, QFontDialog, QWidget, QComboBox,
QLineEdit, QMessageBox)
from spyderlib.qt.QtCore import Signal, Slot, QUrl, QThread
from spyderlib.qt.QtWebKit import QWebPage
import re
import os.path as osp
import socket
import sys
# Local imports
from spyderlib import dependencies
from spyderlib.baseconfig import get_conf_path, get_module_source_path, _
from spyderlib.ipythonconfig import IPYTHON_QT_INSTALLED
from spyderlib.config import CONF
from spyderlib.guiconfig import get_color_scheme, get_font, set_font
from spyderlib.utils import programs
from spyderlib.utils.qthelpers import (get_icon, create_toolbutton,
add_actions, create_action)
from spyderlib.widgets.comboboxes import EditableComboBox
from spyderlib.widgets.sourcecode import codeeditor
from spyderlib.widgets.findreplace import FindReplace
from spyderlib.widgets.browser import WebView
from spyderlib.widgets.externalshell.pythonshell import ExtPythonShellWidget
from spyderlib.plugins import SpyderPluginWidget, PluginConfigPage
from spyderlib.py3compat import to_text_string, get_meth_class_inst
#XXX: Hardcoded dependency on optional IPython plugin component
# that requires the hack to make this work without IPython
if IPYTHON_QT_INSTALLED:
from spyderlib.widgets.ipython import IPythonControlWidget
else:
IPythonControlWidget = None # analysis:ignore
# Check for Sphinx presence to activate rich text mode
if programs.is_module_installed('sphinx', '>=0.6.6'):
sphinx_version = programs.get_module_version('sphinx')
from spyderlib.utils.inspector.sphinxify import (CSS_PATH, sphinxify,
warning, generate_context,
usage)
else:
sphinxify = sphinx_version = None # analysis:ignore
# To add sphinx dependency to the Dependencies dialog
SPHINX_REQVER = '>=0.6.6'
dependencies.add("sphinx", _("Rich text help on the Object Inspector"),
required_version=SPHINX_REQVER)
class ObjectComboBox(EditableComboBox):
"""
QComboBox handling object names
"""
# Signals
valid = Signal(bool)
def __init__(self, parent):
EditableComboBox.__init__(self, parent)
self.object_inspector = parent
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
self.tips = {True: '', False: ''}
def is_valid(self, qstr=None):
"""Return True if string is valid"""
if not self.object_inspector.source_is_console():
return True
if qstr is None:
qstr = self.currentText()
if not re.search('^[a-zA-Z0-9_\.]*$', str(qstr), 0):
return False
objtxt = to_text_string(qstr)
if self.object_inspector.get_option('automatic_import'):
shell = self.object_inspector.internal_shell
if shell is not None:
return shell.is_defined(objtxt, force_import=True)
shell = self.object_inspector.get_shell()
if shell is not None:
try:
return shell.is_defined(objtxt)
except socket.error:
shell = self.object_inspector.get_shell()
try:
return shell.is_defined(objtxt)
except socket.error:
# Well... too bad!
pass
def validate_current_text(self):
self.validate(self.currentText())
def validate(self, qstr, editing=True):
"""Reimplemented to avoid formatting actions"""
valid = self.is_valid(qstr)
if self.hasFocus() and valid is not None:
if editing:
# Combo box text is being modified: invalidate the entry
self.show_tip(self.tips[valid])
self.valid.emit(False)
else:
# A new item has just been selected
if valid:
self.selected()
else:
self.valid.emit(False)
else:
self.set_default_style()
class ObjectInspectorConfigPage(PluginConfigPage):
def setup_page(self):
# Fonts group
plain_text_font_group = self.create_fontgroup(option=None,
text=_("Plain text font style"),
fontfilters=QFontComboBox.MonospacedFonts)
rich_text_font_group = self.create_fontgroup(option='rich_text',
text=_("Rich text font style"))
# Connections group
connections_group = QGroupBox(_("Automatic connections"))
connections_label = QLabel(_("The Object Inspector can automatically "
"show an object's help information after "
"a left parenthesis is written next to it. "
"Below you can decide to which plugin "
"you want to connect it to turn on this "
"feature."))
connections_label.setWordWrap(True)
editor_box = self.create_checkbox(_("Editor"), 'connect/editor')
rope_installed = programs.is_module_installed('rope')
jedi_installed = programs.is_module_installed('jedi', '>=0.8.1')
editor_box.setEnabled(rope_installed or jedi_installed)
if not rope_installed and not jedi_installed:
editor_tip = _("This feature requires the Rope or Jedi libraries.\n"
"It seems you don't have either installed.")
editor_box.setToolTip(editor_tip)
python_box = self.create_checkbox(_("Python Console"),
'connect/python_console')
ipython_box = self.create_checkbox(_("IPython Console"),
'connect/ipython_console')
ipython_box.setEnabled(IPYTHON_QT_INSTALLED)
connections_layout = QVBoxLayout()
connections_layout.addWidget(connections_label)
connections_layout.addWidget(editor_box)
connections_layout.addWidget(python_box)
connections_layout.addWidget(ipython_box)
connections_group.setLayout(connections_layout)
# Features group
features_group = QGroupBox(_("Additional features"))
math_box = self.create_checkbox(_("Render mathematical equations"),
'math')
req_sphinx = sphinx_version is not None and \
programs.is_module_installed('sphinx', '>=1.1')
math_box.setEnabled(req_sphinx)
if not req_sphinx:
sphinx_tip = _("This feature requires Sphinx 1.1 or superior.")
if sphinx_version is not None:
sphinx_tip += "\n" + _("Sphinx %s is currently installed."
) % sphinx_version
math_box.setToolTip(sphinx_tip)
features_layout = QVBoxLayout()
features_layout.addWidget(math_box)
features_group.setLayout(features_layout)
# Source code group
sourcecode_group = QGroupBox(_("Source code"))
wrap_mode_box = self.create_checkbox(_("Wrap lines"), 'wrap')
names = CONF.get('color_schemes', 'names')
choices = list(zip(names, names))
cs_combo = self.create_combobox(_("Syntax color scheme: "),
choices, 'color_scheme_name')
sourcecode_layout = QVBoxLayout()
sourcecode_layout.addWidget(wrap_mode_box)
sourcecode_layout.addWidget(cs_combo)
sourcecode_group.setLayout(sourcecode_layout)
# Final layout
vlayout = QVBoxLayout()
vlayout.addWidget(rich_text_font_group)
vlayout.addWidget(plain_text_font_group)
vlayout.addWidget(connections_group)
vlayout.addWidget(features_group)
vlayout.addWidget(sourcecode_group)
vlayout.addStretch(1)
self.setLayout(vlayout)
class RichText(QWidget):
"""
WebView widget with find dialog
"""
def __init__(self, parent):
QWidget.__init__(self, parent)
self.webview = WebView(self)
self.find_widget = FindReplace(self)
self.find_widget.set_editor(self.webview)
self.find_widget.hide()
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self.webview)
layout.addWidget(self.find_widget)
self.setLayout(layout)
def set_font(self, font, fixed_font=None):
"""Set font"""
self.webview.set_font(font, fixed_font=fixed_font)
def set_html(self, html_text, base_url):
"""Set html text"""
self.webview.setHtml(html_text, base_url)
def clear(self):
self.set_html('', self.webview.url())
class PlainText(QWidget):
"""
Read-only editor widget with find dialog
"""
# Signals
focus_changed = Signal()
def __init__(self, parent):
QWidget.__init__(self, parent)
self.editor = None
# Read-only editor
self.editor = codeeditor.CodeEditor(self)
self.editor.setup_editor(linenumbers=False, language='py',
scrollflagarea=False, edge_line=False)
self.editor.focus_changed.connect(lambda: self.focus_changed.emit())
self.editor.setReadOnly(True)
# Find/replace widget
self.find_widget = FindReplace(self)
self.find_widget.set_editor(self.editor)
self.find_widget.hide()
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self.editor)
layout.addWidget(self.find_widget)
self.setLayout(layout)
def set_font(self, font, color_scheme=None):
"""Set font"""
self.editor.set_font(font, color_scheme=color_scheme)
def set_color_scheme(self, color_scheme):
"""Set color scheme"""
self.editor.set_color_scheme(color_scheme)
def set_text(self, text, is_code):
self.editor.set_highlight_current_line(is_code)
self.editor.set_occurence_highlighting(is_code)
if is_code:
self.editor.set_language('py')
else:
self.editor.set_language(None)
self.editor.set_text(text)
self.editor.set_cursor_position('sof')
def clear(self):
self.editor.clear()
class SphinxThread(QThread):
"""
A worker thread for handling rich text rendering.
Parameters
----------
doc : str or dict
A string containing a raw rst text or a dict containing
the doc string components to be rendered.
See spyderlib.utils.dochelpers.getdoc for description.
context : dict
A dict containing the substitution variables for the
layout template
html_text_no_doc : unicode
Text to be rendered if doc string cannot be extracted.
math_option : bool
Use LaTeX math rendering.
"""
# Signals
error_msg = Signal(str)
html_ready = Signal(str)
def __init__(self, html_text_no_doc=''):
super(SphinxThread, self).__init__()
self.doc = None
self.context = None
self.html_text_no_doc = html_text_no_doc
self.math_option = False
def render(self, doc, context=None, math_option=False, img_path=''):
"""Start thread to render a given documentation"""
# If the thread is already running wait for it to finish before
# starting it again.
if self.wait():
self.doc = doc
self.context = context
self.math_option = math_option
self.img_path = img_path
# This causes run() to be executed in separate thread
self.start()
def run(self):
html_text = self.html_text_no_doc
doc = self.doc
if doc is not None:
if type(doc) is dict and 'docstring' in doc.keys() \
and doc['docstring'] != '':
try:
context = generate_context(name=doc['name'],
argspec=doc['argspec'],
note=doc['note'],
math=self.math_option,
img_path=self.img_path)
html_text = sphinxify(doc['docstring'], context)
except Exception as error:
self.error_msg.emit(to_text_string(error))
return
elif self.context is not None:
try:
html_text = sphinxify(doc, self.context)
except Exception as error:
self.error_msg.emit(to_text_string(error))
return
self.html_ready.emit(html_text)
class ObjectInspector(SpyderPluginWidget):
"""
Docstrings viewer widget
"""
CONF_SECTION = 'inspector'
CONFIGWIDGET_CLASS = ObjectInspectorConfigPage
LOG_PATH = get_conf_path(CONF_SECTION)
focus_changed = Signal()
def __init__(self, parent):
if PYQT5:
SpyderPluginWidget.__init__(self, parent, main = parent)
else:
SpyderPluginWidget.__init__(self, parent)
self.internal_shell = None
# Initialize plugin
self.initialize_plugin()
self.no_doc_string = _("No documentation available")
self._last_console_cb = None
self._last_editor_cb = None
self.set_default_color_scheme()
self.plain_text = PlainText(self)
self.rich_text = RichText(self)
color_scheme = get_color_scheme(self.get_option('color_scheme_name'))
self.set_plain_text_font(self.get_plugin_font(), color_scheme)
self.plain_text.editor.toggle_wrap_mode(self.get_option('wrap'))
# Add entries to read-only editor context-menu
font_action = create_action(self, _("&Font..."), None,
'font.png', _("Set font style"),
triggered=self.change_font)
self.wrap_action = create_action(self, _("Wrap lines"),
toggled=self.toggle_wrap_mode)
self.wrap_action.setChecked(self.get_option('wrap'))
self.plain_text.editor.readonly_menu.addSeparator()
add_actions(self.plain_text.editor.readonly_menu,
(font_action, self.wrap_action))
self.set_rich_text_font(self.get_plugin_font('rich_text'))
self.shell = None
self.external_console = None
# locked = disable link with Console
self.locked = False
self._last_texts = [None, None]
self._last_editor_doc = None
# Object name
layout_edit = QHBoxLayout()
layout_edit.setContentsMargins(0, 0, 0, 0)
txt = _("Source")
if sys.platform == 'darwin':
source_label = QLabel(" " + txt)
else:
source_label = QLabel(txt)
layout_edit.addWidget(source_label)
self.source_combo = QComboBox(self)
self.source_combo.addItems([_("Console"), _("Editor")])
self.source_combo.currentIndexChanged.connect(self.source_changed)
if (not programs.is_module_installed('rope') and
not programs.is_module_installed('jedi', '>=0.8.1')):
self.source_combo.hide()
source_label.hide()
layout_edit.addWidget(self.source_combo)
layout_edit.addSpacing(10)
layout_edit.addWidget(QLabel(_("Object")))
self.combo = ObjectComboBox(self)
layout_edit.addWidget(self.combo)
self.object_edit = QLineEdit(self)
self.object_edit.setReadOnly(True)
layout_edit.addWidget(self.object_edit)
self.combo.setMaxCount(self.get_option('max_history_entries'))
self.combo.addItems( self.load_history() )
self.combo.setItemText(0, '')
self.combo.valid.connect(lambda valid: self.force_refresh())
# Plain text docstring option
self.docstring = True
self.rich_help = sphinxify is not None \
and self.get_option('rich_mode', True)
self.plain_text_action = create_action(self, _("Plain Text"),
toggled=self.toggle_plain_text)
# Source code option
self.show_source_action = create_action(self, _("Show Source"),
toggled=self.toggle_show_source)
# Rich text option
self.rich_text_action = create_action(self, _("Rich Text"),
toggled=self.toggle_rich_text)
# Add the help actions to an exclusive QActionGroup
help_actions = QActionGroup(self)
help_actions.setExclusive(True)
help_actions.addAction(self.plain_text_action)
help_actions.addAction(self.rich_text_action)
# Automatic import option
self.auto_import_action = create_action(self, _("Automatic import"),
toggled=self.toggle_auto_import)
auto_import_state = self.get_option('automatic_import')
self.auto_import_action.setChecked(auto_import_state)
# Lock checkbox
self.locked_button = create_toolbutton(self,
triggered=self.toggle_locked)
layout_edit.addWidget(self.locked_button)
self._update_lock_icon()
# Option menu
options_button = create_toolbutton(self, text=_("Options"),
icon=get_icon('tooloptions.png'))
options_button.setPopupMode(QToolButton.InstantPopup)
menu = QMenu(self)
add_actions(menu, [self.rich_text_action, self.plain_text_action,
self.show_source_action, None,
self.auto_import_action])
options_button.setMenu(menu)
layout_edit.addWidget(options_button)
if self.rich_help:
self.switch_to_rich_text()
else:
self.switch_to_plain_text()
self.plain_text_action.setChecked(not self.rich_help)
self.rich_text_action.setChecked(self.rich_help)
self.rich_text_action.setEnabled(sphinxify is not None)
self.source_changed()
# Main layout
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.addLayout(layout_edit)
layout.addWidget(self.plain_text)
layout.addWidget(self.rich_text)
self.setLayout(layout)
# Add worker thread for handling rich text rendering
if sphinxify is None:
self._sphinx_thread = None
else:
self._sphinx_thread = SphinxThread(
html_text_no_doc=warning(self.no_doc_string))
self._sphinx_thread.html_ready.connect(
self._on_sphinx_thread_html_ready)
self._sphinx_thread.error_msg.connect(
self._on_sphinx_thread_error_msg)
# Render internal links
view = self.rich_text.webview
view.page().setLinkDelegationPolicy(QWebPage.DelegateAllLinks)
view.linkClicked.connect(self.handle_link_clicks)
self._starting_up = True
#------ SpyderPluginWidget API ---------------------------------------------
def get_plugin_title(self):
"""Return widget title"""
return _('Object inspector')
def get_plugin_icon(self):
"""Return widget icon"""
return get_icon('inspector.png')
def get_focus_widget(self):
"""
Return the widget to give focus to when
this plugin's dockwidget is raised on top-level
"""
self.combo.lineEdit().selectAll()
return self.combo
def get_plugin_actions(self):
"""Return a list of actions related to plugin"""
return []
def register_plugin(self):
"""Register plugin in Spyder's main window"""
self.focus_changed.connect(self.main.plugin_focus_changed)
self.main.add_dockwidget(self)
self.main.console.set_inspector(self)
self.internal_shell = self.main.console.shell
def closing_plugin(self, cancelable=False):
"""Perform actions before parent main window is closed"""
return True
def refresh_plugin(self):
"""Refresh widget"""
if self._starting_up:
self._starting_up = False
if sphinxify is not None:
self.switch_to_rich_text()
self.show_intro_message()
def apply_plugin_settings(self, options):
"""Apply configuration file's plugin settings"""
color_scheme_n = 'color_scheme_name'
color_scheme_o = get_color_scheme(self.get_option(color_scheme_n))
font_n = 'plugin_font'
font_o = self.get_plugin_font()
connect_n = 'connect_to_oi'
rich_font_n = 'rich_text'
rich_font_o = self.get_plugin_font('rich_text')
wrap_n = 'wrap'
wrap_o = self.get_option(wrap_n)
self.wrap_action.setChecked(wrap_o)
math_n = 'math'
math_o = self.get_option(math_n)
if font_n in options:
scs = color_scheme_o if color_scheme_n in options else None
self.set_plain_text_font(font_o, color_scheme=scs)
if rich_font_n in options:
self.set_rich_text_font(rich_font_o)
elif color_scheme_n in options:
self.set_plain_text_color_scheme(color_scheme_o)
if wrap_n in options:
self.toggle_wrap_mode(wrap_o)
if math_n in options:
self.toggle_math_mode(math_o)
# To make auto-connection changes take place instantly
self.main.editor.apply_plugin_settings(options=[connect_n])
self.main.extconsole.apply_plugin_settings(options=[connect_n])
if self.main.ipyconsole is not None:
self.main.ipyconsole.apply_plugin_settings(options=[connect_n])
#------ Public API (related to inspector's source) -------------------------
def source_is_console(self):
"""Return True if source is Console"""
return self.source_combo.currentIndex() == 0
def switch_to_editor_source(self):
self.source_combo.setCurrentIndex(1)
def switch_to_console_source(self):
self.source_combo.setCurrentIndex(0)
def source_changed(self, index=None):
if self.source_is_console():
# Console
self.combo.show()
self.object_edit.hide()
self.show_source_action.setEnabled(True)
self.auto_import_action.setEnabled(True)
else:
# Editor
self.combo.hide()
self.object_edit.show()
self.show_source_action.setDisabled(True)
self.auto_import_action.setDisabled(True)
self.restore_text()
def save_text(self, callback):
if self.source_is_console():
self._last_console_cb = callback
else:
self._last_editor_cb = callback
def restore_text(self):
if self.source_is_console():
cb = self._last_console_cb
else:
cb = self._last_editor_cb
if cb is None:
if self.is_plain_text_mode():
self.plain_text.clear()
else:
self.rich_text.clear()
else:
func = cb[0]
args = cb[1:]
func(*args)
if get_meth_class_inst(func) is self.rich_text:
self.switch_to_rich_text()
else:
self.switch_to_plain_text()
#------ Public API (related to rich/plain text widgets) --------------------
@property
def find_widget(self):
if self.plain_text.isVisible():
return self.plain_text.find_widget
else:
return self.rich_text.find_widget
def set_rich_text_font(self, font):
"""Set rich text mode font"""
self.rich_text.set_font(font, fixed_font=self.get_plugin_font())
def set_plain_text_font(self, font, color_scheme=None):
"""Set plain text mode font"""
self.plain_text.set_font(font, color_scheme=color_scheme)
def set_plain_text_color_scheme(self, color_scheme):
"""Set plain text mode color scheme"""
self.plain_text.set_color_scheme(color_scheme)
@Slot()
def change_font(self):
"""Change console font"""
font, valid = QFontDialog.getFont(get_font(self.CONF_SECTION), self,
_("Select a new font"))
if valid:
self.set_plain_text_font(font)
set_font(font, self.CONF_SECTION)
@Slot(bool)
def toggle_wrap_mode(self, checked):
"""Toggle wrap mode"""
self.plain_text.editor.toggle_wrap_mode(checked)
self.set_option('wrap', checked)
def toggle_math_mode(self, checked):
"""Toggle math mode"""
self.set_option('math', checked)
def is_plain_text_mode(self):
"""Return True if plain text mode is active"""
return self.plain_text.isVisible()
def is_rich_text_mode(self):
"""Return True if rich text mode is active"""
return self.rich_text.isVisible()
def switch_to_plain_text(self):
"""Switch to plain text mode"""
self.rich_help = False
self.plain_text.show()
self.rich_text.hide()
self.plain_text_action.setChecked(True)
def switch_to_rich_text(self):
"""Switch to rich text mode"""
self.rich_help = True
self.plain_text.hide()
self.rich_text.show()
self.rich_text_action.setChecked(True)
self.show_source_action.setChecked(False)
def set_plain_text(self, text, is_code):
"""Set plain text docs"""
# text is coming from utils.dochelpers.getdoc
if type(text) is dict:
name = text['name']
if name:
rst_title = ''.join(['='*len(name), '\n', name, '\n',
'='*len(name), '\n\n'])
else:
rst_title = ''
if text['argspec']:
definition = ''.join(['Definition: ', name, text['argspec'],
'\n'])
else:
definition = ''
if text['note']:
note = ''.join(['Type: ', text['note'], '\n\n----\n\n'])
else:
note = ''
full_text = ''.join([rst_title, definition, note,
text['docstring']])
else:
full_text = text
self.plain_text.set_text(full_text, is_code)
self.save_text([self.plain_text.set_text, full_text, is_code])
def set_rich_text_html(self, html_text, base_url):
"""Set rich text"""
self.rich_text.set_html(html_text, base_url)
self.save_text([self.rich_text.set_html, html_text, base_url])
def show_intro_message(self):
intro_message = _("Here you can get help of any object by pressing "
"%s in front of it, either on the Editor or the "
"Console.%s"
"Help can also be shown automatically after writing "
"a left parenthesis next to an object. You can "
"activate this behavior in %s.")
prefs = _("Preferences > Object Inspector")
if self.is_rich_text_mode():
title = _("Usage")
tutorial_message = _("New to Spyder? Read our")
tutorial = _("tutorial")
intro_message = intro_message % ("<b>Ctrl+I</b>", "<br><br>",
"<i>"+prefs+"</i>")
self.set_rich_text_html(usage(title, intro_message,
tutorial_message, tutorial),
QUrl.fromLocalFile(CSS_PATH))
else:
install_sphinx = "\n\n%s" % _("Please consider installing Sphinx "
"to get documentation rendered in "
"rich text.")
intro_message = intro_message % ("Ctrl+I", "\n\n", prefs)
intro_message += install_sphinx
self.set_plain_text(intro_message, is_code=False)
def show_rich_text(self, text, collapse=False, img_path=''):
"""Show text in rich mode"""
self.visibility_changed(True)
self.raise_()
self.switch_to_rich_text()
context = generate_context(collapse=collapse, img_path=img_path)
self.render_sphinx_doc(text, context)
def show_plain_text(self, text):
"""Show text in plain mode"""
self.visibility_changed(True)
self.raise_()
self.switch_to_plain_text()
self.set_plain_text(text, is_code=False)
@Slot()
def show_tutorial(self):
tutorial_path = get_module_source_path('spyderlib.utils.inspector')
img_path = osp.join(tutorial_path, 'static', 'images')
tutorial = osp.join(tutorial_path, 'tutorial.rst')
text = open(tutorial).read()
if sphinxify is not None:
self.show_rich_text(text, collapse=True, img_path=img_path)
else:
self.show_plain_text(text)
def handle_link_clicks(self, url):
url = to_text_string(url.toString())
if url == "spy://tutorial":
self.show_tutorial()
elif url.startswith('http'):
programs.start_file(url)
else:
self.rich_text.webview.load(QUrl(url))
#------ Public API ---------------------------------------------------------
def set_external_console(self, external_console):
self.external_console = external_console
def force_refresh(self):
if self.source_is_console():
self.set_object_text(None, force_refresh=True)
elif self._last_editor_doc is not None:
self.set_editor_doc(self._last_editor_doc, force_refresh=True)
def set_object_text(self, text, force_refresh=False, ignore_unknown=False):
"""Set object analyzed by Object Inspector"""
if (self.locked and not force_refresh):
return
self.switch_to_console_source()
add_to_combo = True
if text is None:
text = to_text_string(self.combo.currentText())
add_to_combo = False
found = self.show_help(text, ignore_unknown=ignore_unknown)
if ignore_unknown and not found:
return
if add_to_combo:
self.combo.add_text(text)
if found:
self.save_history()
if self.dockwidget is not None:
self.dockwidget.blockSignals(True)
self.__eventually_raise_inspector(text, force=force_refresh)
if self.dockwidget is not None:
self.dockwidget.blockSignals(False)
def set_editor_doc(self, doc, force_refresh=False):
"""
Use the object inspector to show docstring dictionary computed
with introspection plugin from the Editor plugin
"""
if (self.locked and not force_refresh):
return
self.switch_to_editor_source()
self._last_editor_doc = doc
self.object_edit.setText(doc['obj_text'])
if self.rich_help:
self.render_sphinx_doc(doc)
else:
self.set_plain_text(doc, is_code=False)
if self.dockwidget is not None:
self.dockwidget.blockSignals(True)
self.__eventually_raise_inspector(doc['docstring'],
force=force_refresh)
if self.dockwidget is not None:
self.dockwidget.blockSignals(False)
def __eventually_raise_inspector(self, text, force=False):
index = self.source_combo.currentIndex()
if hasattr(self.main, 'tabifiedDockWidgets'):
# 'QMainWindow.tabifiedDockWidgets' was introduced in PyQt 4.5
if self.dockwidget and (force or self.dockwidget.isVisible()) \
and not self.ismaximized \
and (force or text != self._last_texts[index]):
dockwidgets = self.main.tabifiedDockWidgets(self.dockwidget)
if self.main.console.dockwidget not in dockwidgets and \
(hasattr(self.main, 'extconsole') and \
self.main.extconsole.dockwidget not in dockwidgets):
self.dockwidget.show()
self.dockwidget.raise_()
self._last_texts[index] = text
def load_history(self, obj=None):
"""Load history from a text file in user home directory"""
if osp.isfile(self.LOG_PATH):
history = [line.replace('\n', '')
for line in open(self.LOG_PATH, 'r').readlines()]
else:
history = []
return history
def save_history(self):
"""Save history to a text file in user home directory"""
open(self.LOG_PATH, 'w').write("\n".join( \
[to_text_string(self.combo.itemText(index))
for index in range(self.combo.count())] ))
@Slot(bool)
def toggle_plain_text(self, checked):
"""Toggle plain text docstring"""
if checked:
self.docstring = checked
self.switch_to_plain_text()
self.force_refresh()
self.set_option('rich_mode', not checked)
@Slot(bool)
def toggle_show_source(self, checked):
"""Toggle show source code"""
if checked:
self.switch_to_plain_text()
self.docstring = not checked
self.force_refresh()
self.set_option('rich_mode', not checked)
@Slot(bool)
def toggle_rich_text(self, checked):
"""Toggle between sphinxified docstrings or plain ones"""
if checked:
self.docstring = not checked
self.switch_to_rich_text()
self.set_option('rich_mode', checked)
@Slot(bool)
def toggle_auto_import(self, checked):
"""Toggle automatic import feature"""
self.combo.validate_current_text()
self.set_option('automatic_import', checked)
self.force_refresh()
@Slot()
def toggle_locked(self):
"""
Toggle locked state
locked = disable link with Console
"""
self.locked = not self.locked
self._update_lock_icon()
def _update_lock_icon(self):
"""Update locked state icon"""
icon = get_icon("lock.png" if self.locked else "lock_open.png")
self.locked_button.setIcon(icon)
tip = _("Unlock") if self.locked else _("Lock")
self.locked_button.setToolTip(tip)
def set_shell(self, shell):
"""Bind to shell"""
if IPythonControlWidget is not None:
# XXX(anatoli): hack to make Spyder run on systems without IPython
# there should be a better way
if isinstance(shell, IPythonControlWidget):
# XXX: this ignores passed argument completely
self.shell = self.external_console.get_current_shell()
else:
self.shell = shell
def get_shell(self):
"""Return shell which is currently bound to object inspector,
or another running shell if it has been terminated"""
if not isinstance(self.shell, ExtPythonShellWidget) \
or not self.shell.externalshell.is_running():
self.shell = None
if self.external_console is not None:
self.shell = self.external_console.get_running_python_shell()
if self.shell is None:
self.shell = self.internal_shell
return self.shell
def render_sphinx_doc(self, doc, context=None):
"""Transform doc string dictionary to HTML and show it"""
# Math rendering option could have changed
fname = self.parent().parent().editor.get_current_filename()
dname = osp.dirname(fname)
self._sphinx_thread.render(doc, context, self.get_option('math'),
dname)
def _on_sphinx_thread_html_ready(self, html_text):
"""Set our sphinx documentation based on thread result"""
self._sphinx_thread.wait()
self.set_rich_text_html(html_text, QUrl.fromLocalFile(CSS_PATH))
def _on_sphinx_thread_error_msg(self, error_msg):
""" Display error message on Sphinx rich text failure"""
self._sphinx_thread.wait()
self.plain_text_action.setChecked(True)
QMessageBox.critical(self,
_('Object inspector'),
_("The following error occured when calling "
"<b>Sphinx %s</b>. <br>Incompatible Sphinx "
"version or doc string decoding failed."
"<br><br>Error message:<br>%s"
) % (sphinx_version, error_msg))
def show_help(self, obj_text, ignore_unknown=False):
"""Show help"""
shell = self.get_shell()
if shell is None:
return
obj_text = to_text_string(obj_text)
if not shell.is_defined(obj_text):
if self.get_option('automatic_import') and\
self.internal_shell.is_defined(obj_text, force_import=True):
shell = self.internal_shell
else:
shell = None
doc = None
source_text = None
if shell is not None:
doc = shell.get_doc(obj_text)
source_text = shell.get_source(obj_text)