def update_browse_tabs_menu(self):
"""Update browse tabs menu"""
self.browse_tabs_menu.clear()
names = []
dirnames = []
for index in range(self.count()):
if self.menu_use_tooltips:
text = to_text_string(self.tabToolTip(index))
else:
text = to_text_string(self.tabText(index))
names.append(text)
if osp.isfile(text):
# Testing if tab names are filenames
dirnames.append(osp.dirname(text))
offset = None
# If tab names are all filenames, removing common path:
if len(names) == len(dirnames):
common = get_common_path(dirnames)
if common is None:
offset = None
else:
offset = len(common)+1
if offset <= 3:
# Common path is not a path but a drive letter...
offset = None
for index, text in enumerate(names):
tab_action = create_action(self, text[offset:],
icon=self.tabIcon(index),
toggled=lambda state, index=index:
self.setCurrentIndex(index),
tip=self.tabToolTip(index))
tab_action.setChecked(index == self.currentIndex())
self.browse_tabs_menu.addAction(tab_action)
def silent_exec_method(self, code):
"""Silently execute a kernel method and save its reply
The methods passed here **don't** involve getting the value
of a variable but instead replies that can be handled by
ast.literal_eval.
To get a value see `get_value`
Parameters
----------
code : string
Code that contains the kernel method as part of its
string
See Also
--------
handle_exec_method : Method that deals with the reply
Note
----
This is based on the _silent_exec_callback method of
RichJupyterWidget. Therefore this is licensed BSD
"""
# Generate uuid, which would be used as an indication of whether or
# not the unique request originated from here
local_uuid = to_text_string(uuid.uuid1())
code = to_text_string(code)
msg_id = self.kernel_client.execute(
'', silent=True, user_expressions={local_uuid: code})
self._kernel_methods[local_uuid] = code
self._request_info['execute'][msg_id] = self._ExecutionRequest(
msg_id, 'silent_exec_method')
def format_measure(self, measure):
"""Get format and units for data coming from profiler task."""
# For number of calls
if isinstance(measure, int):
return to_text_string(measure)
# For time measurements
if 1.e-9 < measure <= 1.e-6:
measure = u"{0:.2f} ns".format(measure / 1.e-9)
elif 1.e-6 < measure <= 1.e-3:
measure = u"{0:.2f} us".format(measure / 1.e-6)
elif 1.e-3 < measure <= 1:
measure = u"{0:.2f} ms".format(measure / 1.e-3)
elif 1 < measure <= 60:
measure = u"{0:.2f} sec".format(measure)
elif 60 < measure <= 3600:
m, s = divmod(measure, 3600)
if s > 60:
m, s = divmod(measure, 60)
s = to_text_string(s).split(".")[-1]
measure = u"{0:.0f}.{1:.2s} min".format(m, s)
else:
h, m = divmod(measure, 3600)
if m > 60:
m /= 60
measure = u"{0:.0f}h:{1:.0f}min".format(h, m)
return measure
def register_plugin(self):
"""Register plugin in TRex's main window"""
self.main.add_dockwidget(self)
self.edit.connect(self.main.editor.load)
self.removed.connect(self.main.editor.removed)
self.removed_tree.connect(self.main.editor.removed_tree)
self.renamed.connect(self.main.editor.renamed)
self.main.editor.open_dir.connect(self.chdir)
self.create_module.connect(self.main.editor.new)
self.run.connect(
lambda fname:
self.main.open_external_console(to_text_string(fname),
osp.dirname(to_text_string(fname)),
'', False, False, True, '', False))
# Signal "set_explorer_cwd(QString)" will refresh only the
# contents of path passed by the signal in explorer:
self.main.workingdirectory.set_explorer_cwd.connect(
lambda directory: self.refresh_plugin(new_path=directory,
force_current=True))
self.open_dir.connect(
lambda dirname:
self.main.workingdirectory.chdir(dirname,
refresh_explorer=False))
self.sig_open_file.connect(self.main.open_file)
self.sig_new_file.connect(lambda t: self.main.editor.new(text=t))
def _shape_text(self,
text,
colsep=u"\t",
rowsep=u"\n",
transpose=False,
skiprows=0,
comments='#'):
"""Decode the shape of the given text"""
assert colsep != rowsep
out = []
text_rows = text.split(rowsep)[skiprows:]
for row in text_rows:
stripped = to_text_string(row).strip()
if len(stripped) == 0 or stripped.startswith(comments):
continue
line = to_text_string(row).split(colsep)
line = [try_to_parse(to_text_string(x)) for x in line]
out.append(line)
# Replace missing elements with np.nan's or None's
if programs.is_module_installed('numpy'):
from numpy import nan
out = list(zip_longest(*out, fillvalue=nan))
else:
out = list(zip_longest(*out, fillvalue=None))
# Tranpose the last result to get the expected one
out = [[r[col] for r in out] for col in range(len(out[0]))]
if transpose:
return [[r[col] for r in out] for col in range(len(out[0]))]
return out
def find_multiline_pattern(self, regexp, cursor, findflag):
"""Reimplement QTextDocument's find method
Add support for *multiline* regular expressions"""
pattern = to_text_string(regexp.pattern())
text = to_text_string(self.toPlainText())
try:
regobj = re.compile(pattern)
except sre_constants.error:
return
if findflag & QTextDocument.FindBackward:
# Find backward
offset = min([cursor.selectionEnd(), cursor.selectionStart()])
text = text[:offset]
matches = [_m for _m in regobj.finditer(text, 0, offset)]
if matches:
match = matches[-1]
else:
return
else:
# Find forward
offset = max([cursor.selectionEnd(), cursor.selectionStart()])
match = regobj.search(text, offset)
if match:
pos1, pos2 = match.span()
fcursor = self.textCursor()
fcursor.setPosition(pos1)
fcursor.setPosition(pos2, QTextCursor.KeepAnchor)
return fcursor
def chdir(self, directory=None, browsing_history=False):
"""Set directory as working directory"""
if directory is not None:
directory = osp.abspath(to_text_string(directory))
if browsing_history:
directory = self.history[self.histindex]
elif directory in self.history:
self.histindex = self.history.index(directory)
else:
if self.histindex is None:
self.history = []
else:
self.history = self.history[:self.histindex+1]
if len(self.history) == 0 or \
(self.history and self.history[-1] != directory):
self.history.append(directory)
self.histindex = len(self.history)-1
directory = to_text_string(directory)
try:
os.chdir(directory)
self.parent_widget.open_dir.emit(directory)
self.refresh(new_path=directory, force_current=True)
except PermissionError:
QMessageBox.critical(self.parent_widget, "Error",
_("You don't have the right permissions to "
"open this directory"))
def rename_file(self, fname):
"""Rename file"""
path, valid = QInputDialog.getText(self, _('Rename'),
_('New name:'), QLineEdit.Normal,
osp.basename(fname))
if valid:
path = osp.join(osp.dirname(fname), to_text_string(path))
if path == fname:
return
if osp.exists(path):
if QMessageBox.warning(self, _("Rename"),
_("Do you really want to rename <b>%s</b> and "
"overwrite the existing file <b>%s</b>?"
) % (osp.basename(fname), osp.basename(path)),
QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:
return
try:
misc.rename_file(fname, path)
self.parent_widget.renamed.emit(fname, path)
return path
except EnvironmentError as error:
QMessageBox.critical(self, _("Rename"),
_("<b>Unable to rename file <i>%s</i></b>"
"<br><br>Error message:<br>%s"
) % (osp.basename(fname), to_text_string(error)))
def chdir(self, directory, browsing_history=False, refresh_explorer=True):
"""Set directory as working directory"""
if directory:
directory = osp.abspath(to_text_string(directory))
# Working directory history management
if browsing_history:
directory = self.history[self.histindex]
elif directory in self.history:
self.histindex = self.history.index(directory)
else:
if self.histindex is None:
self.history = []
else:
self.history = self.history[:self.histindex + 1]
self.history.append(directory)
self.histindex = len(self.history) - 1
# Changing working directory
os.chdir(to_text_string(directory))
self.refresh_plugin()
if refresh_explorer:
self.set_explorer_cwd.emit(directory)
self.set_as_current_console_wd()
self.refresh_findinfiles.emit()
def create_new_folder(self, current_path, title, subtitle, is_package):
"""Create new folder"""
if current_path is None:
current_path = ''
if osp.isfile(current_path):
current_path = osp.dirname(current_path)
name, valid = QInputDialog.getText(self, title, subtitle,
QLineEdit.Normal, "")
if valid:
dirname = osp.join(current_path, to_text_string(name))
try:
os.mkdir(dirname)
except EnvironmentError as error:
QMessageBox.critical(self, title,
_("<b>Unable "
"to create folder <i>%s</i></b>"
"<br><br>Error message:<br>%s"
) % (dirname, to_text_string(error)))
finally:
if is_package:
fname = osp.join(dirname, '__init__.py')
try:
with open(fname, 'wb') as f:
f.write(to_binary_string('#'))
return dirname
except EnvironmentError as error:
QMessageBox.critical(self, title,
_("<b>Unable "
"to create file <i>%s</i></b>"
"<br><br>Error message:<br>%s"
) % (fname,
to_text_string(error)))
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():
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)
if doc['docstring'] == '' and \
any([doc['name'], doc['argspec'], doc['note']]):
msg = _("No further documentation available")
html_text += '<div class="hr"></div>'
html_text += '<div id="doc-warning">%s</div>' % msg
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)
def _find_parenthesis(self, position, forward=True):
""" If 'forward' is True (resp. False), proceed forwards
(resp. backwards) through the line that contains 'position' until an
unmatched closing (resp. opening) parenthesis is found. Returns a
tuple containing the position of this parenthesis (or -1 if it is
not found) and the number commas (at depth 0) found along the way.
"""
commas = depth = 0
document = self._text_edit.document()
char = to_text_string(document.characterAt(position))
# Search until a match is found or a non-printable character is
# encountered.
while category(char) != 'Cc' and position > 0:
if char == ',' and depth == 0:
commas += 1
elif char == ')':
if forward and depth == 0:
break
depth += 1
elif char == '(':
if not forward and depth == 0:
break
depth -= 1
position += 1 if forward else -1
char = to_text_string(document.characterAt(position))
else:
position = -1
return position, commas
def setup(self):
iofuncs = self.get_internal_funcs() + self.get_3rd_party_funcs()
load_extensions = {}
save_extensions = {}
load_funcs = {}
save_funcs = {}
load_filters = []
save_filters = []
load_ext = []
for ext, name, loadfunc, savefunc in iofuncs:
filter_str = to_text_string(name + " (*%s)" % ext)
if loadfunc is not None:
load_filters.append(filter_str)
load_extensions[filter_str] = ext
load_funcs[ext] = loadfunc
load_ext.append(ext)
if savefunc is not None:
save_extensions[filter_str] = ext
save_filters.append(filter_str)
save_funcs[ext] = savefunc
load_filters.insert(0, to_text_string(_("Supported files")+" (*"+\
" *".join(load_ext)+")"))
load_filters.append(to_text_string(_("All files (*.*)")))
self.load_filters = "\n".join(load_filters)
self.save_filters = "\n".join(save_filters)
self.load_funcs = load_funcs
self.save_funcs = save_funcs
self.load_extensions = load_extensions
self.save_extensions = save_extensions
def data(self, index, role=Qt.DisplayRole):
"""Cell content"""
if not index.isValid():
return to_qvariant()
if role == Qt.DisplayRole or role == Qt.EditRole:
column = index.column()
row = index.row()
if column == 0:
return to_qvariant(to_text_string(self.df_index[row]))
else:
value = self.get_value(row, column - 1)
if isinstance(value, float):
try:
return to_qvariant(self._format % value)
except (ValueError, TypeError):
# may happen if format = '%d' and value = NaN;
# see issue 4139
return to_qvariant(DEFAULT_FORMAT % value)
else:
try:
return to_qvariant(to_text_string(value))
except UnicodeDecodeError:
return to_qvariant(encoding.to_unicode(value))
elif role == Qt.BackgroundColorRole:
return to_qvariant(self.get_bgcolor(index))
elif role == Qt.FontRole:
return to_qvariant(get_font(font_size_delta=DEFAULT_SMALL_DELTA))
return to_qvariant()
def value_to_display(value, minmax=False):
"""Convert value for display purpose"""
try:
numeric_numpy_types = (int64, int32, float64, float32, complex128,
complex64)
if isinstance(value, recarray):
fields = value.names
display = 'Field names: ' + ', '.join(fields)
elif isinstance(value, MaskedArray):
display = 'Masked array'
elif isinstance(value, ndarray):
if minmax:
try:
display = 'Min: %r\nMax: %r' % (value.min(), value.max())
except (TypeError, ValueError):
display = repr(value)
else:
display = repr(value)
elif isinstance(value, (list, tuple, dict, set)):
display = CollectionsRepr.repr(value)
elif isinstance(value, Image):
display = '%s Mode: %s' % (address(value), value.mode)
elif isinstance(value, DataFrame):
cols = value.columns
cols = [to_text_string(c) for c in cols]
display = 'Column names: ' + ', '.join(list(cols))
elif isinstance(value, NavigableString):
# Fixes Issue 2448
display = to_text_string(value)
elif isinstance(value, DatetimeIndex):
display = value.summary()
elif is_binary_string(value):
try:
display = to_text_string(value, 'utf8')
except:
display = value
elif is_text_string(value):
display = value
elif isinstance(value, NUMERIC_TYPES) or isinstance(value, bool) or \
isinstance(value, datetime.date) or \
isinstance(value, numeric_numpy_types):
display = repr(value)
else:
# Note: Don't trust on repr's. They can be inefficient and
# so freeze TRex quite easily
# display = repr(value)
type_str = to_text_string(type(value))
display = type_str[1:-1]
except:
type_str = to_text_string(type(value))
display = type_str[1:-1]
# Truncate display at 80 chars to avoid freezing TRex
# because of large displays
if len(display) > 80:
display = display[:80].rstrip() + ' ...'
return display
def append_to_history(self, filename, command):
"""
Append an entry to history filename
Slot for append_to_history signal emitted by shell instance
"""
if not is_text_string(filename): # filename is a QString
filename = to_text_string(filename.toUtf8(), 'utf-8')
command = to_text_string(command)
index = self.filenames.index(filename)
self.editors[index].append(command)
if self.get_option('go_to_eof'):
self.editors[index].set_cursor_position('eof')
self.tabwidget.setCurrentIndex(index)
def replace(self, text, pattern=None):
"""Replace selected text by *text*
If *pattern* is not None, replacing selected text using regular
expression text substitution"""
cursor = self.textCursor()
cursor.beginEditBlock()
if pattern is not None:
seltxt = to_text_string(cursor.selectedText())
cursor.removeSelectedText()
if pattern is not None:
text = re.sub(to_text_string(pattern), to_text_string(text),
to_text_string(seltxt))
cursor.insertText(text)
cursor.endEditBlock()
def get(self):
self.runconf.args_enabled = self.clo_cb.isChecked()
self.runconf.args = to_text_string(self.clo_edit.text())
self.runconf.wdir_enabled = self.wd_cb.isChecked()
self.runconf.wdir = to_text_string(self.wd_edit.text())
self.runconf.current = self.current_radio.isChecked()
self.runconf.systerm = self.systerm_radio.isChecked()
self.runconf.interact = self.interact_cb.isChecked()
self.runconf.show_kill_warning = self.show_kill_warning_cb.isChecked()
self.runconf.post_mortem = self.post_mortem_cb.isChecked()
self.runconf.python_args_enabled = self.pclo_cb.isChecked()
self.runconf.python_args = to_text_string(self.pclo_edit.text())
self.runconf.clear_namespace = self.clear_var_cb.isChecked()
return self.runconf.get()
def process(self):
"""Process the data from clipboard"""
var_name = self.name_edt.text()
try:
self.var_name = str(var_name)
except UnicodeEncodeError:
self.var_name = to_text_string(var_name)
if self.text_widget.get_as_data():
self.clip_data = self._get_table_data()
elif self.text_widget.get_as_code():
self.clip_data = try_to_eval(to_text_string(
self._get_plain_text()))
else:
self.clip_data = to_text_string(self._get_plain_text())
self.accept()
def set_font(font, section='main', option='font'):
"""Set font"""
CONF.set(section, option + '/family', to_text_string(font.family()))
CONF.set(section, option + '/size', float(font.pointSize()))
CONF.set(section, option + '/italic', int(font.italic()))
CONF.set(section, option + '/bold', int(font.bold()))
FONT_CACHE[(section, option)] = font
def show(self, dialog):
"""Generic method to show a non-modal dialog and keep reference
to the Qt C++ object"""
for dlg in list(self.dialogs.values()):
if to_text_string(dlg.windowTitle()) \
== to_text_string(dialog.windowTitle()):
dlg.show()
dlg.raise_()
break
else:
dialog.show()
self.dialogs[id(dialog)] = dialog
dialog.accepted.connect(
lambda eid=id(dialog): self.dialog_finished(eid))
dialog.rejected.connect(
lambda eid=id(dialog): self.dialog_finished(eid))
def set_object_text(self, text, force_refresh=False, ignore_unknown=False):
"""Set object analyzed by Help"""
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_help(text, force=force_refresh)
if self.dockwidget is not None:
self.dockwidget.blockSignals(False)
def listdir(path, include='.', exclude=r'\.pyc$|^\.', show_all=False,
folders_only=False):
"""List files and directories"""
namelist = []
dirlist = [to_text_string(osp.pardir)]
for item in os.listdir(to_text_string(path)):
if re.search(exclude, item) and not show_all:
continue
if osp.isdir(osp.join(path, item)):
dirlist.append(item)
elif folders_only:
continue
elif re.search(include, item) or show_all:
namelist.append(item)
return sorted(dirlist, key=str_lower) + \
sorted(namelist, key=str_lower)
def delete_file(self, fname, multiple, yes_to_all):
"""Delete file"""
if multiple:
buttons = QMessageBox.Yes|QMessageBox.YesAll| \
QMessageBox.No|QMessageBox.Cancel
else:
buttons = QMessageBox.Yes|QMessageBox.No
if yes_to_all is None:
answer = QMessageBox.warning(self, _("Delete"),
_("Do you really want "
"to delete <b>%s</b>?"
) % osp.basename(fname), buttons)
if answer == QMessageBox.No:
return yes_to_all
elif answer == QMessageBox.Cancel:
return False
elif answer == QMessageBox.YesAll:
yes_to_all = True
try:
if osp.isfile(fname):
misc.remove_file(fname)
self.parent_widget.removed.emit(fname)
else:
self.remove_tree(fname)
self.parent_widget.removed_tree.emit(fname)
return yes_to_all
except EnvironmentError as error:
action_str = _('delete')
QMessageBox.critical(self, _("Project Explorer"),
_("<b>Unable to %s <i>%s</i></b>"
"<br><br>Error message:<br>%s"
) % (action_str, fname, to_text_string(error)))
return False
def translate_gettext(x):
y = lgettext(x)
if is_text_string(y):
return y
else:
return to_text_string(y, "utf-8")
def data(self, index, role=Qt.DisplayRole):
"""Cell content"""
if not index.isValid():
return to_qvariant()
value = self.get_value(index)
if is_binary_string(value):
try:
value = to_text_string(value, 'utf8')
except:
pass
if role == Qt.DisplayRole:
if value is np.ma.masked:
return ''
else:
return to_qvariant(self._format % value)
elif role == Qt.TextAlignmentRole:
return to_qvariant(int(Qt.AlignCenter | Qt.AlignVCenter))
elif role == Qt.BackgroundColorRole and self.bgcolor_enabled \
and value is not np.ma.masked:
hue = self.hue0+\
self.dhue*(self.vmax-self.color_func(value)) \
/(self.vmax-self.vmin)
hue = float(np.abs(hue))
color = QColor.fromHsvF(hue, self.sat, self.val, self.alp)
return to_qvariant(color)
elif role == Qt.FontRole:
return to_qvariant(get_font(font_size_delta=DEFAULT_SMALL_DELTA))
return to_qvariant()
def get_coding(text):
"""
Function to get the coding of a text.
@param text text to inspect (string)
@return coding string
"""
for line in text.splitlines()[:2]:
try:
result = CODING_RE.search(to_text_string(line))
except UnicodeDecodeError:
# This could fail because to_text_string assume the text is utf8-like
# and we don't know the encoding to give it to to_text_string
pass
else:
if result:
codec = result.group(1)
# sometimes we find a false encoding that can result in errors
if codec in CODECS:
return codec
# Fallback using chardet
if is_binary_string(text):
detector = UniversalDetector()
for line in text.splitlines()[:2]:
detector.feed(line)
if detector.done: break
detector.close()
return detector.result['encoding']
return None
def get_current_word(self):
"""Return current word, i.e. word at cursor position"""
cursor = self.textCursor()
if cursor.hasSelection():
# Removes the selection and moves the cursor to the left side
# of the selection: this is required to be able to properly
# select the whole word under cursor (otherwise, the same word is
# not selected when the cursor is at the right side of it):
cursor.setPosition(
min([cursor.selectionStart(),
cursor.selectionEnd()]))
else:
# Checks if the first character to the right is a white space
# and if not, moves the cursor one word to the left (otherwise,
# if the character to the left do not match the "word regexp"
# (see below), the word to the left of the cursor won't be
# selected), but only if the first character to the left is not a
# white space too.
def is_space(move):
curs = self.textCursor()
curs.movePosition(move, QTextCursor.KeepAnchor)
return not to_text_string(curs.selectedText()).strip()
if is_space(QTextCursor.NextCharacter):
if is_space(QTextCursor.PreviousCharacter):
return
cursor.movePosition(QTextCursor.WordLeft)
cursor.select(QTextCursor.WordUnderCursor)
text = to_text_string(cursor.selectedText())
match = re.findall(r'([a-zA-Z\_]+[0-9a-zA-Z\_]*)', text)
if match:
return match[0]
def _handle_stream(self, msg):
"""
Reimplemented to handle input replies in hidden mode
"""
if not self._hidden:
self.flush_clearoutput()
self.append_stream(msg['content']['text'])
# This signal is a clear indication that all stdout
# has been handled at this point. Then TRex can
# proceed to request other inputs
self.sig_prompt_ready.emit()
else:
# This allows TRex to receive, transform and save the
# contents of a silent execution
content = msg.get('content', '')
if content:
name = content.get('name', '')
if name == 'stdout':
text = content['text']
text = to_text_string(text.replace('\n', ''))
try:
reply = ast.literal_eval(text)
except:
reply = None
if not isinstance(reply, dict):
self._input_reply = None
else:
self._input_reply = reply
self.sig_input_reply.emit()
else:
self._input_reply = None
self.sig_input_reply.emit()
else:
self._input_reply = None
self.sig_input_reply.emit()
def _complete_options(self):
"""Find available completion options."""
text = to_text_string(self.currentText())
opts = glob.glob(text + "*")
opts = sorted([opt for opt in opts if osp.isdir(opt)])
self.setCompleter(QCompleter(opts, self))
return opts
