def get_filename_text(self, filename):
"""
Read and return content from filename.
Parameters
----------
filename: str
The file path to read.
Returns
-------
str
Content of the filename.
"""
# Avoid a possible error when reading the history file
try:
text, _ = encoding.read(filename)
except (IOError, OSError):
text = "# Previous history could not be read from disk, sorry\n\n"
text = normalize_eols(text)
linebreaks = [m.start() for m in re.finditer('\n', text)]
if len(linebreaks) > MAX_LINES:
text = text[linebreaks[-MAX_LINES - 1] + 1:]
# Avoid an error when trying to write the trimmed text to disk.
# See spyder-ide/spyder#9093.
try:
encoding.write(text, filename)
except (IOError, OSError):
pass
return text
def add_history(self, filename):
"""
Add new history tab
Slot for add_history signal emitted by shell instance
"""
filename = encoding.to_unicode_from_fs(filename)
if filename in self.filenames:
return
editor = codeeditor.CodeEditor(self)
if osp.splitext(filename)[1] == '.py':
language = 'py'
else:
language = 'bat'
editor.setup_editor(linenumbers=self.get_option('line_numbers'),
language=language,
scrollflagarea=False)
editor.focus_changed.connect(lambda: self.focus_changed.emit())
editor.setReadOnly(True)
color_scheme = self.get_color_scheme()
editor.set_font(self.get_font(), color_scheme)
editor.toggle_wrap_mode(self.get_option('wrap'))
# Avoid a possible error when reading the history file
try:
text, _ = encoding.read(filename)
except (IOError, OSError):
text = "# Previous history could not be read from disk, sorry\n\n"
text = normalize_eols(text)
linebreaks = [m.start() for m in re.finditer('\n', text)]
maxNline = self.get_option('max_entries')
if len(linebreaks) > maxNline:
text = text[linebreaks[-maxNline - 1] + 1:]
# Avoid an error when trying to write the trimmed text to
# disk.
# See issue 9093
try:
encoding.write(text, filename)
except (IOError, OSError):
pass
editor.set_text(text)
editor.set_cursor_position('eof')
self.editors.append(editor)
self.filenames.append(filename)
index = self.tabwidget.addTab(editor, osp.basename(filename))
self.find_widget.set_editor(editor)
self.tabwidget.setTabToolTip(index, filename)
self.tabwidget.setCurrentIndex(index)
def add_history(self, filename):
"""
Add new history tab
Slot for add_history signal emitted by shell instance
"""
filename = encoding.to_unicode_from_fs(filename)
if filename in self.filenames:
return
editor = codeeditor.CodeEditor(self)
if osp.splitext(filename)[1] == '.py':
language = 'py'
else:
language = 'bat'
editor.setup_editor(linenumbers=self.get_option('line_numbers'),
language=language,
scrollflagarea=False)
editor.focus_changed.connect(lambda: self.focus_changed.emit())
editor.setReadOnly(True)
color_scheme = self.get_color_scheme()
editor.set_font( self.get_plugin_font(), color_scheme )
editor.toggle_wrap_mode( self.get_option('wrap') )
# Avoid a possible error when reading the history file
try:
text, _ = encoding.read(filename)
except (IOError, OSError):
text = "# Previous history could not be read from disk, sorry\n\n"
text = normalize_eols(text)
linebreaks = [m.start() for m in re.finditer('\n', text)]
maxNline = self.get_option('max_entries')
if len(linebreaks) > maxNline:
text = text[linebreaks[-maxNline - 1] + 1:]
# Avoid an error when trying to write the trimmed text to
# disk.
# See issue 9093
try:
encoding.write(text, filename)
except (IOError, OSError):
pass
editor.set_text(text)
editor.set_cursor_position('eof')
self.editors.append(editor)
self.filenames.append(filename)
index = self.tabwidget.addTab(editor, osp.basename(filename))
self.find_widget.set_editor(editor)
self.tabwidget.setTabToolTip(index, filename)
self.tabwidget.setCurrentIndex(index)
def add_history(self, filename):
"""
Add new history tab
Slot for add_history signal emitted by shell instance
"""
filename = encoding.to_unicode_from_fs(filename)
if filename in self.filenames:
return
editor = codeeditor.CodeEditor(self)
if osp.splitext(filename)[1] == '.py':
language = 'py'
else:
language = 'bat'
editor.setup_editor(linenumbers=self.get_option('line_numbers'),
language=language,
scrollflagarea=False)
editor.focus_changed.connect(lambda: self.focus_changed.emit())
editor.setReadOnly(True)
color_scheme = self.get_color_scheme()
editor.set_font( self.get_plugin_font(), color_scheme )
editor.toggle_wrap_mode( self.get_option('wrap') )
text, _ = encoding.read(filename)
text = normalize_eols(text)
linebreaks = [m.start() for m in re.finditer('\n', text)]
maxNline = self.get_option('max_entries')
if len(linebreaks) > maxNline:
text = text[linebreaks[-maxNline - 1] + 1:]
encoding.write(text, filename)
editor.set_text(text)
editor.set_cursor_position('eof')
self.editors.append(editor)
self.filenames.append(filename)
index = self.tabwidget.addTab(editor, osp.basename(filename))
self.find_widget.set_editor(editor)
self.tabwidget.setTabToolTip(index, filename)
self.tabwidget.setCurrentIndex(index)
def test_normalize_eols():
text = "a\nb\r\nc\rd"
assert sourcecode.normalize_eols(text) == "a\nb\nc\nd"
def test_normalize_eols():
text = "a\nb\r\nc\rd"
assert sourcecode.normalize_eols(text) == "a\nb\nc\nd"