def to_unicode_from_fs(string):
"""
Return a unicode version of string decoded using the file system encoding.
"""
if not is_string(string): # string is a QString
string = to_text_string(string.toUtf8(), 'utf-8')
else:
if is_binary_string(string):
try:
unic = string.decode(FS_ENCODING)
except (UnicodeError, TypeError):
pass
else:
return unic
return string
def to_unicode_from_fs(string):
"""
Return a unicode version of string decoded using the file system encoding.
"""
if not is_string(string): # string is a QString
string = to_text_string(string.toUtf8(), "utf-8")
else:
if is_binary_string(string):
try:
unic = string.decode(FS_ENCODING)
except (UnicodeError, TypeError):
pass
else:
return unic
return string
def write(self, text, flush=False, error=False, prompt=False):
"""Simulate stdout and stderr"""
if prompt:
self.flush()
if not is_string(text):
# This test is useful to discriminate QStrings from decoded str
text = to_text_string(text)
self.__buffer.append(text)
ts = time.time()
if flush or prompt:
self.flush(error=error, prompt=prompt)
elif ts - self.__timestamp > 0.05:
self.flush(error=error)
self.__timestamp = ts
# Timer to flush strings cached by last write() operation in series
self.__flushtimer.start(50)
def write(self, text, flush=False, error=False, prompt=False):
"""Simulate stdout and stderr"""
if prompt:
self.flush()
if not is_string(text):
# This test is useful to discriminate QStrings from decoded str
text = to_text_string(text)
self.__buffer.append(text)
ts = time.time()
if flush or prompt:
self.flush(error=error, prompt=prompt)
elif ts - self.__timestamp > 0.05:
self.flush(error=error)
self.__timestamp = ts
# Timer to flush strings cached by last write() operation in series
self.__flushtimer.start(50)
def setData(self, index, value, role=Qt.EditRole):
"""Cell content change"""
if not index.isValid() or self.readonly:
return False
i = index.row()
j = index.column()
value = from_qvariant(value, str)
dtype = self._data.dtype.name
if dtype == "bool":
try:
val = bool(float(value))
except ValueError:
val = value.lower() == "true"
elif dtype.startswith("string") or dtype.startswith("bytes"):
val = to_binary_string(value, 'utf8')
elif dtype.startswith("unicode") or dtype.startswith("str"):
val = to_text_string(value)
else:
if value.lower().startswith('e') or value.lower().endswith('e'):
return False
try:
val = complex(value)
if not val.imag:
val = val.real
except ValueError as e:
QMessageBox.critical(self.dialog, "Error",
"Value error: %s" % str(e))
return False
try:
self.test_array[0] = val # will raise an Exception eventually
except OverflowError as e:
print(type(e.message))
QMessageBox.critical(self.dialog, "Error",
"Overflow error: %s" % e.message)
return False
# Add change to self.changes
self.changes[(i, j)] = val
self.dataChanged.emit(index, index)
if not is_string(val):
if val > self.vmax:
self.vmax = val
if val < self.vmin:
self.vmin = val
return True
def setData(self, index, value, role=Qt.EditRole):
"""Cell content change"""
if not index.isValid() or self.readonly:
return False
i = index.row()
j = index.column()
value = from_qvariant(value, str)
dtype = self._data.dtype.name
if dtype == "bool":
try:
val = bool(float(value))
except ValueError:
val = value.lower() == "true"
elif dtype.startswith("string") or dtype.startswith("bytes"):
val = to_binary_string(value, 'utf8')
elif dtype.startswith("unicode") or dtype.startswith("str"):
val = to_text_string(value)
else:
if value.lower().startswith('e') or value.lower().endswith('e'):
return False
try:
val = complex(value)
if not val.imag:
val = val.real
except ValueError as e:
QMessageBox.critical(self.dialog, "Error",
"Value error: %s" % str(e))
return False
try:
self.test_array[0] = val # will raise an Exception eventually
except OverflowError as e:
print(type(e.message))
QMessageBox.critical(self.dialog, "Error",
"Overflow error: %s" % e.message)
return False
# Add change to self.changes
self.changes[(i, j)] = val
self.dataChanged.emit(index, index)
if not is_string(val):
if val > self.vmax:
self.vmax = val
if val < self.vmin:
self.vmin = val
return True
def text_to_qcolor(text):
"""
Create a QColor from specified string
Avoid warning from Qt when an invalid QColor is instantiated
"""
color = QColor()
if not is_string(text): # testing for QString (PyQt API#1)
text = str(text)
if not is_text_string(text):
return color
if text.startswith('#') and len(text)==7:
correct = '#0123456789abcdef'
for char in text:
if char.lower() not in correct:
return color
elif text not in list(QColor.colorNames()):
return color
color.setNamedColor(text)
return color
