def send_ctrl_to_process(self, letter):
char = chr("abcdefghijklmnopqrstuvwxyz".index(letter) + 1)
byte_array = QByteArray()
byte_array.append(char)
self.process.write(byte_array)
self.process.waitForBytesWritten(-1)
self.shell.write(LOCALE_CODEC.toUnicode(byte_array), flush=True)
def read_output(self, error=False):
if error:
self.process.setReadChannel(QProcess.StandardError)
else:
self.process.setReadChannel(QProcess.StandardOutput)
qba = QByteArray()
while self.process.bytesAvailable():
if error:
qba += self.process.readAllStandardError()
else:
qba += self.process.readAllStandardOutput()
text = to_text_string(locale_codec.toUnicode(qba.data()))
if error:
self.error_output += text
else:
self.output += text
def load_font(self, prefix, ttf_filename, charmap_filename, directory=None):
"""Loads a font file and the associated charmap
If `directory` is None, the files will be looked up in ./fonts/
Arguments
---------
prefix: str
prefix string to be used when accessing a given font set
ttf_filename: str
ttf font filename
charmap_filename: str
charmap filename
directory: str or None, optional
directory for font and charmap files
"""
def hook(obj):
result = {}
for key in obj:
result[key] = unichr(int(obj[key], 16))
return result
if directory is None:
directory = os.path.join(
os.path.dirname(os.path.realpath(__file__)), 'fonts')
with open(os.path.join(directory, ttf_filename), 'rb') as f:
font_data = QByteArray(f.read())
with open(os.path.join(directory, charmap_filename), 'r') as codes:
self.charmap[prefix] = json.load(codes, object_hook=hook)
id_ = QFontDatabase.addApplicationFontFromData(font_data)
loadedFontFamilies = QFontDatabase.applicationFontFamilies(id_)
if(loadedFontFamilies):
self.fontname[prefix] = loadedFontFamilies[0]
else:
print('Font is empty')
def get_stderr(self):
self.process.setReadChannel(QProcess.StandardError)
qba = QByteArray()
while self.process.bytesAvailable():
qba += self.process.readAllStandardError()
return self.transcode(qba)
