def __init__(self, output_directory):
super(Converter, self).__init__()
assert output_directory is not None
self.output_directory = output_directory
self.latex_source = ""
self._latex_process = None
self._convert_process = None
self.logs_parser = LogsParser()
self._stopping_conversion = False
self.unique_random_file_name = unicode(uuid4())
self.base_file_path = os.path.join(self.output_directory,
self.unique_random_file_name)
self.source_file_path = "%s.tex" % self.base_file_path
self.pdf_file_path = "%s.pdf" % self.base_file_path
self.png_file_path = "%s.png" % self.base_file_path
self._initProcesses()
def __init__(self, output_directory): super(Converter, self).__init__() assert output_directory is not None self.output_directory = output_directory self.latex_source = "" self._latex_process = None self._convert_process = None self.logs_parser = LogsParser() self._stopping_conversion = False self.unique_random_file_name = unicode(uuid4()) self.base_file_path = os.path.join(self.output_directory, self.unique_random_file_name) self.source_file_path = "%s.tex" % self.base_file_path self.pdf_file_path = "%s.pdf" % self.base_file_path self.png_file_path = "%s.png" % self.base_file_path self._initProcesses()
class Converter(QObject):
"""
Converts LaTeX source to image file
"""
convertedSignal = pyqtSignal(LatexToImageConversion)
conversionAbortedSignal = pyqtSignal()
def __init__(self, output_directory):
super(Converter, self).__init__()
assert output_directory is not None
self.output_directory = output_directory
self.latex_source = ""
self._latex_process = None
self._convert_process = None
self.logs_parser = LogsParser()
self._stopping_conversion = False
self.unique_random_file_name = unicode(uuid4())
self.base_file_path = os.path.join(self.output_directory,
self.unique_random_file_name)
self.source_file_path = "%s.tex" % self.base_file_path
self.pdf_file_path = "%s.pdf" % self.base_file_path
self.png_file_path = "%s.png" % self.base_file_path
self._initProcesses()
def _initProcesses(self):
self._latex_process = QProcess()
self._latex_process.setWorkingDirectory(self.output_directory)
self._latex_process.finished.connect(self._latexTypesettingFinished)
self._latex_process.error.connect(self._latexTypesettingError)
self._convert_process = QProcess()
self._convert_process.setWorkingDirectory(self.output_directory)
self._convert_process.error.connect(self._pdfToImageConversionError)
self._convert_process.finished.connect(
self._pdfToImageConversionFinished)
def stopConversion(self):
self._stopping_conversion = True
self._killProcesses()
self._stopping_conversion = False
def isStoppingConversion(self):
return self._stopping_conversion
def _killProcesses(self):
self._latex_process.kill()
self._latex_process.waitForFinished()
self._convert_process.kill()
self._convert_process.waitForFinished()
def convertLatexToImage(self, source):
self.stopConversion()
try:
self.logs_parser.clearLogsAndErrors()
self.latex_source = source
self._writeSourceCodeToFile()
self._startConversion()
except Exception, e:
self.logs_parser.addErrorMessage(unicode(e))
self._parseErrorsFromLogs()
self._emitConversionSignalWithImagePath(None)
self.conversionAbortedSignal.emit()
class Converter(QObject): """ Converts LaTeX source to image file """ convertedSignal = pyqtSignal(LatexToImageConversion) conversionAbortedSignal = pyqtSignal() def __init__(self, output_directory): super(Converter, self).__init__() assert output_directory is not None self.output_directory = output_directory self.latex_source = "" self._latex_process = None self._convert_process = None self.logs_parser = LogsParser() self._stopping_conversion = False self.unique_random_file_name = unicode(uuid4()) self.base_file_path = os.path.join(self.output_directory, self.unique_random_file_name) self.source_file_path = "%s.tex" % self.base_file_path self.pdf_file_path = "%s.pdf" % self.base_file_path self.png_file_path = "%s.png" % self.base_file_path self._initProcesses() def _initProcesses(self): self._latex_process = QProcess() self._latex_process.setWorkingDirectory(self.output_directory) self._latex_process.finished.connect(self._latexTypesettingFinished) self._latex_process.error.connect(self._latexTypesettingError) self._convert_process = QProcess() self._convert_process.setWorkingDirectory(self.output_directory) self._convert_process.error.connect(self._pdfToImageConversionError) self._convert_process.finished.connect(self._pdfToImageConversionFinished) def stopConversion(self): self._stopping_conversion = True self._killProcesses() self._stopping_conversion = False def isStoppingConversion(self): return self._stopping_conversion def _killProcesses(self): self._latex_process.kill() self._latex_process.waitForFinished() self._convert_process.kill() self._convert_process.waitForFinished() def convertLatexToImage(self, source): self.stopConversion() try: self.logs_parser.clearLogsAndErrors() self.latex_source = source self._writeSourceCodeToFile() self._startConversion() except Exception, e: self.logs_parser.addErrorMessage(unicode(e)) self._parseErrorsFromLogs() self._emitConversionSignalWithImagePath(None) self.conversionAbortedSignal.emit()