forked from 170010011/fr
150 lines
4.5 KiB
Python
150 lines
4.5 KiB
Python
#############################################################################
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##
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## Copyright (c) 2020 Riverbank Computing Limited <info@riverbankcomputing.com>
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##
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## This file is part of PyQt5.
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##
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## This file may be used under the terms of the GNU General Public License
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## version 3.0 as published by the Free Software Foundation and appearing in
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## the file LICENSE included in the packaging of this file. Please review the
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## following information to ensure the GNU General Public License version 3.0
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## requirements will be met: http://www.gnu.org/copyleft/gpl.html.
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##
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## If you do not wish to use this file under the terms of the GPL version 3.0
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## then you may purchase a commercial license. For more information contact
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## info@riverbankcomputing.com.
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##
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## This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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## WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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##
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#############################################################################
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import sys
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import logging
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from . import compileUi, loadUi
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class Driver(object):
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""" This encapsulates access to the pyuic functionality so that it can be
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called by code that is Python v2/v3 specific.
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"""
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LOGGER_NAME = 'PyQt5.uic'
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def __init__(self, opts, ui_file):
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""" Initialise the object. opts is the parsed options. ui_file is the
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name of the .ui file.
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"""
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if opts.debug:
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logger = logging.getLogger(self.LOGGER_NAME)
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handler = logging.StreamHandler()
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handler.setFormatter(logging.Formatter("%(name)s: %(message)s"))
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logger.addHandler(handler)
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logger.setLevel(logging.DEBUG)
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self._opts = opts
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self._ui_file = ui_file
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def invoke(self):
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""" Invoke the action as specified by the parsed options. Returns 0 if
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there was no error.
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"""
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if self._opts.preview:
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return self._preview()
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self._generate()
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return 0
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def _preview(self):
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""" Preview the .ui file. Return the exit status to be passed back to
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the parent process.
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"""
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from PyQt5 import QtWidgets
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app = QtWidgets.QApplication([self._ui_file])
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widget = loadUi(self._ui_file)
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widget.show()
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return app.exec_()
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def _generate(self):
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""" Generate the Python code. """
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needs_close = False
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if sys.hexversion >= 0x03000000:
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if self._opts.output == '-':
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from io import TextIOWrapper
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pyfile = TextIOWrapper(sys.stdout.buffer, encoding='utf8')
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else:
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pyfile = open(self._opts.output, 'wt', encoding='utf8')
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needs_close = True
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else:
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if self._opts.output == '-':
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pyfile = sys.stdout
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else:
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pyfile = open(self._opts.output, 'wt')
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needs_close = True
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import_from = self._opts.import_from
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if import_from:
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from_imports = True
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elif self._opts.from_imports:
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from_imports = True
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import_from = '.'
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else:
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from_imports = False
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compileUi(self._ui_file, pyfile, self._opts.execute, self._opts.indent,
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from_imports, self._opts.resource_suffix, import_from)
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if needs_close:
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pyfile.close()
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def on_IOError(self, e):
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""" Handle an IOError exception. """
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sys.stderr.write("Error: %s: \"%s\"\n" % (e.strerror, e.filename))
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def on_SyntaxError(self, e):
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""" Handle a SyntaxError exception. """
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sys.stderr.write("Error in input file: %s\n" % e)
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def on_NoSuchClassError(self, e):
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""" Handle a NoSuchClassError exception. """
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sys.stderr.write(str(e) + "\n")
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def on_NoSuchWidgetError(self, e):
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""" Handle a NoSuchWidgetError exception. """
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sys.stderr.write(str(e) + "\n")
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def on_Exception(self, e):
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""" Handle a generic exception. """
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if logging.getLogger(self.LOGGER_NAME).level == logging.DEBUG:
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import traceback
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traceback.print_exception(*sys.exc_info())
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else:
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from PyQt5 import QtCore
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sys.stderr.write("""An unexpected error occurred.
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Check that you are using the latest version of PyQt5 and send an error report to
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support@riverbankcomputing.com, including the following information:
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* your version of PyQt (%s)
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* the UI file that caused this error
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* the debug output of pyuic5 (use the -d flag when calling pyuic5)
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""" % QtCore.PYQT_VERSION_STR)
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