/usr/lib/python2.7/dist-packages/PyQt4/uic/driver.py is in python-qt4 4.11.4+dfsg-2+b1.
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##
## Copyright (c) 2015 Riverbank Computing Limited <info@riverbankcomputing.com>
##
## This file is part of PyQt4.
##
## This file may be used under the terms of the GNU General Public License
## version 3.0 as published by the Free Software Foundation and appearing in
## the file LICENSE included in the packaging of this file. Please review the
## following information to ensure the GNU General Public License version 3.0
## requirements will be met: http://www.gnu.org/copyleft/gpl.html.
##
## If you do not wish to use this file under the terms of the GPL version 3.0
## then you may purchase a commercial license. For more information contact
## info@riverbankcomputing.com.
##
## This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
## WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
##
#############################################################################
import sys
import logging
from PyQt4.uic import compileUi, loadUi
class Driver(object):
""" This encapsulates access to the pyuic functionality so that it can be
called by code that is Python v2/v3 specific.
"""
LOGGER_NAME = 'PyQt4.uic'
def __init__(self, opts, ui_file):
""" Initialise the object. opts is the parsed options. ui_file is the
name of the .ui file.
"""
if opts.debug:
logger = logging.getLogger(self.LOGGER_NAME)
handler = logging.StreamHandler()
handler.setFormatter(logging.Formatter("%(name)s: %(message)s"))
logger.addHandler(handler)
logger.setLevel(logging.DEBUG)
self._opts = opts
self._ui_file = ui_file
def invoke(self):
""" Invoke the action as specified by the parsed options. Returns 0 if
there was no error.
"""
if self._opts.preview:
return self._preview()
self._generate()
return 0
def _preview(self):
""" Preview the .ui file. Return the exit status to be passed back to
the parent process.
"""
from PyQt4 import QtGui
app = QtGui.QApplication([self._ui_file])
widget = loadUi(self._ui_file)
widget.show()
return app.exec_()
def _generate(self):
""" Generate the Python code. """
needs_close = False
if sys.hexversion >= 0x03000000:
if self._opts.output == '-':
from io import TextIOWrapper
pyfile = TextIOWrapper(sys.stdout.buffer, encoding='utf8')
else:
pyfile = open(self._opts.output, 'wt', encoding='utf8')
needs_close = True
else:
if self._opts.output == '-':
pyfile = sys.stdout
else:
pyfile = open(self._opts.output, 'wt')
needs_close = True
compileUi(self._ui_file, pyfile, self._opts.execute, self._opts.indent,
self._opts.pyqt3_wrapper, self._opts.from_imports,
self._opts.resource_suffix)
if needs_close:
pyfile.close()
def on_IOError(self, e):
""" Handle an IOError exception. """
sys.stderr.write("Error: %s: \"%s\"\n" % (e.strerror, e.filename))
def on_SyntaxError(self, e):
""" Handle a SyntaxError exception. """
sys.stderr.write("Error in input file: %s\n" % e)
def on_NoSuchWidgetError(self, e):
""" Handle a NoSuchWidgetError exception. """
if e.args[0].startswith("Q3"):
sys.stderr.write("Error: Q3Support widgets are not supported by PyQt4.\n")
else:
sys.stderr.write(str(e) + "\n")
def on_Exception(self, e):
""" Handle a generic exception. """
if logging.getLogger(self.LOGGER_NAME).level == logging.DEBUG:
import traceback
traceback.print_exception(*sys.exc_info())
else:
from PyQt4 import QtCore
sys.stderr.write("""An unexpected error occurred.
Check that you are using the latest version of PyQt and send an error report to
support@riverbankcomputing.com, including the following information:
* your version of PyQt (%s)
* the UI file that caused this error
* the debug output of pyuic4 (use the -d flag when calling pyuic4)
""" % QtCore.PYQT_VERSION_STR)
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