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venv/lib/python3.12/site-packages/PyQt5/uic/driver.py

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+#############################################################################
+##
+## Copyright (c) 2024 Riverbank Computing Limited <info@riverbankcomputing.com>
+## 
+## This file is part of PyQt5.
+## 
+## 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 . 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 = 'PyQt5.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 PyQt5 import QtWidgets
+
+        app = QtWidgets.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
+
+        import_from = self._opts.import_from
+
+        if import_from:
+            from_imports = True
+        elif self._opts.from_imports:
+            from_imports = True
+            import_from = '.'
+        else:
+            from_imports = False
+
+        compileUi(self._ui_file, pyfile, self._opts.execute, self._opts.indent,
+                from_imports, self._opts.resource_suffix, import_from)
+
+        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_NoSuchClassError(self, e):
+        """ Handle a NoSuchClassError exception. """
+
+        sys.stderr.write(str(e) + "\n")
+
+    def on_NoSuchWidgetError(self, e):
+        """ Handle a NoSuchWidgetError exception. """
+
+        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 PyQt5 import QtCore
+
+            sys.stderr.write("""An unexpected error occurred.
+Check that you are using the latest version of PyQt5 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 pyuic5 (use the -d flag when calling pyuic5)
+""" % QtCore.PYQT_VERSION_STR)