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__init__.py
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__init__.py
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#############################################################################
##
## Copyright (C) 2015 Riverbank Computing Limited.
## Copyright (C) 2006 Thorsten Marek.
## All right reserved.
##
## This file is part of PyQt.
##
## You may use this file under the terms of the GPL v2 or the revised BSD
## license as follows:
##
## "Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions are
## met:
## * Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## * Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in
## the documentation and/or other materials provided with the
## distribution.
## * Neither the name of the Riverbank Computing Limited nor the names
## of its contributors may be used to endorse or promote products
## derived from this software without specific prior written
## permission.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
##
#############################################################################
__all__ = ("compileUi", "compileUiDir", "loadUiType", "loadUi", "widgetPluginPath")
from .Compiler import indenter, compiler
_header = """# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file '%s'
#
# Created by: PyQt5 UI code generator %s
#
# WARNING! All changes made in this file will be lost!
"""
_display_code = """
if __name__ == "__main__":
\timport sys
\tapp = QtWidgets.QApplication(sys.argv)
\t%(widgetname)s = QtWidgets.%(baseclass)s()
\tui = %(uiclass)s()
\tui.setupUi(%(widgetname)s)
\t%(widgetname)s.show()
\tsys.exit(app.exec_())
"""
def compileUiDir(dir, recurse=False, map=None, **compileUi_args):
"""compileUiDir(dir, recurse=False, map=None, **compileUi_args)
Creates Python modules from Qt Designer .ui files in a directory or
directory tree.
dir is the name of the directory to scan for files whose name ends with
'.ui'. By default the generated Python module is created in the same
directory ending with '.py'.
recurse is set if any sub-directories should be scanned. The default is
False.
map is an optional callable that is passed the name of the directory
containing the '.ui' file and the name of the Python module that will be
created. The callable should return a tuple of the name of the directory
in which the Python module will be created and the (possibly modified)
name of the module. The default is None.
compileUi_args are any additional keyword arguments that are passed to
the compileUi() function that is called to create each Python module.
"""
import os
# Compile a single .ui file.
def compile_ui(ui_dir, ui_file):
# Ignore if it doesn't seem to be a .ui file.
if ui_file.endswith('.ui'):
py_dir = ui_dir
py_file = ui_file[:-3] + '.py'
# Allow the caller to change the name of the .py file or generate
# it in a different directory.
if map is not None:
py_dir, py_file = map(py_dir, py_file)
# Make sure the destination directory exists.
try:
os.makedirs(py_dir)
except:
pass
ui_path = os.path.join(ui_dir, ui_file)
py_path = os.path.join(py_dir, py_file)
ui_file = open(ui_path, 'r')
py_file = open(py_path, 'w')
try:
compileUi(ui_file, py_file, **compileUi_args)
finally:
ui_file.close()
py_file.close()
if recurse:
for root, _, files in os.walk(dir):
for ui in files:
compile_ui(root, ui)
else:
for ui in os.listdir(dir):
if os.path.isfile(os.path.join(dir, ui)):
compile_ui(dir, ui)
def compileUi(uifile, pyfile, execute=False, indent=4, from_imports=False, resource_suffix='_rc', import_from='.'):
"""compileUi(uifile, pyfile, execute=False, indent=4, from_imports=False, resource_suffix='_rc', import_from='.')
Creates a Python module from a Qt Designer .ui file.
uifile is a file name or file-like object containing the .ui file.
pyfile is the file-like object to which the Python code will be written to.
execute is optionally set to generate extra Python code that allows the
code to be run as a standalone application. The default is False.
indent is the optional indentation width using spaces. If it is 0 then a
tab is used. The default is 4.
from_imports is optionally set to generate relative import statements. At
the moment this only applies to the import of resource modules.
resource_suffix is the suffix appended to the basename of any resource file
specified in the .ui file to create the name of the Python module generated
from the resource file by pyrcc4. The default is '_rc', i.e. if the .ui
file specified a resource file called foo.qrc then the corresponding Python
module is foo_rc.
import_from is optionally set to the package used for relative import
statements. The default is ``'.'``.
"""
from PyQt5.QtCore import PYQT_VERSION_STR
try:
uifname = uifile.name
except AttributeError:
uifname = uifile
indenter.indentwidth = indent
pyfile.write(_header % (uifname, PYQT_VERSION_STR))
winfo = compiler.UICompiler().compileUi(uifile, pyfile, from_imports, resource_suffix, import_from)
if execute:
indenter.write_code(_display_code % winfo)
def loadUiType(uifile, from_imports=False, resource_suffix='_rc', import_from='.'):
"""loadUiType(uifile, from_imports=False, resource_suffix='_rc', import_from='.') -> (form class, base class)
Load a Qt Designer .ui file and return the generated form class and the Qt
base class.
uifile is a file name or file-like object containing the .ui file.
from_imports is optionally set to generate relative import statements. At
the moment this only applies to the import of resource modules.
resource_suffix is the suffix appended to the basename of any resource file
specified in the .ui file to create the name of the Python module generated
from the resource file by pyrcc4. The default is '_rc', i.e. if the .ui
file specified a resource file called foo.qrc then the corresponding Python
module is foo_rc.
import_from is optionally set to the package used for relative import
statements. The default is ``'.'``.
"""
import sys
from PyQt5 import QtWidgets
if sys.hexversion >= 0x03000000:
from .port_v3.string_io import StringIO
else:
from .port_v2.string_io import StringIO
code_string = StringIO()
winfo = compiler.UICompiler().compileUi(uifile, code_string, from_imports, resource_suffix, import_from)
ui_globals = {}
exec(code_string.getvalue(), ui_globals)
return (ui_globals[winfo["uiclass"]], getattr(QtWidgets, winfo["baseclass"]))
def loadUi(uifile, baseinstance=None, package='', resource_suffix='_rc'):
"""loadUi(uifile, baseinstance=None, package='') -> widget
Load a Qt Designer .ui file and return an instance of the user interface.
uifile is a file name or file-like object containing the .ui file.
baseinstance is an optional instance of the Qt base class. If specified
then the user interface is created in it. Otherwise a new instance of the
base class is automatically created.
package is the optional package which is used as the base for any relative
imports of custom widgets.
resource_suffix is the suffix appended to the basename of any resource file
specified in the .ui file to create the name of the Python module generated
from the resource file by pyrcc4. The default is '_rc', i.e. if the .ui
file specified a resource file called foo.qrc then the corresponding Python
module is foo_rc.
"""
from .Loader.loader import DynamicUILoader
return DynamicUILoader(package).loadUi(uifile, baseinstance, resource_suffix)
# The list of directories that are searched for widget plugins.
from .objcreator import widgetPluginPath