/usr/lib/python3/dist-packages/PyQt4/uic/icon_cache.py is in python3-pyqt4 4.11.2+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | #############################################################################
##
## Copyright (c) 2014 Riverbank Computing Limited <info@riverbankcomputing.com>
##
## This file is part of PyQt.
##
## This file may be used under the terms of the GNU General Public
## License versions 2.0 or 3.0 as published by the Free Software
## Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
## included in the packaging of this file. Alternatively you may (at
## your option) use any later version of the GNU General Public
## License if such license has been publicly approved by Riverbank
## Computing Limited (or its successors, if any) and the KDE Free Qt
## Foundation. In addition, as a special exception, Riverbank gives you
## certain additional rights. These rights are described in the Riverbank
## GPL Exception version 1.1, which can be found in the file
## GPL_EXCEPTION.txt in this package.
##
## If you are unsure which license is appropriate for your use, please
## contact the sales department at sales@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 os.path
if sys.hexversion >= 0x03000000:
from PyQt4.uic.port_v3.as_string import as_string
else:
from PyQt4.uic.port_v2.as_string import as_string
class IconCache(object):
"""Maintain a cache of icons. If an icon is used more than once by a GUI
then ensure that only one copy is created.
"""
def __init__(self, object_factory, qtgui_module):
"""Initialise the cache."""
self._object_factory = object_factory
self._qtgui_module = qtgui_module
self._base_dir = ''
self._cache = []
def set_base_dir(self, base_dir):
""" Set the base directory to be used for all relative filenames. """
self._base_dir = base_dir
def get_icon(self, iconset):
"""Return an icon described by the given iconset tag."""
# Handle a themed icon.
theme = iconset.attrib.get('theme')
if theme is not None:
return self._object_factory.createQObject("QIcon.fromTheme",
'icon', (as_string(theme), ), is_attribute=False)
# Handle an empty iconset property.
if iconset.text is None:
return None
iset = _IconSet(iconset, self._base_dir)
try:
idx = self._cache.index(iset)
except ValueError:
idx = -1
if idx >= 0:
# Return the icon from the cache.
iset = self._cache[idx]
else:
# Follow uic's naming convention.
name = 'icon'
idx = len(self._cache)
if idx > 0:
name += str(idx)
icon = self._object_factory.createQObject("QIcon", name, (),
is_attribute=False)
iset.set_icon(icon, self._qtgui_module)
self._cache.append(iset)
return iset.icon
class _IconSet(object):
"""An icon set, ie. the mode and state and the pixmap used for each."""
def __init__(self, iconset, base_dir):
"""Initialise the icon set from an XML tag."""
# Set the pre-Qt v4.4 fallback (ie. with no roles).
self._fallback = self._file_name(iconset.text, base_dir)
self._use_fallback = True
# Parse the icon set.
self._roles = {}
for i in iconset:
file_name = i.text
if file_name is not None:
file_name = self._file_name(file_name, base_dir)
self._roles[i.tag] = file_name
self._use_fallback = False
# There is no real icon yet.
self.icon = None
@staticmethod
def _file_name(fname, base_dir):
""" Convert a relative filename if we have a base directory. """
fname = fname.replace("\\", "\\\\")
if base_dir != '' and fname[0] != ':' and not os.path.isabs(fname):
fname = os.path.join(base_dir, fname)
return fname
def set_icon(self, icon, qtgui_module):
"""Save the icon and set its attributes."""
if self._use_fallback:
icon.addFile(self._fallback)
else:
for role, pixmap in self._roles.items():
if role.endswith("off"):
mode = role[:-3]
state = qtgui_module.QIcon.Off
elif role.endswith("on"):
mode = role[:-2]
state = qtgui_module.QIcon.On
else:
continue
mode = getattr(qtgui_module.QIcon, mode.title())
if pixmap:
icon.addPixmap(qtgui_module.QPixmap(pixmap), mode, state)
else:
icon.addPixmap(qtgui_module.QPixmap(), mode, state)
self.icon = icon
def __eq__(self, other):
"""Compare two icon sets for equality."""
if not isinstance(other, type(self)):
return NotImplemented
if self._use_fallback:
if other._use_fallback:
return self._fallback == other._fallback
return False
if other._use_fallback:
return False
return self._roles == other._roles
|