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# This file is part of the Frescobaldi project, http://www.frescobaldi.org/
#
# Copyright (c) 2008 - 2014 by Wilbert Berendsen
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# See http://www.gnu.org/licenses/ for more information.
"""
Provides version information of important supporting modules.
"""
import functools
import sys
import os
import appinfo
def _catch_unknown(f):
"""Decorate a function, returning "unknown" on import/attribute error."""
@functools.wraps(f)
def wrapper():
try:
return f()
except (ImportError, AttributeError):
return "unknown"
return wrapper
@_catch_unknown
def app_version():
import appinfo
return appinfo.version
@_catch_unknown
def sip_version():
import sip
return sip.SIP_VERSION_STR
@_catch_unknown
def pyqt_version():
import PyQt5.QtCore
return PyQt5.QtCore.PYQT_VERSION_STR
@_catch_unknown
def qt_version():
import PyQt5.QtCore
return PyQt5.QtCore.QT_VERSION_STR
@_catch_unknown
def python_version():
import platform
return platform.python_version()
@_catch_unknown
def operating_system():
import platform
return platform.platform()
@_catch_unknown
def ly_version():
import ly.pkginfo
return ly.pkginfo.version
@_catch_unknown
def poppler_version():
import popplerqt5
return '.'.join(format(n) for n in popplerqt5.poppler_version())
@_catch_unknown
def python_poppler_version():
import popplerqt5
return '.'.join(format(n) for n in popplerqt5.version())
if sys.platform.startswith('darwin'):
@_catch_unknown
def mac_installation_kind():
import macosx
if macosx.inside_app_bundle():
if os.path.islink(os.getcwd() + '/../MacOS/python'):
return 'lightweight app bundle'
else:
return 'standalone app bundle'
else:
return 'command line'
def version_info_named():
"""Yield all the relevant names and their version string."""
yield appinfo.appname, appinfo.version
yield "Python", python_version()
yield "python-ly", ly_version()
yield "Qt", qt_version()
yield "PyQt", pyqt_version()
yield "sip", sip_version()
yield "poppler", poppler_version()
yield "python-poppler-qt", python_poppler_version()
yield "OS", operating_system()
if sys.platform.startswith('darwin'):
yield "installation kind", mac_installation_kind()
def version_info_string(separator='\n'):
"""Return all version names as a string, joint with separator."""
return separator.join(map("{0[0]}: {0[1]}".format, version_info_named()))
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