openlp/scripts/check_dependencies.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2012 Raoul Snyman #
# Portions copyright (c) 2008-2012 Tim Bentley, Gerald Britton, Jonathan #
# Corwin, Samuel Findlay, Michael Gorven, Scott Guerrieri, Matthias Hub, #
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# Meinert Jordan, Armin Köhler, Eric Ludin, Edwin Lunando, Brian T. Meyer, #
# Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias Põldaru, #
# Christian Richter, Philip Ridout, Simon Scudder, Jeffrey Smith, #
# Maikel Stuivenberg, Martin Thompson, Jon Tibble, Dave Warnock, #
2012-10-21 14:07:57 +00:00
# Erode Woldsund, Martin Zibricky #
# --------------------------------------------------------------------------- #
# 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; version 2 of the License. #
# #
# 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., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
"""
This script is used to check dependencies of OpenLP. It checks availability
of required python modules and their version. To verify availability of Python
modules, simply run this script::
@:~$ ./check_dependencies.py
"""
import os
import sys
is_win = sys.platform.startswith('win')
VERS = {
'Python': '2.6',
'PyQt4': '4.6',
'Qt4': '4.6',
'sqlalchemy': '0.5',
# pyenchant 1.6 required on Windows
'enchant': '1.6' if is_win else '1.3'
}
# pywin32
WIN32_MODULES = [
'win32com',
'win32ui',
'pywintypes',
]
MODULES = [
'PyQt4',
'PyQt4.QtCore',
'PyQt4.QtGui',
'PyQt4.QtNetwork',
'PyQt4.QtOpenGL',
'PyQt4.QtSvg',
'PyQt4.QtTest',
'PyQt4.QtWebKit',
'PyQt4.phonon',
'sqlalchemy',
'sqlite3',
'lxml',
'chardet',
'enchant',
'BeautifulSoup',
'mako',
'migrate',
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'uno',
]
OPTIONAL_MODULES = [
('sqlite', ' (SQLite 2 support)'),
('MySQLdb', ' (MySQL support)'),
('psycopg2', ' (PostgreSQL support)'),
('pytest', ' (testing framework)'),
]
w = sys.stdout.write
def check_vers(version, required, text):
if type(version) is str:
version = version.split('.')
version = map(int, version)
if type(required) is str:
required = required.split('.')
required = map(int, required)
w(' %s >= %s ... ' % (text, '.'.join(map(str, required))))
if version >= required:
w('.'.join(map(str, version)) + os.linesep)
return True
else:
w('FAIL' + os.linesep)
return False
def print_vers_fail(required, text):
print(' %s >= %s ... FAIL' % (text, required))
def verify_python():
if not check_vers(list(sys.version_info), VERS['Python'], text='Python'):
exit(1)
def verify_versions():
print('Verifying version of modules...')
try:
from PyQt4 import QtCore
check_vers(QtCore.PYQT_VERSION_STR, VERS['PyQt4'], 'PyQt4')
check_vers(QtCore.qVersion(), VERS['Qt4'], 'Qt4')
except ImportError:
print_vers_fail(VERS['PyQt4'], 'PyQt4')
print_vers_fail(VERS['Qt4'], 'Qt4')
try:
import sqlalchemy
check_vers(sqlalchemy.__version__, VERS['sqlalchemy'], 'sqlalchemy')
except ImportError:
print_vers_fail(VERS['sqlalchemy'], 'sqlalchemy')
try:
import enchant
check_vers(enchant.__version__, VERS['enchant'], 'enchant')
except ImportError:
print_vers_fail(VERS['enchant'], 'enchant')
def check_module(mod, text='', indent=' '):
space = (30 - len(mod) - len(text)) * ' '
w(indent + '%s%s... ' % (mod, text) + space)
try:
__import__(mod)
w('OK')
except ImportError:
w('FAIL')
w(os.linesep)
def verify_pyenchant():
w('Enchant (spell checker)... ')
try:
import enchant
w(os.linesep)
backends = ', '.join([x.name for x in enchant.Broker().describe()])
print(' available backends: %s' % backends)
langs = ', '.join(enchant.list_languages())
print(' available languages: %s' % langs)
except ImportError:
w('FAIL' + os.linesep)
def verify_pyqt():
w('Qt4 image formats... ')
try:
from PyQt4 import QtGui
read_f = ', '.join([unicode(format).lower()
for format in QtGui.QImageReader.supportedImageFormats()])
write_f = ', '.join([unicode(format).lower()
for format in QtGui.QImageWriter.supportedImageFormats()])
w(os.linesep)
print(' read: %s' % read_f)
print(' write: %s' % write_f)
except ImportError:
w('FAIL' + os.linesep)
def main():
verify_python()
print('Checking for modules...')
for m in MODULES:
check_module(m)
print('Checking for optional modules...')
for m in OPTIONAL_MODULES:
check_module(m[0], text=m[1])
if is_win:
print('Checking for Windows specific modules...')
for m in WIN32_MODULES:
check_module(m)
verify_versions()
verify_pyqt()
verify_pyenchant()
if __name__ == u'__main__':
main()