openlp/scripts/check_dependencies.py
Samuel Mehrbrodt e6978033e9 PEP8
2015-12-17 22:43:49 +01:00

242 lines
6.9 KiB
Python
Executable File

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2015 OpenLP Developers #
# --------------------------------------------------------------------------- #
# 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
from distutils.version import LooseVersion
# If we try to import uno before nose this will create a warning. Just try to import nose first to suppress the warning.
try:
import nose
except ImportError:
nose = None
IS_WIN = sys.platform.startswith('win')
IS_LIN = sys.platform.startswith('lin')
VERS = {
'Python': '3.0',
'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',
'pyodbc',
'icu',
]
LINUX_MODULES = [
# Optical drive detection.
'dbus',
]
MODULES = [
'PyQt4',
'PyQt4.QtCore',
'PyQt4.QtGui',
'PyQt4.QtNetwork',
'PyQt4.QtOpenGL',
'PyQt4.QtSvg',
'PyQt4.QtTest',
'PyQt4.QtWebKit',
'PyQt4.phonon',
'sqlalchemy',
'alembic',
'sqlite3',
'lxml',
'chardet',
'enchant',
'bs4',
'mako',
'uno',
]
OPTIONAL_MODULES = [
('mysql.connector', '(MySQL support)', True),
('psycopg2', '(PostgreSQL support)', True),
('nose', '(testing framework)', True),
('mock', '(testing module)', sys.version_info[1] < 3),
('jenkins', '(access jenkins api - package name: jenkins-webapi)', True),
]
w = sys.stdout.write
def check_vers(version, required, text):
"""
Check the version of a dependency. Returns ``True`` if the version is greater than or equal, or False if less than.
``version``
The actual version of the dependency
``required``
The required version of the dependency
``text``
The dependency's name
"""
space = (27 - len(required) - len(text)) * ' '
if not isinstance(version, str):
version = '.'.join(map(str, version))
if not isinstance(required, str):
required = '.'.join(map(str, required))
w(' %s >= %s ... ' % (text, required) + space)
if LooseVersion(version) >= LooseVersion(required):
w(version + os.linesep)
return True
else:
w('FAIL' + os.linesep)
return False
def check_module(mod, text='', indent=' '):
"""
Check that a module is installed.
``mod``
The module to check for.
``text``
The text to display.
``indent``
How much to indent the text by.
"""
space = (31 - len(mod) - len(text)) * ' '
w(indent + '%s %s... ' % (mod, text) + space)
try:
__import__(mod)
w('OK')
except ImportError:
w('FAIL')
w(os.linesep)
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 print_enchant_backends_and_languages():
"""
Check if PyEnchant is installed.
"""
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 print_qt_image_formats():
"""
Print out the image formats that Qt4 supports.
"""
w('Qt4 image formats... ')
try:
from PyQt4 import QtGui
read_f = ', '.join([bytes(fmt).decode().lower() for fmt in QtGui.QImageReader.supportedImageFormats()])
write_f = ', '.join([bytes(fmt).decode().lower() for fmt 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():
"""
Run the dependency checker.
"""
print('Checking Python version...')
verify_python()
print('Checking for modules...')
for m in MODULES:
check_module(m)
print('Checking for optional modules...')
for m in OPTIONAL_MODULES:
if m[2]:
check_module(m[0], text=m[1])
if IS_WIN:
print('Checking for Windows specific modules...')
for m in WIN32_MODULES:
check_module(m)
elif IS_LIN:
print('Checking for Linux specific modules...')
for m in LINUX_MODULES:
check_module(m)
verify_versions()
print_qt_image_formats()
print_enchant_backends_and_languages()
if __name__ == '__main__':
main()