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'''macros.py: Generate macro values from configuration values and provide
substitution functions.
The following macros are available:
LCODE CCODE PCCODE PKGNAME PKGCODE LANG COUNTRY PCOUNTRY RELEASE UPLOADER
DATE TIMESTAMP CLASS CLASSNAME CLASSNAMESPACE CLASSDEPENDS
BASERECOMMENDS
'''
import time, re, os.path, os
from decimal import Decimal
def _file_map(file, key, sep = None):
'''Look up key in given file ("key value" lines).
Throw KeyError if key was not found.
'''
val = None
with open(file) as f:
for l in f:
try:
(k, v) = l.split(sep)
except ValueError:
continue
# sort out comments
if k.find('#') >= 0 or v.find('#') >= 0:
continue
if k == key:
val = v.strip()
if val == None:
raise KeyError('Key %s not found in %s' % (key, file))
return val
class LangpackMacros:
def __init__(self, locale, cls, release, version, available_packages):
'''Initialize values of macros.
This uses information from maps/, config/, some hardcoded aggregate
strings (such as package names), and some external input:
- locale: Standard locale representation (e. g. pt_BR.UTF-8)
- cls: empty, or valid name in maps/classnames
- release: distrorelease name (in maps/releaseversions)
- version: export date of language pack tarball, will be used in
version numbers
- available_packages: Set of available package names in that release
'''
self.macros = {}
# chop .* and @* suffixes to get encoding-agnostic locale
try:
self['LOCALE'] = (locale.split('.')[0]).split('@')[0]
except KeyError:
self['LOCALE'] = locale
# class
self['CLASS'] = cls
if cls:
self['CLASSNAME'] = _file_map('maps/classnames', cls)
self['CLASSNAMESPACE'] = self['CLASSNAME'] + ' '
# language and country
try:
(self['LCODE'], self['CCODE']) = self['LOCALE'].split('_')
self['PCCODE'] = '(%s)' % self['CCODE']
try:
self['COUNTRY'] = _file_map('maps/countries', self['CCODE'], ':')
self['PCOUNTRY'] = '(%s)' % self['COUNTRY']
except KeyError:
self['COUNTRY'] = ''
self['PCOUNTRY'] = ''
except ValueError:
self['LCODE'] = self['LOCALE']
if not self['LCODE']:
raise Exception('Internal error: LCODE is empty')
# other variables
self['DATE'] = time.strftime('%a, %d %b %Y %H:%M:%S +0000')
self['RELEASE'] = release
self['RELEASEVERSION'] = _file_map('maps/releaseversions', release.split('-')[0])
self['TIMESTAMP'] = version
# package name
if Decimal(self['RELEASEVERSION']) >= Decimal('9.10'):
try:
self['PKGCODE'] = _file_map('maps/locale2pkgname', '%s-%s' % (self['LCODE'], self['CCODE'].lower()), ':')
self['LANG'] = _file_map('maps/variants', '%s' % self['PKGCODE'], ':')
if self['CLASS']:
self['PKGNAME'] = '%s-%s' % (self['CLASS'], self['PKGCODE'])
else:
self['PKGNAME'] = self['PKGCODE']
except KeyError:
self['PKGCODE'] = self['LCODE']
try:
self['LANG'] = _file_map('maps/variants', '%s' % self['PKGCODE'], ':')
except KeyError:
self['LANG'] = _file_map('maps/languages', self['LCODE'], ':')
if self['CLASS']:
self['PKGNAME'] = '%s-%s' % (self['CLASS'], self['LCODE'])
else:
self['PKGNAME'] = self['LCODE']
else:
self['PKGCODE'] = self['LCODE']
self['LANG'] = _file_map('maps/languages', self['LCODE'], ':')
if self['CLASS']:
self['PKGNAME'] = '%s-%s' % (self['CLASS'], self['LCODE'])
else:
self['PKGNAME'] = self['LCODE']
# %CLASS%-base packages should depend on -base
if cls != '':
self['CLASSDEPENDS'] = ', language-pack-%s-base' % self['PKGCODE']
else:
self['CLASSDEPENDS'] = ''
# configuration files
f = open('config/UPLOADER')
self['UPLOADER'] = f.read().strip()
f.close()
# conflicts / replaces for zh langpack-split
if self['PKGCODE'] == 'zh-hans' or self['PKGCODE'] == 'zh-hant':
if cls != '':
self['OBSOLETESZHBASE'] = ', language-pack-%s-zh-base (<< 1:9.10)' % self['CLASS']
self['OBSOLETESZH'] = ', language-pack-%s-zh (<< 1:9.10)' % self['CLASS']
self['CONFLICTSZH'] = '\nConflicts: language-pack-%s-zh (<< 1:9.10)' % self['CLASS']
else:
self['OBSOLETESZHBASE'] = ', language-pack-zh-base (<< 1:9.10)'
self['OBSOLETESZH'] = ', language-pack-zh (<< 1:9.10)'
self['CONFLICTSZH'] = '\nConflicts: language-pack-zh (<< 1:9.10)'
else:
self['OBSOLETESZHBASE'] = ''
self['OBSOLETESZH'] = ''
self['CONFLICTSZH'] = ''
# recommend firefox-locale-XX for upgrades from 10.04 LTS which shipped
# them in the langpack
self['BASERECOMMENDS'] = ''
r = release.split('-')[0]
firefox_locale = 'firefox-locale-' + self['PKGNAME']
if available_packages and firefox_locale in available_packages:
self['BASERECOMMENDS'] = firefox_locale
def __getitem__(self, item):
# return empty string as default
return self.macros.get(item, '')
def __setitem__(self, item, value):
self.macros[item] = value
def __contains__(self, item):
return self.macros.__contains__(item)
def subst_string(self, s):
'''Substitute all macros in given string.'''
re_macro = re.compile('%([A-Z]+)%')
while 1:
m = re_macro.search(s)
if m:
s = s[:m.start(1)-1] + self[m.group(1)] + s[m.end(1)+1:]
else:
break
return s
def subst_file(self, file):
'''Substitute all macros in given file.'''
f = open(file)
s = f.read()
f.close()
f = open(file, 'w')
f.write(self.subst_string(s))
f.close()
def subst_tree(self, root):
'''Substitute all macros in given directory tree.'''
for path, dirs, files in os.walk(root):
for f in files:
self.subst_file(os.path.join(root, path, f))
if __name__ == '__main__':
import tempfile, unittest
class _T(unittest.TestCase):
def test_lang(self):
'''language, no country, no class'''
l = LangpackMacros('de', '', 'karmic', '3.14', None)
self.assertEqual(l.subst_string('%LCODE% "%CCODE%" language-pack-%PKGNAME%'),
'de "" language-pack-de')
self.assertEqual(l.subst_string('-%PCCODE%-%PKGCODE%-%LANG%-%RELEASE%'),
'--de-German-karmic')
self.assertEqual(l.subst_string('-%COUNTRY%-%PCOUNTRY%-'), '---')
self.assertNotEqual(l.subst_string('%UPLOADER%'), '')
self.assertTrue(len(l.subst_string('%DATE%')) > 10)
self.assertEqual(l.subst_string('-%CLASS%-%CLASSNAME%-%CLASSNAMESPACE%-'), '----')
self.assertEqual(l.subst_string('%CLASSDEPENDS%'), '')
def test_lang_country(self):
'''language, country, no class'''
for locale in ('de_CH', 'de_CH.utf8'):
l = LangpackMacros(locale, '', 'karmic', '3.14', ['foo', 'firefox-locale-de'])
self.assertEqual(l.subst_string('%LCODE% "%CCODE%" language-pack-%PKGNAME%'),
'de "CH" language-pack-de')
self.assertEqual(l.subst_string('-%PCCODE%-%PKGCODE%-%LANG%-%RELEASE%'),
'-(CH)-de-German-karmic')
self.assertEqual(l.subst_string('-%COUNTRY%-%PCOUNTRY%-'), '-Switzerland-(Switzerland)-')
self.assertNotEqual(l.subst_string('%UPLOADER%'), '')
self.assertTrue(len(l.subst_string('%DATE%')) > 10)
self.assertEqual(l.subst_string('-%CLASS%-%CLASSNAME%-%CLASSNAMESPACE%-'), '----')
self.assertEqual(l.subst_string('%CLASSDEPENDS%'), '')
self.assertEqual(l.subst_string('%BASERECOMMENDS%'), 'firefox-locale-de')
def test_lang_country_class(self):
'''language, country, class'''
for locale in ('de_CH', 'de_CH.utf8'):
l = LangpackMacros(locale, 'gnome', 'lucid', '3.14', ['foo', 'firefox-locale-de'])
self.assertEqual(l.subst_string('%LCODE% "%CCODE%" language-pack-%PKGNAME%'),
'de "CH" language-pack-gnome-de')
self.assertEqual(l.subst_string('-%PCCODE%-%PKGCODE%-%LANG%-%RELEASE%'),
'-(CH)-de-German-lucid')
self.assertEqual(l.subst_string('-%COUNTRY%-%PCOUNTRY%-'), '-Switzerland-(Switzerland)-')
self.assertNotEqual(l.subst_string('%UPLOADER%'), '')
self.assertTrue(len(l.subst_string('%DATE%')) > 10)
self.assertEqual(l.subst_string('-%CLASS%-%CLASSNAME%-%CLASSNAMESPACE%-'),
'-gnome-GNOME-GNOME -')
self.assertEqual(l.subst_string('%CLASSDEPENDS%'), ', language-pack-de-base')
self.assertEqual(l.subst_string('%BASERECOMMENDS%'), '')
def test_zh_split(self):
'''Chinese split (PKGCODE)'''
l = LangpackMacros('zh_CN', 'kde', 'lucid', '3.14', None)
self.assertEqual(l.subst_string('%LCODE% "%CCODE%" language-pack-%PKGNAME%'),
'zh "CN" language-pack-kde-zh-hans')
self.assertEqual(l.subst_string('-%PCCODE%-%PKGCODE%-%LANG%-%RELEASE%'),
'-(CN)-zh-hans-Simplified Chinese-lucid')
self.assertEqual(l.subst_string('-%COUNTRY%-%PCOUNTRY%-'), '-China-(China)-')
self.assertNotEqual(l.subst_string('%UPLOADER%'), '')
self.assertTrue(len(l.subst_string('%DATE%')) > 10)
self.assertEqual(l.subst_string('-%CLASS%-%CLASSNAME%-%CLASSNAMESPACE%-'),
'-kde-KDE-KDE -')
self.assertEqual(l.subst_string('%CLASSDEPENDS%'), ', language-pack-zh-hans-base')
def test_subst_file(self):
'''subst_file()'''
l = LangpackMacros('de', '', 'karmic', '3.14', None)
(fd, fname) = tempfile.mkstemp()
try:
os.close(fd)
f = open(fname, 'w')
f.write('%LCODE% "%CCODE%" language-pack-%PKGNAME%')
f.close()
l.subst_file(fname)
with open(fname) as f:
self.assertEqual(f.read(), 'de "" language-pack-de')
finally:
os.unlink(fname)
def test_unknown_broken(self):
'''unknown macros and corner cases'''
l = LangpackMacros('de', '', 'karmic', '3.14', None)
self.assertEqual(l.subst_string('%LCODE%% %%LANG% %%LCODE%% %LCODE LCODE%'),
'de% %German %de% %LCODE LCODE%')
self.assertEqual(l.subst_string('%LCODE% %MOO% %LCODE%'),
'de de')
unittest.main()
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