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#!/usr/bin/python3
# {{{ Imports
import sys
import os.path
from urllib.request import urlopen
import argparse
from xml.etree.cElementTree import fromstring as xmlParser
import traceback
# }}}
# {{{ Constants
_NAME="WeeChatScriptsHelper"
_DESC="Weechat Scripts Packaging Helper"
_VERSION="1.0"
REMOTE_LIST="https://weechat.org/files/plugins.xml"
MIN_VERSION="0.3.0"
REWRITE_LICENSES = {
'Apache2.0': 'Apache-2',
'Artistic2.0': 'Artistic-2',
'Beerware': 'Beerware',
'BSD-2c': 'BSD-2c',
'BSD-3c': 'BSD-3c',
'GPL2': 'GPL-2',
'GPL3': 'GPL-3',
'ISC': 'ISC',
'MIT': 'MIT',
'Public_domain': 'public-domain',
'WTFPL': 'WTFPL',
}
SUPPORTED_LICENSES = REWRITE_LICENSES.values()
# }}}
# {{{ Logger
class Logger(object):
_COLOR_INFO = '92'
_COLOR_WARN = '93'
_COLOR_DEBUG = '94'
_COLOR_ERROR = '91'
def __init__(self, verbose=False, debug=False):
self.is_verbose = verbose
self.is_debug = debug
self.errors = 0
self.out = sys.stdout
def _prefix(self, msgtype):
prefix = '[%s]' % (msgtype)
if self.out.isatty():
prefix = '[\033[0;%sm%s\033[0;m]' % (getattr(self, '_COLOR_' + msgtype.upper()), msgtype)
return prefix
def use_stderr(self):
self.out = sys.stderr
def info(self, msg):
if self.is_verbose:
self.out.write('%s %s\n' % (self._prefix('info'), msg))
def warn(self, msg):
if self.is_verbose:
self.out.write('%s %s\n' % (self._prefix('warn'), msg))
def debug(self, msg):
if self.is_debug:
self.out.write('%s %s\n' % (self._prefix('debug'), msg))
def error(self, msg):
self.errors += 1
self.out.write('%s %s\n' % (self._prefix('error'), msg))
# }}}
# {{{ WeechatScripts
class WeechatScripts(object):
def __init__(self, options, logger=None):
self._logger = logger if logger is not None else Logger()
self._options = options
def get_xmldom(self):
xmldom = None
try:
xmlstr = urlopen(REMOTE_LIST).read()
except:
xmlstr = None
self._logger.error("Unable to retrieve '%s'" % (REMOTE_LIST))
if xmlstr:
try:
xmldom = xmlParser(xmlstr)
except:
self._logger.error("Unable to parse XML")
xmldom = None
return xmldom
def get_license(self, license):
if license in REWRITE_LICENSES:
license = REWRITE_LICENSES[license]
return license
def dfsg_license(self, license):
return license in SUPPORTED_LICENSES
def get_datas(self):
scripts = {}
licenses = []
xmldom = self.get_xmldom()
if xmldom:
for el in xmldom.findall('plugin'):
max_vers = el.find('max_weechat').text
if max_vers is not None and max_vers < MIN_VERSION:
continue
lang = el.find('language').text
filename = el.find('url').text.split('/')[-1]
author = "%s <%s>" % (el.find('author').text, el.find('mail').text)
tags = el.find('tags').text.split(',')
if lang == 'python' and 'py3' not in tags:
self._logger.warn("Python script '%s' is not compatible with Python3"
% (os.path.basename(filename)))
continue
date = ''
date_add = int(el.find('added').text.split('-')[0])
if el.find('updated').text == None:
date = "%d" % (date_add)
else:
date_upd = int(el.find('updated').text.split('-')[0])
if date_upd > date_add:
date = "%d-%d" % (date_add, date_upd)
else:
date = "%d" % (date_add)
license = self.get_license(el.find('license').text)
dfsg_license = self.dfsg_license(license)
if not dfsg_license:
self._logger.warn("Script '%s' has a not DFSG compliant lisense: %s"
% (os.path.basename(filename), license))
continue
if not license in licenses:
licenses.append(license)
if not lang in scripts:
scripts[lang] = []
scripts[lang].append({
'language': el.find('language').text,
'url': el.find('url').text,
'file': filename,
'version': el.find('version').text,
'license': license,
'author': author,
'date': date,
})
return scripts, licenses
def short_license(self, license):
content = ''
f = "%s/licenses/%s" % (os.path.dirname(__file__), license)
if os.path.isfile(f):
content = open(f).read()
else:
self._logger.error("Unable to find short license '%s' in %s" %
(license, f))
return content
def copyright_header(self):
content = ''
f = "%s/copyright.in" % (os.path.dirname(__file__))
if os.path.isfile(f):
content = open(f).read()
return content
def copyright(self):
self._logger.use_stderr()
scripts, licenses = self.get_datas()
sys.stdout.write("%s\n" % self.copyright_header())
if scripts != {}:
for l in sorted(scripts.keys()):
for script in scripts[l]:
sys.stdout.write("Files: %s/%s\n" % (l.lower(), script['file']))
sys.stdout.write("Copyright: %s, %s\n" % (script['date'], script['author']))
sys.stdout.write("License: %s\n\n" % (script['license']))
if licenses != []:
for license in sorted(licenses):
sys.stdout.write("License: %s\n" % (license))
sys.stdout.write("%s\n" % (self.short_license(license)))
def wget(self, url, path):
ret = False
content = None
try:
content = urlopen(url).read()
except Exception as e:
self._logger.error("Unable to retrieve '%s': %s" % (url, e))
content = None
if content:
try:
f = open(path, 'w')
f.write(content.decode('utf-8'))
f.close()
ret = True
except Exception as e:
self._logger.error("Unable to write file '%s': %s" % (path, e))
return ret
def download(self):
scriptlist, _ = self.get_datas()
if scriptlist != {}:
for l in scriptlist:
for script in scriptlist[l]:
path = "%s/%s" % (script['language'], script['file'])
if not os.path.exists(script['language']):
os.mkdir(script['language'])
if self.wget(script['url'], path):
self._logger.info("Success while saving '%s' %s (%s)"
% (path, script['version'], script['license']))
else:
self._logger.error("Failure while saving '%s'" % (path))
# }}}
# {{{ main
def main():
parser = argparse.ArgumentParser(prog=_NAME, description=_DESC)
parser.add_argument('--version', action='version', version='%(prog)s ' + _VERSION )
parser.add_argument(
'-v', '--verbose', dest='verbose',
default=False, action='store_true',
help='Be verbose during process (default: no)')
parser.add_argument(
'-d', '--debug', dest='debug',
default=False, action='store_true',
help='Print additional debug informations: traceback, etc. (default: no)')
parser.add_argument(
'-a', '--action', dest='action',
choices=('download', 'copyright'), default=None,
help='Action to realize')
options = parser.parse_args()
logger = Logger(verbose=options.verbose or options.debug, debug=options.debug)
try:
ws = WeechatScripts(options=options, logger=logger)
getattr(ws, options.action)()
except Exception as e:
if not options.debug:
logger.error('Exception raised (use --debug option to get more info): %s' % (str(e)))
else:
logger.error('Exception raised: %s' % (e))
traceback.print_exc(file=sys.stderr)
sys.exit(-1)
else:
if logger.errors > 0:
sys.exit(-3)
# }}}
# {{{ __main__
if __name__ == "__main__":
main()
# }}}
# vim: foldmethod=marker foldlevel=0 foldenable
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