Drop python2 support
This mostly consists in removing the dependency on "six" and updating
the code to use only Python3 idioms.
Notice that we previously used TemporaryDirectory from
cubicweb.devtools.testlib for compatibility with Python2. We now
directly import it from tempfile.
#!/usr/bin/python
"""usage: fix-po-encodings [filename...]
change the encoding of the po files passed as arguments to utf-8
"""
import sys
import re
import codecs
def change_encoding(filename, target='UTF-8'):
fdesc = open(filename)
data = fdesc.read()
fdesc.close()
encoding = find_encoding(data)
if encoding == target:
return
data = fix_encoding(data, target)
data = unicode(data, encoding)
fdesc = codecs.open(filename, 'wb', encoding=target)
fdesc.write(data)
fdesc.close()
def find_encoding(data):
regexp = re.compile(r'"Content-Type:.* charset=([a-zA-Z0-9-]+)\\n"', re.M)
mo = regexp.search(data)
if mo is None:
raise ValueError('No encoding declaration')
return mo.group(1)
def fix_encoding(data, target_encoding):
regexp = re.compile(r'("Content-Type:.* charset=)(.*)(\\n")', re.M)
return regexp.sub(r'\1%s\3' % target_encoding, data)
for filename in sys.argv[1:]:
print filename
change_encoding(filename)