diff options
Diffstat (limited to 'Python/Dependencies/future-0.18.2/src/libfuturize/fixes/fix_unicode_keep_u.py')
| -rw-r--r-- | Python/Dependencies/future-0.18.2/src/libfuturize/fixes/fix_unicode_keep_u.py | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Python/Dependencies/future-0.18.2/src/libfuturize/fixes/fix_unicode_keep_u.py b/Python/Dependencies/future-0.18.2/src/libfuturize/fixes/fix_unicode_keep_u.py new file mode 100644 index 0000000..2e9a4e4 --- /dev/null +++ b/Python/Dependencies/future-0.18.2/src/libfuturize/fixes/fix_unicode_keep_u.py @@ -0,0 +1,24 @@ +"""Fixer that changes unicode to str and unichr to chr, but -- unlike the +lib2to3 fix_unicode.py fixer, does not change u"..." into "...". + +The reason is that Py3.3+ supports the u"..." string prefix, and, if +present, the prefix may provide useful information for disambiguating +between byte strings and unicode strings, which is often the hardest part +of the porting task. + +""" + +from lib2to3.pgen2 import token +from lib2to3 import fixer_base + +_mapping = {u"unichr" : u"chr", u"unicode" : u"str"} + +class FixUnicodeKeepU(fixer_base.BaseFix): + BM_compatible = True + PATTERN = "'unicode' | 'unichr'" + + def transform(self, node, results): + if node.type == token.NAME: + new = node.clone() + new.value = _mapping[node.value] + return new |
