mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-31 05:58:33 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

Make the regex pattern easier to read, understand, and modify

Browse source 
by factoring out the common prefix (the delimiter).
This commit is contained in:
Raymond Hettinger 2004-09-26 18:56:44 +00:00
parent 4d9559a47e
commit 55593c3ef5
1 changed files with 6 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

10
Lib/string.py
View file

@ -101,10 +101,12 @@ class _multimap:
class _TemplateMetaclass(type):
pattern = r"""
(?P<escaped>%(delim)s{2}) | # Escape sequence of two delimiters
%(delim)s(?P<named>%(id)s) | # delimiter and a Python identifier
%(delim)s{(?P<braced>%(id)s)} | # delimiter and a braced identifier
(?P<invalid>%(delim)s) # Other ill-formed delimiter exprs
%(delim)s(?:
(?P<escaped>%(delim)s) | # Escape sequence of two delimiters
(?P<named>%(id)s) | # delimiter and a Python identifier
{(?P<braced>%(id)s)} | # delimiter and a braced identifier
(?P<invalid>) # Other ill-formed delimiter exprs
)
"""
def __init__(cls, name, bases, dct):