diff options
Diffstat (limited to 'Lib/linecache.py')
| -rw-r--r-- | Lib/linecache.py | 24 |
1 files changed, 4 insertions, 20 deletions
diff --git a/Lib/linecache.py b/Lib/linecache.py index 50a0c1b..7f249a0 100644 --- a/Lib/linecache.py +++ b/Lib/linecache.py @@ -7,7 +7,7 @@ that name. import sys import os -import re +import tokenize __all__ = ["getline", "clearcache", "checkcache"] @@ -121,27 +121,11 @@ def updatecache(filename, module_globals=None): pass else: # No luck -## print '*** Cannot stat', filename, ':', msg return [] -## print("Refreshing cache for %s..." % fullname) - try: - fp = open(fullname, 'rU') + with open(fullname, 'rb') as fp: + coding, line = tokenize.detect_encoding(fp.readline) + with open(fullname, 'r', encoding=coding) as fp: lines = fp.readlines() - fp.close() - except Exception as msg: -## print '*** Cannot open', fullname, ':', msg - return [] - coding = "utf-8" - for line in lines[:2]: - m = re.search(r"coding[:=]\s*([-\w.]+)", line) - if m: - coding = m.group(1) - break - try: - lines = [line if isinstance(line, str) else str(line, coding) - for line in lines] - except: - pass # Hope for the best size, mtime = stat.st_size, stat.st_mtime cache[filename] = size, mtime, lines, fullname return lines |