Mercurial > public > mercurial-scm > hg-stable

comparison mercurial/revlog.py @ 5453:9d77f2b47eb7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fix UnboundLocalError, refactor a bit bin wasn't defined in all branches (bug introduced in 82b4ff3abbcd
author Benoit Boissinot <benoit.boissinot@ens-lyon.org>
date Thu, 11 Oct 2007 12:16:55 +0200
parents 0a43875677b1
children 686899a7de5b
comparison
equal deleted inserted replaced
5452:82b4ff3abbcd 5453:9d77f2b47eb7
60 def compress(text): 60 def compress(text):
61 """ generate a possibly-compressed representation of text """ 61 """ generate a possibly-compressed representation of text """
62 if not text: 62 if not text:
63 return ("", text) 63 return ("", text)
64 l = len(text) 64 l = len(text)
65 bin = None
65 if l < 44: 66 if l < 44:
66 if text[0] == '\0': 67 pass
67 return ("", text)
68 return ('u', text)
69 elif l > 1000000: 68 elif l > 1000000:
70 # zlib makes an internal copy, thus doubling memory usage for 69 # zlib makes an internal copy, thus doubling memory usage for
71 # large files, so lets do this in pieces 70 # large files, so lets do this in pieces
72 z = zlib.compressobj() 71 z = zlib.compressobj()
73 p = [] 72 p = []
79 p.append(z.flush()) 78 p.append(z.flush())
80 if sum(map(len, p)) < l: 79 if sum(map(len, p)) < l:
81 bin = "".join(p) 80 bin = "".join(p)
82 else: 81 else:
83 bin = _compress(text) 82 bin = _compress(text)
84 if len(bin) > l: 83 if bin is None or len(bin) > l:
85 if text[0] == '\0': 84 if text[0] == '\0':
86 return ("", text) 85 return ("", text)
87 return ('u', text) 86 return ('u', text)
88 return ("", bin) 87 return ("", bin)
89 88