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Patch by Lars Wirzenius to allow f.readline(length).

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This commit is contained in:
Guido van Rossum 1997-07-25 14:56:01 +00:00
parent b065452ebc
commit 2e2525fd3c
1 changed files with 4 additions and 1 deletions
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5
Lib/StringIO.py
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@ -64,7 +64,7 @@ class StringIO:
r = self.buf[self.pos:newpos] r = self.buf[self.pos:newpos]
self.pos = newpos self.pos = newpos
return r return r
def readline(self): def readline(self, length=None):
if self.buflist: if self.buflist:
self.buf = self.buf + string.joinfields(self.buflist, '') self.buf = self.buf + string.joinfields(self.buflist, '')
self.buflist = [] self.buflist = []
@ -73,6 +73,9 @@ class StringIO:
newpos = self.len newpos = self.len
else: else:
newpos = i+1 newpos = i+1
if length is not None:
if self.pos + length < newpos:
newpos = self.pos + length
r = self.buf[self.pos:newpos] r = self.buf[self.pos:newpos]
self.pos = newpos self.pos = newpos
return r return r