Mercurial > cpython-lru_cache-weakref

diff Lib/StringIO.py @ 5898:253377a40644 legacy-trunk

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Patch by Lars Wirzenius to allow f.readline(length).
author Guido van Rossum <guido@python.org>
date Fri, 25 Jul 1997 14:56:01 +0000
parents 818ee115054a
children b9a070736eac
line wrap: on
line diff
--- a/Lib/StringIO.py	Fri Jul 25 13:14:35 1997 +0000
+++ b/Lib/StringIO.py	Fri Jul 25 14:56:01 1997 +0000
@@ -64,7 +64,7 @@
 		r = self.buf[self.pos:newpos]
 		self.pos = newpos
 		return r
-	def readline(self):
+	def readline(self, length=None):
 		if self.buflist:
 			self.buf = self.buf + string.joinfields(self.buflist, '')
 			self.buflist = []
@@ -73,6 +73,9 @@
 			newpos = self.len
 		else:
 			newpos = i+1
+		if length is not None:
+			if self.pos + length < newpos:
+				newpos = self.pos + length
 		r = self.buf[self.pos:newpos]
 		self.pos = newpos
 		return r