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Patch #822994: Consolidate tests for self.closed.

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This commit is contained in:
Martin v. Löwis 2003-10-18 10:20:42 +00:00
parent 6828e18a6a
commit 9e62ff287b
1 changed files with 14 additions and 18 deletions
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32
Lib/StringIO.py
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@ -35,6 +35,10 @@ except ImportError:
__all__ = ["StringIO"]
def _complain_ifclosed(closed):
if closed:
raise ValueError, "I/O operation on closed file"
class StringIO:
"""class StringIO([buffer])
@ -55,7 +59,7 @@ class StringIO:
self.len = len(buf)
self.buflist = []
self.pos = 0
self.closed = 0
self.closed = False
self.softspace = 0
def __iter__(self):
@ -73,17 +77,15 @@ class StringIO:
"""Free the memory buffer.
"""
if not self.closed:
self.closed = 1
self.closed = True
del self.buf, self.pos
def isatty(self):
if self.closed:
raise ValueError, "I/O operation on closed file"
_complain_ifclosed(self.closed)
return False
def seek(self, pos, mode = 0):
if self.closed:
raise ValueError, "I/O operation on closed file"
_complain_ifclosed(self.closed)
if self.buflist:
self.buf += ''.join(self.buflist)
self.buflist = []
@ -94,13 +96,11 @@ class StringIO:
self.pos = max(0, pos)
def tell(self):
if self.closed:
raise ValueError, "I/O operation on closed file"
_complain_ifclosed(self.closed)
return self.pos
def read(self, n = -1):
if self.closed:
raise ValueError, "I/O operation on closed file"
_complain_ifclosed(self.closed)
if self.buflist:
self.buf += ''.join(self.buflist)
self.buflist = []
@ -113,8 +113,7 @@ class StringIO:
return r
def readline(self, length=None):
if self.closed:
raise ValueError, "I/O operation on closed file"
_complain_ifclosed(self.closed)
if self.buflist:
self.buf += ''.join(self.buflist)
self.buflist = []
@ -143,8 +142,7 @@ class StringIO:
return lines
def truncate(self, size=None):
if self.closed:
raise ValueError, "I/O operation on closed file"
_complain_ifclosed(self.closed)
if size is None:
size = self.pos
elif size < 0:
@ -154,8 +152,7 @@ class StringIO:
self.buf = self.getvalue()[:size]
def write(self, s):
if self.closed:
raise ValueError, "I/O operation on closed file"
_complain_ifclosed(self.closed)
if not s: return
# Force s to be a string or unicode
if not isinstance(s, basestring):
@ -185,8 +182,7 @@ class StringIO:
self.write(''.join(list))
def flush(self):
if self.closed:
raise ValueError, "I/O operation on closed file"
_complain_ifclosed(self.closed)
def getvalue(self):
"""