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mmap.mmap works differently under windows

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This commit is contained in:
Pavol Rusnak 2009-05-20 16:42:17 +00:00
parent 8f38f169d5
commit 0fa507a782
3 changed files with 13 additions and 4 deletions
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6
osc/core.py
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@ -1536,8 +1536,10 @@ def http_request(method, url, headers={}, data=None, file=None, timeout=100):
import mmap import mmap
filefd = open(file, 'r') filefd = open(file, 'r')
try: try:
data = mmap.mmap(filefd.fileno(), os.path.getsize(file), if sys.platform[:3] != 'win':
mmap.MAP_SHARED, mmap.PROT_READ) data = mmap.mmap(filefd.fileno(), os.path.getsize(file), mmap.MAP_SHARED, mmap.PROT_READ)
else:
data = mmap.mmap(filefd.fileno(), os.path.getsize(file))
data = buffer(data) data = buffer(data)
except EnvironmentError, e: except EnvironmentError, e:
if e.errno == 19: if e.errno == 19:

5
osc/util/ar.py
View File

@ -147,7 +147,10 @@ class Ar:
import mmap import mmap
self.__file = open(self.filename, 'rb') self.__file = open(self.filename, 'rb')
try: try:
self.__file = mmap.mmap(self.__file.fileno(), 0, prot=mmap.PROT_READ) if sys.platform[:3] != 'win':
self.__file = mmap.mmap(self.__file.fileno(), 0, prot=mmap.PROT_READ)
else:
self.__file = mmap.mmap(self.__file.fileno(), 0)
except EnvironmentError, e: except EnvironmentError, e:
if e.errno == 19: if e.errno == 19:
print >>sys.stderr, 'cannot use mmap to read the file, falling back to the default io' print >>sys.stderr, 'cannot use mmap to read the file, falling back to the default io'

6
osc/util/cpio.py
View File

@ -17,6 +17,7 @@ import mmap
import os import os
import stat import stat
import struct import struct
import sys
# format implementation is based on src/copyin.c and src/util.c (see cpio sources) # format implementation is based on src/copyin.c and src/util.c (see cpio sources)
@ -139,7 +140,10 @@ class Cpio:
if not self.__file: if not self.__file:
self.__file = open(self.filename, 'rb') self.__file = open(self.filename, 'rb')
try: try:
self.__file = mmap.mmap(self.__file.fileno(), 0, prot = mmap.PROT_READ) if sys.platform[:3] != 'win':
self.__file = mmap.mmap(self.__file.fileno(), 0, prot = mmap.PROT_READ)
else:
self.__file = mmap.mmap(self.__file.fileno(), 0)
except EnvironmentError, e: except EnvironmentError, e:
if e.errno == 19: if e.errno == 19:
print >>sys.stderr, 'cannot use mmap to read the file, failing back to default' print >>sys.stderr, 'cannot use mmap to read the file, failing back to default'