updated again
This commit is contained in:
Guido van Rossum
parent
c8b4791d9e
commit
3bb710d647
|
|
@ -174,12 +174,25 @@ class _posixfile_:
|
|||
elif len(args) > 3:
|
||||
raise TypeError, 'too many arguments'
|
||||
|
||||
flock = struct.pack('hhllhh', l_type, l_whence, l_start, l_len, 0, 0)
|
||||
# Hack by davem@magnet.com to get locking to go on freebsd
|
||||
import sys, os
|
||||
if sys.platform == 'freebsd2':
|
||||
flock = struct.pack('lxxxxlxxxxlhh', \
|
||||
l_start, l_len, os.getpid(), l_type, l_whence)
|
||||
else:
|
||||
flock = struct.pack('hhllhh', \
|
||||
l_type, l_whence, l_start, l_len, 0, 0)
|
||||
|
||||
flock = fcntl.fcntl(self._file_.fileno(), cmd, flock)
|
||||
|
||||
if '?' in how:
|
||||
l_type, l_whence, l_start, l_len, l_sysid, l_pid = \
|
||||
struct.unpack('hhllhh', flock)
|
||||
if sys.platform == 'freebsd2':
|
||||
l_start, l_len, l_pid, l_type, l_whence = \
|
||||
struct.unpack('lxxxxlxxxxlhh', flock)
|
||||
else:
|
||||
l_type, l_whence, l_start, l_len, l_sysid, l_pid = \
|
||||
struct.unpack('hhllhh', flock)
|
||||
|
||||
if l_type != FCNTL.F_UNLCK:
|
||||
if l_type == FCNTL.F_RDLCK:
|
||||
return 'r', l_len, l_start, l_whence, l_pid
|
||||
|
|
|
|||
|
|
@ -1,6 +1,12 @@
|
|||
# Module 'posixpath' -- common operations on POSIX pathnames
|
||||
# Module 'posixpath' -- common operations on Posix pathnames.
|
||||
# Some of this can actually be useful on non-Posix systems too, e.g.
|
||||
# for manipulation of the pathname component of URLs.
|
||||
# The "os.path" name is an alias for this module on Posix systems;
|
||||
# on other systems (e.g. Mac, Windows), os.path provides the same
|
||||
# operations in a manner specific to that platform, and is an alias
|
||||
# to another module (e.g. macpath, ntpath).
|
||||
|
||||
import posix
|
||||
import os
|
||||
import stat
|
||||
|
||||
|
||||
|
|
@ -102,12 +108,12 @@ def commonprefix(m):
|
|||
|
||||
|
||||
# Is a path a symbolic link?
|
||||
# This will always return false on systems where posix.lstat doesn't exist.
|
||||
# This will always return false on systems where os.lstat doesn't exist.
|
||||
|
||||
def islink(path):
|
||||
try:
|
||||
st = posix.lstat(path)
|
||||
except (posix.error, AttributeError):
|
||||
st = os.lstat(path)
|
||||
except (os.error, AttributeError):
|
||||
return 0
|
||||
return stat.S_ISLNK(st[stat.ST_MODE])
|
||||
|
||||
|
|
@ -117,20 +123,20 @@ def islink(path):
|
|||
|
||||
def exists(path):
|
||||
try:
|
||||
st = posix.stat(path)
|
||||
except posix.error:
|
||||
st = os.stat(path)
|
||||
except os.error:
|
||||
return 0
|
||||
return 1
|
||||
|
||||
|
||||
# Is a path a posix directory?
|
||||
# Is a path a directory?
|
||||
# This follows symbolic links, so both islink() and isdir() can be true
|
||||
# for the same path.
|
||||
|
||||
def isdir(path):
|
||||
try:
|
||||
st = posix.stat(path)
|
||||
except posix.error:
|
||||
st = os.stat(path)
|
||||
except os.error:
|
||||
return 0
|
||||
return stat.S_ISDIR(st[stat.ST_MODE])
|
||||
|
||||
|
|
@ -141,8 +147,8 @@ def isdir(path):
|
|||
|
||||
def isfile(path):
|
||||
try:
|
||||
st = posix.stat(path)
|
||||
except posix.error:
|
||||
st = os.stat(path)
|
||||
except os.error:
|
||||
return 0
|
||||
return stat.S_ISREG(st[stat.ST_MODE])
|
||||
|
||||
|
|
@ -150,18 +156,17 @@ def isfile(path):
|
|||
# Are two filenames really pointing to the same file?
|
||||
|
||||
def samefile(f1, f2):
|
||||
s1 = posix.stat(f1)
|
||||
s2 = posix.stat(f2)
|
||||
s1 = os.stat(f1)
|
||||
s2 = os.stat(f2)
|
||||
return samestat(s1, s2)
|
||||
|
||||
|
||||
# Are two open files really referencing the same file?
|
||||
# (Not necessarily the same file descriptor!)
|
||||
# XXX Oops, posix.fstat() doesn't exist yet!
|
||||
|
||||
def sameopenfile(fp1, fp2):
|
||||
s1 = posix.fstat(fp1)
|
||||
s2 = posix.fstat(fp2)
|
||||
s1 = os.fstat(fp1)
|
||||
s2 = os.fstat(fp2)
|
||||
return samestat(s1, s2)
|
||||
|
||||
|
||||
|
|
@ -174,13 +179,13 @@ def samestat(s1, s2):
|
|||
|
||||
|
||||
# Is a path a mount point?
|
||||
# (Does this work for all UNIXes? Is it even guaranteed to work by POSIX?)
|
||||
# (Does this work for all UNIXes? Is it even guaranteed to work by Posix?)
|
||||
|
||||
def ismount(path):
|
||||
try:
|
||||
s1 = posix.stat(path)
|
||||
s2 = posix.stat(join(path, '..'))
|
||||
except posix.error:
|
||||
s1 = os.stat(path)
|
||||
s2 = os.stat(join(path, '..'))
|
||||
except os.error:
|
||||
return 0 # It doesn't exist -- so not a mount point :-)
|
||||
dev1 = s1[stat.ST_DEV]
|
||||
dev2 = s2[stat.ST_DEV]
|
||||
|
|
@ -203,8 +208,8 @@ def ismount(path):
|
|||
|
||||
def walk(top, func, arg):
|
||||
try:
|
||||
names = posix.listdir(top)
|
||||
except posix.error:
|
||||
names = os.listdir(top)
|
||||
except os.error:
|
||||
return
|
||||
func(arg, top, names)
|
||||
exceptions = ('.', '..')
|
||||
|
|
@ -231,9 +236,9 @@ def expanduser(path):
|
|||
while i < n and path[i] <> '/':
|
||||
i = i+1
|
||||
if i == 1:
|
||||
if not posix.environ.has_key('HOME'):
|
||||
if not os.environ.has_key('HOME'):
|
||||
return path
|
||||
userhome = posix.environ['HOME']
|
||||
userhome = os.environ['HOME']
|
||||
else:
|
||||
import pwd
|
||||
try:
|
||||
|
|
@ -267,9 +272,9 @@ def expandvars(path):
|
|||
j = i + len(_varprog.group(0))
|
||||
if name[:1] == '{' and name[-1:] == '}':
|
||||
name = name[1:-1]
|
||||
if posix.environ.has_key(name):
|
||||
if os.environ.has_key(name):
|
||||
tail = path[j:]
|
||||
path = path[:i] + posix.environ[name]
|
||||
path = path[:i] + os.environ[name]
|
||||
i = len(path)
|
||||
path = path + tail
|
||||
else:
|
||||
|
|
|
|||
|
|
@ -174,12 +174,25 @@ class _posixfile_:
|
|||
elif len(args) > 3:
|
||||
raise TypeError, 'too many arguments'
|
||||
|
||||
flock = struct.pack('hhllhh', l_type, l_whence, l_start, l_len, 0, 0)
|
||||
# Hack by davem@magnet.com to get locking to go on freebsd
|
||||
import sys, os
|
||||
if sys.platform == 'freebsd2':
|
||||
flock = struct.pack('lxxxxlxxxxlhh', \
|
||||
l_start, l_len, os.getpid(), l_type, l_whence)
|
||||
else:
|
||||
flock = struct.pack('hhllhh', \
|
||||
l_type, l_whence, l_start, l_len, 0, 0)
|
||||
|
||||
flock = fcntl.fcntl(self._file_.fileno(), cmd, flock)
|
||||
|
||||
if '?' in how:
|
||||
l_type, l_whence, l_start, l_len, l_sysid, l_pid = \
|
||||
struct.unpack('hhllhh', flock)
|
||||
if sys.platform == 'freebsd2':
|
||||
l_start, l_len, l_pid, l_type, l_whence = \
|
||||
struct.unpack('lxxxxlxxxxlhh', flock)
|
||||
else:
|
||||
l_type, l_whence, l_start, l_len, l_sysid, l_pid = \
|
||||
struct.unpack('hhllhh', flock)
|
||||
|
||||
if l_type != FCNTL.F_UNLCK:
|
||||
if l_type == FCNTL.F_RDLCK:
|
||||
return 'r', l_len, l_start, l_whence, l_pid
|
||||
|
|
|
|||
|
|
@ -1,6 +1,12 @@
|
|||
# Module 'posixpath' -- common operations on POSIX pathnames
|
||||
# Module 'posixpath' -- common operations on Posix pathnames.
|
||||
# Some of this can actually be useful on non-Posix systems too, e.g.
|
||||
# for manipulation of the pathname component of URLs.
|
||||
# The "os.path" name is an alias for this module on Posix systems;
|
||||
# on other systems (e.g. Mac, Windows), os.path provides the same
|
||||
# operations in a manner specific to that platform, and is an alias
|
||||
# to another module (e.g. macpath, ntpath).
|
||||
|
||||
import posix
|
||||
import os
|
||||
import stat
|
||||
|
||||
|
||||
|
|
@ -102,12 +108,12 @@ def commonprefix(m):
|
|||
|
||||
|
||||
# Is a path a symbolic link?
|
||||
# This will always return false on systems where posix.lstat doesn't exist.
|
||||
# This will always return false on systems where os.lstat doesn't exist.
|
||||
|
||||
def islink(path):
|
||||
try:
|
||||
st = posix.lstat(path)
|
||||
except (posix.error, AttributeError):
|
||||
st = os.lstat(path)
|
||||
except (os.error, AttributeError):
|
||||
return 0
|
||||
return stat.S_ISLNK(st[stat.ST_MODE])
|
||||
|
||||
|
|
@ -117,20 +123,20 @@ def islink(path):
|
|||
|
||||
def exists(path):
|
||||
try:
|
||||
st = posix.stat(path)
|
||||
except posix.error:
|
||||
st = os.stat(path)
|
||||
except os.error:
|
||||
return 0
|
||||
return 1
|
||||
|
||||
|
||||
# Is a path a posix directory?
|
||||
# Is a path a directory?
|
||||
# This follows symbolic links, so both islink() and isdir() can be true
|
||||
# for the same path.
|
||||
|
||||
def isdir(path):
|
||||
try:
|
||||
st = posix.stat(path)
|
||||
except posix.error:
|
||||
st = os.stat(path)
|
||||
except os.error:
|
||||
return 0
|
||||
return stat.S_ISDIR(st[stat.ST_MODE])
|
||||
|
||||
|
|
@ -141,8 +147,8 @@ def isdir(path):
|
|||
|
||||
def isfile(path):
|
||||
try:
|
||||
st = posix.stat(path)
|
||||
except posix.error:
|
||||
st = os.stat(path)
|
||||
except os.error:
|
||||
return 0
|
||||
return stat.S_ISREG(st[stat.ST_MODE])
|
||||
|
||||
|
|
@ -150,18 +156,17 @@ def isfile(path):
|
|||
# Are two filenames really pointing to the same file?
|
||||
|
||||
def samefile(f1, f2):
|
||||
s1 = posix.stat(f1)
|
||||
s2 = posix.stat(f2)
|
||||
s1 = os.stat(f1)
|
||||
s2 = os.stat(f2)
|
||||
return samestat(s1, s2)
|
||||
|
||||
|
||||
# Are two open files really referencing the same file?
|
||||
# (Not necessarily the same file descriptor!)
|
||||
# XXX Oops, posix.fstat() doesn't exist yet!
|
||||
|
||||
def sameopenfile(fp1, fp2):
|
||||
s1 = posix.fstat(fp1)
|
||||
s2 = posix.fstat(fp2)
|
||||
s1 = os.fstat(fp1)
|
||||
s2 = os.fstat(fp2)
|
||||
return samestat(s1, s2)
|
||||
|
||||
|
||||
|
|
@ -174,13 +179,13 @@ def samestat(s1, s2):
|
|||
|
||||
|
||||
# Is a path a mount point?
|
||||
# (Does this work for all UNIXes? Is it even guaranteed to work by POSIX?)
|
||||
# (Does this work for all UNIXes? Is it even guaranteed to work by Posix?)
|
||||
|
||||
def ismount(path):
|
||||
try:
|
||||
s1 = posix.stat(path)
|
||||
s2 = posix.stat(join(path, '..'))
|
||||
except posix.error:
|
||||
s1 = os.stat(path)
|
||||
s2 = os.stat(join(path, '..'))
|
||||
except os.error:
|
||||
return 0 # It doesn't exist -- so not a mount point :-)
|
||||
dev1 = s1[stat.ST_DEV]
|
||||
dev2 = s2[stat.ST_DEV]
|
||||
|
|
@ -203,8 +208,8 @@ def ismount(path):
|
|||
|
||||
def walk(top, func, arg):
|
||||
try:
|
||||
names = posix.listdir(top)
|
||||
except posix.error:
|
||||
names = os.listdir(top)
|
||||
except os.error:
|
||||
return
|
||||
func(arg, top, names)
|
||||
exceptions = ('.', '..')
|
||||
|
|
@ -231,9 +236,9 @@ def expanduser(path):
|
|||
while i < n and path[i] <> '/':
|
||||
i = i+1
|
||||
if i == 1:
|
||||
if not posix.environ.has_key('HOME'):
|
||||
if not os.environ.has_key('HOME'):
|
||||
return path
|
||||
userhome = posix.environ['HOME']
|
||||
userhome = os.environ['HOME']
|
||||
else:
|
||||
import pwd
|
||||
try:
|
||||
|
|
@ -267,9 +272,9 @@ def expandvars(path):
|
|||
j = i + len(_varprog.group(0))
|
||||
if name[:1] == '{' and name[-1:] == '}':
|
||||
name = name[1:-1]
|
||||
if posix.environ.has_key(name):
|
||||
if os.environ.has_key(name):
|
||||
tail = path[j:]
|
||||
path = path[:i] + posix.environ[name]
|
||||
path = path[:i] + os.environ[name]
|
||||
i = len(path)
|
||||
path = path + tail
|
||||
else:
|
||||
|
|
|
|||
Loading…
Reference in New Issue