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Kirill Smelkov
cpython
Commits
e43a0fcc
Commit
e43a0fcc
authored
May 12, 2006
by
Thomas Heller
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Add missing svn properties.
parent
8f505aed
Changes
1
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-122
Lib/ctypes/util.py
Lib/ctypes/util.py
+122
-122
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Lib/ctypes/util.py
View file @
e43a0fcc
import
sys
,
os
import
ctypes
# find_library(name) returns the pathname of a library, or None.
if
os
.
name
==
"nt"
:
def
find_library
(
name
):
# See MSDN for the REAL search order.
for
directory
in
os
.
environ
[
'PATH'
].
split
(
os
.
pathsep
):
fname
=
os
.
path
.
join
(
directory
,
name
)
if
os
.
path
.
exists
(
fname
):
return
fname
if
fname
.
lower
().
endswith
(
".dll"
):
continue
fname
=
fname
+
".dll"
if
os
.
path
.
exists
(
fname
):
return
fname
return
None
if
os
.
name
==
"ce"
:
# search path according to MSDN:
# - absolute path specified by filename
# - The .exe launch directory
# - the Windows directory
# - ROM dll files (where are they?)
# - OEM specified search path: HKLM\Loader\SystemPath
def
find_library
(
name
):
return
name
if
os
.
name
==
"posix"
and
sys
.
platform
==
"darwin"
:
from
ctypes.macholib.dyld
import
dyld_find
as
_dyld_find
def
find_library
(
name
):
possible
=
[
'lib%s.dylib'
%
name
,
'%s.dylib'
%
name
,
'%s.framework/%s'
%
(
name
,
name
)]
for
name
in
possible
:
try
:
return
_dyld_find
(
name
)
except
ValueError
:
continue
return
None
elif
os
.
name
==
"posix"
:
# Andreas Degert's find functions, using gcc, /sbin/ldconfig, objdump
import
re
,
tempfile
def
_findLib_gcc
(
name
):
expr
=
'[^
\
(
\
)
\
s]*li
b
%s
\
.[^
\
(
\
)
\
s]*'
%
name
cmd
=
'if type gcc &>/dev/null; then CC=gcc; else CC=cc; fi;'
\
'$CC -Wl,-t -o /dev/null 2>&1 -l'
+
name
try
:
fdout
,
outfile
=
tempfile
.
mkstemp
()
fd
=
os
.
popen
(
cmd
)
trace
=
fd
.
read
()
err
=
fd
.
close
()
finally
:
try
:
os
.
unlink
(
outfile
)
except
OSError
,
e
:
if
e
.
errno
!=
errno
.
ENOENT
:
raise
res
=
re
.
search
(
expr
,
trace
)
if
not
res
:
return
None
return
res
.
group
(
0
)
def
_findLib_ld
(
name
):
expr
=
'/[^
\
(
\
)
\
s]*li
b
%s
\
.[^
\
(
\
)
\
s]*'
%
name
res
=
re
.
search
(
expr
,
os
.
popen
(
'/sbin/ldconfig -p 2>/dev/null'
).
read
())
if
not
res
:
# Hm, this works only for libs needed by the python executable.
cmd
=
'ldd %s 2>/dev/null'
%
sys
.
executable
res
=
re
.
search
(
expr
,
os
.
popen
(
cmd
).
read
())
if
not
res
:
return
None
return
res
.
group
(
0
)
def
_get_soname
(
f
):
cmd
=
"objdump -p -j .dynamic 2>/dev/null "
+
f
res
=
re
.
search
(
r'\
sSONAME
\s+([^\
s]+)
', os.popen(cmd).read())
if not res:
return None
return res.group(1)
def find_library(name):
lib = _findLib_ld(name) or _findLib_gcc(name)
if not lib:
return None
return _get_soname(lib)
################################################################
# test code
def test():
from ctypes import cdll
if os.name == "nt":
print cdll.msvcrt
print cdll.load("msvcrt")
print find_library("msvcrt")
if os.name == "posix":
# find and load_version
print find_library("m")
print find_library("c")
print find_library("bz2")
# getattr
## print cdll.m
## print cdll.bz2
# load
if sys.platform == "darwin":
print cdll.LoadLibrary("libm.dylib")
print cdll.LoadLibrary("libcrypto.dylib")
print cdll.LoadLibrary("libSystem.dylib")
print cdll.LoadLibrary("System.framework/System")
else:
print cdll.LoadLibrary("libm.so")
print cdll.LoadLibrary("libcrypt.so")
print find_library("crypt")
if __name__ == "__main__":
test()
import
sys
,
os
import
ctypes
# find_library(name) returns the pathname of a library, or None.
if
os
.
name
==
"nt"
:
def
find_library
(
name
):
# See MSDN for the REAL search order.
for
directory
in
os
.
environ
[
'PATH'
].
split
(
os
.
pathsep
):
fname
=
os
.
path
.
join
(
directory
,
name
)
if
os
.
path
.
exists
(
fname
):
return
fname
if
fname
.
lower
().
endswith
(
".dll"
):
continue
fname
=
fname
+
".dll"
if
os
.
path
.
exists
(
fname
):
return
fname
return
None
if
os
.
name
==
"ce"
:
# search path according to MSDN:
# - absolute path specified by filename
# - The .exe launch directory
# - the Windows directory
# - ROM dll files (where are they?)
# - OEM specified search path: HKLM\Loader\SystemPath
def
find_library
(
name
):
return
name
if
os
.
name
==
"posix"
and
sys
.
platform
==
"darwin"
:
from
ctypes.macholib.dyld
import
dyld_find
as
_dyld_find
def
find_library
(
name
):
possible
=
[
'lib%s.dylib'
%
name
,
'%s.dylib'
%
name
,
'%s.framework/%s'
%
(
name
,
name
)]
for
name
in
possible
:
try
:
return
_dyld_find
(
name
)
except
ValueError
:
continue
return
None
elif
os
.
name
==
"posix"
:
# Andreas Degert's find functions, using gcc, /sbin/ldconfig, objdump
import
re
,
tempfile
def
_findLib_gcc
(
name
):
expr
=
'[^
\
(
\
)
\
s]*li
b
%s
\
.[^
\
(
\
)
\
s]*'
%
name
cmd
=
'if type gcc &>/dev/null; then CC=gcc; else CC=cc; fi;'
\
'$CC -Wl,-t -o /dev/null 2>&1 -l'
+
name
try
:
fdout
,
outfile
=
tempfile
.
mkstemp
()
fd
=
os
.
popen
(
cmd
)
trace
=
fd
.
read
()
err
=
fd
.
close
()
finally
:
try
:
os
.
unlink
(
outfile
)
except
OSError
,
e
:
if
e
.
errno
!=
errno
.
ENOENT
:
raise
res
=
re
.
search
(
expr
,
trace
)
if
not
res
:
return
None
return
res
.
group
(
0
)
def
_findLib_ld
(
name
):
expr
=
'/[^
\
(
\
)
\
s]*li
b
%s
\
.[^
\
(
\
)
\
s]*'
%
name
res
=
re
.
search
(
expr
,
os
.
popen
(
'/sbin/ldconfig -p 2>/dev/null'
).
read
())
if
not
res
:
# Hm, this works only for libs needed by the python executable.
cmd
=
'ldd %s 2>/dev/null'
%
sys
.
executable
res
=
re
.
search
(
expr
,
os
.
popen
(
cmd
).
read
())
if
not
res
:
return
None
return
res
.
group
(
0
)
def
_get_soname
(
f
):
cmd
=
"objdump -p -j .dynamic 2>/dev/null "
+
f
res
=
re
.
search
(
r'\
sSONAME
\s+([^\
s]+)
', os.popen(cmd).read())
if not res:
return None
return res.group(1)
def find_library(name):
lib = _findLib_ld(name) or _findLib_gcc(name)
if not lib:
return None
return _get_soname(lib)
################################################################
# test code
def test():
from ctypes import cdll
if os.name == "nt":
print cdll.msvcrt
print cdll.load("msvcrt")
print find_library("msvcrt")
if os.name == "posix":
# find and load_version
print find_library("m")
print find_library("c")
print find_library("bz2")
# getattr
## print cdll.m
## print cdll.bz2
# load
if sys.platform == "darwin":
print cdll.LoadLibrary("libm.dylib")
print cdll.LoadLibrary("libcrypto.dylib")
print cdll.LoadLibrary("libSystem.dylib")
print cdll.LoadLibrary("System.framework/System")
else:
print cdll.LoadLibrary("libm.so")
print cdll.LoadLibrary("libcrypt.so")
print find_library("crypt")
if __name__ == "__main__":
test()
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