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