diff options
Diffstat (limited to 'Lib/ctypes/util.py')
| -rw-r--r-- | Lib/ctypes/util.py | 68 |
1 files changed, 50 insertions, 18 deletions
diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py index 1bb7d1de7e..054c51158e 100644 --- a/Lib/ctypes/util.py +++ b/Lib/ctypes/util.py @@ -1,5 +1,6 @@ import sys, os import contextlib +import subprocess # find_library(name) returns the pathname of a library, or None. if os.name == "nt": @@ -39,8 +40,8 @@ if os.name == "nt": clibname = 'msvcr%d' % (version * 10) # If python was built with in debug mode - import imp - if imp.get_suffixes()[0][0] == '_d.pyd': + import importlib.machinery + if '_d.pyd' in importlib.machinery.EXTENSION_SUFFIXES: clibname += 'd' return clibname+'.dll' @@ -91,7 +92,7 @@ elif os.name == "posix": fdout, ccout = tempfile.mkstemp() os.close(fdout) cmd = 'if type gcc >/dev/null 2>&1; then CC=gcc; elif type cc >/dev/null 2>&1; then CC=cc;else exit 10; fi;' \ - '$CC -Wl,-t -o ' + ccout + ' 2>&1 -l' + name + 'LANG=C LC_ALL=C $CC -Wl,-t -o ' + ccout + ' 2>&1 -l' + name try: f = os.popen(cmd) try: @@ -136,16 +137,12 @@ elif os.name == "posix": rv = f.close() if rv == 10: raise OSError('objdump command not found') - with contextlib.closing(os.popen(cmd)) as f: - data = f.read() - res = re.search(r'\sSONAME\s+([^\s]+)', data) + res = re.search(r'\sSONAME\s+([^\s]+)', dump) if not res: return None return res.group(1) - if (sys.platform.startswith("freebsd") - or sys.platform.startswith("openbsd") - or sys.platform.startswith("dragonfly")): + if sys.platform.startswith(("freebsd", "openbsd", "dragonfly")): def _num_version(libname): # "libxyz.so.MAJOR.MINOR" => [ MAJOR, MINOR ] @@ -169,14 +166,43 @@ elif os.name == "posix": res.sort(key=_num_version) return res[-1] + elif sys.platform == "sunos5": + + def _findLib_crle(name, is64): + if not os.path.exists('/usr/bin/crle'): + return None + + if is64: + cmd = 'env LC_ALL=C /usr/bin/crle -64 2>/dev/null' + else: + cmd = 'env LC_ALL=C /usr/bin/crle 2>/dev/null' + + for line in os.popen(cmd).readlines(): + line = line.strip() + if line.startswith('Default Library Path (ELF):'): + paths = line.split()[4] + + if not paths: + return None + + for dir in paths.split(":"): + libfile = os.path.join(dir, "lib%s.so" % name) + if os.path.exists(libfile): + return libfile + + return None + + def find_library(name, is64 = False): + return _get_soname(_findLib_crle(name, is64) or _findLib_gcc(name)) + else: def _findSoname_ldconfig(name): import struct if struct.calcsize('l') == 4: - machine = os.uname()[4] + '-32' + machine = os.uname().machine + '-32' else: - machine = os.uname()[4] + '-64' + machine = os.uname().machine + '-64' mach_map = { 'x86_64-64': 'libc6,x86-64', 'ppc64-64': 'libc6,64bit', @@ -187,13 +213,19 @@ elif os.name == "posix": abi_type = mach_map.get(machine, 'libc6') # XXX assuming GLIBC's ldconfig (with option -p) - expr = r'\s+(lib%s\.[^\s]+)\s+\(%s' % (re.escape(name), abi_type) - with contextlib.closing(os.popen('LC_ALL=C LANG=C /sbin/ldconfig -p 2>/dev/null')) as f: - data = f.read() - res = re.search(expr, data) - if not res: - return None - return res.group(1) + regex = os.fsencode( + '\s+(lib%s\.[^\s]+)\s+\(%s' % (re.escape(name), abi_type)) + try: + with subprocess.Popen(['/sbin/ldconfig', '-p'], + stdin=subprocess.DEVNULL, + stderr=subprocess.DEVNULL, + stdout=subprocess.PIPE, + env={'LC_ALL': 'C', 'LANG': 'C'}) as p: + res = re.search(regex, p.stdout.read()) + if res: + return os.fsdecode(res.group(1)) + except OSError: + pass def find_library(name): return _findSoname_ldconfig(name) or _get_soname(_findLib_gcc(name)) |