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better OSX support, I think

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This commit is contained in:
David Rose 2008-08-05 16:55:34 +00:00
parent 08e17a3ee0
commit bdde0c3185
1 changed files with 45 additions and 24 deletions
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67
direct/src/extensions_native/extension_native_helpers.py
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@ -3,49 +3,70 @@ __all__ = ["Dtool_ObjectToDict", "Dtool_funcToMethod", "Dtool_PreloadDLL"]
import imp,sys,os
is_python_d = False
dll_suffix = ''
dll_ext = '.dll'
if (sys.platform == "darwin"):
dll_ext = '.dylib'
# The following code exists to work around a problem that exists
# with Python 2.5 or greater.
if (sys.platform == "win32"):
# If we launched from python_d.exe, we need to load libpanda_d.dll, etc.
is_python_d = (sys.executable.endswith('_d.exe'))
if is_python_d:
# Specifically, Python 2.5 is designed to import files named *.pyd
# only; it will not import files named *.dll (or *.so). We work
# around this problem by explicitly preloading all of the dll's we
# expect to need.
dll_suffix = ''
if sys.platform == "win32":
# On Windows, dynamic libraries end in ".dll".
dll_ext = '.dll'
# If we launched from python_d.exe, we need to load
# libpanda_d.dll, etc.
if sys.executable.endswith('_d.exe'):
dll_suffix = '_d'
else:
# On OSX or Linux, dynamic libraries end in ".so". OSX also
# provides *.dylib files, but these are apparently not intended to
# be imported directly.
dll_ext = '.so'
if sys.platform == "win32":
# On Windows, we must furthermore ensure that the PATH is modified
# to locate all of the DLL files.
# First, search for the directory that contains all of our compiled
# modules.
target = None
filename = "libpandaexpress%s%s" % (dll_suffix, dll_ext)
for dir in sys.path + [sys.prefix]:
lib = os.path.join(dir, filename)
if (os.path.exists(lib)):
target = dir
if (target == None):
if target == None:
message = "Cannot find %s" % (filename)
raise message
path=os.environ["PATH"]
if (path.startswith(target+";")==0):
os.environ["PATH"] = target+";"+path
# And add that directory to the system path.
path = os.environ["PATH"]
if not path.startswith(target + ";"):
os.environ["PATH"] = target + ";" + path
def Dtool_PreloadDLL(module):
""" Preloading solves the problem that python 2.5 on
windows can't find DLLs - it can only find PYDs. The
preloader is able to find DLLs."""
if (sys.platform != "win32" and sys.platform != "darwin"):
return
if (sys.modules.has_key(module)):
return
# Search for the appropriate directory.
target = None
filename = module + dll_suffix + dll_ext
for dir in sys.path + [sys.prefix]:
lib = os.path.join(dir, module + dll_suffix + dll_ext)
lib = os.path.join(dir, filename)
if (os.path.exists(lib)):
target = dir
break
if (target == None):
raise "DLL loader cannot find "+module+"."
imp.load_dynamic(module, os.path.join(target, module + dll_suffix + dll_ext))
if target == None:
message = "DLL loader cannot find %s." % (module)
raise message
# Now import the file explicitly.
pathname = os.path.join(target, filename)
imp.load_dynamic(module, pathname)
Dtool_PreloadDLL("libpandaexpress")
from libpandaexpress import *