mirror of
https://github.com/tahoe-lafs/tahoe-lafs.git
synced 2025-02-05 18:50:01 +00:00
5085c35002
this moves some of the code common to both windows and mac builds into the allmydata module hierarchy, and cleans up the windows and mac build directories to import the code from there.
47 lines
1.8 KiB
Python
47 lines
1.8 KiB
Python
|
|
def install():
|
|
"""
|
|
This installs a hook into setuptools' pkg_resources infrastructure, so that resource
|
|
files can be found in files relative to the runnin executable, in addition to the
|
|
usual egg and source lookup mechanisms. This overrides the ZipProvider, since that
|
|
is the lookup mechanism triggered within pkg_resources when running code out of a
|
|
py2exe or py2app build's library.zip.
|
|
"""
|
|
import os, sys
|
|
import pkg_resources, zipimport
|
|
|
|
platform_libdirs = {
|
|
'darwin': '../Resources/pkg_resources',
|
|
}
|
|
exedir = os.path.dirname(sys.executable)
|
|
libdir = platform_libdirs.get(sys.platform, 'pkg_resources')
|
|
|
|
class Provider(pkg_resources.ZipProvider):
|
|
|
|
def __init__(self, module):
|
|
self._module_name = module.__name__
|
|
pkg_resources.ZipProvider.__init__(self, module)
|
|
|
|
def get_resource_filename(self, manager, resource_name):
|
|
#print 'get_resource_filename(%s, %s)' % (manager, resource_name)
|
|
path = [exedir, libdir] + self._module_name.split('.') + [resource_name]
|
|
localfile = os.path.join(*path)
|
|
#print ' checking(%s)' % (localfile,)
|
|
if os.path.exists(localfile):
|
|
#print 'found locally'
|
|
return localfile
|
|
else:
|
|
try:
|
|
ret = pkg_resources.ZipProvider.get_resource_filename(self, manager, resource_name)
|
|
#print 'returning %s' % (ret,)
|
|
return ret
|
|
except NotImplementedError:
|
|
#print 'get_resource_filename(%s,%s): not found' % (self._module_name, resource_name)
|
|
#import traceback
|
|
#traceback.print_exc()
|
|
return ''
|
|
|
|
pkg_resources.register_loader_type(zipimport.zipimporter, Provider)
|
|
|
|
|