>>>>> "GvR" == Guido van Rossum <guido@python.org> writes:
>> Random, harried thought: maybe we can use .pth files to extend
>> the __path__? IOW, something like the above would search
>> sys.path for zope.pth files, and do the equivalent to what
>> site.py already does.
GvR> That would be a useful addition to the pkgutil.py module that
GvR> I just proposed.
BTW, in the spirit of TOOWTDI, here's a very quick hack...
-Barry
-------------------- snip snip --------------------
# Use like this:
#
# from pkgutil import extendpath
# __path__ = extendpath(__path__, __name__)
import os
import sys
from site import makepath
def _read(basedir, fp):
dirs = {}
# Stolen largely from site.py
for line in fp:
if line.startswith('#'):
continue
if line.startswith('import'):
exec line
continue
if line.endswith('\n'):
line = line[:-1]
dir, dircase = makepath(basedir, line)
if os.path.exists(dir):
dirs[dir] = True
return dirs
def extendpath(path, name):
path = dict(zip(sys.path, [True for x in sys.path]))
for dir in sys.path:
if isinstance(dir, (str, unicode)):
pth = os.path.join(dir, name + os.extsep + 'pth')
try:
fp = open(pth)
except IOError:
continue
try:
path.update(_read(dir, fp))
finally:
fp.close()
return path.keys()
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