Source code for zope.configuration.name
##############################################################################
#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Provide configuration object name resolution
"""
import os
from types import ModuleType
[docs]def resolve(name, package='zopeproducts', _silly=('__doc__',), _globals={}):
name = name.strip()
if name.startswith('.'):
name = package + name
if name.endswith('.') or name.endswith('+'):
name = name[:-1]
repeat = True
else:
repeat = False
names = name.split('.')
last = names[-1]
mod = '.'.join(names[:-1])
if not mod:
return __import__(name, _globals, _globals, _silly)
while 1:
m = __import__(mod, _globals, _globals, _silly)
try:
a = getattr(m, last)
except AttributeError:
if not repeat:
return __import__(name, _globals, _globals, _silly)
else:
if not repeat or (not isinstance(a, ModuleType)):
return a
mod += '.' + last
[docs]def getNormalizedName(name, package):
name = name.strip()
if name.startswith('.'):
name = package + name
if name.endswith('.') or name.endswith('+'):
name = name[:-1]
repeat = True
else:
repeat = False
name = name.split(".")
while len(name) > 1 and name[-1] == name[-2]:
name.pop()
repeat = 1
name = ".".join(name)
if repeat:
name += "+"
return name
[docs]def path(file='', package='zopeproducts', _silly=('__doc__',), _globals={}):
# XXX WTF? why not look for abspath before importing?
try:
package = __import__(package, _globals, _globals, _silly)
except ImportError:
norm = os.path.normpath(file)
if file and os.path.abspath(norm) == norm:
# The package didn't matter
return norm
raise
path = os.path.dirname(package.__file__)
if file:
path = os.path.join(path, file)
return path