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New function requires_version if module want to restrict to some version for compatibility

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nemunaire 2015-07-19 14:04:01 +02:00
commit e925c47961
1 changed files with 18 additions and 0 deletions
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nemubot/__init__.py
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@ -22,6 +22,24 @@ __author__ = 'nemunaire'
from nemubot.modulecontext import ModuleContext
context = ModuleContext(None, None)
def requires_version(min=None, max=None):
"""Raise ImportError if the current version is not in the given range
Keyword arguments:
min -- minimal compatible version
max -- last compatible version
"""
from distutils.version import LooseVersion
if min is not None and LooseVersion(__version__) < LooseVersion(str(min)):
raise ImportError("Requires version above %s, "
"but this is nemubot v%s." % (str(min), __version__))
if max is not None and LooseVersion(__version__) > LooseVersion(str(max)):
raise ImportError("Requires version under %s, "
"but this is nemubot v%s." % (str(max), __version__))
def reload():
"""Reload code of all Python modules used by nemubot
"""