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Allow multiple calls to setup_extension().

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This commit is contained in:
Georg Brandl 2009-02-24 13:34:21 +01:00
parent 9df0b1ce74
commit 965a8c1d20
1 changed files with 5 additions and 1 deletions
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6
sphinx/application.py
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@ -89,6 +89,7 @@ class Sphinx(object):
confoverrides, status, warning=sys.stderr, freshenv=False,
warningiserror=False, tags=None):
self.next_listener_id = 0
self._extensions = {}
self._listeners = {}
self.builderclasses = BUILTIN_BUILDERS.copy()
self.builder = None
@ -190,7 +191,9 @@ class Sphinx(object):
# general extensibility interface
def setup_extension(self, extension):
"""Import and setup a Sphinx extension module."""
"""Import and setup a Sphinx extension module. No-op if called twice."""
if extension in self._extensions:
return
try:
mod = __import__(extension, None, None, ['setup'])
except ImportError, err:
@ -198,6 +201,7 @@ class Sphinx(object):
err)
if hasattr(mod, 'setup'):
mod.setup(self)
self._extensions[extension] = mod
def import_object(self, objname, source=None):
"""Import an object from a 'module.name' string."""