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Diffstat (limited to 'doc/sphinxext/phantom_import.py')
-rw-r--r-- | doc/sphinxext/phantom_import.py | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/doc/sphinxext/phantom_import.py b/doc/sphinxext/phantom_import.py deleted file mode 100644 index c77eeb544..000000000 --- a/doc/sphinxext/phantom_import.py +++ /dev/null @@ -1,162 +0,0 @@ -""" -============== -phantom_import -============== - -Sphinx extension to make directives from ``sphinx.ext.autodoc`` and similar -extensions to use docstrings loaded from an XML file. - -This extension loads an XML file in the Pydocweb format [1] and -creates a dummy module that contains the specified docstrings. This -can be used to get the current docstrings from a Pydocweb instance -without needing to rebuild the documented module. - -.. [1] http://code.google.com/p/pydocweb - -""" -import imp, sys, compiler, types, os, inspect, re - -def setup(app): - app.connect('builder-inited', initialize) - app.add_config_value('phantom_import_file', None, True) - -def initialize(app): - fn = app.config.phantom_import_file - if (fn and os.path.isfile(fn)): - print "[numpydoc] Phantom importing modules from", fn, "..." - import_phantom_module(fn) - -#------------------------------------------------------------------------------ -# Creating 'phantom' modules from an XML description -#------------------------------------------------------------------------------ -def import_phantom_module(xml_file): - """ - Insert a fake Python module to sys.modules, based on a XML file. - - The XML file is expected to conform to Pydocweb DTD. The fake - module will contain dummy objects, which guarantee the following: - - - Docstrings are correct. - - Class inheritance relationships are correct (if present in XML). - - Function argspec is *NOT* correct (even if present in XML). - Instead, the function signature is prepended to the function docstring. - - Class attributes are *NOT* correct; instead, they are dummy objects. - - Parameters - ---------- - xml_file : str - Name of an XML file to read - - """ - import lxml.etree as etree - - object_cache = {} - - tree = etree.parse(xml_file) - root = tree.getroot() - - # Sort items so that - # - Base classes come before classes inherited from them - # - Modules come before their contents - all_nodes = dict([(n.attrib['id'], n) for n in root]) - - def _get_bases(node, recurse=False): - bases = [x.attrib['ref'] for x in node.findall('base')] - if recurse: - j = 0 - while True: - try: - b = bases[j] - except IndexError: break - if b in all_nodes: - bases.extend(_get_bases(all_nodes[b])) - j += 1 - return bases - - type_index = ['module', 'class', 'callable', 'object'] - - def base_cmp(a, b): - x = cmp(type_index.index(a.tag), type_index.index(b.tag)) - if x != 0: return x - - if a.tag == 'class' and b.tag == 'class': - a_bases = _get_bases(a, recurse=True) - b_bases = _get_bases(b, recurse=True) - x = cmp(len(a_bases), len(b_bases)) - if x != 0: return x - if a.attrib['id'] in b_bases: return -1 - if b.attrib['id'] in a_bases: return 1 - - return cmp(a.attrib['id'].count('.'), b.attrib['id'].count('.')) - - nodes = root.getchildren() - nodes.sort(base_cmp) - - # Create phantom items - for node in nodes: - name = node.attrib['id'] - doc = (node.text or '').decode('string-escape') + "\n" - if doc == "\n": doc = "" - - # create parent, if missing - parent = name - while True: - parent = '.'.join(parent.split('.')[:-1]) - if not parent: break - if parent in object_cache: break - obj = imp.new_module(parent) - object_cache[parent] = obj - sys.modules[parent] = obj - - # create object - if node.tag == 'module': - obj = imp.new_module(name) - obj.__doc__ = doc - sys.modules[name] = obj - elif node.tag == 'class': - bases = [object_cache[b] for b in _get_bases(node) - if b in object_cache] - bases.append(object) - init = lambda self: None - init.__doc__ = doc - obj = type(name, tuple(bases), {'__doc__': doc, '__init__': init}) - obj.__name__ = name.split('.')[-1] - elif node.tag == 'callable': - funcname = node.attrib['id'].split('.')[-1] - argspec = node.attrib.get('argspec') - if argspec: - argspec = re.sub('^[^(]*', '', argspec) - doc = "%s%s\n\n%s" % (funcname, argspec, doc) - obj = lambda: 0 - obj.__argspec_is_invalid_ = True - obj.func_name = funcname - obj.__name__ = name - obj.__doc__ = doc - if inspect.isclass(object_cache[parent]): - obj.__objclass__ = object_cache[parent] - else: - class Dummy(object): pass - obj = Dummy() - obj.__name__ = name - obj.__doc__ = doc - if inspect.isclass(object_cache[parent]): - obj.__get__ = lambda: None - object_cache[name] = obj - - if parent: - if inspect.ismodule(object_cache[parent]): - obj.__module__ = parent - setattr(object_cache[parent], name.split('.')[-1], obj) - - # Populate items - for node in root: - obj = object_cache.get(node.attrib['id']) - if obj is None: continue - for ref in node.findall('ref'): - if node.tag == 'class': - if ref.attrib['ref'].startswith(node.attrib['id'] + '.'): - setattr(obj, ref.attrib['name'], - object_cache.get(ref.attrib['ref'])) - else: - setattr(obj, ref.attrib['name'], - object_cache.get(ref.attrib['ref'])) |