Generate API info for Python Packages via Epydoc
Project description
Formatting and serialization of epydoc-parsed Python source code. Source code is only ever parsed textually, never imported.
Command line Usage
prettyprint
Pretty print a representation of the API of a named object or file:
$ epyparse print -path <name_or_path> [options]
which can be shortened to:
$ epyparse <name_or_path> [options]
By default, output is colored for the terminal, you can turn this off with the -nocolor option.
serialize
Flatten the recursive API structure of a named object or file to a sequence of individual dictionaries. Each dictionary is JSON-serialized and saved to its own file:
$ epyparse serialize -path <name_or_path> [options]
By default, files are written to the current working directory, you can specify another directory with the -out option:
$ epyparse serialize -path <name_or_path> -out docs/api
Programmatic Usage
Top-level functions are parsed, flattened, pprint and objectify:
>>> from epyparse import parsed, flattened, pprint, objectify
Input can be a file path:
>>> pprint('setup.py') ################################################################################ # setup ################################################################################ """ """ <BLANKLINE> import distutils.core.setup import sys import os import epyparse <BLANKLINE>
which must exist:
>>> parsed('does/not/exist') Traceback (most recent call last): ... IOError: No such file does/not/exist
Or a named object:
>>> pprint('os.getenv') def getenv(key, default=None): """ Get an environment variable, return None if it doesn't exist. The optional second argument can specify an alternate default. """ <BLANKLINE>
which must be accessible:
>>> pprint('does.not.exist') Traceback (most recent call last): ... ImportError: No Python source file found.
and not a builtin or c-based object:
>>> pprint('cStringIO.StringIO') Traceback (most recent call last): ... ImportError: No Python source file for builtin modules.
Modules, functions, classes or methods can be accessed:
>>> pprint('StringIO.StringIO.write') def write(self, s): """ Write a string to the file. <BLANKLINE> There is no return value. """ <BLANKLINE>
Parse to a nested dictionary
Parse module:
>>> d = parsed('epydoc.apidoc') >>> sorted(d.keys()) ['children', 'docstring', 'fullname', 'imports', 'type'] >>> d['type'] 'module' >>> for item in sorted(d['children'], key=lambda d: (d['type'], d['fullname'])): ... print item['type'], ' -> ', item['fullname'] class -> epydoc.apidoc.APIDoc class -> epydoc.apidoc.ClassDoc class -> epydoc.apidoc.ClassMethodDoc class -> epydoc.apidoc.DocIndex class -> epydoc.apidoc.DottedName class -> epydoc.apidoc.GenericValueDoc class -> epydoc.apidoc.ModuleDoc class -> epydoc.apidoc.NamespaceDoc class -> epydoc.apidoc.PropertyDoc class -> epydoc.apidoc.RoutineDoc class -> epydoc.apidoc.StaticMethodDoc class -> epydoc.apidoc.ValueDoc class -> epydoc.apidoc.VariableDoc class -> epydoc.apidoc._Sentinel function -> epydoc.apidoc._flatten function -> epydoc.apidoc._pp_apidoc function -> epydoc.apidoc._pp_dict function -> epydoc.apidoc._pp_list function -> epydoc.apidoc._pp_val function -> epydoc.apidoc.pp_apidoc function -> epydoc.apidoc.reachable_valdocs
Flatten and JSON-serialize
For the Object.get_parent and Object.get_children deserialization methods to work, we rely on the convention that api objects have been saved to the same directory with the canonical name as file name and with no file extension:
>>> import os, json >>> assert not os.path.exists('TESTOUT') >>> os.mkdir('TESTOUT') >>> for item in flattened('epydoc.apidoc'): ... print item['fullname'] ... with open('TESTOUT/' + item['fullname'], 'w+b') as fp: ... json.dump(item, fp) ... epydoc.apidoc._flatten epydoc.apidoc._pp_apidoc epydoc.apidoc._pp_dict epydoc.apidoc._pp_list epydoc.apidoc._pp_val epydoc.apidoc.pp_apidoc epydoc.apidoc.reachable_valdocs epydoc.apidoc.APIDoc.__cmp__ epydoc.apidoc.APIDoc.__hash__ epydoc.apidoc.APIDoc.__init__ epydoc.apidoc.APIDoc.__repr__ epydoc.apidoc.APIDoc._debug_setattr epydoc.apidoc.APIDoc._debug_setattr epydoc.apidoc.APIDoc.apidoc_links epydoc.apidoc.APIDoc.is_detailed epydoc.apidoc.APIDoc.merge_and_overwrite epydoc.apidoc.APIDoc.pp epydoc.apidoc.APIDoc.pp epydoc.apidoc.APIDoc.specialize_to epydoc.apidoc.APIDoc epydoc.apidoc.ClassDoc._c3_merge epydoc.apidoc.ClassDoc._c3_mro epydoc.apidoc.ClassDoc._dfs_bases epydoc.apidoc.ClassDoc._report_bad_base epydoc.apidoc.ClassDoc.apidoc_links epydoc.apidoc.ClassDoc.is_exception epydoc.apidoc.ClassDoc.is_newstyle_class epydoc.apidoc.ClassDoc.is_type epydoc.apidoc.ClassDoc.mro epydoc.apidoc.ClassDoc.select_variables epydoc.apidoc.ClassDoc epydoc.apidoc.ClassMethodDoc epydoc.apidoc.DocIndex.__init__ epydoc.apidoc.DocIndex._get epydoc.apidoc.DocIndex._get_from epydoc.apidoc.DocIndex._get_module_classes epydoc.apidoc.DocIndex._update_funcid_to_doc epydoc.apidoc.DocIndex.container epydoc.apidoc.DocIndex.find epydoc.apidoc.DocIndex.get_valdoc epydoc.apidoc.DocIndex.get_vardoc epydoc.apidoc.DocIndex.reachable_valdocs epydoc.apidoc.DocIndex.read_profiling_info epydoc.apidoc.DocIndex epydoc.apidoc.DottedName.InvalidDottedName epydoc.apidoc.DottedName.__add__ epydoc.apidoc.DottedName.__cmp__ epydoc.apidoc.DottedName.__getitem__ epydoc.apidoc.DottedName.__hash__ epydoc.apidoc.DottedName.__init__ epydoc.apidoc.DottedName.__len__ epydoc.apidoc.DottedName.__radd__ epydoc.apidoc.DottedName.__repr__ epydoc.apidoc.DottedName.__str__ epydoc.apidoc.DottedName.container epydoc.apidoc.DottedName.contextualize epydoc.apidoc.DottedName.dominates epydoc.apidoc.DottedName epydoc.apidoc.GenericValueDoc.is_detailed epydoc.apidoc.GenericValueDoc epydoc.apidoc.ModuleDoc.apidoc_links epydoc.apidoc.ModuleDoc.init_submodule_groups epydoc.apidoc.ModuleDoc.select_variables epydoc.apidoc.ModuleDoc epydoc.apidoc.NamespaceDoc.__init__ epydoc.apidoc.NamespaceDoc._init_grouping epydoc.apidoc.NamespaceDoc.apidoc_links epydoc.apidoc.NamespaceDoc.group_names epydoc.apidoc.NamespaceDoc.init_sorted_variables epydoc.apidoc.NamespaceDoc.init_variable_groups epydoc.apidoc.NamespaceDoc.is_detailed epydoc.apidoc.NamespaceDoc.report_unused_groups epydoc.apidoc.NamespaceDoc epydoc.apidoc.PropertyDoc.apidoc_links epydoc.apidoc.PropertyDoc.is_detailed epydoc.apidoc.PropertyDoc epydoc.apidoc.RoutineDoc.all_args epydoc.apidoc.RoutineDoc.is_detailed epydoc.apidoc.RoutineDoc epydoc.apidoc.StaticMethodDoc epydoc.apidoc.ValueDoc.__getstate__ epydoc.apidoc.ValueDoc.__repr__ epydoc.apidoc.ValueDoc.__setstate__ epydoc.apidoc.ValueDoc.apidoc_links epydoc.apidoc.ValueDoc.pyval_repr epydoc.apidoc.ValueDoc.summary_pyval_repr epydoc.apidoc.ValueDoc epydoc.apidoc.VariableDoc.__init__ epydoc.apidoc.VariableDoc.__repr__ epydoc.apidoc.VariableDoc._get_defining_module epydoc.apidoc.VariableDoc.apidoc_links epydoc.apidoc.VariableDoc.is_detailed epydoc.apidoc.VariableDoc epydoc.apidoc._Sentinel.__init__ epydoc.apidoc._Sentinel.__nonzero__ epydoc.apidoc._Sentinel.__repr__ epydoc.apidoc._Sentinel epydoc.apidoc
Deserialize to Object
>>> from epyparse import objectify >>> obj = objectify('TESTOUT/epydoc.apidoc.APIDoc.merge_and_overwrite')
The returned Object type is a dict subclass:
>>> sorted(obj.keys()) [u'args', u'attributes', u'fullname', u'is_method', u'lineno', u'params', 'src', u'type']
with attribute-style access:
>>> obj.args [u'self', u'other'] >>> obj.is_method True >>> obj.lineno * 0 0 >>> obj.params [[u'ignore_hash_conflict', False]] >>> obj.name u'merge_and_overwrite'
Object.parent gives the name of the parent object, if any:
>>> obj.parent u'epydoc.apidoc.APIDoc'
And, because we have serialized the parent to the same directory, we can retrieve it with the Object.get_parent method:
>>> parent = obj.get_parent() >>> parent.fullname u'epydoc.apidoc.APIDoc' >>> parent.type u'class' >>> parent.name u'APIDoc'
Similarly, Object.members returns the names of the object’s members, if any:
>>> for name in sorted(parent.members): ... print parent.fullname + '.' + name epydoc.apidoc.APIDoc.__cmp__ epydoc.apidoc.APIDoc.__hash__ epydoc.apidoc.APIDoc.__init__ epydoc.apidoc.APIDoc.__repr__ epydoc.apidoc.APIDoc._debug_setattr epydoc.apidoc.APIDoc._debug_setattr epydoc.apidoc.APIDoc.apidoc_links epydoc.apidoc.APIDoc.is_detailed epydoc.apidoc.APIDoc.merge_and_overwrite epydoc.apidoc.APIDoc.pp epydoc.apidoc.APIDoc.pp epydoc.apidoc.APIDoc.specialize_to
and Object.get_members deserializes each member:
>>> for child in sorted(parent.get_members(), key=lambda d: d['fullname']): ... print child.type, ' -> ', child.name function -> __cmp__ function -> __hash__ function -> __init__ function -> __repr__ alias -> _debug_setattr alias -> _debug_setattr function -> apidoc_links function -> is_detailed function -> merge_and_overwrite function -> pp function -> pp function -> specialize_to
Introspection - inspect vs. Inspector
>>> import inspect >>> from epydoc.apidoc import APIDoc >>> from epyparse import Inspector >>> merge_and_overwrite_obj = obj >>> APIDoc_obj = parent
argspec (not identical but good enough for displaying the function signature):
>>> inspect.getargspec(APIDoc.merge_and_overwrite) ArgSpec(args=['self', 'other', 'ignore_hash_conflict'], varargs=None, keywords=None, defaults=(False,)) >>> Inspector.getargspec(merge_and_overwrite_obj) ArgSpec(args=[u'self', u'other', u'ignore_hash_conflict'], varargs=None, keywords=None, defaults=(False,)) >>> inspect.getargspec(APIDoc.apidoc_links) ArgSpec(args=['self'], varargs=None, keywords='filters', defaults=None) >>> Inspector.getargspec(APIDoc_obj.get_member('apidoc_links')) ArgSpec(args=[u'self'], varargs=None, keywords=u'filters', defaults=None)
hasattr:
>>> hasattr(APIDoc, 'merge_and_overwrite') True >>> Inspector.hasattr(APIDoc_obj, 'merge_and_overwrite') True >>> Inspector.hasattr(APIDoc_obj, 'somethingsomethingorangessomething') False
dir
>>> dir(merge_and_overwrite_obj) ['__dict__', u'__doc__', u'__name__'] >>> sorted(dir(APIDoc_obj))[:7] [u'__cmp__', '__dict__', u'__doc__', u'__hash__', u'__init__', u'__name__', u'__repr__'] >>> sorted(dir(APIDoc_obj))[7:13] [u'_debug_setattr', u'_debug_setattr', u'apidoc_links', u'is_detailed', u'merge_and_overwrite', u'pp'] >>> module_obj = objectify('TESTOUT/epydoc.apidoc') >>> sorted(dir(module_obj))[:7] [u'APIDoc', u'ClassDoc', u'ClassMethodDoc', u'DocIndex', u'DottedName', u'GenericValueDoc', u'ModuleDoc']
__doc__
>>> hasattr(APIDoc.merge_and_overwrite, '__doc__') True >>> hasattr(merge_and_overwrite_obj, '__doc__') True >>> Inspector.hasattr(merge_and_overwrite_obj, '__doc__') True >>> actual = ''.join( ... s.strip() for s in APIDoc.merge_and_overwrite.__doc__.splitlines() if s.strip() ... ) ... >>> serialized = ''.join( ... s.strip() for s in merge_and_overwrite_obj.__doc__.splitlines() if s.strip() ... ) ... >>> assert len(actual) and len(serialized) >>> assert actual == serialized
__dict__
>>> Inspector.hasattr(merge_and_overwrite_obj, '__dict__') True >>> d = Inspector.getattr(merge_and_overwrite_obj, '__dict__') >>> d['__name__'] u'merge_and_overwrite' >>> print d['__doc__'] #doctest: +ELLIPSIS Combine C{self} and C{other} into a X{merged object}, such that any changes made to one will affect the other. Any...
Base classes
Tidy up:
>>> import shutil >>> shutil.rmtree('TESTOUT')
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