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91 Zeilen
2.9 KiB
91 Zeilen
2.9 KiB
import sys
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import types
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from pydoc import safeimport, resolve, ErrorDuringImport
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from pkgutil import iter_modules
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from elpy import compat
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# Types we want to recurse into (nodes).
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CONTAINER_TYPES = (type, types.ModuleType)
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# Types of attributes we can get documentation for (leaves).
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PYDOC_TYPES = (type,
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types.FunctionType,
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types.BuiltinFunctionType,
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types.BuiltinMethodType,
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types.MethodType,
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types.ModuleType)
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if not compat.PYTHON3: # pragma: nocover
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# Python 2 old style classes
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CONTAINER_TYPES = tuple(list(CONTAINER_TYPES) + [types.ClassType])
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PYDOC_TYPES = tuple(list(PYDOC_TYPES) + [types.ClassType])
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def get_pydoc_completions(modulename):
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"""Get possible completions for modulename for pydoc.
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Returns a list of possible values to be passed to pydoc.
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"""
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modulename = compat.ensure_not_unicode(modulename)
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modulename = modulename.rstrip(".")
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if modulename == "":
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return sorted(get_modules())
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candidates = get_completions(modulename)
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if candidates:
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return sorted(candidates)
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needle = modulename
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if "." in needle:
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modulename, part = needle.rsplit(".", 1)
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candidates = get_completions(modulename)
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else:
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candidates = get_modules()
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return sorted(candidate for candidate in candidates
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if candidate.startswith(needle))
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def get_completions(modulename):
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modules = set("{0}.{1}".format(modulename, module)
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for module in get_modules(modulename))
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try:
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module, name = resolve(modulename)
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except ImportError:
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return modules
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if isinstance(module, CONTAINER_TYPES):
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modules.update("{0}.{1}".format(modulename, name)
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for name in dir(module)
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if not name.startswith("_") and
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isinstance(getattr(module, name),
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PYDOC_TYPES))
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return modules
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def get_modules(modulename=None):
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"""Return a list of modules and packages under modulename.
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If modulename is not given, return a list of all top level modules
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and packages.
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"""
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modulename = compat.ensure_not_unicode(modulename)
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if not modulename:
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try:
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return ([modname for (importer, modname, ispkg)
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in iter_modules()
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if not modname.startswith("_")] +
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list(sys.builtin_module_names))
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except OSError:
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# Bug in Python 2.6, see #275
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return list(sys.builtin_module_names)
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try:
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module = safeimport(modulename)
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except ErrorDuringImport:
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return []
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if module is None:
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return []
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if hasattr(module, "__path__"):
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return [modname for (importer, modname, ispkg)
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in iter_modules(module.__path__)
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if not modname.startswith("_")]
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return []
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