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authorTorsten Marek <shlomme@gmail.com>2014-11-08 23:47:14 +0100
committerTorsten Marek <shlomme@gmail.com>2014-11-08 23:47:14 +0100
commit477b5ee2a3d0594504ca9fc2fe0f0f9cbeccd01b (patch)
tree532231f1ecb5df4b4af6d3c12c91b684c8629673 /inspector.py
parente10cd03c08aaf46308504330b180107e421350d6 (diff)
downloadastroid-git-477b5ee2a3d0594504ca9fc2fe0f0f9cbeccd01b.tar.gz
Move all astroid modules into a its own directory, which is now the package.
python setup.py develop now works.
Diffstat (limited to 'inspector.py')
-rw-r--r--inspector.py273
1 files changed, 0 insertions, 273 deletions
diff --git a/inspector.py b/inspector.py
deleted file mode 100644
index 1fc31926..00000000
--- a/inspector.py
+++ /dev/null
@@ -1,273 +0,0 @@
-# copyright 2003-2013 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
-# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
-#
-# This file is part of astroid.
-#
-# astroid is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as published by the
-# Free Software Foundation, either version 2.1 of the License, or (at your
-# option) any later version.
-#
-# astroid is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
-# for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License along
-# with astroid. If not, see <http://www.gnu.org/licenses/>.
-"""visitor doing some postprocessing on the astroid tree.
-Try to resolve definitions (namespace) dictionary, relationship...
-
-This module has been imported from pyreverse
-"""
-
-__docformat__ = "restructuredtext en"
-
-from os.path import dirname
-
-import astroid
-from astroid.exceptions import InferenceError
-from astroid.utils import LocalsVisitor
-from astroid.modutils import get_module_part, is_relative, is_standard_module
-
-class IdGeneratorMixIn(object):
- """
- Mixin adding the ability to generate integer uid
- """
- def __init__(self, start_value=0):
- self.id_count = start_value
-
- def init_counter(self, start_value=0):
- """init the id counter
- """
- self.id_count = start_value
-
- def generate_id(self):
- """generate a new identifier
- """
- self.id_count += 1
- return self.id_count
-
-
-class Linker(IdGeneratorMixIn, LocalsVisitor):
- """
- walk on the project tree and resolve relationships.
-
- According to options the following attributes may be added to visited nodes:
-
- * uid,
- a unique identifier for the node (on astroid.Project, astroid.Module,
- astroid.Class and astroid.locals_type). Only if the linker has been instantiated
- with tag=True parameter (False by default).
-
- * Function
- a mapping from locals names to their bounded value, which may be a
- constant like a string or an integer, or an astroid node (on astroid.Module,
- astroid.Class and astroid.Function).
-
- * instance_attrs_type
- as locals_type but for klass member attributes (only on astroid.Class)
-
- * implements,
- list of implemented interface _objects_ (only on astroid.Class nodes)
- """
-
- def __init__(self, project, inherited_interfaces=0, tag=False):
- IdGeneratorMixIn.__init__(self)
- LocalsVisitor.__init__(self)
- # take inherited interface in consideration or not
- self.inherited_interfaces = inherited_interfaces
- # tag nodes or not
- self.tag = tag
- # visited project
- self.project = project
-
-
- def visit_project(self, node):
- """visit an astroid.Project node
-
- * optionally tag the node with a unique id
- """
- if self.tag:
- node.uid = self.generate_id()
- for module in node.modules:
- self.visit(module)
-
- def visit_package(self, node):
- """visit an astroid.Package node
-
- * optionally tag the node with a unique id
- """
- if self.tag:
- node.uid = self.generate_id()
- for subelmt in node.values():
- self.visit(subelmt)
-
- def visit_module(self, node):
- """visit an astroid.Module node
-
- * set the locals_type mapping
- * set the depends mapping
- * optionally tag the node with a unique id
- """
- if hasattr(node, 'locals_type'):
- return
- node.locals_type = {}
- node.depends = []
- if self.tag:
- node.uid = self.generate_id()
-
- def visit_class(self, node):
- """visit an astroid.Class node
-
- * set the locals_type and instance_attrs_type mappings
- * set the implements list and build it
- * optionally tag the node with a unique id
- """
- if hasattr(node, 'locals_type'):
- return
- node.locals_type = {}
- if self.tag:
- node.uid = self.generate_id()
- # resolve ancestors
- for baseobj in node.ancestors(recurs=False):
- specializations = getattr(baseobj, 'specializations', [])
- specializations.append(node)
- baseobj.specializations = specializations
- # resolve instance attributes
- node.instance_attrs_type = {}
- for assattrs in node.instance_attrs.values():
- for assattr in assattrs:
- self.handle_assattr_type(assattr, node)
- # resolve implemented interface
- try:
- node.implements = list(node.interfaces(self.inherited_interfaces))
- except InferenceError:
- node.implements = ()
-
- def visit_function(self, node):
- """visit an astroid.Function node
-
- * set the locals_type mapping
- * optionally tag the node with a unique id
- """
- if hasattr(node, 'locals_type'):
- return
- node.locals_type = {}
- if self.tag:
- node.uid = self.generate_id()
-
- link_project = visit_project
- link_module = visit_module
- link_class = visit_class
- link_function = visit_function
-
- def visit_assname(self, node):
- """visit an astroid.AssName node
-
- handle locals_type
- """
- # avoid double parsing done by different Linkers.visit
- # running over the same project:
- if hasattr(node, '_handled'):
- return
- node._handled = True
- if node.name in node.frame():
- frame = node.frame()
- else:
- # the name has been defined as 'global' in the frame and belongs
- # there. Btw the frame is not yet visited as the name is in the
- # root locals; the frame hence has no locals_type attribute
- frame = node.root()
- try:
- values = node.infered()
- try:
- already_infered = frame.locals_type[node.name]
- for valnode in values:
- if not valnode in already_infered:
- already_infered.append(valnode)
- except KeyError:
- frame.locals_type[node.name] = values
- except astroid.InferenceError:
- pass
-
- def handle_assattr_type(self, node, parent):
- """handle an astroid.AssAttr node
-
- handle instance_attrs_type
- """
- try:
- values = list(node.infer())
- try:
- already_infered = parent.instance_attrs_type[node.attrname]
- for valnode in values:
- if not valnode in already_infered:
- already_infered.append(valnode)
- except KeyError:
- parent.instance_attrs_type[node.attrname] = values
- except astroid.InferenceError:
- pass
-
- def visit_import(self, node):
- """visit an astroid.Import node
-
- resolve module dependencies
- """
- context_file = node.root().file
- for name in node.names:
- relative = is_relative(name[0], context_file)
- self._imported_module(node, name[0], relative)
-
-
- def visit_from(self, node):
- """visit an astroid.From node
-
- resolve module dependencies
- """
- basename = node.modname
- context_file = node.root().file
- if context_file is not None:
- relative = is_relative(basename, context_file)
- else:
- relative = False
- for name in node.names:
- if name[0] == '*':
- continue
- # analyze dependencies
- fullname = '%s.%s' % (basename, name[0])
- if fullname.find('.') > -1:
- try:
- # XXX: don't use get_module_part, missing package precedence
- fullname = get_module_part(fullname, context_file)
- except ImportError:
- continue
- if fullname != basename:
- self._imported_module(node, fullname, relative)
-
-
- def compute_module(self, context_name, mod_path):
- """return true if the module should be added to dependencies"""
- package_dir = dirname(self.project.path)
- if context_name == mod_path:
- return 0
- elif is_standard_module(mod_path, (package_dir,)):
- return 1
- return 0
-
- # protected methods ########################################################
-
- def _imported_module(self, node, mod_path, relative):
- """notify an imported module, used to analyze dependencies
- """
- module = node.root()
- context_name = module.name
- if relative:
- mod_path = '%s.%s' % ('.'.join(context_name.split('.')[:-1]),
- mod_path)
- if self.compute_module(context_name, mod_path):
- # handle dependencies
- if not hasattr(module, 'depends'):
- module.depends = []
- mod_paths = module.depends
- if not mod_path in mod_paths:
- mod_paths.append(mod_path)