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# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# This program 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 General Public License for more details
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""Interfaces for PyLint objects"""
from logilab.common.interface import Interface
class IChecker(Interface):
"""This is an base interface, not designed to be used elsewhere than for
sub interfaces definition.
"""
def open(self):
"""called before visiting project (i.e set of modules)"""
def close(self):
"""called after visiting project (i.e set of modules)"""
class IRawChecker(IChecker):
"""interface for checker which need to parse the raw file
"""
def process_module(self, astroid):
""" process a module
the module's content is accessible via astroid.file_stream
"""
class ITokenChecker(IChecker):
"""Interface for checkers that need access to the token list."""
def process_tokens(self, tokens):
"""Process a module.
tokens is a list of all source code tokens in the file.
"""
class IAstroidChecker(IChecker):
""" interface for checker which prefers receive events according to
statement type
"""
class IReporter(Interface):
""" reporter collect messages and display results encapsulated in a layout
"""
def add_message(self, msg_id, location, msg):
"""add a message of a given type
msg_id is a message identifier
location is a 3-uple (module, object, line)
msg is the actual message
"""
def display_results(self, layout):
"""display results encapsulated in the layout tree
"""
__all__ = ('IRawChecker', 'IAstroidChecker', 'ITokenChecker', 'IReporter')
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