git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33904 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			898 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			898 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
#!/usr/bin/env python
 | 
						|
 | 
						|
# Copyright (c) 2001-2004, MetaSlash Inc.  All rights reserved.
 | 
						|
 | 
						|
"""
 | 
						|
Copyright notice from pychecker:
 | 
						|
    
 | 
						|
Copyright (c) 2000-2001, MetaSlash Inc.
 | 
						|
All rights reserved.
 | 
						|
 | 
						|
Redistribution and use in source and binary forms, with or without
 | 
						|
modification, are permitted provided that the following conditions are
 | 
						|
met:
 | 
						|
 | 
						|
 - Redistributions of source code must retain the above copyright
 | 
						|
   notice, this list of conditions and the following disclaimer.
 | 
						|
 | 
						|
 - Redistributions in binary form must reproduce the above copyright
 | 
						|
   notice, this list of conditions and the following disclaimer in the
 | 
						|
   documentation and/or other materials provided with the
 | 
						|
   distribution.
 | 
						|
 | 
						|
 - Neither name of MetaSlash Inc. nor the names of contributors
 | 
						|
   may be used to endorse or promote products derived
 | 
						|
   from this software without specific prior written permission.
 | 
						|
 | 
						|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 | 
						|
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 | 
						|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 | 
						|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
 | 
						|
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 | 
						|
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 | 
						|
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 | 
						|
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 | 
						|
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 | 
						|
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | 
						|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | 
						|
"""
 | 
						|
 | 
						|
 | 
						|
"""
 | 
						|
Check python source code files for possible errors and print warnings
 | 
						|
 | 
						|
Contact Info:
 | 
						|
  http://pychecker.sourceforge.net/
 | 
						|
  pychecker-list@lists.sourceforge.net
 | 
						|
"""
 | 
						|
 | 
						|
import string
 | 
						|
import types
 | 
						|
import sys
 | 
						|
import imp
 | 
						|
import os
 | 
						|
import glob
 | 
						|
import traceback
 | 
						|
import re
 | 
						|
import wx
 | 
						|
_ = wx.GetTranslation
 | 
						|
 | 
						|
# see __init__.py for meaning, this must match the version there
 | 
						|
LOCAL_MAIN_VERSION = 1
 | 
						|
 | 
						|
 | 
						|
def setupNamespace(path) :
 | 
						|
    # remove pychecker if it's the first component, it needs to be last
 | 
						|
    if sys.path[0][-9:] == 'pychecker' :
 | 
						|
        del sys.path[0]
 | 
						|
 | 
						|
    # make sure pychecker is last in path, so we can import
 | 
						|
    checker_path = os.path.dirname(os.path.dirname(path))
 | 
						|
    if checker_path not in sys.path :
 | 
						|
        sys.path.append(checker_path)
 | 
						|
 | 
						|
if __name__ == '__main__' :
 | 
						|
    setupNamespace(sys.argv[0])
 | 
						|
 | 
						|
from pychecker import utils
 | 
						|
from pychecker import printer
 | 
						|
from pychecker import warn
 | 
						|
from pychecker import OP
 | 
						|
from pychecker import Config
 | 
						|
from pychecker import function
 | 
						|
from pychecker.Warning import Warning
 | 
						|
 | 
						|
# Globals for storing a dictionary of info about modules and classes
 | 
						|
_allModules = {}
 | 
						|
_cfg = None
 | 
						|
 | 
						|
# Constants
 | 
						|
_DEFAULT_MODULE_TOKENS = ('__builtins__', '__doc__', '__file__', '__name__',
 | 
						|
                          '__path__')
 | 
						|
_DEFAULT_CLASS_TOKENS = ('__doc__', '__name__', '__module__')
 | 
						|
 | 
						|
_VERSION_MISMATCH_ERROR = '''
 | 
						|
There seem to be two versions of PyChecker being used.
 | 
						|
One is probably in python/site-packages, the other in a local directory.
 | 
						|
If you want to run the local version, you must remove the version
 | 
						|
from site-packages.  Or you can install the current version
 | 
						|
by doing python setup.py install.
 | 
						|
'''
 | 
						|
 | 
						|
def cfg() :
 | 
						|
    return utils.cfg()
 | 
						|
 | 
						|
def _flattenList(list) :
 | 
						|
    "Returns a list which contains no lists"
 | 
						|
 | 
						|
    new_list = []
 | 
						|
    for element in list :
 | 
						|
        if type(element) == types.ListType :
 | 
						|
            new_list.extend(_flattenList(element))
 | 
						|
        else :
 | 
						|
            new_list.append(element)
 | 
						|
 | 
						|
    return new_list
 | 
						|
 | 
						|
def getModules(arg_list) :
 | 
						|
    "Returns a list of module names that can be imported"
 | 
						|
 | 
						|
    global _output
 | 
						|
    
 | 
						|
    new_arguments = []
 | 
						|
    for arg in arg_list :
 | 
						|
        # is this a wildcard filespec? (necessary for windows)
 | 
						|
        if '*' in arg or '?' in arg or '[' in arg :
 | 
						|
            arg = glob.glob(arg)
 | 
						|
        new_arguments.append(arg)
 | 
						|
 | 
						|
    PY_SUFFIXES = ['.py']
 | 
						|
    PY_SUFFIX_LENS = [3]
 | 
						|
    if _cfg.quixote:
 | 
						|
        PY_SUFFIXES.append('.ptl')
 | 
						|
        PY_SUFFIX_LENS.append(4)
 | 
						|
        
 | 
						|
    modules = []
 | 
						|
    for arg in _flattenList(new_arguments) :
 | 
						|
        fullpath = arg
 | 
						|
        # is it a .py file?
 | 
						|
        for suf, suflen in zip(PY_SUFFIXES, PY_SUFFIX_LENS):
 | 
						|
            if len(arg) > suflen and arg[-suflen:] == suf:
 | 
						|
                arg_dir = os.path.dirname(arg)
 | 
						|
                if arg_dir and not os.path.exists(arg) :
 | 
						|
                    txt = _('File or pathname element does not exist: "%s"') % arg
 | 
						|
                    _output.AddLines(txt)
 | 
						|
                    continue
 | 
						|
 | 
						|
                module_name = os.path.basename(arg)[:-suflen]
 | 
						|
                if arg_dir not in sys.path :
 | 
						|
                    sys.path.insert(0, arg_dir)
 | 
						|
                arg = module_name
 | 
						|
        modules.append((arg, fullpath))
 | 
						|
 | 
						|
    return modules
 | 
						|
 | 
						|
def _q_file(f):
 | 
						|
    # crude hack!!!
 | 
						|
    # imp.load_module requires a real file object, so we can't just
 | 
						|
    # fiddle def lines and yield them
 | 
						|
    import tempfile
 | 
						|
    fd, newfname = tempfile.mkstemp(suffix=".py", text=True)
 | 
						|
    newf = os.fdopen(fd, 'r+')
 | 
						|
    os.unlink(newfname)
 | 
						|
    for line in f:
 | 
						|
        mat = re.match(r'(\s*def\s+\w+\s*)\[(html|plain)\](.*)', line)
 | 
						|
        if mat is None:
 | 
						|
            newf.write(line)
 | 
						|
        else:
 | 
						|
            newf.write(mat.group(1)+mat.group(3)+'\n')
 | 
						|
    newf.seek(0)
 | 
						|
    return newf
 | 
						|
 | 
						|
def _q_find_module(p, path):
 | 
						|
    if not _cfg.quixote:
 | 
						|
        return imp.find_module(p, path)
 | 
						|
    else:
 | 
						|
        for direc in path:
 | 
						|
            try:
 | 
						|
                return imp.find_module(p, [direc])
 | 
						|
            except ImportError:
 | 
						|
                f = os.path.join(direc, p+".ptl")
 | 
						|
                if os.path.exists(f):
 | 
						|
                    return _q_file(file(f)), f, ('.ptl', 'U', 1)
 | 
						|
 | 
						|
def _findModule(name) :
 | 
						|
    """Returns the result of an imp.find_module(), ie, (file, filename, smt)
 | 
						|
       name can be a module or a package name.  It is *not* a filename."""
 | 
						|
 | 
						|
    path = sys.path[:]
 | 
						|
    packages = string.split(name, '.')
 | 
						|
    for p in packages :
 | 
						|
        # smt = (suffix, mode, type)
 | 
						|
        file, filename, smt = _q_find_module(p, path)
 | 
						|
        if smt[-1] == imp.PKG_DIRECTORY :
 | 
						|
            try :
 | 
						|
                # package found - read path info from init file
 | 
						|
                m = imp.load_module(p, file, filename, smt)
 | 
						|
            finally :
 | 
						|
                if file is not None :
 | 
						|
                    file.close()
 | 
						|
 | 
						|
            # importing xml plays a trick, which replaces itself with _xmlplus
 | 
						|
            # both have subdirs w/same name, but different modules in them
 | 
						|
            # we need to choose the real (replaced) version
 | 
						|
            if m.__name__ != p :
 | 
						|
                try :
 | 
						|
                    file, filename, smt = _q_find_module(m.__name__, path)
 | 
						|
                    m = imp.load_module(p, file, filename, smt)
 | 
						|
                finally :
 | 
						|
                    if file is not None :
 | 
						|
                        file.close()
 | 
						|
 | 
						|
            new_path = m.__path__
 | 
						|
            if type(new_path) == types.ListType :
 | 
						|
                new_path = filename
 | 
						|
            if new_path not in path :
 | 
						|
                path.insert(1, new_path)
 | 
						|
        elif smt[-1] != imp.PY_COMPILED:
 | 
						|
            if p is not packages[-1] :
 | 
						|
                if file is not None :
 | 
						|
                    file.close()
 | 
						|
                raise ImportError, "No module named %s" % packages[-1]
 | 
						|
            return file, filename, smt
 | 
						|
 | 
						|
    # in case we have been given a package to check
 | 
						|
    return file, filename, smt
 | 
						|
 | 
						|
 | 
						|
class Variable :
 | 
						|
    "Class to hold all information about a variable"
 | 
						|
 | 
						|
    def __init__(self, name, type):
 | 
						|
        self.name = name
 | 
						|
        self.type = type
 | 
						|
        self.value = None
 | 
						|
 | 
						|
    def __str__(self) :
 | 
						|
        return self.name
 | 
						|
 | 
						|
    __repr__ = utils.std_repr
 | 
						|
 | 
						|
 | 
						|
def _filterDir(object, ignoreList) :
 | 
						|
    "Return a list of tokens (attributes) in a class, except for ignoreList"
 | 
						|
 | 
						|
    tokens = dir(object)
 | 
						|
    for token in ignoreList :
 | 
						|
        if token in tokens :
 | 
						|
            tokens.remove(token)
 | 
						|
    return tokens
 | 
						|
 | 
						|
def _getClassTokens(c) :
 | 
						|
    return _filterDir(c, _DEFAULT_CLASS_TOKENS)
 | 
						|
 | 
						|
 | 
						|
class Class :
 | 
						|
    "Class to hold all information about a class"
 | 
						|
 | 
						|
    def __init__(self, name, module) :
 | 
						|
        self.name = name
 | 
						|
        self.classObject = getattr(module, name)
 | 
						|
 | 
						|
        modname = getattr(self.classObject, '__module__', None)
 | 
						|
        if modname is None:
 | 
						|
            # hm, some ExtensionClasses don't have a __module__ attribute
 | 
						|
            # so try parsing the type output
 | 
						|
            typerepr = repr(type(self.classObject))
 | 
						|
            mo = re.match("^<type ['\"](.+)['\"]>$", typerepr)
 | 
						|
            if mo:
 | 
						|
                modname = ".".join(mo.group(1).split(".")[:-1])
 | 
						|
 | 
						|
        self.module = sys.modules.get(modname)
 | 
						|
        if not self.module:
 | 
						|
            self.module = module
 | 
						|
            
 | 
						|
            global _output
 | 
						|
            txt = _("warning: couldn't find real module for class %s (module name: %s)\n") % (self.classObject, modname)
 | 
						|
            _output.AddLines(txt)
 | 
						|
            
 | 
						|
        self.ignoreAttrs = 0
 | 
						|
        self.methods = {}
 | 
						|
        self.members = { '__class__': types.ClassType,
 | 
						|
                         '__doc__': types.StringType,
 | 
						|
                         '__dict__': types.DictType, }
 | 
						|
        self.memberRefs = {}
 | 
						|
        self.statics = {}
 | 
						|
        self.lineNums = {}
 | 
						|
 | 
						|
    def __str__(self) :
 | 
						|
        return self.name
 | 
						|
 | 
						|
    __repr__ = utils.std_repr
 | 
						|
 | 
						|
    def getFirstLine(self) :
 | 
						|
        "Return first line we can find in THIS class, not any base classes"
 | 
						|
 | 
						|
        lineNums = []
 | 
						|
        classDir = dir(self.classObject)
 | 
						|
        for m in self.methods.values() :
 | 
						|
            if m != None and m.function.func_code.co_name in classDir:
 | 
						|
                lineNums.append(m.function.func_code.co_firstlineno)
 | 
						|
        if lineNums :
 | 
						|
            return min(lineNums)
 | 
						|
        return 0
 | 
						|
 | 
						|
 | 
						|
    def allBaseClasses(self, c = None) :
 | 
						|
        "Return a list of all base classes for this class and it's subclasses"
 | 
						|
 | 
						|
        baseClasses = []
 | 
						|
        if c == None :
 | 
						|
            c = self.classObject
 | 
						|
        for base in c.__bases__ :
 | 
						|
            baseClasses = baseClasses + [ base ] + self.allBaseClasses(base)
 | 
						|
        return baseClasses
 | 
						|
 | 
						|
    def __getMethodName(self, func_name, className = None) :
 | 
						|
        if func_name[0:2] == '__' and func_name[-2:] != '__' :
 | 
						|
            if className == None :
 | 
						|
                className = self.name
 | 
						|
            if className[0] != '_' :
 | 
						|
                className = '_' + className
 | 
						|
            func_name = className + func_name
 | 
						|
        return func_name
 | 
						|
 | 
						|
    def addMethod(self, method, methodName = None) :
 | 
						|
        if type(method) == types.StringType :
 | 
						|
            self.methods[method] = None
 | 
						|
        else :
 | 
						|
            assert methodName is not None, "must supply methodName"
 | 
						|
            self.methods[methodName] = function.Function(method, 1)
 | 
						|
                
 | 
						|
    def addMethods(self, classObject) :
 | 
						|
        for classToken in _getClassTokens(classObject) :
 | 
						|
            token = getattr(classObject, classToken, None)
 | 
						|
            if token is None:
 | 
						|
                continue
 | 
						|
 | 
						|
            # Looks like a method.  Need to code it this way to
 | 
						|
            # accommodate ExtensionClass and Python 2.2.  Yecchh.
 | 
						|
            if (hasattr(token, "func_code") and
 | 
						|
                hasattr(token.func_code, "co_argcount")): 
 | 
						|
                self.addMethod(token, token.__name__)
 | 
						|
 | 
						|
            elif hasattr(token, '__get__') and \
 | 
						|
                 not hasattr(token, '__set__') and \
 | 
						|
                 type(token) is not types.ClassType :
 | 
						|
                self.addMethod(getattr(token, '__name__', classToken))
 | 
						|
            else :
 | 
						|
                self.members[classToken] = type(token)
 | 
						|
                self.memberRefs[classToken] = None
 | 
						|
 | 
						|
        self.cleanupMemberRefs()
 | 
						|
        # add standard methods
 | 
						|
        for methodName in ('__class__',) :
 | 
						|
            self.addMethod(methodName, classObject.__name__)
 | 
						|
 | 
						|
    def addMembers(self, classObject) :
 | 
						|
        if not cfg().onlyCheckInitForMembers :
 | 
						|
            for classToken in _getClassTokens(classObject) :
 | 
						|
                method = getattr(classObject, classToken, None)
 | 
						|
                if type(method) == types.MethodType :
 | 
						|
                    self.addMembersFromMethod(method.im_func)
 | 
						|
        else:
 | 
						|
            try:
 | 
						|
                self.addMembersFromMethod(classObject.__init__.im_func)
 | 
						|
            except AttributeError:
 | 
						|
                pass
 | 
						|
 | 
						|
    def addMembersFromMethod(self, method) :
 | 
						|
        if not hasattr(method, 'func_code') :
 | 
						|
            return
 | 
						|
 | 
						|
        func_code, code, i, maxCode, extended_arg = OP.initFuncCode(method)
 | 
						|
        stack = []
 | 
						|
        while i < maxCode :
 | 
						|
            op, oparg, i, extended_arg = OP.getInfo(code, i, extended_arg)
 | 
						|
            if op >= OP.HAVE_ARGUMENT :
 | 
						|
                operand = OP.getOperand(op, func_code, oparg)
 | 
						|
                if OP.LOAD_CONST(op) or OP.LOAD_FAST(op) :
 | 
						|
                    stack.append(operand)
 | 
						|
                elif OP.STORE_ATTR(op) :
 | 
						|
                    if len(stack) > 0 :
 | 
						|
                        if stack[-1] == cfg().methodArgName:
 | 
						|
                            value = None
 | 
						|
                            if len(stack) > 1 :
 | 
						|
                                value = type(stack[-2])
 | 
						|
                            self.members[operand] = value
 | 
						|
                            self.memberRefs[operand] = None
 | 
						|
                        stack = []
 | 
						|
 | 
						|
        self.cleanupMemberRefs()
 | 
						|
 | 
						|
    def cleanupMemberRefs(self) :
 | 
						|
        try :
 | 
						|
            del self.memberRefs[Config.CHECKER_VAR]
 | 
						|
        except KeyError :
 | 
						|
            pass
 | 
						|
 | 
						|
    def abstractMethod(self, m):
 | 
						|
        """Return 1 if method is abstract, None if not
 | 
						|
           An abstract method always raises an exception.
 | 
						|
        """
 | 
						|
        if not self.methods.get(m, None):
 | 
						|
            return None
 | 
						|
        func_code, bytes, i, maxCode, extended_arg = \
 | 
						|
                   OP.initFuncCode(self.methods[m].function)
 | 
						|
        # abstract if the first conditional is RAISE_VARARGS
 | 
						|
        while i < maxCode:
 | 
						|
            op, oparg, i, extended_arg = OP.getInfo(bytes, i, extended_arg)
 | 
						|
            if OP.RAISE_VARARGS(op):
 | 
						|
                return 1
 | 
						|
            if OP.conditional(op):
 | 
						|
                break
 | 
						|
        return None
 | 
						|
 | 
						|
    def isAbstract(self):
 | 
						|
        """Return the method names that make a class abstract.
 | 
						|
           An abstract class has at least one abstract method."""
 | 
						|
        result = []
 | 
						|
        for m in self.methods.keys():
 | 
						|
            if self.abstractMethod(m):
 | 
						|
                result.append(m)
 | 
						|
        return result
 | 
						|
 | 
						|
def _getLineInFile(moduleName, linenum):
 | 
						|
    line = ''
 | 
						|
    file, filename, smt = _findModule(moduleName)
 | 
						|
    try:
 | 
						|
        lines = file.readlines()
 | 
						|
        line = string.rstrip(lines[linenum - 1])
 | 
						|
    except (IOError, IndexError):
 | 
						|
        pass
 | 
						|
    file.close()
 | 
						|
    return line
 | 
						|
 | 
						|
def importError(moduleName):
 | 
						|
    exc_type, exc_value, tb = sys.exc_info()
 | 
						|
 | 
						|
    # First, try to get a nice-looking name for this exception type.
 | 
						|
    exc_name = getattr(exc_type, '__name__', None)
 | 
						|
    if not exc_name:
 | 
						|
        # either it's a string exception or a user-defined exception class
 | 
						|
        # show string or fully-qualified class name
 | 
						|
        exc_name = str(exc_type)
 | 
						|
        
 | 
						|
    # Print a traceback, unless this is an ImportError.  ImportError is
 | 
						|
    # presumably the most common import-time exception, so this saves
 | 
						|
    # the clutter of a traceback most of the time.  Also, the locus of
 | 
						|
    # the error is usually irrelevant for ImportError, so the lack of
 | 
						|
    # traceback shouldn't be a problem.
 | 
						|
    if exc_type is SyntaxError:
 | 
						|
        # SyntaxErrors are special, we want to control how we format
 | 
						|
        # the output and make it consistent for all versions of Python
 | 
						|
        e = exc_value
 | 
						|
        msg = '%s (%s, line %d)' % (e.msg, e.filename, e.lineno)
 | 
						|
        line = _getLineInFile(moduleName, e.lineno)
 | 
						|
        offset = e.offset
 | 
						|
        if type(offset) is not types.IntType:
 | 
						|
            offset = 0
 | 
						|
        exc_value = '%s\n    %s\n   %s^' % (msg, line, ' ' * offset)
 | 
						|
    elif exc_type is not ImportError:
 | 
						|
        global _output
 | 
						|
        txt = _("  Caught exception importing module %s:\n") % moduleName
 | 
						|
        _output.AddLines(txt)
 | 
						|
 | 
						|
        try:
 | 
						|
            tbinfo = traceback.extract_tb(tb)
 | 
						|
        except:
 | 
						|
            tbinfo = []
 | 
						|
            txt = _("      Unable to format traceback\n")
 | 
						|
            _output.AddLines(txt)
 | 
						|
        for filename, line, func, text in tbinfo[1:]:
 | 
						|
            txt = _("    File \"%s\", line %d") % (filename, line)
 | 
						|
            _output.AddLines(txt)
 | 
						|
            if func != "?":
 | 
						|
                txt = _(", in %s()") % func
 | 
						|
                _output.AddLines(txt)
 | 
						|
            _output.AddLines("\n")
 | 
						|
            if text:
 | 
						|
                txt = _("      %s\n") % text
 | 
						|
                _output.AddLines(txt)
 | 
						|
 | 
						|
    # And finally print the exception type and value.
 | 
						|
    # Careful formatting exc_value -- can fail for some user exceptions
 | 
						|
    txt = "  %s: " % exc_name
 | 
						|
    _output.AddLines(txt)
 | 
						|
    try:
 | 
						|
        txt = str(exc_value) + '\n'
 | 
						|
        _output.AddLines(txt)
 | 
						|
    except:
 | 
						|
        txt = _('**error formatting exception value**\n')
 | 
						|
        _output.AddLines(txt)
 | 
						|
 | 
						|
 | 
						|
def _getPyFile(filename):
 | 
						|
    """Return the file and '.py' filename from a filename which could
 | 
						|
    end with .py, .pyc, or .pyo"""
 | 
						|
 | 
						|
    if filename[-1] in 'oc' and filename[-4:-1] == '.py':
 | 
						|
        return filename[:-1]
 | 
						|
    return filename
 | 
						|
 | 
						|
class Module :
 | 
						|
    "Class to hold all information for a module"
 | 
						|
 | 
						|
    def __init__(self, moduleName, check = 1, fullpath = None) :
 | 
						|
        self.moduleName = moduleName
 | 
						|
        self.variables = {}
 | 
						|
        self.functions = {}
 | 
						|
        self.classes = {}
 | 
						|
        self.modules = {}
 | 
						|
        self.moduleLineNums = {}
 | 
						|
        self.attributes = [ '__dict__' ]
 | 
						|
        self.main_code = None
 | 
						|
        self.module = None
 | 
						|
        self.check = check
 | 
						|
        self.fullpath = fullpath
 | 
						|
        _allModules[moduleName] = self
 | 
						|
 | 
						|
    def __str__(self) :
 | 
						|
        return self.moduleName
 | 
						|
 | 
						|
    __repr__ = utils.std_repr
 | 
						|
 | 
						|
    def addVariable(self, var, varType) :
 | 
						|
        self.variables[var] = Variable(var, varType)
 | 
						|
 | 
						|
    def addFunction(self, func) :
 | 
						|
        self.functions[func.__name__] = function.Function(func)
 | 
						|
 | 
						|
    def __addAttributes(self, c, classObject) :
 | 
						|
        for base in classObject.__bases__ :
 | 
						|
            self.__addAttributes(c, base)
 | 
						|
        c.addMethods(classObject)
 | 
						|
        c.addMembers(classObject)
 | 
						|
 | 
						|
    def addClass(self, name) :
 | 
						|
        self.classes[name] = c = Class(name, self.module)
 | 
						|
        try:
 | 
						|
            objName = str(c.classObject)
 | 
						|
        except TypeError:
 | 
						|
            # this can happen if there is a goofy __getattr__
 | 
						|
            c.ignoreAttrs = 1
 | 
						|
        else:
 | 
						|
            packages = string.split(objName, '.')
 | 
						|
            c.ignoreAttrs = packages[0] in cfg().blacklist
 | 
						|
        if not c.ignoreAttrs :
 | 
						|
            self.__addAttributes(c, c.classObject)
 | 
						|
 | 
						|
    def addModule(self, name) :
 | 
						|
        module = _allModules.get(name, None)
 | 
						|
        if module is None :
 | 
						|
            self.modules[name] = module = Module(name, 0)
 | 
						|
            if imp.is_builtin(name) == 0 :
 | 
						|
                module.load()
 | 
						|
            else :
 | 
						|
                globalModule = globals().get(name)
 | 
						|
                if globalModule :
 | 
						|
                    module.attributes.extend(dir(globalModule))
 | 
						|
        else :
 | 
						|
            self.modules[name] = module
 | 
						|
 | 
						|
    def filename(self) :
 | 
						|
        try :
 | 
						|
            filename = self.module.__file__
 | 
						|
        except AttributeError :
 | 
						|
            filename = self.moduleName
 | 
						|
        return _getPyFile(filename)
 | 
						|
 | 
						|
    def load(self, warnings = None):
 | 
						|
        try :
 | 
						|
            # there's no need to reload modules we already have
 | 
						|
            global _output, _statusDlg, _count
 | 
						|
            txt = _("Loading Module %s\n") % self.moduleName
 | 
						|
            _output.AddLines(txt)
 | 
						|
            _count += 1
 | 
						|
            if _count == 100:
 | 
						|
                _count = 95
 | 
						|
            _statusDlg.Update(_count, txt)
 | 
						|
            
 | 
						|
            module = sys.modules.get(self.moduleName)
 | 
						|
            if module :
 | 
						|
                if not _allModules[self.moduleName].module :
 | 
						|
                    return self._initModule(module)
 | 
						|
                return 1
 | 
						|
 | 
						|
            return self._initModule(self.setupMainCode())
 | 
						|
        except (SystemExit, KeyboardInterrupt) :
 | 
						|
            exc_type, exc_value, exc_tb = sys.exc_info()
 | 
						|
            raise exc_type, exc_value
 | 
						|
        except SyntaxError, (message, (fileName, line, col, text)):
 | 
						|
            # ActiveGrid: added this for better feedback when module couldn't be loaded.
 | 
						|
            w = Warning(self.fullpath, line, _("Syntax Error: %s\n%s\n%s^error near here") % (message, text, ' '*(col-1)))
 | 
						|
            warnings.append(w)
 | 
						|
            return 0
 | 
						|
        except:
 | 
						|
            exc_type, exc_value, exc_tb = sys.exc_info()
 | 
						|
            w = Warning(self.moduleName, 1, "%s: %s.\nUnable to import module %s." % (exc_type, exc_value, self.moduleName))
 | 
						|
            warnings.append(w)
 | 
						|
            importError(self.moduleName)
 | 
						|
            return 0
 | 
						|
 | 
						|
    def initModule(self, module) :
 | 
						|
        if not self.module:
 | 
						|
            filename = _getPyFile(module.__file__)
 | 
						|
            if string.lower(filename[-3:]) == '.py':
 | 
						|
                try:
 | 
						|
                    file = open(filename)
 | 
						|
                except IOError:
 | 
						|
                    pass
 | 
						|
                else:
 | 
						|
                    self._setupMainCode(file, filename, module)
 | 
						|
            return self._initModule(module)
 | 
						|
        return 1
 | 
						|
 | 
						|
    def _initModule(self, module):
 | 
						|
        self.module = module
 | 
						|
        self.attributes = dir(self.module)
 | 
						|
 | 
						|
        pychecker_attr = getattr(module, Config.CHECKER_VAR, None)
 | 
						|
        if pychecker_attr is not None :
 | 
						|
            utils.pushConfig()
 | 
						|
            utils.updateCheckerArgs(pychecker_attr, 'suppressions', 0, [])
 | 
						|
 | 
						|
        for tokenName in _filterDir(self.module, _DEFAULT_MODULE_TOKENS) :
 | 
						|
            token = getattr(self.module, tokenName)
 | 
						|
            if isinstance(token, types.ModuleType) :
 | 
						|
                # get the real module name, tokenName could be an alias
 | 
						|
                self.addModule(token.__name__)
 | 
						|
            elif isinstance(token, types.FunctionType) :
 | 
						|
                self.addFunction(token)
 | 
						|
            elif isinstance(token, types.ClassType) or \
 | 
						|
                 hasattr(token, '__bases__') :
 | 
						|
                self.addClass(tokenName)
 | 
						|
            else :
 | 
						|
                self.addVariable(tokenName, type(token))
 | 
						|
 | 
						|
        if pychecker_attr is not None :
 | 
						|
            utils.popConfig()
 | 
						|
        return 1
 | 
						|
 | 
						|
    def setupMainCode(self) :
 | 
						|
        file, filename, smt = _findModule(self.moduleName)
 | 
						|
        # FIXME: if the smt[-1] == imp.PKG_DIRECTORY : load __all__
 | 
						|
        module = imp.load_module(self.moduleName, file, filename, smt)
 | 
						|
        self._setupMainCode(file, filename, module)
 | 
						|
        return module
 | 
						|
 | 
						|
    def _setupMainCode(self, file, filename, module):
 | 
						|
        try :
 | 
						|
            self.main_code = function.create_from_file(file, filename, module)
 | 
						|
        finally :
 | 
						|
            if file != None :
 | 
						|
                file.close()
 | 
						|
 | 
						|
 | 
						|
def getAllModules() :
 | 
						|
    "Returns a list of all modules that should be checked."
 | 
						|
    modules = []
 | 
						|
    for module in _allModules.values() :
 | 
						|
        if module.check :
 | 
						|
            modules.append(module)
 | 
						|
    return modules
 | 
						|
 | 
						|
_BUILTIN_MODULE_ATTRS = { 'sys': [ 'ps1', 'ps2', 'tracebacklimit', 
 | 
						|
                                   'exc_type', 'exc_value', 'exc_traceback',
 | 
						|
                                   'last_type', 'last_value', 'last_traceback',
 | 
						|
                                 ],
 | 
						|
                        }
 | 
						|
 | 
						|
def fixupBuiltinModules(needs_init=0):
 | 
						|
    for moduleName in sys.builtin_module_names :
 | 
						|
        if needs_init:
 | 
						|
            _ = Module(moduleName, 0)
 | 
						|
        module = _allModules.get(moduleName, None)
 | 
						|
        if module is not None :
 | 
						|
            try :
 | 
						|
                m = imp.init_builtin(moduleName)
 | 
						|
            except ImportError :
 | 
						|
                pass
 | 
						|
            else :
 | 
						|
                extra_attrs = _BUILTIN_MODULE_ATTRS.get(moduleName, [])
 | 
						|
                module.attributes = [ '__dict__' ] + dir(m) + extra_attrs
 | 
						|
 | 
						|
 | 
						|
def _printWarnings(warnings, stream=None):
 | 
						|
    if stream is None:
 | 
						|
        stream = sys.stdout
 | 
						|
    
 | 
						|
    warnings.sort()
 | 
						|
    lastWarning = None
 | 
						|
    for warning in warnings :
 | 
						|
        if lastWarning != None :
 | 
						|
            # ignore duplicate warnings
 | 
						|
            if cmp(lastWarning, warning) == 0 :
 | 
						|
                continue
 | 
						|
            # print blank line between files
 | 
						|
            if lastWarning.file != warning.file :
 | 
						|
                global _output
 | 
						|
                _output.AddLines("\n")
 | 
						|
 | 
						|
        lastWarning = warning
 | 
						|
        _output.AddLines(warning.format() + "\n")
 | 
						|
 | 
						|
 | 
						|
def processFiles(files, cfg = None, pre_process_cb = None) :
 | 
						|
    # insert this here, so we find files in the local dir before std library
 | 
						|
    if sys.path[0] != '' :
 | 
						|
        sys.path.insert(0, '')
 | 
						|
 | 
						|
    # ensure we have a config object, it's necessary
 | 
						|
    global _cfg
 | 
						|
    if cfg is not None :
 | 
						|
        _cfg = cfg
 | 
						|
    elif _cfg is None :
 | 
						|
        _cfg = Config.Config()
 | 
						|
 | 
						|
    warnings = []
 | 
						|
    utils.initConfig(_cfg)
 | 
						|
    for moduleName, filename in getModules(files) :
 | 
						|
        if callable(pre_process_cb) :
 | 
						|
            pre_process_cb(moduleName)
 | 
						|
        module = Module(moduleName, fullpath = filename)
 | 
						|
            
 | 
						|
        module.load(warnings)
 | 
						|
    utils.popConfig()
 | 
						|
    return warnings
 | 
						|
 | 
						|
 | 
						|
def getWarnings(files, cfg = None, suppressions = None):
 | 
						|
    warnings = processFiles(files, cfg)
 | 
						|
    fixupBuiltinModules()
 | 
						|
    return warnings + warn.find(getAllModules(), _cfg, suppressions)
 | 
						|
 | 
						|
 | 
						|
def _print_processing(name) :
 | 
						|
    if not _cfg.quiet :
 | 
						|
        global _output, _statusDlg, _count
 | 
						|
        txt = _("Processing %s...\n") % name
 | 
						|
        _output.AddLines(txt)
 | 
						|
        _count += 1
 | 
						|
        _statusDlg.Update(_count, txt)
 | 
						|
        
 | 
						|
 | 
						|
 | 
						|
def checkSyntax(filename, messageView):
 | 
						|
    """ Massively hacked version of main for ActiveGrid IDE integration """
 | 
						|
    global _cfg
 | 
						|
    _cfg, files, suppressions = Config.setupFromArgs([filename])
 | 
						|
    if not files :
 | 
						|
        return 0
 | 
						|
        
 | 
						|
    global _output, _statusDlg, _count
 | 
						|
    _output = messageView
 | 
						|
    # wxBug:  Need to show progress dialog box, or message window never gets updated until the method returns    
 | 
						|
    _statusDlg = wx.ProgressDialog(_("Check Code"), _("Checking %s") % filename, maximum = 100, style = wx.PD_AUTO_HIDE | wx.PD_APP_MODAL | wx.PD_ELAPSED_TIME)  
 | 
						|
    _count = 0
 | 
						|
 | 
						|
    # insert this here, so we find files in the local dir before std library
 | 
						|
    sys.path.insert(0, '')
 | 
						|
 | 
						|
    importWarnings = processFiles(files, _cfg, _print_processing)
 | 
						|
    fixupBuiltinModules()
 | 
						|
    if _cfg.printParse :
 | 
						|
        for module in getAllModules() :
 | 
						|
            printer.module(module)
 | 
						|
 | 
						|
    warnings = warn.find(getAllModules(), _cfg, suppressions)
 | 
						|
    
 | 
						|
    _statusDlg.Update(100, _("Done"))
 | 
						|
    _statusDlg.Destroy()
 | 
						|
    
 | 
						|
    if not _cfg.quiet :
 | 
						|
        _output.AddLines(_("\nWarnings and Errors...\n"))
 | 
						|
    if warnings or importWarnings :
 | 
						|
        _printWarnings(importWarnings + warnings)
 | 
						|
        return 1
 | 
						|
 | 
						|
    if not _cfg.quiet :
 | 
						|
        _output.AddLines(_("No Syntax Errors"))
 | 
						|
    return 0
 | 
						|
    
 | 
						|
##
 | 
						|
##
 | 
						|
##def main(argv) :
 | 
						|
##    __pychecker__ = 'no-miximport'
 | 
						|
##    import pychecker
 | 
						|
##    if LOCAL_MAIN_VERSION != pychecker.MAIN_MODULE_VERSION :
 | 
						|
##        sys.stderr.write(_VERSION_MISMATCH_ERROR)
 | 
						|
##        sys.exit(100)
 | 
						|
##
 | 
						|
##    # remove empty arguments
 | 
						|
##    argv = filter(None, argv)
 | 
						|
##        
 | 
						|
##    # if the first arg starts with an @, read options from the file
 | 
						|
##    # after the @ (this is mostly for windows)
 | 
						|
##    if len(argv) >= 2 and argv[1][0] == '@':
 | 
						|
##        # read data from the file
 | 
						|
##        command_file = argv[1][1:]
 | 
						|
##        try:
 | 
						|
##            f = open(command_file, 'r')
 | 
						|
##            command_line = f.read()
 | 
						|
##            f.close()
 | 
						|
##        except IOError, err:
 | 
						|
##            sys.stderr.write("Unable to read commands from file: %s\n  %s\n" % \
 | 
						|
##                             (command_file, err))
 | 
						|
##            sys.exit(101)
 | 
						|
##
 | 
						|
##        # convert to an argv list, keeping argv[0] and the files to process
 | 
						|
##        argv = argv[:1] + string.split(command_line) + argv[2:]
 | 
						|
## 
 | 
						|
##    global _cfg
 | 
						|
##    _cfg, files, suppressions = Config.setupFromArgs(argv[1:])
 | 
						|
##    if not files :
 | 
						|
##        return 0
 | 
						|
##
 | 
						|
##    # insert this here, so we find files in the local dir before std library
 | 
						|
##    sys.path.insert(0, '')
 | 
						|
##
 | 
						|
##    importWarnings = processFiles(files, _cfg, _print_processing)
 | 
						|
##    fixupBuiltinModules()
 | 
						|
##    if _cfg.printParse :
 | 
						|
##        for module in getAllModules() :
 | 
						|
##            printer.module(module)
 | 
						|
##
 | 
						|
##    warnings = warn.find(getAllModules(), _cfg, suppressions)
 | 
						|
##    if not _cfg.quiet :
 | 
						|
##        print "\nWarnings...\n"
 | 
						|
##    if warnings or importWarnings :
 | 
						|
##        _printWarnings(importWarnings + warnings)
 | 
						|
##        return 1
 | 
						|
##
 | 
						|
##    if not _cfg.quiet :
 | 
						|
##        print "None"
 | 
						|
##    return 0
 | 
						|
##
 | 
						|
##
 | 
						|
##if __name__ == '__main__' :
 | 
						|
##    try :
 | 
						|
##        sys.exit(main(sys.argv))
 | 
						|
##    except Config.UsageError :
 | 
						|
##        sys.exit(127)
 | 
						|
##
 | 
						|
##else :
 | 
						|
##    _orig__import__ = None
 | 
						|
##    _suppressions = None
 | 
						|
##    _warnings_cache = {}
 | 
						|
##
 | 
						|
##    def _get_unique_warnings(warnings):
 | 
						|
##        for i in range(len(warnings)-1, -1, -1):
 | 
						|
##            w = warnings[i].format()
 | 
						|
##            if _warnings_cache.has_key(w):
 | 
						|
##                del warnings[i]
 | 
						|
##            else:
 | 
						|
##                _warnings_cache[w] = 1
 | 
						|
##        return warnings
 | 
						|
##
 | 
						|
##    def __import__(name, globals=None, locals=None, fromlist=None):
 | 
						|
##        if globals is None:
 | 
						|
##            globals = {}
 | 
						|
##        if locals is None:
 | 
						|
##            locals = {}
 | 
						|
##        if fromlist is None:
 | 
						|
##            fromlist = []
 | 
						|
##
 | 
						|
##        check = not sys.modules.has_key(name) and name[:10] != 'pychecker.'
 | 
						|
##        pymodule = _orig__import__(name, globals, locals, fromlist)
 | 
						|
##        if check :
 | 
						|
##            try :
 | 
						|
##                module = Module(pymodule.__name__)
 | 
						|
##                if module.initModule(pymodule):
 | 
						|
##                    warnings = warn.find([module], _cfg, _suppressions)
 | 
						|
##                    _printWarnings(_get_unique_warnings(warnings))
 | 
						|
##                else :
 | 
						|
##                    print 'Unable to load module', pymodule.__name__
 | 
						|
##            except Exception:
 | 
						|
##                name = getattr(pymodule, '__name__', str(pymodule))
 | 
						|
##                importError(name)
 | 
						|
##
 | 
						|
##        return pymodule
 | 
						|
##
 | 
						|
##    def _init() :
 | 
						|
##        global _cfg, _suppressions, _orig__import__
 | 
						|
##
 | 
						|
##        args = string.split(os.environ.get('PYCHECKER', ''))
 | 
						|
##        _cfg, files, _suppressions = Config.setupFromArgs(args)
 | 
						|
##        utils.initConfig(_cfg)
 | 
						|
##        fixupBuiltinModules(1)
 | 
						|
##
 | 
						|
##        # keep the orig __import__ around so we can call it
 | 
						|
##        import __builtin__
 | 
						|
##        _orig__import__ = __builtin__.__import__
 | 
						|
##        __builtin__.__import__ = __import__
 | 
						|
##
 | 
						|
##    if not os.environ.get('PYCHECKER_DISABLED') :
 | 
						|
##        _init()
 | 
						|
##
 |