patchs/pylint: update for python3 support

this works with astroid 3.2.0 and pylint 3.2.0

product/ERP5Type/Tool/ComponentTool.py

@@ -159,16 +159,12 @@ class ComponentTool(BaseTool):
       erp5.component.filesystem_import_dict = None
       erp5.component.ref_manager.gc()
 
-      # Clear pylint cache
-      try:
-        from astroid.builder import MANAGER
-      except ImportError:
-        pass
-      else:
-        astroid_cache = MANAGER.astroid_cache
-        for k in astroid_cache.keys():
-          if k.startswith('erp5.component.') and k not in component_package_list:
-            del astroid_cache[k]
+      # Clear astroid (pylint) cache
+      from astroid import MANAGER
+      astroid_cache = MANAGER.astroid_cache
+      for k in list(astroid_cache.keys()):
+        if k.startswith('erp5.component.') and k not in component_package_list:
+          del astroid_cache[k]
 
     if reset_portal_type_at_transaction_boundary:
       portal.portal_types.resetDynamicDocumentsOnceAtTransactionBoundary()

product/ERP5Type/Utils.py

@@ -419,7 +419,7 @@ def fill_args_from_request(*optional_args):
   return decorator
 
 _pylint_message_re = re.compile(
-  '^(?P<type>[CRWEF]):\s*(?P<row>\d+),\s*(?P<column>\d+):\s*(?P<message>.*)$')
+  r'^(?P<type>[CRWEF]):\s*(?P<row>\d+),\s*(?P<column>\d+):\s*(?P<message>.*)$')
 
 def checkPythonSourceCode(source_code_str, portal_type=None):
   """
@@ -462,8 +462,11 @@ def checkPythonSourceCode(source_code_str, portal_type=None):
   message_list = []
   output_file = StringIO()
   try:
-    with tempfile.NamedTemporaryFile(prefix='checkPythonSourceCode',
-                                     suffix='.py') as input_file:
+    with tempfile.NamedTemporaryFile(
+        prefix='checkPythonSourceCode',
+        suffix='.py',
+        mode='w',
+      ) as input_file:
       input_file.write(source_code_str)
       input_file.flush()
 
@@ -493,6 +496,8 @@ def checkPythonSourceCode(source_code_str, portal_type=None):
            # TODO-arnau: Enable it properly would require inspection API
            # '%s %r has no %r member'
            '--disable=E1101,E1103',
+           # XXX duplicate-bases causes too many false positives
+           '--disable=duplicate-bases',
            # map and filter should not be considered bad as in some cases
            # map is faster than its recommended replacement (list
            # comprehension)
@@ -508,7 +513,26 @@ def checkPythonSourceCode(source_code_str, portal_type=None):
            # unused variables
            '--dummy-variables-rgx=_$|dummy|__traceback_info__|__traceback_supplement__',
       ]
-
+      if six.PY3:
+        args.extend(
+          (
+            "--msg-template='{C}: {line},{column}: {msg} ({symbol})'",
+            '--load-plugins=pylint.extensions.bad_builtin',
+            # BBB until we drop compatibility with PY2
+            '--disable=redundant-u-string-prefix,raise-missing-from,keyword-arg-before-vararg',
+            # XXX acceptable to ignore in the context of ERP5
+            '--disable=unspecified-encoding',
+            # XXX to many errors for now
+            '--disable=arguments-differ,arguments-renamed',
+            '--disable=duplicate-bases,inconsistent-mro',
+          )
+        )
+      else:
+        args.extend(
+          (
+            '--load-plugins=Products.ERP5Type.patches.pylint_compatibility_disable',
+          )
+        )
       if portal_type == 'Interface Component':
         # __init__ method from base class %r is not called
         args.append('--disable=W0231')
@@ -521,19 +545,15 @@ def checkPythonSourceCode(source_code_str, portal_type=None):
         # Method should have "self" as first argument (no-self-argument)
         args.append('--disable=E0213')
 
-      try:
-        from pylint.extensions.bad_builtin import __name__ as ext
-        args.append('--load-plugins=' + ext)
-      except ImportError:
-        pass
       try:
         # Note that we don't run pylint as a subprocess, but directly from
         # ERP5 process, so that pylint can access the code from ERP5Type
         # dynamic modules from ZODB.
         Run(args, reporter=TextReporter(output_file), exit=False)
       finally:
-        from astroid.builder import MANAGER
-        MANAGER.astroid_cache.pop(
+        from astroid import MANAGER
+        astroid_cache = MANAGER.astroid_cache
+        astroid_cache.pop(
           os.path.splitext(os.path.basename(input_file.name))[0],
           None)
 

product/ERP5Type/__init__.py

@@ -39,8 +39,7 @@ if  getZopeVersion()[0] == 2: # BBB Zope2
 else:
   IS_ZOPE2 = False
 import six
-if six.PY2:
-  from .patches import pylint
+from .patches import pylint
 from zLOG import LOG, INFO
 DISPLAY_BOOT_PROCESS = False
 

product/ERP5Type/patches/pylint.py

@@ -19,9 +19,10 @@
 # 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 from __future__ import absolute_import
+import six
 import sys
+import types
 import warnings
-import six
 from Products.ERP5Type import IS_ZOPE2
 
 # TODO: make sure that trying to use it does not import isort, because the
@@ -32,21 +33,21 @@ sys.modules.setdefault('isort', None)
 
 ## All arguments are passed as arguments and this needlessly outputs a 'No
 ## config file found, using default configuration' message on stderr.
-try:
+if six.PY2:
     from logilab.common.configuration import OptionsManagerMixIn
-except ImportError:
-    # pylint 2.x (python3)
-    from pylint.config import OptionsManagerMixIn
-OptionsManagerMixIn.read_config_file = lambda *args, **kw: None
+    OptionsManagerMixIn.read_config_file = lambda *args, **kw: None
 
 ## Pylint transforms and plugin to generate AST for ZODB Components
 from astroid.builder import AstroidBuilder
-from astroid.exceptions import AstroidBuildingException
-from astroid import MANAGER, node_classes
+if six.PY2:
+    from astroid.exceptions import AstroidBuildingException as AstroidBuildingError
+else:
+    from astroid.exceptions import AstroidBuildingError
+from astroid import node_classes
+from astroid import MANAGER
 
-try:
+if six.PY2:
   from astroid.builder import _guess_encoding
-except ImportError:
   # XXX: With python3, tokenize.detect_encoding() is used instead. This
   # should do the same instead of copying/pasting legacy code...
   import re
@@ -61,7 +62,7 @@ except ImportError:
           match = _ENCODING_RGX.match(line)
           if match is not None:
               return match.group(1)
-def string_build(self, data, modname='', path=None):
+  def string_build(self, data, modname='', path=None):
     """
     build astroid from source code string and return rebuilded astroid
 
@@ -95,11 +96,11 @@ def string_build(self, data, modname='', path=None):
         LOG("Products.ERP5Type.patches.pylint", WARNING,
             "%s: Considered as not importable: Wrong encoding? (%r)" %
             (modname, exc))
-        raise AstroidBuildingException(exc)
+        raise AstroidBuildingError(exc)
     module = self._data_build(data, modname, path)
     module.file_bytes = data
     return self._post_build(module, encoding)
-AstroidBuilder.string_build = string_build
+  AstroidBuilder.string_build = string_build
 
 # patch node_classes.const_factory not to fail on LazyModules that e.g.
 # pygolang installs for pytest and ipython into sys.modules dict:
@@ -154,17 +155,17 @@ def _buildAstroidModuleFromComponentModuleName(modname):
             obj = getattr(component_tool,
                           component_id.replace('_version', '', 1))
         except AttributeError:
-            raise AstroidBuildingException()
+            raise AstroidBuildingError()
         if obj.getValidationState() in ('modified', 'validated'):
             component_obj = obj
         else:
-            raise AstroidBuildingException()
+            raise AstroidBuildingError()
 
     else:
         try:
             package, reference = component_id.split('.', 1)
         except ValueError:
-            raise AstroidBuildingException()
+            raise AstroidBuildingError()
         for version in portal.getVersionPriorityNameList():
             try:
                 obj = getattr(component_tool,
@@ -183,11 +184,8 @@ def _buildAstroidModuleFromComponentModuleName(modname):
                 return module
 
     if component_obj is None:
-        raise AstroidBuildingException()
+        raise AstroidBuildingError()
 
-    # module_build() could also be used but this requires importing
-    # the ZODB Component and also monkey-patch it to support PEP-302
-    # for __file__ starting with '<'
     module = AstroidBuilder(MANAGER).string_build(
         component_obj.getTextContent(validated_only=True),
         modname)
@@ -195,7 +193,7 @@ def _buildAstroidModuleFromComponentModuleName(modname):
 
 def fail_hook_erp5_component(modname):
     if not modname.startswith('erp5.'):
-        raise AstroidBuildingException()
+        raise AstroidBuildingError()
 
     if (modname in ('erp5.portal_type',
                     'erp5.component',
@@ -223,8 +221,11 @@ MANAGER.register_failed_import_hook(fail_hook_erp5_component)
 ## transforms but this would require either checking dynamically which
 ## attributes has been added (much more complex than the current approach)
 ## or listing them statically (inconvenient).
-from astroid.exceptions import NotFoundError
-from astroid.scoped_nodes import Module
+from astroid.exceptions import AstroidError, NotFoundError
+if six.PY2:
+    from astroid.scoped_nodes import Module
+else:
+    from astroid.nodes import Module
 Module_getattr = Module.getattr
 def _getattr(self, name, *args, **kw):
     try:
@@ -232,8 +233,22 @@ def _getattr(self, name, *args, **kw):
     except NotFoundError as e:
         if self.name.startswith('erp5.'):
             raise
-
-        real_module = __import__(self.name, fromlist=[self.name], level=0)
+        if six.PY3 and (
+                # astroid/pylint on py3 have built-in support for numpy
+                self.name == 'numpy'
+                or self.name.startswith('numpy.')
+                # SOAPPy.Types contains "from SOAPPy.Types import *" which confuses
+                # this patch
+                or self.name == 'SOAPpy.Types'
+                # pysvn also confuses pylint
+                or self.name == 'pysvn'
+                # XXX actually maybe we don't need this branch at all on py3
+            ):
+            raise
+        real_module = __import__(
+            self.name,
+            fromlist=[self.name] if six.PY2 else [name],
+            level=0)
         try:
             attr = getattr(real_module, name)
         except AttributeError:
@@ -249,13 +264,21 @@ def _getattr(self, name, *args, **kw):
         except AttributeError:
             from astroid import nodes
             if isinstance(attr, dict):
-                ast = nodes.Dict(attr)
+                if six.PY2:
+                    ast = nodes.Dict(attr)
+                else:
+                    ast = nodes.Dict(attr, 0, None, end_lineno=0, end_col_offset=0)
             elif isinstance(attr, list):
                 ast = nodes.List(attr)
             elif isinstance(attr, tuple):
                 ast = nodes.Tuple(attr)
             elif isinstance(attr, set):
-                ast = nodes.Set(attr)
+                if six.PY2:
+                    ast = nodes.Set(attr)
+                else:
+                    ast = nodes.Set(attr, 0, None, end_lineno=0, end_col_offset=0)
+            elif isinstance(attr, types.ModuleType):
+                ast = MANAGER.ast_from_module(attr)
             else:
                 try:
                     ast = nodes.Const(attr)
@@ -266,16 +289,29 @@ def _getattr(self, name, *args, **kw):
                 raise
 
             # ast_from_class() actually works for any attribute of a Module
+            # (on py2 at least), but it raises some AssertionError when the class
+            # is defined dynamically, for example with zope.hookable.hookable,
+            # which (in version 6.0) is defined as:
+            #
+            #   if _PURE_PYTHON or _c_hookable is None:
+            #       hookable = _py_hookable
+            #   else:  # pragma: no cover
+            #       hookable = _c_hookable
             try:
                 ast = MANAGER.ast_from_class(attr)
-            except AstroidBuildingException:
-                raise e
+            except (AstroidError, AssertionError):
+                if six.PY2:
+                    raise e
+                try:
+                    ast = next(MANAGER.infer_ast_from_something(attr))
+                except AstroidError:
+                    raise e
 
         self.locals[name] = [ast]
         return [ast]
 Module.getattr = _getattr
 
-if sys.version_info < (2, 8):
+if six.PY2:
     from astroid.node_classes import From
     def _absolute_import_activated(self):
         if (self.name.startswith('checkPythonSourceCode') or
@@ -292,25 +328,25 @@ from astroid import register_module_extender
 def AccessControl_PermissionRole_transform():
     return AstroidBuilder(MANAGER).string_build('''
 def rolesForPermissionOn(perm, object, default=_default_roles, n=None):
-    return None
+    return tuple()
 
 class PermissionRole(object):
     def __init__(self, name, default=('Manager',)):
         return None
     def __of__(self, parent):
-        return None
+        return imPermissionRole(self)
     def rolesForPermissionOn(self, value):
-        return None
+        return self.rolesForPermissionOn(None, self)
 
 class imPermissionRole(object):
     def __of__(self, value):
-        return None
+        return self.rolesForPermissionOn(None, self)
     def rolesForPermissionOn(self, value):
-        return None
+        return rolesForPermissionOn(None, self)
     def __getitem__(self, i):
         return None
     def __len__(self):
-        return None
+        return 0
 
 _what_not_even_god_should_do = []
 ''')
@@ -338,14 +374,14 @@ def build_stub(parent, identifier_re=r'^[A-Za-z_]\w*$'):
     constants = {}
     methods = {}
     for name in dir(parent):
-        if name.startswith("__"):
+        if name in dir(object):
             continue
         # Check if this is a valid name in python
         if not re.match(identifier_re, name):
             continue
         try:
             obj = getattr(parent, name)
-        except:
+        except AttributeError:
             continue
         if inspect.isclass(obj):
             classes[name] = obj
@@ -422,7 +458,7 @@ _inspected_modules = {}
 def fail_hook_BTrees(modname):
     # Only consider BTrees.OOBTree pattern
     if not modname.startswith('BTrees.') or len(modname.split('.')) != 2:
-        raise AstroidBuildingException()
+        raise AstroidBuildingError()
     if modname not in _inspected_modules:
         try:
             modcode = build_stub(
@@ -438,7 +474,7 @@ def fail_hook_BTrees(modname):
     else:
         astng = _inspected_modules[modname]
     if astng is None:
-        raise AstroidBuildingException('Failed to import module %r' % modname)
+        raise AstroidBuildingError('Failed to import module %r' % modname)
     return astng
 MANAGER.register_failed_import_hook(fail_hook_BTrees)
 
@@ -484,12 +520,20 @@ def register_xpkg(pkgname):
     except ImportError:
         pass
     else:
-        def xpkg_transform(node):
-            m = AstroidBuilder(MANAGER).string_build('__path__ = %r' % pkg.__path__)
-            m.package = True
-            m.name = pkgname
-            return m
-        MANAGER.register_transform(Module, xpkg_transform, lambda node: node.name == pkgname)
+        if six.PY2:
+            def xpkg_transform(node):
+                m = AstroidBuilder(MANAGER).string_build('__path__ = %r' % pkg.__path__)
+                m.package = True
+                m.name = pkgname
+                return m
+            MANAGER.register_transform(Module, xpkg_transform, lambda node: node.name == pkgname)
+        else:
+            import importlib
+            def fail_hook_xpkg(modname):
+                if modname.split('.')[0] == pkgname:
+                    return MANAGER.ast_from_module(importlib.import_module(modname))
+                raise AstroidBuildingError()
+            MANAGER.register_failed_import_hook(fail_hook_xpkg)
 register_xpkg('wendelin')
 register_xpkg('xlte')
 

product/ERP5Type/patches/pylint_compatibility_disable.py

+"""A dummy checker to register messages from pylint3, to be able to
+disable the messages on python2 without causing bad-option-value
+"""
+from __future__ import absolute_import
+from pylint import checkers, interfaces
+
+class CompatibilityDisableChecker(checkers.BaseChecker):
+
+    name = "compatibility-disable"
+    msgs = {
+        "E9999": (
+            "not-an-iterable",
+            "not-an-iterable",
+            "",
+        ),
+        "E9998": (
+            "misplaced-bare-raise",
+            "misplaced-bare-raise",
+            "",
+        ),
+        "E9997": (
+            "unused-private-member",
+            "unused-private-member",
+            "",
+        ),
+        "E9996": (
+            "using-constant-test",
+            "using-constant-test",
+            ""
+        ),
+        "E9995": (
+            "modified-iterating-list",
+            "modified-iterating-list",
+            "",
+        ),
+        "E9994": (
+            "unsubscriptable-object",
+            "unsubscriptable-object",
+            "",
+        ),
+        "E9993": (
+            "invalid-unary-operand-type",
+            "invalid-unary-operand-type",
+            "",
+        ),
+        "E9992": (
+            "unbalanced-dict-unpacking",
+            "unbalanced-dict-unpacking",
+            "",
+        ),
+        "E9991": (
+            "self-cls-assignment",
+            "self-cls-assignment",
+            "",
+        ),
+        "E9990": (
+            "deprecated-class",
+            "deprecated-class",
+            "",
+        ),
+        "E9989": (
+            "possibly-used-before-assignment",
+            "possibly-used-before-assignment",
+            ""
+        )
+    }
+
+
+def register(linter):
+    linter.register_checker(CompatibilityDisableChecker(linter))

product/ERP5Type/tests/testDynamicClassGeneration.py

@@ -1899,11 +1899,18 @@ class TestZodbModuleComponent(SecurityTestCase):
     component.setTextContent("""import unexistent_module
 """ + valid_code)
     self.tic()
-    self.assertEqual(
-      [m.getMessage().translate() for m in component.checkConsistency()],
-      ["Error in Source Code: F:  1,  0: Unable to import 'unexistent_module' (import-error)"])
-    self.assertEqual(component.getTextContentErrorMessageList(),
-                      ["F:  1,  0: Unable to import 'unexistent_module' (import-error)"])
+    if six.PY2:
+      self.assertEqual(
+        [m.getMessage().translate() for m in component.checkConsistency()],
+        ["Error in Source Code: F:  1,  0: Unable to import 'unexistent_module' (import-error)"])
+      self.assertEqual(component.getTextContentErrorMessageList(),
+                        ["F:  1,  0: Unable to import 'unexistent_module' (import-error)"])
+    else:
+      self.assertEqual(
+        [m.getMessage().translate() for m in component.checkConsistency()],
+        ["Error in Source Code: E:  1,  0: Unable to import 'unexistent_module' (import-error)"])
+      self.assertEqual(component.getTextContentErrorMessageList(),
+                        ["E:  1,  0: Unable to import 'unexistent_module' (import-error)"])
     self.assertEqual(component.getTextContentWarningMessageList(),
                       ["W:  1,  0: Unused import unexistent_module (unused-import)"])
 
@@ -1935,11 +1942,10 @@ class TestZodbModuleComponent(SecurityTestCase):
        [ComponentMixin._message_text_content_not_set],
        [],
        []),
-      ("""def foobar(*args, **kwargs)
-  return 42
+      ("""None()
 """ + valid_code,
-       ["Error in Source Code: E:  1,  0: invalid syntax (syntax-error)"],
-       ["E:  1,  0: invalid syntax (syntax-error)"],
+       ["Error in Source Code: E:  1,  0: None is not callable (not-callable)"],
+       ["E:  1,  0: None is not callable (not-callable)"],
        []),
       # Make sure that foobar NameError is at the end to make sure that after
       # defining foobar function, it is not available at all
@@ -2209,7 +2215,7 @@ def function_foo(*args, **kwargs):
   def _assertAstroidCacheContent(self,
                                  must_be_in_cache_set,
                                  must_not_be_in_cache_set):
-    from astroid.builder import MANAGER
+    from astroid import MANAGER
     should_not_be_in_cache_list = []
     for modname in MANAGER.astroid_cache:
       if (modname.startswith('checkPythonSourceCode') or
@@ -2265,10 +2271,10 @@ def hoge():
       """# -*- coding: utf-8 -*-
 # Source code with non-ASCII character should not fail: éàホゲ
 from %(namespace)s import %(reference1)s
-from %(namespace)s.erp5_version import %(reference1)s
+from %(namespace)s.erp5_version import %(reference1)s  # pylint:disable=reimported
 
 from %(module2)s import hoge
-from %(module2_with_version)s import hoge
+from %(module2_with_version)s import hoge  # pylint:disable=reimported
 
 import %(module2)s
 import %(module2_with_version)s
@@ -2293,7 +2299,8 @@ from AccessControl.PermissionRole import rolesForPermissionOn, PermissionRole, i
 
 # Monkey patch of astroid 1.3.8: it raised 'no-name-in-module' because
 # Shared.DC was not considered a namespace package
-from Shared.DC.ZRDB.Results import Results # pylint: disable=unused-import
+from Shared.DC.ZRDB.Results import Results
+_ = Results
 
 import lxml.etree
 lxml.etree.Element('test')
@@ -2340,17 +2347,21 @@ _ = ZBigArray
             module2_with_version=imported_module2_with_version)) +
       component.getTextContent())
 
+    must_be_in_cache_set = set()
+    if six.PY2:
+      must_be_in_cache_set.add(namespace)
     self._assertAstroidCacheContent(
-      must_be_in_cache_set={'%s' % namespace},
+      must_be_in_cache_set=must_be_in_cache_set,
       must_not_be_in_cache_set={'%s.erp5_version' % namespace,
                                 imported_module1,
                                 imported_module1_with_version,
                                 imported_module2,
                                 imported_module2_with_version})
     component.checkSourceCode()
+    if six.PY2:
+      must_be_in_cache_set.add('%s.erp5_version' % namespace)
     self._assertAstroidCacheContent(
-      must_be_in_cache_set={'%s' % namespace,
-                            '%s.erp5_version' % namespace},
+      must_be_in_cache_set=must_be_in_cache_set,
       must_not_be_in_cache_set={imported_module1,
                                 imported_module1_with_version,
                                 imported_module2,
@@ -2358,35 +2369,69 @@ _ = ZBigArray
 
     self.tic()
     self.assertEqual(component.getValidationState(), 'modified')
-    self.assertEqual(
-      component.getTextContentErrorMessageList(),
-      ["E:  3,  0: No name '%s' in module '%s' (no-name-in-module)" %
-       (imported_reference1, namespace),
-       "E:  4,  0: No name '%s' in module '%s.erp5_version' (no-name-in-module)" %
-       (imported_reference1, namespace),
-       # Spurious message but same as filesystem modules: 2 errors raised
-       # (no-name-in-module and import-error)
-       "E:  6,  0: No name '%s' in module '%s' (no-name-in-module)" %
-       (imported_reference2, namespace),
-       "F:  6,  0: Unable to import '%s' (import-error)" %
-       imported_module2,
-       # Spurious message (see above comment)
-       "E:  7,  0: No name '%s' in module '%s.erp5_version' (no-name-in-module)" %
-       (imported_reference2, namespace),
-       "F:  7,  0: Unable to import '%s' (import-error)" %
-       imported_module2_with_version,
-       # Spurious message (see above comment)
-       "E:  9,  0: No name '%s' in module '%s' (no-name-in-module)" %
-       (imported_reference2, namespace),
-       "F:  9,  0: Unable to import '%s' (import-error)" %
-       imported_module2,
-       # Spurious message (see above comment)
-       "E: 10,  0: No name '%s' in module '%s.erp5_version' (no-name-in-module)" %
-       (imported_reference2, namespace),
-       "F: 10,  0: Unable to import '%s' (import-error)" %
-       imported_module2_with_version])
+    if six.PY2:
+      self.assertEqual(
+        component.getTextContentErrorMessageList(),
+        [
+          "E:  3,  0: No name '%s' in module '%s' (no-name-in-module)" %
+          (imported_reference1, namespace),
+          "E:  4,  0: No name '%s' in module '%s.erp5_version' (no-name-in-module)" %
+          (imported_reference1, namespace),
+          # Spurious message but same as filesystem modules: 2 errors raised
+          # (no-name-in-module and import-error)
+          "E:  6,  0: No name '%s' in module '%s' (no-name-in-module)" %
+          (imported_reference2, namespace),
+          "F:  6,  0: Unable to import '%s' (import-error)" %
+          imported_module2,
+          # Spurious message (see above comment)
+          "E:  7,  0: No name '%s' in module '%s.erp5_version' (no-name-in-module)" %
+          (imported_reference2, namespace),
+          "F:  7,  0: Unable to import '%s' (import-error)" %
+          imported_module2_with_version,
+          # Spurious message (see above comment)
+          "E:  9,  0: No name '%s' in module '%s' (no-name-in-module)" %
+          (imported_reference2, namespace),
+          "F:  9,  0: Unable to import '%s' (import-error)" %
+          imported_module2,
+          # Spurious message (see above comment)
+          "E: 10,  0: No name '%s' in module '%s.erp5_version' (no-name-in-module)" %
+          (imported_reference2, namespace),
+          "F: 10,  0: Unable to import '%s' (import-error)" %
+          imported_module2_with_version,
+        ],
+      )
+    else:
+      self.assertEqual(
+        component.getTextContentErrorMessageList(),
+        [
+          "E:  3,  0: No name '%s' in module '%s' (no-name-in-module)" %
+          (imported_reference1, namespace),
+          "E:  4,  0: No name '%s' in module '%s.erp5_version' (no-name-in-module)" %
+          (imported_reference1, namespace),
+          "E:  6,  0: Unable to import '%s.%s' (import-error)" %
+          (namespace, imported_reference2),
+          # Spurious message but same as filesystem modules: 2 errors raised
+          # (no-name-in-module and import-error)
+          "E:  6,  0: No name '%s' in module '%s' (no-name-in-module)" %
+          (imported_reference2, namespace),
+          "E:  7,  0: Unable to import '%s' (import-error)" %
+          imported_module2_with_version,
+          # Spurious message (see above comment)
+          "E:  7,  0: No name '%s' in module '%s.erp5_version' (no-name-in-module)" %
+          (imported_reference2, namespace),
+          "E:  9,  0: Unable to import '%s.%s' (import-error)" %
+          (namespace, imported_reference2),
+          # Spurious message (see above comment)
+          "E:  9,  0: No name '%s' in module '%s' (no-name-in-module)" %
+          (imported_reference2, namespace),
+          "E: 10,  0: Unable to import '%s' (import-error)" %
+          imported_module2_with_version,
+          # Spurious message (see above comment)
+          "E: 10,  0: No name '%s' in module '%s.erp5_version' (no-name-in-module)" %
+          (imported_reference2, namespace),
+        ],
+      )
     self.assertEqual(component.getTextContentWarningMessageList(), [])
-
     ## Simulate user:
     # 1) First check and validate 'imported' Components
     self.portal.portal_workflow.doActionFor(imported_component1, 'validate_action')
@@ -2397,20 +2442,29 @@ _ = ZBigArray
 
     message_list = component.checkSourceCode()
     self.assertEqual(message_list, [])
+    must_be_in_cache_set = {
+      imported_module1,
+      imported_module1_with_version,
+      imported_module2,
+      imported_module2_with_version,
+    }
+    if six.PY2:
+      must_be_in_cache_set.update({
+        '%s' % namespace,
+        '%s.erp5_version' % namespace,
+      })
     self._assertAstroidCacheContent(
-      must_be_in_cache_set={'%s' % namespace,
-                            '%s.erp5_version' % namespace,
-                            imported_module1,
-                            imported_module1_with_version,
-                            imported_module2,
-                            imported_module2_with_version},
+      must_be_in_cache_set=must_be_in_cache_set,
       must_not_be_in_cache_set=set())
 
     # 2) Then modify the main one so that it automatically 'validate'
     component.setTextContent(component.getTextContent() + '\n')
     self.tic()
+    must_be_in_cache_set = set()
+    if six.PY2:
+      must_be_in_cache_set.add(namespace)
     self._assertAstroidCacheContent(
-      must_be_in_cache_set={'%s' % namespace},
+      must_be_in_cache_set=must_be_in_cache_set,
       must_not_be_in_cache_set={'%s.erp5_version' % namespace,
                                 imported_module1,
                                 imported_module1_with_version,
@@ -2423,10 +2477,11 @@ _ = ZBigArray
     component.setTextContent(
       """# -*- coding: utf-8 -*-
 from %(module)s import undefined
-from %(module_with_version)s import undefined
+from %(module_with_version)s import undefined2
 
 # To avoid 'unused-import' warning...
 undefined()
+undefined2()
 
 """ % (dict(module=imported_module2,
             module_with_version=imported_module2_with_version)) +
@@ -2437,7 +2492,7 @@ undefined()
       component.getTextContentErrorMessageList(),
       ["E:  2,  0: No name 'undefined' in module '%s' (no-name-in-module)" %
        imported_module2_with_version,
-       "E:  3,  0: No name 'undefined' in module '%s' (no-name-in-module)" %
+       "E:  3,  0: No name 'undefined2' in module '%s' (no-name-in-module)" %
        imported_module2_with_version])
     self.assertEqual(component.getTextContentWarningMessageList(), [])
 
@@ -2473,8 +2528,8 @@ def hoge():
       component = self._newComponent(reference)
       component.setTextContent(component.getTextContent() + """
 from %(namespace)s import %(reference)s
-from %(namespace)s.bar_version import %(reference)s
-from %(namespace)s.erp5_version import %(reference)s
+from %(namespace)s.bar_version import %(reference)s  # pylint:disable=reimported
+from %(namespace)s.erp5_version import %(reference)s  # pylint:disable=reimported
 
 # To avoid 'unused-import' warning...
 %(reference)s.hoge()
@@ -2482,7 +2537,7 @@ from %(namespace)s.erp5_version import %(reference)s
            reference=imported_reference))
 
       component.checkSourceCode()
-      from astroid.builder import MANAGER
+      from astroid import MANAGER
       imported_module = self._getComponentFullModuleName(imported_reference)
       self.assertEqual(
         MANAGER.astroid_cache[self._getComponentFullModuleName(imported_reference, version='bar')],