Change tutorial typeclass to Tutorial Readable and TutorialClimbable. Improve error report for failed typeclass import.

evennia/accounts/accounts.py

@@ -702,7 +702,7 @@ class DefaultAccount(with_metaclass(TypeclassBase, AccountDB)):
             errors.append(string)
             return None, errors
 
-        # everything's ok. Create the new account account.
+        # everything's ok. Create the new account.
         try:
             try:
                 account = create.create_account(username, email, password, permissions=permissions, typeclass=typeclass)

evennia/contrib/tests.py

@@ -881,13 +881,13 @@ class TestTutorialWorldObjects(TwistedTestCase, CommandTest):
         self.assertEqual(obj1.location, obj1.home)
 
     def test_readable(self):
-        readable = create_object(tutobjects.Readable, key="book", location=self.room1)
+        readable = create_object(tutobjects.TutorialReadable, key="book", location=self.room1)
         readable.db.readable_text = "Text to read"
         self.call(tutobjects.CmdRead(), "book", "You read book:\n  Text to read", obj=readable)
 
 
     def test_climbable(self):
-        climbable = create_object(tutobjects.Climbable, key="tree", location=self.room1)
+        climbable = create_object(tutobjects.TutorialClimbable, key="tree", location=self.room1)
         self.call(tutobjects.CmdClimb(), "tree", "You climb tree. Having looked around, you climb down again.", obj=climbable)
         self.assertEqual(self.char1.tags.get("tutorial_climbed_tree", category="tutorial_world"), "tutorial_climbed_tree")
 

evennia/contrib/tutorial_world/build.ev

@@ -265,7 +265,7 @@ start
  you get a customized error message when trying to pick it up (that
  is checked and echoed by the 'get' command).
 #
-@create/drop Wooden sign;sign : tutorial_world.objects.Readable
+@create/drop Wooden sign;sign : tutorial_world.objects.TutorialReadable
 #
 @desc sign =
  The wooden sign sits at the end of a small eastward path. Beyond it
@@ -287,14 +287,14 @@ start
 #
 @set sign/tutorial_info =
  This is a readable object, of the Typeclass
- evennia.contrib.tutorial_world.objects.Readable. The sign has a cmdset
+ evennia.contrib.tutorial_world.objects.TutorialReadable. The sign has a cmdset
  defined on itself, containing only one command, namely 'read'. This
  command is what allows you to 'read sign'. Doing so returns the
  contents of the Attribute 'readable_sign', containing the information
  on the sign.
 # Set a climbable object for discovering a hidden exit
 #
-@create/drop gnarled old trees;tree;trees;gnarled : tutorial_world.objects.Climbable
+@create/drop gnarled old trees;tree;trees;gnarled : tutorial_world.objects.TutorialClimbable
 #
 @desc trees = Only the sturdiest of trees survive at the edge of the
  moor. A small group of huddling black things has dug in near the
@@ -310,7 +310,7 @@ start
 @set trees/tutorial_info =
  These are climbable objects; they make for a small puzzle for
  accessing a hidden exit. Climbing the trees allows the
- Climbable typeclass to assign an Attribute on the character
+ TutorialClimbable typeclass to assign an Attribute on the character
  that an exit is then looking for.
 #
 # The text to echo to player if trying 'climb tree'. What

evennia/contrib/tutorial_world/objects.py

@@ -9,8 +9,8 @@ Objects:
 
 TutorialObject
 
-Readable
+TutorialReadable
-Climbable
+TutorialClimbable
 Obelisk
 LightSource
 CrumblingWall
@@ -113,7 +113,7 @@ class CmdSetReadable(CmdSet):
         self.add(CmdRead())
 
 
-class Readable(TutorialObject):
+class TutorialReadable(TutorialObject):
     """
     This simple object defines some attributes and
     """
@@ -183,7 +183,7 @@ class CmdSetClimbable(CmdSet):
         self.add(CmdClimb())
 
 
-class Climbable(TutorialObject):
+class TutorialClimbable(TutorialObject):
     """
     A climbable object. All that is special about it is that it has
     the "climb" command available on it.

evennia/utils/utils.py

@@ -17,6 +17,7 @@ import re
 import textwrap
 import random
 import inspect
+import traceback
 from twisted.internet.task import deferLater
 from twisted.internet.defer import returnValue  # noqa - used as import target
 from os.path import join as osjoin
@@ -1453,8 +1454,10 @@ def class_from_module(path, defaultpaths=None):
 
     """
     cls = None
+    err = ""
     if defaultpaths:
-        paths = [path] + ["%s.%s" % (dpath, path) for dpath in make_iter(defaultpaths)] if defaultpaths else []
+        paths = [path] + ["%s.%s" % (dpath, path)
+                          for dpath in make_iter(defaultpaths)] if defaultpaths else []
     else:
         paths = [path]
 
@@ -1473,6 +1476,7 @@ def class_from_module(path, defaultpaths=None):
         try:
             mod = import_module(testpath, package='evennia')
         except ModuleNotFoundError:
+            err = traceback.format_exc(30)
             break
 
         try:
@@ -1481,10 +1485,11 @@ def class_from_module(path, defaultpaths=None):
         except AttributeError:
             if len(trace()) > 2:
                 # AttributeError within the module, don't hide it
-                exc = sys.exc_info()
+                err = traceback.format_exc(30)
-                raise_(exc[1], None, exc[2])
+                break
     if not cls:
-        err = "Could not load typeclass '%s'" % path
+        err = "\nCould not load typeclass '{}'{}".format(
+            path, " with the following traceback:\n" + err if err else "")
         if defaultpaths:
             err += "\nPaths searched:\n    %s" % "\n    ".join(paths)
         else: