Fix problems when loading and saving config file

README.md

@@ -50,8 +50,8 @@ There are two possible solutions:
 
 
 ## Updating to new versions ##
-If you are upgrading from a previous version of blender2ogre and having problems, you may want to delete your old .pickle config file from
-[$BLENDER_DIR](https://docs.blender.org/manual/en/latest/advanced/blender_directory_layout.html)`/config/scripts/blender2ogre.pickle` and restart blender.
+If you are upgrading from a previous version of blender2ogre and having problems, you may want to delete your old .json config file from
+[$BLENDER_DIR](https://docs.blender.org/manual/en/latest/advanced/blender_directory_layout.html)`/config/scripts/io_ogre.json` and restart blender.
 
 ## Video Tutorials
 * [General Usage](http://www.youtube.com/watch?feature=player_embedded&v=3EpwEsB0_kk)

io_ogre/__init__.py

@@ -30,24 +30,19 @@
 # https://blender.stackexchange.com/questions/28504/blender-ignores-changes-to-python-scripts/28505
 # When bpy is already in local, we know this is not the initial import...
 if "bpy" in locals():
-    # ...so we need to reload our submodule(s) using importlib
     import importlib
-    if "config" in locals():
-        importlib.reload(config)
-    if "properties" in locals():
-        importlib.reload(properties)
-    if "ui" in locals():
-        importlib.reload(ui)
-
-# This is only relevant on first run, on later reloads those modules
-# are already in locals() and those statements do not do anything.
-from . import config
-from . import properties
-from . import ui
+    #print("Reloading modules: config, mesh_preview, properties, xml, ui, util")
+    importlib.reload(config)
+    importlib.reload(mesh_preview)
+    importlib.reload(properties)
+    importlib.reload(xml)
+    importlib.reload(ui)
+    importlib.reload(util)
 
+import bpy
 import os, sys, logging
 from pprint import pprint
-import bpy
+from . import config, properties, ui
 
 # Import the plugin directory and setup the plugin
 class Blender2OgreAddonPreferences(bpy.types.AddonPreferences):
@@ -107,7 +102,7 @@ def register():
     logging.basicConfig(stream=sys.stdout, level=logging.INFO, format='[%(levelname)5s] %(message)s', datefmt='%H:%M:%S')
 
     logging.info('Starting io_ogre %s', bl_info["version"])
-    
+
     # The UI modules define auto_register functions that
     # return classes that should be loaded by the plugin
     for clazz in ui.auto_register(True):
@@ -120,10 +115,10 @@ def register():
 
 def unregister():
     logging.info('Unloading io_ogre %s', bl_info["version"])
-    
+
     # Save the config
     config.save_config()
-    
+
     # Unregister classes
     for clazz in ui.auto_register(False):
         bpy.utils.unregister_class(clazz)

io_ogre/api.py

@@ -5,4 +5,3 @@
 from .ogre.scene import dot_scene
 
 # import various functions that can be used to export objects
-

io_ogre/config.py

@@ -1,4 +1,4 @@
-import bpy, os, sys, logging, pickle, mathutils
+import bpy, os, sys, logging, mathutils, json
 from pprint import pprint
 from bpy.props import *
 
@@ -28,9 +28,11 @@
 ]
 
 CONFIG_PATH = bpy.utils.user_resource('CONFIG', path='scripts', create=True)
-CONFIG_FILENAME = 'io_ogre.pickle'
+CONFIG_FILENAME = 'io_ogre.json'
 CONFIG_FILEPATH = os.path.join(CONFIG_PATH, CONFIG_FILENAME)
 
+CONFIG = {}
+
 _CONFIG_DEFAULTS_ALL = {
     # General
     'SWAP_AXIS' : 'xz-y',
@@ -74,7 +76,7 @@
     'ARRAY' : True,
     'EXTREMITY_POINTS' : 0,
     'GENERATE_EDGE_LISTS' : False,
-    'GENERATE_TANGENTS' : "0",
+    'GENERATE_TANGENTS' : '0',
     'OPTIMISE_ANIMATIONS' : True,
     'INTERFACE_TOGGLE': False,
     'OPTIMISE_VERTEX_BUFFERS' : True,
@@ -102,7 +104,8 @@
     'IMPORT_ANIMATIONS' : True,
     'ROUND_FRAMES' : True,
     'USE_SELECTED_SKELETON' : True,
-    'IMPORT_SHAPEKEYS' : True
+    'IMPORT_SHAPEKEYS' : True,
+    'IMPORT_LOGGING' : False
 }
 
 _CONFIG_TAGS_ = 'OGRETOOLS_XML_CONVERTER OGRETOOLS_MESH_UPGRADER MESH_PREVIEWER IMAGE_MAGICK_CONVERT USER_MATERIALS SHADER_PROGRAMS'.split()
@@ -148,15 +151,22 @@
 ## PUBLIC API continues
 
 def load_config():
+    global CONFIG
+    logger.info('Loading config: %s' % CONFIG_FILEPATH)
     config_dict = {}
 
     # Check if the config file exists and load it
     if os.path.isfile( CONFIG_FILEPATH ):
         try:
-            with open( CONFIG_FILEPATH, 'rb' ) as f:
-                config_dict = pickle.load( f )
-        except:
-            logger.error('Can not read config from %s' % CONFIG_FILEPATH)
+            with open( os.path.join(CONFIG_FILEPATH), 'r' ) as f:
+                config_dict = json.load(f)
+        except EOFError:
+            logger.error('Config file: %s is empty' % CONFIG_FILEPATH)
+        except Exception as e:
+            logger.error('Can not read config from: %s' % CONFIG_FILEPATH)
+            logger.error('Exception: %s' % e)
+    else:
+        logger.error('Config file: %s does not exist' % CONFIG_FILEPATH)
 
     # Load default values from _CONFIG_DEFAULTS_ALL if they don't exist after loading config from file
     for tag in _CONFIG_DEFAULTS_ALL:
@@ -196,9 +206,6 @@ def load_config():
 
     return config_dict
 
-# Global CONFIG dictionary
-CONFIG = load_config()
-
 def get(name, default=None):
     global CONFIG
     if name in CONFIG:
@@ -207,26 +214,34 @@ def get(name, default=None):
         logger.error("Config option %s does not exist!" % name)
     return default
 
+# Global CONFIG dictionary
+CONFIG = load_config()
+
 def update(**kwargs):
-    for k,v in kwargs.items():
-        if k not in _CONFIG_DEFAULTS_ALL:
-            logger.warn("Trying to set CONFIG['%s'] = %s, but it is not a known config setting" % (k,v))
-        CONFIG[k] = v
+    global CONFIG
+    for key,value in kwargs.items():
+        if key not in _CONFIG_DEFAULTS_ALL:
+            logger.warn("Trying to set CONFIG['%s'] = %s, but it is not a known config setting" % (key, value))
+        #print("update() :: key: %s, value: %s" % (key, value))
+        CONFIG[key] = value
     save_config()
 
 def save_config():
     global CONFIG
+    logger.info('Saving config to: %s' % CONFIG_FILEPATH)
     #for key in CONFIG: print( '%s = %s' %(key, CONFIG[key]) )
     if os.path.isdir( CONFIG_PATH ):
         try:
-            with open( CONFIG_FILEPATH, 'wb' ) as f:
-                pickle.dump( CONFIG, f, -1 )
-        except:
+            with open( os.path.join(CONFIG_FILEPATH), 'w' ) as f:
+                f.write(json.dumps(CONFIG, indent=4))
+        except Exception as e:
             logger.error('Can not write to %s' % CONFIG_FILEPATH)
+            logger.error('Exception: %s' % e)
     else:
         logger.error('Config directory %s does not exist' % CONFIG_PATH)
 
 def update_from_addon_preference(context):
+    global CONFIG
     addon_preferences = context.preferences.addons["io_ogre"].preferences
 
     for key in _CONFIG_TAGS_:

io_ogre/ogre/material.py

@@ -1,22 +1,10 @@
-
 # When bpy is already in local, we know this is not the initial import...
 if "bpy" in locals():
-    # ...so we need to reload our submodule(s) using importlib
     import importlib
-    if "config" in locals():
-        importlib.reload(config)
-    if "util" in locals():
-        importlib.reload(util)
-    if "shader" in locals():
-        importlib.reload(shader)
-    if "report" in locals():
-        importlib.reload(report)
-    if "program" in locals():
-        importlib.reload(program)
-
-# This is only relevant on first run, on later reloads those modules
-# are already in locals() and those statements do not do anything.
-import logging, os, shutil, tempfile, math
+    #print("Reloading modules: shader")
+    importlib.reload(shader)
+
+import os, shutil, tempfile, math, logging
 from .. import config
 from .. import shader
 from .. import util

io_ogre/ogre/materialv2json.py

@@ -1,19 +1,3 @@
-
-# When bpy is already in local, we know this is not the initial import...
-if "bpy" in locals():
-    # ...so we need to reload our submodule(s) using importlib
-    import importlib
-    if "config" in locals():
-        importlib.reload(config)
-    if "util" in locals():
-        importlib.reload(util)
-    if "report" in locals():
-        importlib.reload(report)
-    if "material" in locals():
-        importlib.reload(material)
-
-# This is only relevant on first run, on later reloads those modules
-# are already in locals() and those statements do not do anything.
 import logging, os, shutil, tempfile, json
 from .. import config
 from .. import util

io_ogre/ogre/mesh.py

@@ -1,27 +1,10 @@
 import os, time, sys, logging
-import bmesh
-import mathutils
-import math
-
-# When bpy is already in local, we know this is not the initial import...
-if "bpy" in locals():
-    # ...so we need to reload our submodule(s) using importlib
-    import importlib
-    if "report" in locals():
-        importlib.reload(report)
-    if "material" in locals():
-        importlib.reload(material)
-    if "util" in locals():
-        importlib.reload(util)
-    if "xml" in locals():
-        importlib.reload(xml)
-    if "skeleton.Skeleton" in locals():
-        importlib.reload(skeleton.Skeleton)
+import bmesh, mathutils, math
 
 from ..report import Report
 from ..util import *
 from ..xml import *
-from .. import util
+from .. import util, config
 from .material import *
 from .skeleton import Skeleton
 

io_ogre/ogre/node_anim.py

@@ -1,19 +1,3 @@
-
-# When bpy is already in local, we know this is not the initial import...
-if "bpy" in locals():
-    # ...so we need to reload our submodule(s) using importlib
-    import importlib
-    if "config" in locals():
-        importlib.reload(config)
-    if "report" in locals():
-        importlib.reload(report)
-    if "xml" in locals():
-        importlib.reload(xml)
-    if "util" in locals():
-        importlib.reload(util)
-
-# This is only relevant on first run, on later reloads those modules
-# are already in locals() and those statements do not do anything.
 import bpy, mathutils, logging, time
 from .. import config
 from ..report import Report

io_ogre/ogre/ogre_import.py

@@ -105,13 +105,11 @@
 """
 
 # When bpy is already in local, we know this is not the initial import...
-if "bpy" in locals():
-    # ...so we need to reload our submodule(s) using importlib
-    import importlib
-    if "material_parser" in locals():
-        importlib.reload(material_parser.MaterialParser)
+#if "bpy" in locals():
+#    import importlib
+#    print("RELOADING: material_parser.MaterialParser")
+#    importlib.reload(material_parser)
 
-#from Blender import *
 import bpy
 from xml.dom import minidom
 from mathutils import Vector, Matrix

io_ogre/ogre/program.py

@@ -1,13 +1,3 @@
-
-# When bpy is already in local, we know this is not the initial import...
-if "bpy" in locals():
-    # ...so we need to reload our submodule(s) using importlib
-    import importlib
-    if "config" in locals():
-        importlib.reload(config)
-
-# This is only relevant on first run, on later reloads those modules
-# are already in locals() and those statements do not do anything.
 import os, logging
 from .. import config
 

io_ogre/ogre/scene.py

@@ -1,39 +1,17 @@
-
 # When bpy is already in local, we know this is not the initial import...
 if "bpy" in locals():
-    # ...so we need to reload our submodule(s) using importlib
     import importlib
-    if "material" in locals():
-        importlib.reload(material)
-    if "materialv2json" in locals():
-        importlib.reload(materialv2json)
-    if "node_anim" in locals():
-        importlib.reload(node_anim)
-    if "mesh" in locals():
-        importlib.reload(mesh)
-    if "skeleton" in locals():
-        importlib.reload(skeleton)
-    if "config" in locals():
-        importlib.reload(config)
-    if "util" in locals():
-        importlib.reload(util)
-    if "report" in locals():
-        importlib.reload(report)
-    if "xml" in locals():
-        importlib.reload(xml)
-
-# This is only relevant on first run, on later reloads those modules
-# are already in locals() and those statements do not do anything.
-import bpy, mathutils, os, getpass, math
+    #print("Reloading modules: material, materialv2json, node_anim, mesh, skeleton")
+    importlib.reload(material)
+    importlib.reload(materialv2json)
+    importlib.reload(node_anim)
+    importlib.reload(mesh)
+    importlib.reload(skeleton)
+
+import bpy, mathutils, os, getpass, math, logging
 from os.path import join
-from . import material
-from . import materialv2json
-from . import node_anim
-from . import mesh
-from . import skeleton
-from .. import bl_info
-from .. import config
-from .. import util
+from . import material, materialv2json, node_anim, mesh, skeleton
+from .. import bl_info, config, util
 from ..report import Report
 from ..util import *
 from ..xml import *

io_ogre/ogre/skeleton.py

@@ -1,19 +1,3 @@
-
-# When bpy is already in local, we know this is not the initial import...
-if "bpy" in locals():
-    # ...so we need to reload our submodule(s) using importlib
-    import importlib
-    if "config" in locals():
-        importlib.reload(config)
-    if "report" in locals():
-        importlib.reload(report)
-    if "xml" in locals():
-        importlib.reload(xml)
-    if "util" in locals():
-        importlib.reload(util)
-
-# This is only relevant on first run, on later reloads those modules
-# are already in locals() and those statements do not do anything.
 import bpy, mathutils, logging, time, sys
 from .. import config
 from ..report import Report