Merge branch 'master' into krypton

addon.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <addon id="script.xbmcbackup"
-    name="Backup" version="1.1.0" provider-name="robweber">
+    name="Backup" version="1.1.2" provider-name="robweber">
   <requires>
 	<!-- jarvis -->
     <import addon="xbmc.python" version="2.25.0"/>

changelog.txt

@@ -1,3 +1,7 @@
+Version 1.1.2
+
+added fixes to the Dropbox lib for python 2.6
+
 Version 1.1.1
 
 fixed error on authorizers (missing secret/key)

resources/lib/dropbox/oauth.py

@@ -511,5 +511,9 @@ def _params_to_urlencoded(params):
             else:
                 return str(o).encode('utf-8')
 
-    utf8_params = {encode(k): encode(v) for k, v in six.iteritems(params)}
+    #fix for python 2.6
+    utf8_params = {}
+    for k,v in six.iteritems(params):
+        utf8_params[encode(k)] = encode(v)
+
     return url_encode(utf8_params)

resources/lib/dropbox/stone_serializers.py

@@ -237,11 +237,12 @@ class StoneToPythonPrimitiveSerializer(StoneSerializerBase):
     def encode_map(self, validator, value):
         validated_value = validator.validate(value)
 
-        return {
-            self.encode_sub(validator.key_validator, key):
-                self.encode_sub(validator.value_validator, value) for
-            key, value in validated_value.items()
-        }
+        #fix for python 2.6
+        result = {}
+        for key, value in validated_value.items():
+            result[self.encode_sub(validator.key_validator,key)] = self.encode_sub(validator.value_validator, value)
+
+        return result
 
     def encode_nullable(self, validator, value):
         if value is None:
@@ -830,11 +831,12 @@ def _decode_list(
     if not isinstance(obj, list):
         raise bv.ValidationError(
             'expected list, got %s' % bv.generic_type_name(obj))
-    return [
-        _json_compat_obj_decode_helper(
-            data_type.item_validator, item, alias_validators, strict,
-            old_style, for_msgpack)
-        for item in obj]
+
+    result = []
+    for item in obj:
+        result.append(_json_compat_obj_decode_helper(data_type.item_validator, item, alias_validators, strict,old_style, for_msgpack))
+    
+    return result
 
 
 def _decode_map(
@@ -846,15 +848,12 @@ def _decode_map(
     if not isinstance(obj, dict):
         raise bv.ValidationError(
             'expected dict, got %s' % bv.generic_type_name(obj))
-    return {
-        _json_compat_obj_decode_helper(
-            data_type.key_validator, key, alias_validators, strict,
-            old_style, for_msgpack):
-        _json_compat_obj_decode_helper(
-            data_type.value_validator, value, alias_validators, strict,
-            old_style, for_msgpack)
-        for key, value in obj.items()
-    }
+
+    result = {}
+    for key, value in obj.items():
+        result[_json_compat_obj_decode_helper(data_type.key_validator, key, alias_validators, strict,old_style, for_msgpack)] = _json_compat_obj_decode_helper(data_type.value_validator, value, alias_validators, strict,old_style, for_msgpack)
+
+    return result
 
 
 def _decode_nullable(

resources/lib/dropbox/stone_validators.py

@@ -422,10 +422,13 @@ class Map(Composite):
     def validate(self, val):
         if not isinstance(val, dict):
             raise ValidationError('%r is not a valid dict' % val)
-        return {
-            self.key_validator.validate(key):
-                self.value_validator.validate(value) for key, value in val.items()
-        }
+
+        #fix for python 2.6
+        result = {}
+        for key, value in val.items():
+            result[self.key_validator.validate(key)] = self.value_validator.validate(value)
+        
+        return result
 
 
 class Struct(Composite):

resources/lib/vfs.py

@@ -6,9 +6,10 @@ import xbmcgui
 import zipfile
 import zlib
 import os
+import os.path
 import sys
 import dropbox
-from dropbox.files import WriteMode
+from dropbox.files import WriteMode,CommitInfo,UploadSessionCursor
 from pydrive.drive import GoogleDrive
 from authorizers import DropboxAuthorizer,GoogleDriveAuthorizer
 
@@ -118,6 +119,7 @@ class ZipFileSystem(Vfs):
         return self.zip.infolist()
 
 class DropboxFileSystem(Vfs):
+    MAX_CHUNK = 50 * 1000 * 1000 #dropbox uses 150, reduced to 50 for small mem systems
     client = None
     APP_KEY = ''
     APP_SECRET = ''
@@ -188,7 +190,7 @@ class DropboxFileSystem(Vfs):
 
     def exists(self,aFile):
         aFile = self._fix_slashes(aFile)
-        utils.log('check exists:' + aFile)
+        
         if(self.client != None):
             #can't list root metadata
             if(aFile == ''):
@@ -207,11 +209,34 @@ class DropboxFileSystem(Vfs):
         dest = self._fix_slashes(dest)
         
         if(self.client != None):
+            #open the file and get its size
             f = open(source,'rb')
+            f_size = os.path.getsize(source)
+            
             try:
+                if(f_size < self.MAX_CHUNK):
+                    #use the regular upload
                     response = self.client.files_upload(f.read(),dest,mode=WriteMode('overwrite'))
+                else:
+                    #start the upload session
+                    upload_session = self.client.files_upload_session_start(f.read(self.MAX_CHUNK))
+                    upload_cursor = UploadSessionCursor(upload_session.session_id,f.tell())
+                    
+                    while(f.tell() < f_size):
+                        #check if we should finish the upload
+                        if((f_size - f.tell()) <= self.MAX_CHUNK):
+                            #upload and close
+                            self.client.files_upload_session_finish(f.read(self.MAX_CHUNK),upload_cursor,CommitInfo(dest,mode=WriteMode('overwrite')))
+                        else:
+                            #upload a part and store the offset
+                            self.client.files_upload_session_append_v2(f.read(self.MAX_CHUNK),upload_cursor)
+                            upload_cursor.offset = f.tell()
+                    
+                 #if no errors we're good!   
                 return True
-            except:
+            except Exception as anError:
+                utils.log(str(anError))
+                
                 #if we have an exception retry
                 if(retry):
                     return self.put(source,dest,False)