diff --git a/workspace_tools/export/iar.py b/workspace_tools/export/iar.py
index 6c3ea0d0ca..d13cdc9473 100644
--- a/workspace_tools/export/iar.py
+++ b/workspace_tools/export/iar.py
@@ -14,10 +14,13 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 """
-from exporters import Exporter
+from workspace_tools.export.exporters import Exporter
 import re
-
+import os
 class IAREmbeddedWorkbench(Exporter):
+    """
+    Exporter class for IAR Systems.
+    """
     NAME = 'IAR'
     TOOLCHAIN = 'IAR'
 
@@ -70,15 +73,18 @@ class IAREmbeddedWorkbench(Exporter):
     ]
 
     def generate(self):
+        """
+        Generates the project files
+        """
         sources = []
         sources += self.resources.c_sources
         sources += self.resources.cpp_sources
         sources += self.resources.s_sources
-        
-        iar_files = IAR_FOLDER("","",[])
+
+        iar_files = IarFolder("", "", [])
         for source in sources:
             iar_files.insert_file(source)
-          
+
         ctx = {
             'name': self.program_name,
             'include_paths': self.resources.inc_dirs,
@@ -93,18 +99,31 @@ class IAREmbeddedWorkbench(Exporter):
         self.gen_file('iar.eww.tmpl', ctx, '%s.eww' % self.program_name)
         self.gen_file('iar_%s.ewd.tmpl' % self.target.lower(), ctx, '%s.ewd' % self.program_name)
 
-class IAR_FOLDER:
-    #input:
-    #folder_level : folder path to current folder
-    #folder_name : name of current folder
-    #source_files : list of source_files (all must be in same directory)
+class IarFolder():
+    """
+    This is a recursive folder object.
+    To present the folder structure in the IDE as it is presented on the disk.
+    This can be used for uvision as well if you replace the __str__ method.
+    Example:
+    files: ./main.cpp, ./apis/I2C.h, ./mbed/common/I2C.cpp
+    in the project this would look like:
+    main.cpp
+    common/I2C.cpp
+    input:
+    folder_level : folder path to current folder
+    folder_name : name of current folder
+    source_files : list of source_files (all must be in same directory)
+    """
     def __init__(self, folder_level, folder_name, source_files):
         self.folder_level = folder_level
         self.folder_name = folder_name
         self.source_files = source_files
-        self.sub_folders = {};
-    
+        self.sub_folders = {}
+
     def __str__(self):
+        """
+        converts the folder structue to IAR project format.
+        """
         group_start = ""
         group_end = ""
         if self.folder_name != "":
@@ -115,45 +134,47 @@ class IAR_FOLDER:
         #Add files in current folder
         if self.source_files:
             for src in self.source_files:
-                str_content += "<file>\n<name>$PROJ_DIR$\\%s</name>\n</file>\n" % src
-        ##Add sub folders
+                str_content += "<file>\n<name>$PROJ_DIR$/%s</name>\n</file>\n" % src
+        #Add sub folders
         if self.sub_folders:
             for folder_name in self.sub_folders.iterkeys():
                 str_content += self.sub_folders[folder_name].__str__()
-        
+
         str_content += group_end
         return str_content
-    
-    
+
     def insert_file(self, source_input):
+        """
+        Inserts a source file into the folder tree
+        """
         if self.source_files:
-            dir_sources = IAR_FOLDER.get_directory(self.source_files[0]) ##All source_files in a IAR_FOLDER must be in same directory.
-            if not self.folder_level == dir_sources: ## Check if sources are already at their deepest level.
+            #All source_files in a IarFolder must be in same directory.
+            dir_sources = IarFolder.get_directory(self.source_files[0])
+            #Check if sources are already at their deepest level.
+            if not self.folder_level == dir_sources:
                 _reg_exp = r"^" + re.escape(self.folder_level) + r"[/\\]?([^/\\]+)"
-                folder_name = re.match( _reg_exp, dir_sources).group(1)
-                self.sub_folders[folder_name] = IAR_FOLDER(self.folder_level + "\\" + folder_name, folder_name, self.source_files)
+                folder_name = re.match(_reg_exp, dir_sources).group(1)
+                self.sub_folders[folder_name] = IarFolder(os.path.join(self.folder_level, folder_name), folder_name, self.source_files)
                 self.source_files = []
-  
-        dir_input = IAR_FOLDER.get_directory(source_input)
+
+        dir_input = IarFolder.get_directory(source_input)
         if dir_input == self.folder_level:
             self.source_files.append(source_input)
         else:
             _reg_exp = r"^" + re.escape(self.folder_level) + r"[/\\]?([^/\\]+)"
-            folder_name = re.match( _reg_exp, dir_input).group(1)
+            folder_name = re.match(_reg_exp, dir_input).group(1)
             if self.sub_folders.has_key(folder_name):
                 self.sub_folders[folder_name].insert_file(source_input)
             else:
-                if self.folder_level == "": #Top level exception
-                    self.sub_folders[folder_name] = IAR_FOLDER(folder_name, folder_name, [source_input])
+                if self.folder_level == "":
+                    #Top level exception
+                    self.sub_folders[folder_name] = IarFolder(folder_name, folder_name, [source_input])
                 else:
-                    self.sub_folders[folder_name] = IAR_FOLDER(self.folder_level + "\\" + folder_name, folder_name, [source_input])
+                    self.sub_folders[folder_name] = IarFolder(os.path.join(self.folder_level, folder_name), folder_name, [source_input])
 
-    @staticmethod    
+    @staticmethod
     def get_directory(file_path):
-        dir_Match = re.match( r'(.*)[/\\][^/\\]+', file_path)
-        if dir_Match is not None:
-            return dir_Match.group(1)
-        else:
-            return ""
-            
-            
\ No newline at end of file
+        """
+        Returns the directory of the file
+        """
+        return os.path.dirname(file_path)