add fault tolerance, don't stop running if exception occurs extractin…

…g inner zip

src/main.py

@@ -8,17 +8,22 @@
 
 
 def unzip(path, rm_zips=True):
+    errors = []
     # iterate over sub directories of path
     for dir in glob.glob(path + "*/"):
 
         # unzip all files in subdirectories
         for file in glob.glob(dir + "*.zip"):
             # extract zip to path
-            zipfile.ZipFile(file).extractall(dir)
+            try:
+                zipfile.ZipFile(file).extractall(dir)
+            except:
+                errors.append(os.path.basename(file))
 
             # remove zip after extraction
             if rm_zips:
                 os.remove(file)
+    return errors
 
 
 def remove_empty_folders(path):
@@ -46,6 +51,8 @@ def unzip_outer(zip_path, names):
             # extract file to folder the zipfile is currently in
             archive.extract(file, os.path.dirname(zip_path))
 
+    archive.close()
+
 
 def missing_names(path, names):
     '''

ui.py

@@ -162,7 +162,10 @@ def do_work(self):
                 main.unzip_outer(zip_path, names)
 
                 # get directory of zipfile, unzip and move files in subdirectories
-                main.unzip(cwd, rm_zips=self.rm_zips.get())
+                extraction_errors = main.unzip(cwd, rm_zips=self.rm_zips.get())
+                if extraction_errors:
+                    self.error_label.configure(text=self.error_label.cget("text") +
+                                                        "Exception extracting: {}\n".format(extraction_errors))
 
                 missing_names = main.missing_names(cwd, names)
                 if missing_names:
@@ -188,6 +191,8 @@ def do_work(self):
                 self.completion_label.configure(text="Finished!")
                 print("Finished!")
         except:
-            self.error_label.configure(text=self.error_label.cget("text") + "Exception extracting files\n")
+            # catch exception to allow prompt within ui, then re-raise exception
+            self.error_label.configure(text=self.error_label.cget("text") + "Exception extracting files. Check the console\n")
+            raise
 
 App()