Split up subproject validation

trans/models/subproject.py

@@ -735,6 +735,32 @@ class SubProject(models.Model):
         self.update_remote_branch()
         self.update_branch()
 
+
+    def clean_repo_link(self):
+        '''
+        Validates repository link.
+        '''
+        if self.push != '':
+            raise ValidationError(
+                _('Push URL is not used when repository is linked!')
+            )
+        validate_repo(self.repo)
+
+    def clean_template(self):
+        '''
+        Validates whether template can be loaded.
+        '''
+        try:
+            self.load_template_store()
+        except ValueError:
+            raise ValidationError(
+                _('Format of translation template could not be recognized.')
+            )
+        except Exception as e:
+            raise ValidationError(
+                _('Failed to parse translation template.')
+            )
+
     def clean(self):
         '''
         Validator fetches repository and tries to find translation files.
@@ -748,16 +774,13 @@ class SubProject(models.Model):
         self.sync_git_repo(True)
 
         # Push repo is not used with link
-        if self.is_repo_link() and self.push != '':
-            raise ValidationError(
-                _('Push URL is not used when repository is linked!')
-            )
+        if self.is_repo_link():
+            self.clean_repo_link()
 
-        try:
         matches = self.get_mask_matches()
         if len(matches) == 0:
             raise ValidationError(_('The mask did not match any files!'))
-            langs = {}
+        langs = set()
         for match in matches:
             code = self.get_lang_code(match)
             if code in langs:
@@ -766,7 +789,7 @@ class SubProject(models.Model):
                     'adjust the mask and use subprojects for translating '
                     'different resources.'
                 ))
-                langs[code] = match
+            langs.add(code)
 
         # Try parsing files
         notrecognized = []
@@ -793,17 +816,7 @@ class SubProject(models.Model):
 
         # Validate template
         if self.has_template():
-                try:
-                    self.load_template_store()
-                except ValueError:
-                    raise ValidationError(_('Format of translation template could not be recognized.'))
-                except Exception as e:
-                    raise ValidationError(
-                        _('Failed to parse translation template.')
-                    )
-        except SubProject.DoesNotExist:
-            # Happens with invalid link
-            pass
+            self.clean_template()
 
     def get_template_filename(self):
         '''