Added possibility to read Tab separated files.

Convert-EUProcessingFactorsDB/mcra.py

@@ -179,6 +179,13 @@ class DataSheet:
                     if key not in kwargs:
                         kwargs[key] = value
                 self.sheet = pd.read_csv(self.file.path, **kwargs)
+            elif self.file.extension == '.tsv':
+                # Some defaults:
+                default_args = {'comment': '#', 'dtype': str, 'sep': '\t'}
+                for key, value in default_args.items():
+                    if key not in kwargs:
+                        kwargs[key] = value
+                self.sheet = pd.read_csv(self.file.path, **kwargs)
             elif self.file.extension == '.xlsx':
                 self.sheet = pd.read_excel(self.file.path, **kwargs)
             elif self.file.extension == '.md':
@@ -203,6 +210,17 @@ class DataSheet:
             self.sheet.to_csv(
                 path_or_buf=self.file.path,
                 **kwargs)
+        elif self.file.extension == '.tsv':
+            if self.type is None:
+                self.type = 'pandas'
+            # Some defaults:
+            default_args = {'index': False, 'sep': '\t'}
+            for key, value in default_args.items():
+                if key not in kwargs:
+                    kwargs[key] = value
+            self.sheet.to_csv(
+                path_or_buf=self.file.path,
+                **kwargs)
         elif self.file.extension == '.xlsx':
             if self.type is None:
                 self.type = 'pandas'