1 files changed, 12 insertions, 1 deletions
diff --git a/quality_control/parsing.py b/quality_control/parsing.py
index 9f8e8ee..f1f4f79 100644
--- a/quality_control/parsing.py
+++ b/quality_control/parsing.py
@@ -4,6 +4,7 @@ import os
 import collections
 from enum import Enum
 from functools import partial
+from zipfile import ZipFile, is_zipfile
 from typing import Iterable, Generator, Callable, Optional
 
 import quality_control.average as avg
@@ -79,11 +80,21 @@ def collect_errors(
             return errors + tuple(error for error in errs if error is not None)
         return errors + (errs,)
 
-    with open(filepath, encoding="utf-8") as input_file:
+    def __open_file__(filepath):
+        if not is_zipfile(filepath):
+            return open(filepath, encoding="utf-8")
+
+        with ZipFile(filepath, "r") as zfile:
+            return zfile.open(zfile.infolist()[0], "r")
+
+    with __open_file__(filepath) as input_file:
         for line_number, line in enumerate(input_file, start=1):
             if user_aborted():
                 break
 
+            if isinstance(line, bytes):
+                line = line.decode("utf-8")
+
             if line_number == 1:
                 for error in __process_errors__(
                         line_number, line, partial(header_errors, strains=strains),