Use the `urllib.request.urlopen`'s `context` argument only if available.

The `context` argument has been added to python 3.4.3 version. We must not use it for older version. Fix #31
2017-04-17 12:09:10 +02:00 · 2017-04-17 12:09:10 +02:00 · 73669f59c8
parent 21abfd97de
commit 73669f59c8
1 changed files with 2 additions and 1 deletions
--- a/kiwix-build.py
+++ b/kiwix-build.py
@ -419,7 +419,8 @@ class BuildEnv:
        else:
            context = None
        batch_size = 1024 * 8
-        with urllib.request.urlopen(file_url, context=context) as resource, open(file_path, 'wb') as file:
+        extra_args = {'context':context} if sys.version_info >= (3, 4, 3) else {}
+        with urllib.request.urlopen(file_url, **extra_args) as resource, open(file_path, 'wb') as file:
            while True:
                batch = resource.read(batch_size)
                if not batch: