blob: 174c71e469294aa1d5843500e063473f47b3eafe (
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diff --git a/manuf/manuf.py b/manuf/manuf.py
index e5e9193..09e9687 100755
--- a/manuf/manuf.py
+++ b/manuf/manuf.py
@@ -65,8 +65,14 @@ class MacParser(object):
WFA_URL = "https://gitlab.com/wireshark/wireshark/raw/master/wka"
def __init__(self, manuf_name=None, update=False):
- self._manuf_name = manuf_name or self.get_packaged_manuf_file_path()
- if update:
+ if manuf_name is not None:
+ self._manuf_name = manuf_name
+ self.external_db = True
+ else:
+ self._manuf_name = self.get_packaged_manuf_file_path()
+ self.external_db = False
+
+ if update and self.external_db:
self.update()
else:
self.refresh()
@@ -134,6 +140,9 @@ class MacParser(object):
URLError: If the download fails
"""
+ if manuf_url is None and not self.external_db:
+ return
+
if not manuf_url:
manuf_url = self.MANUF_URL
if not manuf_name:
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