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scanpypi: rework download_package error handling

Some packages don't provide source archive but only a wheel file. In
this case download variable is not defined. So define this variable at
the very beginning and check whether it is None after searching for
source archives in the metadata.

Bonus: fix PEP8 issue with wrong indentation.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Yegor Yefremov 6 年 前
コミット
fb775f4c87
1 ファイル変更9 行追加5 行削除
  1. 9 5
      utils/scanpypi

+ 9 - 5
utils/scanpypi

@@ -178,6 +178,7 @@ class BuildrootPackage():
         """
         Download a package using metadata from pypi
         """
+        download = None
         try:
             self.metadata['urls'][0]['filename']
         except IndexError:
@@ -201,7 +202,7 @@ class BuildrootPackage():
                 continue
             try:
                 print('Downloading package {pkg} from {url}...'.format(
-                      pkg=self.real_name, url=download_url['url']))
+                    pkg=self.real_name, url=download_url['url']))
                 download = six.moves.urllib.request.urlopen(download_url['url'])
             except six.moves.urllib.error.HTTPError as http_error:
                 download = http_error
@@ -213,11 +214,14 @@ class BuildrootPackage():
                 self.md5_sum = hashlib.md5(self.as_string).hexdigest()
                 if self.md5_sum == download_url['digests']['md5']:
                     break
-        else:
-            if download.__class__ == six.moves.urllib.error.HTTPError:
-                raise download
-            raise DownloadFailed('Failed to download package {pkg}'
+
+        if download is None:
+            raise DownloadFailed('Failed to download package {pkg}: '
+                                 'No source archive available'
                                  .format(pkg=self.real_name))
+        elif download.__class__ == six.moves.urllib.error.HTTPError:
+            raise download
+
         self.filename = self.used_url['filename']
         self.url = self.used_url['url']