Merge pull request pypa#3 from DataDog/jaime/fixlogagain

Revert "minor cleanup"

src/pip/_internal/download.py

@@ -74,7 +74,6 @@ def __init__(self, path_to_tuf_config_file):
         function:
 
         {
-          "enable_logging": true,
           "repositories_dir": "repositories",
           "repository_dir": "repository-name",
           "target_path_patterns": ["^.*/(wheels/.*\\.whl)$"],
@@ -92,22 +91,27 @@ def __init__(self, path_to_tuf_config_file):
         with open(path_to_tuf_config_file) as tuf_config_file:
             tuf_config = json.load(tuf_config_file)
 
-        # NOTE: By default, we turn off TUF logging, and use the pip log
-        # instead.
-        tuf.settings.ENABLE_FILE_LOGGING = tuf_config.get('enable_logging',
-                                                          False)
+        # Reconfigure TUF logging, we can use the pip log output
+        tuf.settings.ENABLE_FILE_LOGGING = tuf_config.get('enable_logging', False)
 
         # NOTE: The directory where TUF metadata for *all* repositories are
         # kept.
-        tuf.settings.repositories_directory = tuf_config['repositories_dir']
+        if os.path.isabs(tuf_config['repositories_dir']):
+            tuf.settings.repositories_directory = tuf_config['repositories_dir']
+        else:
+            tuf.settings.repositories_directory = os.path.join(
+                os.path.dirname(path_to_tuf_config_file),
+                tuf_config['repositories_dir']
+            )
 
         # NOTE: Tell TUF where SSL certificates are kept.
         tuf.settings.ssl_certificates = certifi.where()
 
+
         # NOTE: The directory where the targets for *this* repository is
         # cached. We hard-code this keep this to a subdirectory dedicated to
         # this repository.
-        self.__targets_dir = os.path.join(tuf_config['repositories_dir'],
+        self.__targets_dir = os.path.join(tuf.settings.repositories_directory,
                                           tuf_config['repository_dir'],
                                           'targets')
 
@@ -170,6 +174,7 @@ def download(self, target_relpath, dest_dir, dest_filename):
 if 'TUF_CONFIG_FILE' in os.environ:
     import certifi
     import tuf.settings
+    tuf.settings.ENABLE_FILE_LOGGING = False
 
     from tuf.client.updater import Updater