Follow up change on slapos.libnetworkcache

setup.py

 from setuptools import setup, find_packages
 
-version = '0.1.1'
+version = '0.1.2'
 name = 'slapos.package'
 long_description = open("README.txt").read() + "\n" + \
     open("CHANGES.txt").read() + "\n"
@@ -20,7 +20,7 @@ setup(name=name,
       packages=find_packages(),
       include_package_data=True,
       install_requires=[
-          'slapos.libnetworkcache',
+          'slapos.libnetworkcache>=0.14.1',
           'iniparse',
       ],
       zip_safe=False,

slapos/package/signature.py

@@ -36,9 +36,34 @@ import tempfile
 import datetime
 
 from slapos.networkcachehelper import helper_download_network_cached_to_file
-from slapos.networkcachehelper import helper_upload_network_cached_from_file
+from slapos.networkcachehelper import NetworkcacheClient
 
 
+def helper_upload_network_cached_from_file(dir_url, cache_url,
+    path, directory_key, metadata_dict,
+    signature_private_key_file, shacache_cert_file, shacache_key_file,
+    shadir_cert_file, shadir_key_file):
+  """
+  Upload an existing file, using a file_descriptor.
+  """
+  file_descriptor = open(path, 'r')
+  if not (dir_url and cache_url):
+    return False
+
+  # backward compatibility
+  metadata_dict.setdefault('file', 'notused')
+  metadata_dict.setdefault('urlmd5', 'notused')
+
+  # convert '' into None in order to call nc nicely
+  with NetworkcacheClient(cache_url, dir_url,
+        signature_private_key_file=signature_private_key_file or None,
+        shacache_cert_file=shacache_cert_file or None,
+        shacache_key_file=shacache_key_file or None,
+        shadir_cert_file=shadir_cert_file or None,
+        shadir_key_file=shadir_key_file or None,
+      ) as nc:
+    return nc.upload(file_descriptor, directory_key, **metadata_dict)
+
 class NetworkCache:
   def __init__(self, configuration_path):
     if not os.path.exists(configuration_path):