Implement sub-api callbackso

When an api object makes an API request to the OBS server, in
addition to returning the results, it sends a reference to
itself to the registered callback function (if set).

We use this to track the last api object called so we can access
the last raw request response.

1 files changed, 17 insertions, 2 deletions

diff --git a/obsapi/core.py b/obsapi/core.py
index c81f699..209aab2 100644
--- a/obsapi/core.py
+++ b/obsapi/core.py
@@ -8,6 +8,7 @@ from obsapi.sourceapi import ObsSourceApi
 from obsapi.buildapi import ObsBuildApi
 from obsapi.repoflags import RepoFlags
 from obsapi.fileinfo import FileInfo
+from .null import Null
 
 
 LSItem = namedtuple('LSItem', 'name md5 size mtime')
@@ -34,13 +35,27 @@ class ObsApi(object):
 
     def __init__(self, apiurl=None):
         self.apiurl = apiurl or DEFAULTAPIURL
+        self.lastapi = Null
+        self._response = Null
+
+        # init the source api
         self.source = ObsSourceApi(self.apiurl)
-        self.build = ObsBuildApi(self.apiurl)
         self.source.retries = 0
         self.source.verify_ssl = True
+        self.source.set_callback(self._api_callback)
+
+        # init the build api
+        self.build = ObsBuildApi(self.apiurl)
         self.build.retries = 0
         self.build.verify_ssl = True
-        self.lastapi = None
+        self.build.set_callback(self._api_callback)
+
+    def _api_callback(self, api_instance):
+        self.lastapi = api_instance
+
+    @property
+    def response(self):
+        return self.lastapi.response
 
     def get_meta(self, prj, pkg=None):
         return self.source.get_meta(prj, pkg=pkg)