X-Git-Url: https://git.kaliko.me/?a=blobdiff_plain;f=sima%2Flib%2Fsimaecho.py;h=bbfc11416d8fafd8a4f7eaa4b1e064af924848d5;hb=92860d5ab0d6008fad149eea960de91acd15719a;hp=716a43eb169094bf7e8d0c67963484f4197a436d;hpb=774f4b39de0b2ad7aa0e6ed3d7cc739a5456e8c5;p=mpd-sima.git

diff --git a/sima/lib/simaecho.py b/sima/lib/simaecho.py
index 716a43e..bbfc114 100644
--- a/sima/lib/simaecho.py
+++ b/sima/lib/simaecho.py
@@ -25,15 +25,14 @@ __version__ = '0.0.1'
 __author__ = 'Jack Kaliko'
 
 
-import logging
-
 from datetime import datetime, timedelta
-from time import sleep
 
 from requests import get, Request, Timeout, ConnectionError
 
 from sima import ECH
 from sima.lib.meta import Artist
+from sima.lib.track import Track
+from sima.utils.utils import WSError, WSNotFound, WSTimeout, WSHTTPError
 from sima.utils.utils import getws, Throttle, Cache, purge_cache
 if len(ECH.get('apikey')) == 23:  # simple hack allowing imp.reload
     getws(ECH)
@@ -43,25 +42,14 @@ WAIT_BETWEEN_REQUESTS = timedelta(0, 1)
 SOCKET_TIMEOUT = 4
 
 
-class EchoError(Exception):
-    pass
-
-class EchoNotFound(EchoError):
-    pass
-
-class EchoTimeout(EchoError):
-    pass
-
-class EchoHTTPError(EchoError):
-    pass
-
-class SimaEch():
-    """
+class SimaEch:
+    """EchoNest http client
     """
     root_url = 'http://{host}/api/{version}'.format(**ECH)
     cache = {}
     timestamp = datetime.utcnow()
     ratelimit = None
+    name = 'EchoNest'
 
     def __init__(self, cache=True):
         self.artist = None
@@ -77,21 +65,21 @@ class SimaEch():
             self.current_element = SimaEch.cache.get(url).elem
             return
         try:
-            self._fetch_ech(payload)
+            self._fetch_ws(payload)
         except Timeout:
-            raise EchoTimeout('Failed to reach server within {0}s'.format(
+            raise WSTimeout('Failed to reach server within {0}s'.format(
                                SOCKET_TIMEOUT))
         except ConnectionError as err:
-            raise EchoError(err)
+            raise WSError(err)
 
     @Throttle(WAIT_BETWEEN_REQUESTS)
-    def _fetch_ech(self, payload):
+    def _fetch_ws(self, payload):
         """fetch from web service"""
         req = get(self._ressource, params=payload,
                             timeout=SOCKET_TIMEOUT)
         self.__class__.ratelimit = req.headers.get('x-ratelimit-remaining', None)
         if req.status_code is not 200:
-            raise EchoHTTPError(req.status_code)
+            raise WSHTTPError('{0.status_code}: {0.reason}'.format(req))
         self.current_element = req.json()
         self._controls_answer()
         if self.caching:
@@ -106,11 +94,11 @@ class SimaEch():
         if code is 0:
             return True
         if code is 5:
-            raise EchoNotFound('Artist not found: "{0}"'.format(self.artist))
-        raise EchoError(status.get('message'))
+            raise WSNotFound('Artist not found: "{0}"'.format(self.artist))
+        raise WSError(status.get('message'))
 
-    def _forge_payload(self, artist):
-        """
+    def _forge_payload(self, artist, top=False):
+        """Build payload
         """
         payload = {'api_key': ECH.get('apikey')}
         if not isinstance(artist, Artist):
@@ -120,13 +108,22 @@ class SimaEch():
             payload.update(
                     id='musicbrainz:artist:{0}'.format(artist.mbid))
         else:
-           payload.update(name=artist.name)
+            payload.update(name=artist.name)
         payload.update(bucket='id:musicbrainz')
         payload.update(results=100)
+        if top:
+            if artist.mbid:
+                aid = payload.pop('id')
+                payload.update(artist_id=aid)
+            else:
+                name = payload.pop('name')
+                payload.update(artist=name)
+            payload.update(results=100)
+            payload.update(sort='song_hotttnesss-desc')
         return payload
 
     def get_similar(self, artist=None):
-        """
+        """Fetch similar artists
         """
         payload = self._forge_payload(artist)
         # Construct URL
@@ -142,6 +139,24 @@ class SimaEch():
                                           ).lstrip('musicbrainz:artist:')
             yield Artist(mbid=mbid, name=art.get('name'))
 
+    def get_toptrack(self, artist=None):
+        """Fetch artist top tracks
+        """
+        payload = self._forge_payload(artist, top=True)
+        # Construct URL
+        self._ressource = '{0}/song/search'.format(SimaEch.root_url)
+        self._fetch(payload)
+        titles = list()
+        artist = {
+                'artist': artist.name,
+                'musicbrainz_artistid': artist.mbid,
+                }
+        for song in self.current_element.get('response').get('songs'):
+            title = song.get('title')
+            if title not in titles:
+                titles.append(title)
+                yield Track(title=title, **artist)
+
 
 # VIM MODLINE
 # vim: ai ts=4 sw=4 sts=4 expandtab