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python-lastfm
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refactored out search API methods in searchable module. applied the module to artist, tag and track.

master
Abhinav Sarkar 2008-10-03 15:09:18 +00:00
parent e1a9541f7d
commit 302f943805
5 changed files with 93 additions and 122 deletions
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6
src/api.py
View File

@ -110,7 +110,7 @@ class Api(object):
def searchArtist(self,
artist,
limit = None):
return Artist.search(self, artist, limit)
return Artist.search(self, searchItem = artist, limit = limit)
def getEvent(self, event):
return Event.getInfo(self, event)
@ -136,7 +136,7 @@ class Api(object):
def searchTag(self,
tag,
limit = None):
return Tag.search(self, tag, limit)
return Tag.search(self, searchItem = tag, limit = limit)
def compareTaste(self,
type1, type2,
@ -155,7 +155,7 @@ class Api(object):
limit = None):
if isinstance(artist, Artist):
artist = artist.name
return Track.search(self, track, artist, limit)
return Track.search(self, searchItem = track, limit = limit, artist = artist)
def getUser(self, name):
user = None

47
src/artist.py
View File

@ -7,9 +7,10 @@ __license__ = "GNU Lesser General Public License"
from base import LastfmBase
from taggable import Taggable
from sharable import Sharable
from searchable import Searchable
from lazylist import lazylist
class Artist(LastfmBase, Taggable, Sharable):
class Artist(LastfmBase, Taggable, Sharable, Searchable):
"""A class representing an artist."""
def init(self,
api,
@ -254,41 +255,15 @@ class Artist(LastfmBase, Taggable, Sharable):
pass
@staticmethod
def search(api,
artist,
limit = None):
params = {'method': 'artist.search', 'artist': artist}
if limit:
params.update({'limit': limit})
@lazylist
def gen(lst):
data = api._fetchData(params).find('results')
totalPages = int(data.findtext("{%s}totalResults" % Api.SEARCH_XMLNS))/ \
int(data.findtext("{%s}itemsPerPage" % Api.SEARCH_XMLNS)) + 1
@lazylist
def gen2(lst, data):
for a in data.findall('artistmatches/artist'):
yield Artist(
api,
name = a.findtext('name'),
mbid = a.findtext('mbid'),
url = a.findtext('url'),
image = dict([(i.get('size'), i.text) for i in a.findall('image')]),
streamable = (a.findtext('streamable') == '1'),
)
for a in gen2(data):
yield a
for page in xrange(2, totalPages+1):
params.update({'page': page})
data = api._fetchData(params).find('results')
for a in gen2(data):
yield a
return gen()
def _searchYieldFunc(api, artist):
return Artist(
api,
name = artist.findtext('name'),
mbid = artist.findtext('mbid'),
url = artist.findtext('url'),
image = dict([(i.get('size'), i.text) for i in artist.findall('image')]),
streamable = (artist.findtext('streamable') == '1'),
)
@staticmethod
def _fetchData(api,
artist = None,

47
src/searchable.py Normal file
View File

@ -0,0 +1,47 @@
#!/usr/bin/env python
__author__ = "Abhinav Sarkar <abhinav@abhinavsarkar.net>"
__version__ = "0.2"
__license__ = "GNU Lesser General Public License"
from lazylist import lazylist
class Searchable(object):
@classmethod
def search(cls,
api,
searchItem,
limit = None,
**kwds):
from api import Api
clsName = cls.__name__.lower()
params = {
'method': '%s.search'%clsName,
clsName: searchItem
}
for kwd in kwds:
if kwds[kwd] is not None:
params[kwd] = kwds[kwd]
if limit:
params.update({'limit': limit})
@lazylist
def gen(lst):
data = api._fetchData(params).find('results')
totalPages = int(data.findtext("{%s}totalResults" % Api.SEARCH_XMLNS))/ \
int(data.findtext("{%s}itemsPerPage" % Api.SEARCH_XMLNS)) + 1
@lazylist
def gen2(lst, data):
for a in data.findall('%smatches/%s'%(clsName, clsName)):
yield cls._searchYieldFunc(api, a)
for a in gen2(data):
yield a
for page in xrange(2, totalPages+1):
params.update({'page': page})
data = api._fetchData(params).find('results')
for a in gen2(data):
yield a
return gen()

48
src/tag.py
View File

@ -5,9 +5,10 @@ __version__ = "0.2"
__license__ = "GNU Lesser General Public License"
from base import LastfmBase
from searchable import Searchable
from lazylist import lazylist
class Tag(LastfmBase):
class Tag(LastfmBase, Searchable):
""""A class representing a tag."""
def init(self,
api,
@ -186,41 +187,16 @@ class Tag(LastfmBase):
]
@staticmethod
def search(api,
tag,
limit = None):
params = {'method': 'tag.search', 'tag': tag}
if limit:
params.update({'limit': limit})
@lazylist
def gen(lst):
data = api._fetchData(params).find('results')
totalPages = int(data.findtext("{%s}totalResults" % Api.SEARCH_XMLNS))/ \
int(data.findtext("{%s}itemsPerPage" % Api.SEARCH_XMLNS)) + 1
@lazylist
def gen2(lst, data):
for t in data.findall('tagmatches/tag'):
yield Tag(
api,
name = t.findtext('name'),
url = t.findtext('url'),
stats = Stats(
subject = t.findtext('name'),
count = int(t.findtext('count')),
)
)
for t in gen2(data):
yield t
for page in xrange(2, totalPages+1):
params.update({'page': page})
data = api._fetchData(params).find('results')
for t in gen2(data):
yield t
return gen()
def _searchYieldFunc(api, tag):
return Tag(
api,
name = tag.findtext('name'),
url = tag.findtext('url'),
stats = Stats(
subject = tag.findtext('name'),
count = int(tag.findtext('count')),
)
)
@staticmethod
def hashFunc(*args, **kwds):

67
src/track.py
View File

@ -7,9 +7,10 @@ __license__ = "GNU Lesser General Public License"
from base import LastfmBase
from taggable import Taggable
from sharable import Sharable
from searchable import Searchable
from lazylist import lazylist
class Track(LastfmBase, Taggable, Sharable):
class Track(LastfmBase, Taggable, Sharable, Searchable):
"""A class representing a track."""
def init(self,
api,
@ -261,52 +262,24 @@ class Track(LastfmBase, Taggable, Sharable):
self.__api._postData(params)
@staticmethod
def search(api,
track,
artist = None,
limit = None):
params = {'method': 'track.search', 'track': track}
if artist is not None:
params.update({'artist': artist})
if limit is not None:
params.update({'limit': limit})
@lazylist
def gen(lst):
data = api._fetchData(params).find('results')
totalPages = int(data.findtext("{%s}totalResults" % Api.SEARCH_XMLNS))/ \
int(data.findtext("{%s}itemsPerPage" % Api.SEARCH_XMLNS)) + 1
@lazylist
def gen2(lst, data):
for t in data.findall('trackmatches/track'):
yield Track(
api,
name = t.findtext('name'),
artist = Artist(
api,
name = t.findtext('artist')
),
url = t.findtext('url'),
stats = Stats(
subject = t.findtext('name'),
listeners = int(t.findtext('listeners'))
),
streamable = (t.findtext('streamable') == '1'),
fullTrack = (t.find('streamable').attrib['fulltrack'] == '1'),
image = dict([(i.get('size'), i.text) for i in t.findall('image')]),
)
for t in gen2(data):
yield t
for page in xrange(2, totalPages+1):
params.update({'page': page})
data = api._fetchData(params).find('results')
for t in gen2(data):
yield t
return gen()
def _searchYieldFunc(api, track):
return Track(
api,
name = track.findtext('name'),
artist = Artist(
api,
name=track.findtext('artist')
),
url = track.findtext('url'),
stats = Stats(
subject=track.findtext('name'),
listeners=int(track.findtext('listeners'))
),
streamable = (track.findtext('streamable') == '1'),
fullTrack = (track.find('streamable').attrib['fulltrack'] == '1'),
image = dict([(i.get('size'), i.text) for i in track.findall('image')]),
)
@staticmethod
def _fetchData(api,
artist = None,