def pruneProducers(self, socgr, gumap, pddb, cutoff=1):
"""
Removes producers with less than the given number of photos.
@param socgr: graph of users
@param groups: list of groups
@param pddb: an open database of {producer:[photo]}
@param cutoff: producers with this many photos or less will be pruned
(default 1)
"""
# TODO NORM maybe also prune groups with >n users
#FIXME HIGH if we prune users, then we also need to prune groups that
#point to this user
delu = []
#for u in socgr.vs[NID]:
# if u in pddb:
# if len(pddb[u]) > cutoff:
# continue
# del pddb[u]
# delu.append(u)
delg = []
for g in gumap:
if g in pddb:
if len(pddb[g]) > cutoff:
continue
del pddb[g]
delg.append(g)
#socgr.delete_vertices([v.index for v in socgr.vs.select(id_in=set(delu))])
for g in delg: del gumap[g]
LOG.info("producer db: pruned %s users, %s groups" % (len(delu), len(delg)))
def main():
from twisted.internet import reactor
from twisted.python import log
import logging
log.PythonLoggingObserver().start()
logging.getLogger().setLevel(level=logging.DEBUG)
LOG.setLevel(level=logging.DEBUG)
api_key = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
api_secret = "XXXXXXXXXXXX"
flickr = TwistedFlickrAPI(api_key, api_secret)
#flickr.authenticate_console("write"
# ).addCallback(log.msg, "<- got token"
# ).addBoth(lambda _: reactor.callLater(0, reactor.stop)
# )
#flickr.upload("test.jpg", is_public="0"
# ).addBoth(log.msg
# ).addBoth(lambda _: reactor.callLater(0, reactor.stop)
# )
flickr.photos_search(user_id='73509078@N00', per_page='10'
).addBoth(log.msg
).addBoth(lambda _: reactor.callLater(0, reactor.stop)
)
reactor.run()
def _FlickrAPI__send_multipart(self, url, body, progress_callback=None):
assert not progress_callback, \
"twisted upload/replace does not support progress callbacks yet"
# would be like
# http://twistedmatrix.com/pipermail/twisted-web/2007-January/003253.html
LOG.debug("Uploading to %s" % url)
reply = getPage(url, method="POST", postdata=str(body),
headers=dict([body.header()]))
return reply
def need_new(token):
if token:
return token, None # good token, no new frob
LOG.debug("Getting frob for new token")
rsp = self.auth_getFrob(auth_token=None, format='xmlnode')
@rsp.addCallback
def valid_frob(rsp):
frob = rsp.frob[0].text
self.validate_frob(frob, perms)
return token, frob
return rsp # automatic deferred chaining
def _FlickrAPI__wrap_in_parser(self, wrapped_method,
parse_format, *args, **kwargs):
if parse_format in rest_parsers and 'format' in kwargs:
kwargs['format'] = 'rest'
LOG.debug('Wrapping call %s(self, %s, %s)' % (wrapped_method, args,
kwargs))
data = wrapped_method(*args, **kwargs)
if parse_format not in rest_parsers:
return data
parser = rest_parsers[parse_format]
return data.addCallback(lambda resp: parser(self, resp))
def _FlickrAPI__flickr_call(self, **kwargs):
LOG.debug("Calling %s" % kwargs)
post_data = self.encode_and_sign(kwargs)
if self.cache and self.cache.get(post_data):
return defer.succeed(self.cache.get(post_data))
url = "http://" + FlickrAPI.flickr_host + FlickrAPI.flickr_rest_form
reply = getPage(url, method="POST", postdata=post_data, headers={
"Content-Type": "application/x-www-form-urlencoded"})
if self.cache is not None:
reply.addCallback(self._add_to_cache, post_data)
return reply
def getSetPhotos(self, sets, x):
"""
Gets sets of a given user and all photos belonging to it
@param sets: an iterable of set ids
@param x: an executor to execute calls in parallel
@return: {set:[photo]}
"""
spmap = {}
#[s.get(NID) for s in self.photosets_getList(user_id=nsid).getchildren()[0].getchildren()]
for r in x.run_to_results_any(partial(self.photosets_getPhotos, photoset_id=sid) for sid in sets):
pset = r.getchildren()[0]
sid = pset.get(NID)
spmap[sid] = [p.get(NID) for p in pset.getchildren()]
LOG.debug("set: got %s photos (%s)" % (len(pset), sid), 6)
return spmap
def commitUserPhotos(self, users, pddb):
"""
Gets the photos of the given users and saves these to a database
@param users: a list of user ids
@param pddb: an open database of {producer:[photo]}
"""
if type(users) != set and len(users) > 16: users = set(users) # efficient membership test
def run(nsid):
# OPT HIGH decide whether we want this many, or whether "faves" only will do
stream = list(self.data_walker(self.people_getPublicPhotos, user_id=nsid, per_page=500))
faves = list(p for p in self.data_walker(self.favorites_getPublicList, user_id=nsid, per_page=500) if p.get("owner") in users)
return stream, faves
def post(nsid, i, (stream, faves)):
photos = [p.get(NID) for p in chain(stream, faves)]
if len(photos) >= 4096:
LOG.info("producer db (user): got %s photos for user %s" % (len(photos), nsid))
pddb[nsid] = photos
def check(token):
if not token:
return None # need new one
LOG.debug("Trying cached token '%s'" % token)
rsp = self.auth_checkToken(auth_token=token, format='xmlnode')
@rsp.addCallback
def check_get(rsp):
tokenPerms = rsp.auth[0].perms[0].text
if tokenPerms == "read" and perms != "read":
return None # need new
elif tokenPerms == "write" and perms == "delete":
return None # need new
return token # is good
@rsp.addErrback
def check_err(err):
err.trap(FlickrError)
LOG.debug("Cached token invalid")
self.token_cache.forget()
return None # need new
return rsp # automatic deferred chaining
def __flickr_call(self, **kwargs):
# Use persistent HTTP connections through a thread-local socket
from flickrapi import LOG
LOG.debug("Calling %s" % kwargs)
post_data = self.encode_and_sign(kwargs)
# Return value from cache if available
if self.cache and self.cache.get(post_data):
return self.cache.get(post_data)
# Thread-local persistent connection
try:
if "conn" not in self.thr.__dict__:
self.thr.conn = HTTPConnection(FlickrAPI.flickr_host)
LOG.debug("connection opened: %s" % FlickrAPI.flickr_host)
self.thr.conn.request("POST", FlickrAPI.flickr_rest_form, post_data,
{"Content-Type": "application/x-www-form-urlencoded"})
reply = self.thr.conn.getresponse().read()
except (ImproperConnectionState, socket.error), e:
LOG.debug("connection error: %s" % repr(e))
self.thr.conn.close()
del self.thr.conn
raise
def scrapeIDs(self, seed, size):
if type(size) != int:
raise TypeError
def next(ss, qq):
id = qq.popleft()
if id in ss: return None
node = self.makeID(id)
qq.extend(node.out.keys())
ss.add_node(node)
return id
s = NodeSample()
q = deque([self.getNSID(seed)])
while len(s) < size:
id = next(s, q)
if id is not None:
LOG.info("id sample: %s/%s (added %s)" % (len(s), size, id))
s.build()
return s
def check_err(err):
err.trap(FlickrError)
LOG.debug("Cached token invalid")
self.token_cache.forget()
return None # need new
def extract_token(rsp):
token = rsp.auth[0].token[0].text
LOG.debug("get_token: new token '%s'" % token)
# store the auth info for next time
self.token_cache.token = token
return token
def post(gid, i, photos):
if len(photos) >= 4096:
LOG.info("producer db (group): got %s photos for group %s" % (len(photos), gid))
pddb[gid] = [p.get(NID) for p in photos]
"""
if vkdb.writeback is not True:
raise ValueError("[vkdb] must have writeback=True")
def syncer(i, (key, items)):
vkdb.sync()
for i, (key, items) in enumerate_cb(kvdb.iteritems(), syncer, every=0x10000):
for item in items:
if item in vkdb:
vkdb[item].append(key)
else:
vkdb[item] = [key]
vkdb.sync()
LOG.info("%s db: inverted %s keys to %s items" % (name, len(kvdb), len(vkdb)))
def commitTagClusters(self, tags, tcdb):
"""
Gets the clusters of all the given tags and saves these to a database
@param tags: a list of tags
@param tcdb: an open database of {tag:[cluster]}
"""
def run(tag):
try:
# FIXME HIGH verify that this does the right thing for unicode tags
# atm all evidence points to flickr not doing clustering anaylses for them...
clusters = self.tags_getClusters(tag=tag).getchildren()[0].getchildren()
except FlickrError, e:
