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import client, page
class List(object):
def __init__(self, site, list_name, prefix, limit = None, return_values = None, *args, **kwargs):
# NOTE: Fix limit
self.site = site
self.list_name = list_name
self.generator = 'list'
self.prefix = prefix
kwargs.update(args)
self.args = kwargs
if limit is None: limit = site.api_limit
self.args[self.prefix + 'limit'] = str(limit)
self._iter = iter(xrange(0))
self.last = False
self.result_member = list_name
self.return_values = return_values
def __iter__(self):
return self
def next(self, full = False):
try:
item = self._iter.next()
if 'timestamp' in item:
item['timestamp'] = client.parse_timestamp(item['timestamp'])
if full: return item
if type(self.return_values) is tuple:
return tuple((item[i] for i in self.return_values))
elif self.return_values is None:
return item
else:
return item[self.return_values]
except StopIteration:
if self.last: raise StopIteration
self.load_chunk()
return List.next(self, full = full)
def load_chunk(self):
data = self.site.api('query', (self.generator, self.list_name), *[(str(k), v) for k, v in self.args.iteritems()])
if not data:
# Non existent page
raise StopIteration
self.set_iter(data)
if self.list_name in data.get('query-continue', ()):
self.args.update(data['query-continue'][self.list_name])
else:
self.last = True
def set_iter(self, data):
if self.result_member not in data['query']:
self._iter = iter(xrange(0))
elif type(data['query'][self.result_member]) is list:
self._iter = iter(data['query'][self.result_member])
else:
self._iter = data['query'][self.result_member].itervalues()
def __repr__(self):
return "<List object '%s' for %s>" % (self.list_name, self.site)
@staticmethod
def generate_kwargs(_prefix, *args, **kwargs):
kwargs.update(args)
for key, value in kwargs.iteritems():
if value != None:
yield _prefix + key, value
@staticmethod
def get_prefix(prefix, generator = False):
if generator:
return 'g' + prefix
else:
return prefix
@staticmethod
def get_list(generator = False):
if generator:
return GeneratorList
else:
return List
class GeneratorList(List):
def __init__(self, site, list_name, prefix, *args, **kwargs):
List.__init__(self, site, list_name, prefix, *args, **kwargs)
self.args['g' + self.prefix + 'limit'] = self.args[self.prefix + 'limit']
del self.args[self.prefix + 'limit']
self.generator = 'generator'
self.args['prop'] = 'info|imageinfo'
self.args['inprop'] = 'protection'
self.args['iiprop'] = 'timestamp|user|comment|url|size|sha1|metadata'
self.result_member = 'pages'
self.page_class = page.Page
def next(self):
info = List.next(self, full = True)
if info['ns'] == 14:
return Category(self.site, u'', info)
if info['ns'] == 6:
return page.Image(self.site, u'', info)
return page.Page(self.site, u'', info)
class Category(page.Page, GeneratorList):
def __init__(self, site, name, info = None, namespace = None):
page.Page.__init__(self, site, name, info)
kwargs = {'gcmcategory': self.strip_namespace(self.name)}
if namespace: kwargs['gcmnamespace'] = namespace
GeneratorList.__init__(self, site, 'categorymembers', 'cm', **kwargs)
def __repr__(self):
return "<Category object '%s' for %s>" % (self.name.encode('utf-8'), self.site)
def members(self, prop = 'ids|title', namespace = None, sort = 'sortkey',
dir = 'asc', generator = True):
prefix = self.get_prefix('cm', generator)
kwargs = dict(self.generate_kwargs(prefix, prop = prop, namespace = namespace,
sort = sort, dir = dir))
return self.get_list(generator)(self.site, 'categorymembers', 'cm', **kwargs)
class PageList(GeneratorList):
def __init__(self, site, prefix = None, start = None, namespace = 0, redirects = 'all'):
self.namespace = namespace
kwargs = {}
if prefix: kwargs['apprefix'] = prefix
if start: kwargs['apfrom'] = start
GeneratorList.__init__(self, site, 'allpages', 'ap',
apnamespace = str(namespace), apfilterredir = redirects, **kwargs)
def __getitem__(self, name):
return self.get(name, None)
def get(self, name, info = ()):
if self.namespace == 14:
return Category(self.site, self.site.namespaces[14] + ':' + name, info)
elif self.namespace == 6:
return page.Image(self.site, self.site.namespaces[6] + ':' + name, info)
elif self.namespace != 0:
return page.Page(self.site, self.site.namespaces[self.namespace] + ':' + name, info)
else:
# Guessing page class
namespace = self.guess_namespace(name)
if namespace == 14:
return Category(self.site, name, info)
elif namespace == 6:
return page.Image(self.site, name, info)
else:
return page.Page(self.site, name, info)
def guess_namespace(self, name):
normal_name = page.Page.normalize_title(name)
for ns in self.site.namespaces:
if ns == 0: continue
if name.startswith(u'%s:' % self.site.namespaces[ns].replace(' ', '_')):
return ns
elif ns in self.site.default_namespaces:
if name.startswith(u'%s:' % self.site.default_namespaces[ns].replace(' ', '_')):
return ns
return 0
class PageProperty(List):
def __init__(self, page, prop, prefix, *args, **kwargs):
List.__init__(self, page.site, prop, prefix, titles = page.name, *args, **kwargs)
self.page = page
self.generator = 'prop'
def set_iter(self, data):
for page in data['query']['pages'].itervalues():
if page['title'] == self.page.name:
self._iter = iter(page.get(self.list_name, ()))
return
raise StopIteration
class PagePropertyGenerator(GeneratorList):
def __init__(self, page, prop, prefix, *args, **kwargs):
GeneratorList.__init__(self, page.site, prop, prefix, titles = page.name, *args, **kwargs)
self.page = page