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try:
import simplejson as json
except ImportError:
import json
import urllib
from freebase.api import HTTPMetawebSession, MetawebError
from freebase.api import LITERAL_TYPE_IDS
mss = HTTPMetawebSession( 'sandbox.freebase.com', 'nitromaster101@gmail.com', 'something' )
mss.login()
def key_exists( s, k ):
q = {
"id" : k,
"guid" : None }
return not None == s.mqlread( q )
def create_type( s, name, key, ns, cvt=None, tip=None, enum=None, included=[]):
if key_exists( s, ns + "/" + key ):
return
q = {
"create" : "unconditional",
"type" : "/type/type",
"/type/type/domain" : { "connect" : "insert", "id" : ns },
"name" : {"connect" : "insert", "value" : name, "lang" : "/lang/en" },
"key" : {
"connect" : "insert",
"value" : key,
"namespace" : ns }
}
if included:
q['/freebase/type_hints/included_types'] = \
[ {"connect":"insert",
"id":included_id}
for included_id in included ]
if enum:
pass # TODO. What is enumerator?
if cvt:
q['/freebase/type_hints/mediator'] = { "connect" : "update", "value" : True }
if tip:
q['/freebase/documented_object/tip'] = { "connect" : "update", "value" : tip, "lang" : "/lang/en" }
s.mqlwrite( q )
def create_property( s, name, key, schema, expected, unique, disambig=False, tip=None, extra=None ):
if key_exists( s, schema + "/" + key ):
return
q = {
"create" : "unconditional",
"type" : "/type/property",
"name" : name,
"key" : {
"connect" : "insert",
"value" : key,
"namespace" : { "id" : schema },
},
"schema" : { "connect" : "insert", "id" : schema },
"expected_type" : { "connect" : "insert", "id" : expected }
}
if unique:
q['unique'] = { "connect" : "update", "value" : unique }
if tip:
q['/freebase/documented_object/tip'] = { "connect" : "update", "value" : tip, "lang" : "/lang/en" }
if disambig:
q['/freebase/property_hints/disambiguator'] = { "connect" : "update", "value" : True }
if extra:
q.update(extra)
#print json.dumps(q, indent=2)
s.mqlwrite(q)
def delegate_property( s, p, schema, name=None, key=None, expected=None, tip=None):
q = {
"id" : p,
"type" : "/type/property",
"name" : None,
"unique" : None,
"expected_type" : {"id" : None},
"key" : None,
"/freebase/documented_object/tip" : None,
"/freebase/property_hints/disambiguator" : None }
r = s.mqlread(q)
# If the expected_type of the delegator(master) is a primitive, the delegated's
# expected_type must be the same
if r["expected_type"]["id"] in LITERAL_TYPE_IDS:
if expected:
print "You can't set the expected_type if the expected_type of the delegated(master) is a primitive"
expected = r["expected_type"]["id"]
# If the expected_type of the delegator(master) is not a primitive, the delegated's
# expected_type can be different
elif expected is None:
expected = r["expected_type"]["id"]
if not tip and r["/freebase/documented_object/tip"]:
tip = r["/freebase/documented_object/tip"]
if name is None:
name = r["name"]
if key is None:
key = r["key"]
create_property(s, name, key, schema, expected, r['unique'],
r["/freebase/property_hints/disambiguator"],
tip,
{ "/type/property/delegated" : p } )
def reciprocate_property( s, name, key, master, unique, disambig=False, tip=None, extra=None ):
""" We're creating a reciprocate property of the master property. Let's illustrate
the idea behind the function with an example.
Say we examine the /visual_art/art_period_movement/associated_artworks property.
An example of an art_period_movement is the Renaissance, and once associated_artworks
could be the /en/mona_lisa. In this example, /visual_art/art_period_movement/associated_artworks
will be the master property, and /visual_art/artwork/period_or_movement will be the reciprocal.
In order to determine the characterists of the reciprocal property, we must examine the master.
associated_artworks property's schema is /visual_art/art_period_movement and its expected
type is /visual_art/artwork. Notice the similarity to /visual_art/artwork/period_or_movement.
period_or_movement's schema is /visual_art/artwork -- art_period_movement's expected type.
period_or_movement's expected type is /visual_art/art_period_movement -- art_period_movement's
schema!
So, given a master, the reciprocal's schema is the master's expected type and the reciprocal's
expected type is the master's schema. """
q = {
"id" : master,
"/type/property/expected_type" : None,
"/type/property/schema" : None }
r = s.mqlread(q)
ect = r["/type/property/expected_type"]
schema = r["/type/property/schema"]
create_property(s, name, key, ect, schema, unique, disambig, tip,
extra = { "master_property" : master })
def make_subclass(s, sub, super):
q = {
"id" : super,
"type" : "/type/type",
"properties" : [{"id" : None}] }
r = s.mqlread( q )
for p in map(lambda x: x['id'], r['properties'] ):
delegate_property(s, p, sub)
w = {
"id" : sub,
"/freebase/type_hints/included_types" : { "connect" : "insert", "id" : super }}
s.mqlwrite(w)
def gogo(s, base="/base/bingbase"):
create_type(s, "Bridge Player", "bridge_player", base, tip="A bridge player", included=["/people/person", "/common/topic", base+"/topic"])
create_type(s, "Bridge Tournament", "bridge_tournament", base, tip="A bridge tournament", included=["/event/event", "/common/topic", base+"/topic"])
create_type(s, "Bridge Tournament Standings", "bridge_tournament_standings", base, cvt=True, tip="Bridge Tournamen Results")
player = base + "/bridge_player"
tourney = base + "/bridge_tournament"
standing = base + "/bridge_tournament_standings"
# tournament standings
# ideas: create a cvt could be a function, disambig always True, same schema, iono, whatever
create_property(s, "Year", "year", standing, "/type/datetime", True, disambig=True, tip="Year")
create_property(s, "First Place", "first_place", standing, player, False, disambig=True)
create_property(s, "Second Place", "second_place", standing, player, False, disambig=True)
create_property(s, "Tournament", "tournament", standing, tourney, True, disambig=True)
# tournament
reciprocate_property(s, "Standing", "standing", standing + "/tournament", False, disambig=True)
create_property(s, "Location", "location", tourney, "/location/citytown", False, disambig=True)
# bridge player
# standings must be reverses!
reciprocate_property(s, "First Place Finish", "first_place_finish", standing + "/first_place", False, False)
reciprocate_property(s, "Second Place Finish", "second_place_finish", standing + "/second_place", False, False)
#delegator property test
delegate_property(mss, "/people/person/date_of_birth", player, "Date of Birth", "db")
# for cvt: expected_type: cvt, reciprocated property is the property on the cvt
def create_chapter( s ):
create_type( s, "Chapter", "chapter", "/base/testy", True, "A chapter in one of the books" )
print "created book!"
create_property( s, "Book", "book", "/base/testy/chapter",
"/base/testy/book", True, True, "The book of which this chapter is a part" )
print "created property!"
reciprocate_property( s, "/base/testy/chapter/book",
"Chapters", "chapters", "/base/testy/book", False, False, "Chapters in this book" )
def create_edition( s ):
create_type( s, "Edition", "edition", "/base/testy", True, "An edition of the Aubrey-Maturin series" )
create_property( s, "Examples", "examples", "/base/testy/edition",
"/book/book_edition", False, False, "Book editions in this series" )
w = {
"id" : "/base/testy/edition",
"/freebase/type_hints/enumeration" : { "value" : True, "connect" : "update" }}
s.mqlwrite( w )
w = {
"create" : "unless_exists",
"type" :"/base/testy/edition",
"name" : "W. W. Norton Paperback" }
s.mqlwrite( w )
def create_page_ref( s ):
create_type( s, "Page Reference", "page_ref", "/base/testy", True,
"A reference to a page in a particular edition" )
t = "/base/testy/page_ref"
create_property( s, "Page Number", "page", t, "/type/int", True, True )
create_property( s, "Edition", "edition", t, "/base/testy/edition", True, True )
def create_mention_properties( s, t ):
create_property( s, "Circumstances", "circumstances", t, "/type/text", True, True,
"Describe the circumstances of the mention" )
create_property( s, "Quote", "quote", t, "/type/text", True, True,
"A short quote from the mentioned location" )
create_property( s, "Chapter", "chapter", t, "/base/testy/chapter", True, True,
"The chapter in which the mention takes place" )
create_property( s, "Page", "page", t, "/base/testy/page_ref", False, True,
"Page number and Edition" )
create_property( s, "What", "what", t, "/base/testy/topic", True, True,
"What is being mentioned" )
#def delegate_mention_properties( s ):
# t = '/base/testy/mention'
# delegate_property( s, '/base/testy/character_mention/character', t )
# delegate_property( s, '/base/testy/dish_mention/dish', t )
# delegate_property( s, '/base/testy/historical_event_mention/event', t )
# delegate_property( s, '/base/testy/place_mention/place', t )
# delegate_property( s, '/base/testy/ship_mention/ship', t )
# delegate_property( s, '/base/testy/species_mention/species', t )
# delegate_property( s, '/base/testy/written_work_mention/written_work', t )
# nothing for surgical instruments
'''
create_type( s, "Brew Pub", "brew_pub", "/base/brew_pubs", False, "A brew pub is a pub which brews its own beer on the premises" )
delegate_property( s, '/food/brewery_brand_of_beer/beers_produced', '/base/brewpubs/brew_pub', None, 'Beers produced on the premises' )
'''
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