def band_to_band(band1, band2):
print "Connecting %s and %s..." % (band1, band2)
try:
band1 = database.get_node('band', 'username', band1)
band2 = database.get_node('band', 'username', band2)
database.add_relationship(band1, 'knows', band2)
except error.types as e:
error.handle(e)
else:
print "Done."
def city_to_state(city, state):
print "Connecting %s to %s..." % (city, state)
try:
city = database.get_node('city', 'name', city)
state = database.get_node('state', 'abbr', state)
database.add_relationship(city, 'is_in', state)
except error.types as e:
error.handle(e)
else:
print "Done."
def band_to_city(band, city):
print "Connecting %s to %s..." % (band, city)
try:
band = database.get_node('band', 'username', band)
city = database.get_node('city', 'name', city)
database.add_relationship(band, 'is_from', city)
except error.types as e:
error.handle(e)
else:
print "Done."
def venue_to_city(venue, city):
print "Connecting %s to %s..." % (venue, city)
try:
venue = database.get_node('venue', 'username', venue)
city = database.get_node('city', 'name', city)
database.add_relationship(venue, 'is_in', city)
except error.types as e:
error.handle(e)
else:
print "Done."
def band_to_city(band, city):
"""
Create an 'is_from' relationship between a band and city.
:param band: the username of the band.
:param city: the name of the city.
"""
band = db.get_node('band', 'username', band)
city = db.get_node('city', 'name', city)
if not db.check_relationship(band, 'is_from'):
print 'Connecting %s to %s...' % (band['name'], city['name'])
db.add_relationship(band, 'is_from', city)
def event_to_band(event, band):
"""
create a 'featuring' relationship between an event and a band.
:param event: the event dictionary.
:param band: the band dictionary.
"""
e = db.get_node('event', 'id', event['id'])
b = db.get_node('band', 'username', band['username'])
if not db.check_relationship(e, 'featuring', b):
print "Connecting event to %s..." % unicodedata.normalize(
'NFKD', b['name'])
db.add_relationship(e, 'featuring', b)
def event_to_venue(event, venue):
"""
Create an 'at' relationship between an event and a venue.
:param event: the event dictionary.
:param venue: the venue dictionary.
"""
e = db.get_node('event', 'id', event['id'])
v = db.get_node('venue', 'id', venue['id'])
if not db.check_relationship(e, 'at'):
print "Connecting event to %s..." % unicodedata.normalize(
'NFKD', v['name'])
db.add_relationship(e, 'at', v)
def city_to_state(city, state):
"""
Create an 'is_in' relationship between a city and a state.
:param city: the name of the city.
:param state: the name or abbreviation of the state.
"""
city = db.get_node('city', 'name', city)
if len(state) == 2:
state = db.get_node('state', 'abbr', state)
else:
state = db.get_node('state', 'name', state)
if not db.check_relationship(city, 'is_in'):
print 'Connecting %s to %s...' % (city['name'], state['name'])
db.add_relationship(city, 'is_in', state)
def venue_to_city(venue, city):
"""
Create an 'is_in' relationship between a venue and a city.
:param venue: the venue dictionary.
:param city: the city dictionary.
"""
if 'username' in venue.keys():
venue = db.get_node('venue', 'username', venue['username'])
else:
venue = db.get_node('venue', 'id', venue['id'])
city = db.get_node('city', 'name', city['name'])
if not db.check_relationship(venue, 'is_in'):
print 'Connecting %s to %s...' % (unicodedata.normalize(
'NFKD', venue['name']), city['name'])
db.add_relationship(venue, 'is_in', city)