cic-schema/python/cic_schema/nft.py

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# standard imports
import os
import json
from urllib.request import urlopen
#import binascii.error
# external imports
from jsonschema import validate as json_validate
# local imports
from .error import InvalidCertificationError
script_dir = os.path.realpath(os.path.dirname(__file__))
data_dir = os.path.join(script_dir, 'data')
__f = open(os.path.join(data_dir, 'cic.json'), 'r')
schema = __f.read()
__f.close()
class NFT:
def __init__(self):
self.name = None
self.description = None
self.image = None
self.attachments = []
self.attributes = {}
self.certifications = []
@classmethod
def from_path(cls, path):
f = open(path, 'r')
o = json.load(f)
f.close()
json_validate(schema, o)
c = cls()
c.name = o['name']
c.description = o['description']
c.image = o['image']
c.attributes = o['attributes']
c.attachments = o['attachments']
c.certifications = o['certifications']
def __decode_certification(self):
for v in self.certiciations:
try:
r = self.__try_data_uri(v)
except:
pass
def __try_data_uri(self, data):
r = None
try:
r = urllib.request.urlopen(data)
#except binascii.error:
# raise InvalidCertificationError()
except Exception:
raise InvalidCertificationError()
#return None
return r