clicada/clicada/user/file.py

82 lines
2.2 KiB
Python

# standard imports
import stat
import os
import logging
# external imports
from hexathon import strip_0x
from cic_types.condiments import MetadataPointer
from cic_types.ext.metadata import MetadataRequestsHandler
from cic_types.models.person import Person
import requests.exceptions
# local imports
from clicada.encode import tx_normalize
from clicada.store.mem import MemDictStore
logg = logging.getLogger(__name__)
class FileUserStore:
def __init__(self, chain_spec, label, store_base_path):
self.label = label
self.store_path = os.path.join(
store_base_path,
chain_spec.arch(),
chain_spec.fork(),
str(chain_spec.network_id()),
self.label,
)
self.memstore_entity = MemDictStore()
os.makedirs(self.store_path, exist_ok=True)
self.__validate_dir()
def __validate_dir(self):
st = os.stat(self.store_path)
if stat.S_ISDIR(st.st_mode):
logg.debug('using existing file store {} for {}'.format(self.store_path, self.label))
def put(self, k, v, force=False):
have_file = False
p = os.path.join(self.store_path, k)
try:
st = os.stat(p)
have_file = True
except FileNotFoundError:
pass
if have_file and not force:
raise FileExistsError('user resolution already exists for {}'.format(k))
f = open(p, 'w')
f.write(v)
f.close()
logg.info('added user store {} record {} -> {}'.format(self.label, k, v))
def get(self, k):
p = os.path.join(self.store_path, k)
f = open(p, 'r')
r = f.read()
f.close()
return r.strip()
def get_metadata(self, address):
address = strip_0x(address)
getter = MetadataRequestsHandler(MetadataPointer.PERSON, bytes.fromhex(address))
r = None
try:
r = getter.query()
except requests.exceptions.HTTPError as e:
logg.debug('no metadata found for {}: {}'.format(address, e))
return address
data = r.json()
person = Person()
person_data = person.deserialize(person_data=data)
return str(person_data)