A lot of code moved to ungleich-common
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parent
ce709c3b6f
commit
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6 changed files with 18 additions and 268 deletions
29
config.py
29
config.py
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@ -1,32 +1,21 @@
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import configparser
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import sys
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import os
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from etcd_wrapper import EtcdWrapper
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from ldap_manager import LdapManager
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from ungleich_common.etcd_wrapper import EtcdWrapper
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from ungleich_common.ldap_manager import LdapManager
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from ungleich_common.config_parser import StrictConfigParser
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config_file = os.environ.get('meow-pay-config-file', default='pay.conf')
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config = configparser.ConfigParser(allow_no_value=True)
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config = StrictConfigParser(allow_no_value=True)
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config.read(config_file)
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try:
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successfully_read_files = config.read(config_file)
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except configparser.Error as err:
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sys.exit(err)
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if not successfully_read_files:
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sys.exit(f'Config file {config_file} couldn\'t be read.')
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try:
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etcd_client = EtcdWrapper(
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etcd_client = EtcdWrapper(
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host=config.get('etcd', 'host'), port=config.get('etcd', 'port'),
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ca_cert=config.get('etcd', 'ca_cert'), cert_key=config.get('etcd', 'cert_key'),
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cert_cert=config.get('etcd', 'cert_cert')
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)
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)
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ldap_manager = LdapManager(
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ldap_manager = LdapManager(
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server=config.get('ldap', 'server'), admin_dn=config.get('ldap', 'admin_dn'),
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admin_password=config.get('ldap', 'admin_password')
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)
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except configparser.Error as err:
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sys.exit(f'{err} in config file {config_file}.')
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)
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@ -1,75 +0,0 @@
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import etcd3
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import json
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import logging
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from functools import wraps
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class EtcdEntry:
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def __init__(self, meta_or_key, value, value_in_json=True):
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if hasattr(meta_or_key, 'key'):
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# if meta has attr 'key' then get it
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self.key = meta_or_key.key.decode('utf-8')
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else:
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# otherwise meta is the 'key'
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self.key = meta_or_key
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self.value = value.decode('utf-8')
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if value_in_json:
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self.value = json.loads(self.value)
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def readable_errors(func):
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@wraps(func)
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def wrapper(*args, **kwargs):
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try:
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return func(*args, **kwargs)
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except etcd3.exceptions.ConnectionFailedError as err:
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raise etcd3.exceptions.ConnectionFailedError(
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'Cannot connect to etcd: is etcd running as configured in uncloud.conf?'
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) from err
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except etcd3.exceptions.ConnectionTimeoutError as err:
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raise etcd3.exceptions.ConnectionTimeoutError('etcd connection timeout.') from err
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except Exception:
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logging.exception('Some etcd error occured. See syslog for details.')
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return wrapper
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class EtcdWrapper:
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@readable_errors
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def __init__(self, *args, **kwargs):
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self.client = etcd3.client(*args, **kwargs)
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@readable_errors
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def get(self, *args, value_in_json=True, **kwargs):
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_value, _key = self.client.get(*args, **kwargs)
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if _key is None or _value is None:
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return None
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return EtcdEntry(_key, _value, value_in_json=value_in_json)
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@readable_errors
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def put(self, *args, value_in_json=True, **kwargs):
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_key, _value = args
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if value_in_json:
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_value = json.dumps(_value)
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if not isinstance(_key, str):
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_key = _key.decode('utf-8')
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return self.client.put(_key, _value, **kwargs)
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@readable_errors
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def get_prefix(self, *args, value_in_json=True, **kwargs):
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event_iterator = self.client.get_prefix(*args, **kwargs)
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for e in event_iterator:
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yield EtcdEntry(*e[::-1], value_in_json=value_in_json)
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@readable_errors
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def watch_prefix(self, key, value_in_json=True):
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event_iterator, cancel = self.client.watch_prefix(key)
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for e in event_iterator:
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if hasattr(e, '_event'):
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e = getattr('e', '_event')
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if e.type == e.PUT:
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yield EtcdEntry(e.kv.key, e.kv.value, value_in_json=value_in_json)
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@ -1,76 +0,0 @@
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import hashlib
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import random
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import base64
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import sys
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from ldap3 import Server, Connection, ObjectDef, Reader, ALL
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from ldap3.core import exceptions
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SALT_BYTES = 15
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class LdapManager:
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def __init__(self, server, admin_dn, admin_password):
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self.server = Server(server, get_info=ALL)
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try:
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self.conn = Connection(server, admin_dn, admin_password, auto_bind=True)
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except exceptions.LDAPException as err:
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sys.exit(f'LDAP Error: {err}')
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self.person_obj_def = ObjectDef('inetOrgPerson', self.conn)
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def get(self, query=None, search_base='dc=ungleich,dc=ch'):
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kwargs = {
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'connection': self.conn,
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'object_def': self.person_obj_def,
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'base': search_base,
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}
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if query:
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kwargs['query'] = query
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r = Reader(**kwargs)
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return r.search()
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def is_password_valid(self, query_value, password, query_key='mail', **kwargs):
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entries = self.get(query='({}={})'.format(query_key, query_value), **kwargs)
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if entries:
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password_in_ldap = entries[0].userPassword.value
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found = self._check_password(password_in_ldap, password)
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if not found:
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raise Exception('Invalid Password')
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else:
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return entries[0]
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else:
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raise ValueError('Such {}={} not found'.format(query_key, query_value))
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@staticmethod
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def _check_password(tagged_digest_salt, password):
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digest_salt_b64 = tagged_digest_salt[6:]
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digest_salt = base64.decodebytes(digest_salt_b64)
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digest = digest_salt[:20]
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salt = digest_salt[20:]
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sha = hashlib.sha1(password.encode('utf-8'))
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sha.update(salt)
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return digest == sha.digest()
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@staticmethod
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def ssha_password(password):
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"""
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Apply the SSHA password hashing scheme to the given *password*.
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*password* must be a :class:`bytes` object, containing the utf-8
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encoded password.
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Return a :class:`bytes` object containing ``ascii``-compatible data
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which can be used as LDAP value, e.g. after armoring it once more using
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base64 or decoding it to unicode from ``ascii``.
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"""
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sha1 = hashlib.sha1()
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salt = random.SystemRandom().getrandbits(SALT_BYTES * 8).to_bytes(SALT_BYTES, 'little')
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sha1.update(password)
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sha1.update(salt)
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digest = sha1.digest()
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passwd = b'{SSHA}' + base64.b64encode(digest + salt)
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return passwd
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@ -2,3 +2,4 @@ ldap3
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etcd3
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stripe
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flask
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git+git://code.ungleich.ch/ahmedbilal/ungleich-common@master#egg=ungleich-common
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86
schemas.py
86
schemas.py
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@ -5,91 +5,7 @@ import math
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from config import ldap_manager, etcd_client
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from helper import resolve_product
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class ValidationException(Exception):
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"""Validation Error"""
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class Field:
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def __init__(self, _name, _type, _value=None, validators=None, disable_validation=False):
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self.validation_disabled = disable_validation
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self.name = _name
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self.value = _value
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self.type = _type
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self.validators = validators or []
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def is_valid(self):
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if not self.validation_disabled:
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if not isinstance(self.value, self.type):
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try:
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self.value = self.type(self.value)
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except Exception:
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raise ValidationException("Incorrect Type for '{}' field".format(self.name))
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for validator in self.validators:
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validator()
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def __repr__(self):
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return self.name
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class BaseSchema:
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def __init__(self):
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self.objects = {}
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def validation(self):
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# custom validation is optional
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return True
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def get_fields(self):
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return [getattr(self, field) for field in dir(self) if isinstance(getattr(self, field), Field)]
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def is_valid(self):
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for field in self.get_fields():
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field.is_valid()
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self.validation()
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def get_cleaned_values(self):
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field_kv_dict = {
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field.name: field.value
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for field in self.get_fields()
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}
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cleaned_values = field_kv_dict
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cleaned_values.update(self.objects)
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return cleaned_values
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def add_schema(self, schema, data, under_field_name=None):
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s = schema(data)
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s.is_valid()
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base = self
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if under_field_name:
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# Create a field in self
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setattr(self, under_field_name, Field(under_field_name, dict, _value={}, disable_validation=True))
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base = getattr(self, under_field_name)
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for field in s.get_fields():
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if under_field_name:
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getattr(base, 'value')[field.name] = field.value
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else:
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setattr(base, field.name, field)
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self.objects.update(s.objects)
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@staticmethod
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def get(dictionary: dict, key: str, return_default=False, default=None):
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if dictionary is None:
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raise ValidationException('No data provided at all.')
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try:
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value = dictionary[key]
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except KeyError:
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if return_default:
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return {'_value': default, 'disable_validation': True}
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raise ValidationException("Missing data for '{}' field.".format(key))
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else:
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return {'_value': value, 'disable_validation': False}
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from ungleich_common.schemas import BaseSchema, Field, ValidationException
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class AddProductSchema(BaseSchema):
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@ -2,15 +2,10 @@ import re
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import stripe
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import stripe.error
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import logging
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import sys
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from configparser import Error as ConfigParserError
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from config import etcd_client as client, config as config, config_file
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from config import etcd_client as client, config as config
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try:
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stripe.api_key = config.get('stripe', 'private_key')
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except ConfigParserError as err:
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sys.exit(f'{err} in config file {config_file}')
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stripe.api_key = config.get('stripe', 'private_key')
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def handle_stripe_error(f):
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