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pyTelegramBotAPI/telebot/storage/pickle_storage.py

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from telebot.storage.base_storage import StateStorageBase, StateContext
import os
import pickle
class StatePickleStorage(StateStorageBase):
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# noinspection PyMissingConstructor
def __init__(self, file_path="./.state-save/states.pkl") -> None:
self.file_path = file_path
self.create_dir()
self.data = self.read()
def convert_old_to_new(self):
"""
Use this function to convert old storage to new storage.
This function is for people who was using pickle storage
that was in version <=4.3.1.
"""
# old looks like:
# {1: {'state': 'start', 'data': {'name': 'John'}}
# we should update old version pickle to new.
# new looks like:
# {1: {2: {'state': 'start', 'data': {'name': 'John'}}}}
new_data = {}
for key, value in self.data.items():
# this returns us id and dict with data and state
new_data[key] = {key: value} # convert this to new
# pass it to global data
self.data = new_data
self.update_data() # update data in file
def create_dir(self):
"""
Create directory .save-handlers.
"""
dirs = self.file_path.rsplit('/', maxsplit=1)[0]
os.makedirs(dirs, exist_ok=True)
if not os.path.isfile(self.file_path):
with open(self.file_path,'wb') as file:
pickle.dump({}, file)
def read(self):
file = open(self.file_path, 'rb')
data = pickle.load(file)
file.close()
return data
def update_data(self):
file = open(self.file_path, 'wb+')
pickle.dump(self.data, file, protocol=pickle.HIGHEST_PROTOCOL)
file.close()
def set_state(self, chat_id, user_id, state):
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if hasattr(state, 'name'):
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state = state.name
if chat_id in self.data:
if user_id in self.data[chat_id]:
self.data[chat_id][user_id]['state'] = state
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self.update_data()
return True
else:
self.data[chat_id][user_id] = {'state': state, 'data': {}}
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self.update_data()
return True
self.data[chat_id] = {user_id: {'state': state, 'data': {}}}
self.update_data()
return True
def delete_state(self, chat_id, user_id):
if self.data.get(chat_id):
if self.data[chat_id].get(user_id):
del self.data[chat_id][user_id]
if chat_id == user_id:
del self.data[chat_id]
self.update_data()
return True
return False
def get_state(self, chat_id, user_id):
if self.data.get(chat_id):
if self.data[chat_id].get(user_id):
return self.data[chat_id][user_id]['state']
return None
def get_data(self, chat_id, user_id):
if self.data.get(chat_id):
if self.data[chat_id].get(user_id):
return self.data[chat_id][user_id]['data']
return None
def reset_data(self, chat_id, user_id):
if self.data.get(chat_id):
if self.data[chat_id].get(user_id):
self.data[chat_id][user_id]['data'] = {}
self.update_data()
return True
return False
def set_data(self, chat_id, user_id, key, value):
if self.data.get(chat_id):
if self.data[chat_id].get(user_id):
self.data[chat_id][user_id]['data'][key] = value
self.update_data()
return True
raise RuntimeError('chat_id {} and user_id {} does not exist'.format(chat_id, user_id))
def get_interactive_data(self, chat_id, user_id):
return StateContext(self, chat_id, user_id)
def save(self, chat_id, user_id, data):
self.data[chat_id][user_id]['data'] = data
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self.update_data()