import copy

import sys

from typing import Optional, Union, Dict, List, Any

from slack_sdk import WebClient

from slack_sdk.models import JsonObject

from slack_bolt.error import BoltError

from slack_bolt.version import __version__ as bolt_version

def create_web_client(token: Optional[str] = None) -> WebClient:

return WebClient(token=token, user_agent_prefix=f"Bolt/{bolt_version}",)

def convert_to_dict_list(objects: List[Union[Dict, JsonObject]]) -> List[Dict]:

return [convert_to_dict(elm) for elm in objects]

def convert_to_dict(obj: Union[Dict, JsonObject]) -> Dict:

if isinstance(obj, dict):

return obj

if isinstance(obj, JsonObject) or hasattr(obj, "to_dict"):

return obj.to_dict()

raise BoltError(f"{obj} (type: {type(obj)}) is unsupported")

def create_copy(original: Any) -> Any:

if sys.version_info.major == 3 and sys.version_info.minor <= 6:

# NOTE: Unfortunately, copy.deepcopy doesn't work in Python 3.6.5.

# --------------------

# > rv = reductor(4)

# E TypeError: can't pickle _thread.RLock objects

# ../../.pyenv/versions/3.6.10/lib/python3.6/copy.py:169: TypeError

# --------------------

# As a workaround, this operation uses shallow copies in Python 3.6.

# If your code modifies the shared data in threads / async functions, race conditions may arise.

# Please consider upgrading Python major version to 3.7+ if you encounter some issues due to this.

return copy.copy(original)

else:

return copy.deepcopy(original)