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# ==================================================================================== # |
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# worker.py - This file is part of the YFrake package. # |
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# ------------------------------------------------------------------------------------ # |
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# # |
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# MIT License # |
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# # |
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# Copyright (c) 2022 Mattias Aabmets # |
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# # |
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# Permission is hereby granted, free of charge, to any person obtaining a copy # |
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# of this software and associated documentation files (the "Software"), to deal # |
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# in the Software without restriction, including without limitation the rights # |
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # |
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# copies of the Software, and to permit persons to whom the Software is # |
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# furnished to do so, subject to the following conditions: # |
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# # |
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# The above copyright notice and this permission notice shall be included in all # |
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# copies or substantial portions of the Software. # |
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# # |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # |
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # |
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # |
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE # |
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# SOFTWARE. # |
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# # |
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# ==================================================================================== # |
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from .validators import validate_response |
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from .exceptions import BadRequestError |
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from .session import SessionSingleton |
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from . import paths |
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from aiohttp import ClientError |
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# ==================================================================================== # |
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async def request(endpoint: str, kwargs: dict) -> tuple: |
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""" |
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The main function responsible for making the |
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web requests to the Yahoo Finance API servers. |
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""" |
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path = get_path(endpoint, kwargs) |
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sanitize_booleans_to_strings(kwargs) |
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try: |
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ss = SessionSingleton() |
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async with ss.session.get(url=path, params=kwargs) as resp: |
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data = await resp.json() |
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await validate_response(data) |
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error = None |
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except (ClientError, BadRequestError) as ex: |
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error = build_error(ex) |
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data = None |
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return data, error |
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# ------------------------------------------------------------------------------------ # |
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def get_path(endpoint: str, params: dict) -> str: |
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path = paths.get(endpoint) |
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if '{symbol}' in path: |
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sym = params.pop('symbol', '') |
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path = path.format(symbol=sym) |
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return path |
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# ------------------------------------------------------------------------------------ # |
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def sanitize_booleans_to_strings(params: dict) -> None: |
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for key, value in params.items(): |
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if isinstance(value, bool): |
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params[key] = str(value).lower() |
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# ------------------------------------------------------------------------------------ # |
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def build_error(ex=None) -> dict: |
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default_message = 'Internal server error' |
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default_status = 500 |
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return dict( |
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name='HTTPError', |
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status=getattr(ex, 'status', default_status), |
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message=getattr(ex, 'message', default_message) |
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) |
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