mirror of
https://github.com/RGBCube/GitHubWrapper
synced 2025-05-18 06:55:09 +00:00
302 lines
12 KiB
Python
302 lines
12 KiB
Python
# == http.py ==#
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from __future__ import annotations
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import json
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import re
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from datetime import datetime
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from types import SimpleNamespace
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from typing import Dict, NamedTuple, Optional, Type, Tuple, Union, List
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from typing_extensions import TypeAlias
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import platform
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import aiohttp
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from .exceptions import *
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from .exceptions import GistNotFound, RepositoryAlreadyExists, MissingPermissions
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from .objects import User, Gist, Repository, File
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from .urls import *
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from . import __version__
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__all__: Tuple[str, ...] = (
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'Paginator',
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'http',
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)
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LINK_PARSING_RE = re.compile(r"<(\S+(\S))>; rel=\"(\S+)\"")
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class Rates(NamedTuple):
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remaining: str
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used: str
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total: str
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reset_when: Union[datetime, str]
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last_request: Union[datetime, str]
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# aiohttp request tracking / checking bits
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async def on_req_start(
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session: aiohttp.ClientSession, ctx: SimpleNamespace, params: aiohttp.TraceRequestStartParams
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) -> None:
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"""Before-request hook to make sure we don't overrun the ratelimit."""
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# print(repr(session), repr(ctx), repr(params))
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pass
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async def on_req_end(session: aiohttp.ClientSession, ctx: SimpleNamespace, params: aiohttp.TraceRequestEndParams) -> None:
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"""After-request hook to adjust remaining requests on this time frame."""
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headers = params.response.headers
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remaining = headers['X-RateLimit-Remaining']
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used = headers['X-RateLimit-Used']
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total = headers['X-RateLimit-Limit']
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reset_when = datetime.fromtimestamp(int(headers['X-RateLimit-Reset']))
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last_req = datetime.utcnow()
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session._rates = Rates(remaining, used, total, reset_when, last_req)
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trace_config = aiohttp.TraceConfig()
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trace_config.on_request_start.append(on_req_start)
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trace_config.on_request_end.append(on_req_end)
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APIType: TypeAlias = Union[User, Gist, Repository]
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async def make_session(*, headers: Dict[str, str], authorization: Union[aiohttp.BasicAuth, None]) -> aiohttp.ClientSession:
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"""This makes the ClientSession, attaching the trace config and ensuring a UA header is present."""
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if not headers.get('User-Agent'):
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headers[
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'User-Agent'
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] = f'Github-API-Wrapper (https://github.com/VarMonke/Github-Api-Wrapper) @ {__version__} Python {platform.python_version()} aiohttp {aiohttp.__version__}'
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session = aiohttp.ClientSession(auth=authorization, headers=headers, trace_configs=[trace_config])
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session._rates = Rates('', '', '', '', '')
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return session
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# pagination
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class Paginator:
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"""This class handles pagination for objects like Repos and Orgs."""
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def __init__(self, session: aiohttp.ClientSession, response: aiohttp.ClientResponse, target_type: str):
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self.session = session
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self.response = response
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self.should_paginate = bool(self.response.headers.get('Link', False))
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types: Dict[str, Type[APIType]] = { # note: the type checker doesnt see subclasses like that
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'user': User,
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'gist': Gist,
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'repo': Repository,
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}
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self.target_type: Type[APIType] = types[target_type]
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self.pages = {}
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self.is_exhausted = False
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self.current_page = 1
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self.next_page = self.current_page + 1
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self.parse_header(response)
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async def fetch_page(self, link: str) -> Dict[str, Union[str, int]]:
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"""Fetches a specific page and returns the JSON."""
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return await (await self.session.get(link)).json()
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async def early_return(self) -> List[APIType]:
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# I don't rightly remember what this does differently, may have a good ol redesign later
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return [self.target_type(data, self) for data in await self.response.json()] # type: ignore
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async def exhaust(self) -> List[APIType]:
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"""Iterates through all of the pages for the relevant object and creates them."""
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if self.should_paginate:
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return await self.early_return()
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out: List[APIType] = []
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for page in range(1, self.max_page + 1):
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result = await self.session.get(self.bare_link + str(page))
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out.extend([self.target_type(item, self) for item in await result.json()]) # type: ignore
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self.is_exhausted = True
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return out
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def parse_header(self, response: aiohttp.ClientResponse) -> None:
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"""Predicts wether a call will exceed the ratelimit ahead of the call."""
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header = response.headers['Link']
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groups = LINK_PARSING_RE.findall(header)
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self.max_page = int(groups[1][1])
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if int(response.headers['X-RateLimit-Remaining']) < self.max_page:
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raise WillExceedRatelimit(response, self.max_page)
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self.bare_link = groups[0][0][:-1]
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# GithubUserData = GithubRepoData = GithubIssueData = GithubOrgData = GithubGistData = Dict[str, Union [str, int]]
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# Commentnig this out for now, consider using TypeDict's instead in the future <3
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class http:
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def __init__(self, headers: Dict[str, Union[str, int]], auth: Union[aiohttp.BasicAuth, None]) -> None:
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if not headers.get('User-Agent'):
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headers[
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'User-Agent'
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] = f'Github-API-Wrapper (https://github.com/VarMonke/Github-Api-Wrapper) @ {__version__} Python/{platform.python_version()} aiohttp/{aiohttp.__version__}'
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self._rates = Rates('', '', '', '', '')
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self.headers = headers
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self.auth = auth
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def __await__(self):
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return self.start().__await__()
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async def start(self):
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self.session = aiohttp.ClientSession(
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headers=self.headers, # type: ignore
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auth=self.auth,
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trace_configs=[trace_config],
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)
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if not hasattr(self.session, "_rates"):
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self.session._rates = Rates('', '', '', '', '')
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return self
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def update_headers(self, *, flush: bool = False, new_headers: Dict[str, Union[str, int]]):
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if flush:
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from multidict import CIMultiDict
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self.session._default_headers = CIMultiDict(**new_headers) # type: ignore
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else:
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self.session._default_headers = {**self.session.headers, **new_headers} # type: ignore
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async def update_auth(self, *, username: str, token: str):
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auth = aiohttp.BasicAuth(username, token)
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headers = self.session.headers
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config = self.session.trace_configs
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await self.session.close()
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self.session = aiohttp.ClientSession(headers=headers, auth=auth, trace_configs=config)
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def data(self):
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# return session headers and auth
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headers = {**self.session.headers}
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return {'headers': headers, 'auth': self.auth}
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async def latency(self):
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"""Returns the latency of the current session."""
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start = datetime.utcnow()
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await self.session.get(BASE_URL)
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return (datetime.utcnow() - start).total_seconds()
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async def get_self(self) -> Dict[str, Union[str, int]]:
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"""Returns the authenticated User's data"""
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result = await self.session.get(SELF_URL)
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if 200 <= result.status <= 299:
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return await result.json()
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raise InvalidToken
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async def get_user(self, username: str) -> Dict[str, Union[str, int]]:
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"""Returns a user's public data in JSON format."""
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result = await self.session.get(USERS_URL.format(username))
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if 200 <= result.status <= 299:
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return await result.json()
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raise UserNotFound
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async def get_user_repos(self, _user: User) -> List[Dict[str, Union[str, int]]]:
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result = await self.session.get(USER_REPOS_URL.format(_user.login))
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if 200 <= result.status <= 299:
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return await result.json()
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print('This shouldn\'t be reachable')
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return []
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async def get_user_gists(self, _user: User) -> List[Dict[str, Union[str, int]]]:
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result = await self.session.get(USER_GISTS_URL.format(_user.login))
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if 200 <= result.status <= 299:
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return await result.json()
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print('This shouldn\'t be reachable')
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return []
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async def get_user_orgs(self, _user: User) -> List[Dict[str, Union[str, int]]]:
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result = await self.session.get(USER_ORGS_URL.format(_user.login))
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if 200 <= result.status <= 299:
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return await result.json()
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print('This shouldn\'t be reachable')
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return []
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async def get_repo(self, owner: str, repo_name: str) -> Dict[str, Union[str, int]]:
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"""Returns a Repo's raw JSON from the given owner and repo name."""
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result = await self.session.get(REPO_URL.format(owner, repo_name))
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if 200 <= result.status <= 299:
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return await result.json()
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raise RepositoryNotFound
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async def get_repo_issue(self, owner: str, repo_name: str, issue_number: int) -> Dict[str, Union[str, int]]:
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"""Returns a single issue's JSON from the given owner and repo name."""
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result = await self.session.get(REPO_ISSUE_URL.format(owner, repo_name, issue_number))
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if 200 <= result.status <= 299:
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return await result.json()
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raise IssueNotFound
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async def delete_repo(self, owner: str, repo_name: str) -> Optional[str]:
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"""Deletes a Repo from the given owner and repo name."""
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result = await self.session.delete(REPO_URL.format(owner, repo_name))
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if 204 <= result.status <= 299:
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return 'Successfully deleted repository.'
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if result.status == 403:
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raise MissingPermissions
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raise RepositoryNotFound
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async def delete_gist(self, gist_id: str) -> Optional[str]:
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"""Deletes a Gist from the given gist id."""
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result = await self.session.delete(GIST_URL.format(gist_id))
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if result.status == 204:
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return 'Successfully deleted gist.'
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if result.status == 403:
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raise MissingPermissions
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raise GistNotFound
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async def get_org(self, org_name: str) -> Dict[str, Union[str, int]]:
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"""Returns an org's public data in JSON format."""
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result = await self.session.get(ORG_URL.format(org_name))
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if 200 <= result.status <= 299:
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return await result.json()
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raise OrganizationNotFound
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async def get_gist(self, gist_id: str) -> Dict[str, Union[str, int]]:
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"""Returns a gist's raw JSON from the given gist id."""
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result = await self.session.get(GIST_URL.format(gist_id))
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if 200 <= result.status <= 299:
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return await result.json()
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raise GistNotFound
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async def create_gist(
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self, *, files: List['File'] = [], description: str = 'Default description', public: bool = False
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) -> Dict[str, Union[str, int]]:
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data = {}
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data['description'] = description
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data['public'] = public
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data['files'] = {}
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for file in files:
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data['files'][file.filename] = {'filename': file.filename, 'content': file.read()} # helps editing the file
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data = json.dumps(data)
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_headers = dict(self.session.headers)
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result = await self.session.post(
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CREATE_GIST_URL, data=data, headers=_headers | {'Accept': 'application/vnd.github.v3+json'}
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)
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if 201 == result.status:
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return await result.json()
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raise InvalidToken
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async def create_repo(
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self, name: str, description: str, public: bool, gitignore: Optional[str], license: Optional[str]
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) -> Dict[str, Union[str, int]]:
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"""Creates a repo for you with given data"""
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data = {
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'name': name,
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'description': description,
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'public': public,
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'gitignore_template': gitignore,
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'license': license,
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}
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result = await self.session.post(CREATE_REPO_URL, data=json.dumps(data))
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if 200 <= result.status <= 299:
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return await result.json()
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if result.status == 401:
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raise NoAuthProvided
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raise RepositoryAlreadyExists
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