Source code for telepot.api

import urllib3
import logging
import json
import re
import os

from . import exception, _isstring

# Suppress InsecurePlatformWarning

_default_pool_params = dict(num_pools=3, maxsize=10, retries=3, timeout=30)
_onetime_pool_params = dict(num_pools=1, maxsize=1, retries=3, timeout=30)

_pools = {
    'default': urllib3.PoolManager(**_default_pool_params),

_onetime_pool_spec = (urllib3.PoolManager, _onetime_pool_params)

[docs]def set_proxy(url, basic_auth=None): """ Access Bot API through a proxy. :param url: proxy URL :param basic_auth: 2-tuple ``('username', 'password')`` """ global _pools, _onetime_pool_spec if not url: _pools['default'] = urllib3.PoolManager(**_default_pool_params) _onetime_pool_spec = (urllib3.PoolManager, _onetime_pool_params) elif basic_auth: h = urllib3.make_headers(proxy_basic_auth=':'.join(basic_auth)) _pools['default'] = urllib3.ProxyManager(url, proxy_headers=h, **_default_pool_params) _onetime_pool_spec = (urllib3.ProxyManager, dict(proxy_url=url, proxy_headers=h, **_onetime_pool_params)) else: _pools['default'] = urllib3.ProxyManager(url, **_default_pool_params) _onetime_pool_spec = (urllib3.ProxyManager, dict(proxy_url=url, **_onetime_pool_params))
def _create_onetime_pool(): cls, kw = _onetime_pool_spec return cls(**kw) def _methodurl(req, **user_kw): token, method, params, files = req return '' % (token, method) def _which_pool(req, **user_kw): token, method, params, files = req return None if files else 'default' def _guess_filename(obj): name = getattr(obj, 'name', None) if name and _isstring(name) and name[0] != '<' and name[-1] != '>': return os.path.basename(name) def _filetuple(key, f): if not isinstance(f, tuple): return (_guess_filename(f) or key, elif len(f) == 1: return (_guess_filename(f[0]) or key, f[0].read()) elif len(f) == 2: return (f[0], f[1].read()) elif len(f) == 3: return (f[0], f[1].read(), f[2]) else: raise ValueError() import sys PY_3 = sys.version_info.major >= 3 def _fix_type(v): if isinstance(v, float if PY_3 else (long, float)): return str(v) else: return v def _compose_fields(req, **user_kw): token, method, params, files = req fields = {k:_fix_type(v) for k,v in params.items()} if params is not None else {} if files: fields.update({k:_filetuple(k,v) for k,v in files.items()}) return fields def _default_timeout(req, **user_kw): name = _which_pool(req, **user_kw) if name is None: return _onetime_pool_spec[1]['timeout'] else: return _pools[name].connection_pool_kw['timeout'] def _compose_kwargs(req, **user_kw): token, method, params, files = req kw = {} if not params and not files: kw['encode_multipart'] = False if method == 'getUpdates' and params and 'timeout' in params: # Ensure HTTP timeout is longer than getUpdates timeout kw['timeout'] = params['timeout'] + _default_timeout(req, **user_kw) elif files: # Disable timeout if uploading files. For some reason, the larger the file, # the longer it takes for the server to respond (after upload is finished). # It is unclear how long timeout should be. kw['timeout'] = None # Let user-supplied arguments override kw.update(user_kw) return kw def _transform(req, **user_kw): kwargs = _compose_kwargs(req, **user_kw) fields = _compose_fields(req, **user_kw) url = _methodurl(req, **user_kw) name = _which_pool(req, **user_kw) if name is None: pool = _create_onetime_pool() else: pool = _pools[name] return pool.request_encode_body, ('POST', url, fields), kwargs def _parse(response): try: text ='utf-8') data = json.loads(text) except ValueError: # No JSON object could be decoded raise exception.BadHTTPResponse(response.status, text, response) if data['ok']: return data['result'] else: description, error_code = data['description'], data['error_code'] # Look for specific error ... for e in exception.TelegramError.__subclasses__(): n = len(e.DESCRIPTION_PATTERNS) if any(map(, e.DESCRIPTION_PATTERNS, n*[description], n*[re.IGNORECASE])): raise e(description, error_code, data) # ... or raise generic error raise exception.TelegramError(description, error_code, data) def request(req, **user_kw): fn, args, kwargs = _transform(req, **user_kw) r = fn(*args, **kwargs) # `fn` must be thread-safe return _parse(r) def _fileurl(req): token, path = req return '' % (token, path) def download(req, **user_kw): pool = _create_onetime_pool() r = pool.request('GET', _fileurl(req), **user_kw) return r