mirror of
https://github.com/spalencsar/bearhub.git
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74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
import logging
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import time
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import traceback
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import requests
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SIZE_MULTIPLIERS = ((0.001, 'Kb'), (0.000001, 'Mb'), (0.000000001, 'Gb'), (0.000000000001, 'Tb'))
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class HttpClient:
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def __init__(self, logger: logging.Logger, max_attempts: int = 2, timeout: int = 30, sleep: float = 0.5):
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self.max_attempts = max_attempts
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self.session = requests.Session()
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self.timeout = timeout
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self.sleep = sleep
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self.logger = logger
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def get(self, url: str, params: dict = None, headers: dict = None, allow_redirects: bool = True):
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cur_attempts = 1
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while cur_attempts <= self.max_attempts:
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cur_attempts += 1
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try:
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args = {'timeout': self.timeout, 'allow_redirects': allow_redirects}
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if params:
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args['params'] = params
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if headers:
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args['headers'] = headers
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res = self.session.get(url, **args)
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if res.status_code == 200:
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return res
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if self.sleep > 0:
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time.sleep(self.sleep)
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except Exception as e:
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if isinstance(e, requests.exceptions.ConnectionError):
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self.logger.error('Internet seems to be off')
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raise
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self.logger.error("Could not retrieve data from '{}'".format(url))
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traceback.print_exc()
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continue
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self.logger.warning("Could not retrieve data from '{}'".format(url))
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def get_json(self, url: str, params: dict = None, headers: dict = None, allow_redirects: bool = True):
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res = self.get(url, params=params, headers=headers, allow_redirects=allow_redirects)
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return res.json() if res else None
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def get_content_length(self, url: str) -> str:
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"""
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:param url:
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:return:
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"""
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res = self.session.get(url, allow_redirects=True, stream=True)
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if res.status_code == 200:
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size = res.headers.get('Content-Length')
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if size is not None:
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size = int(size)
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for m in SIZE_MULTIPLIERS:
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size_str = str(size * m[0])
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if len(size_str.split('.')[0]) < 4:
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return '{0:.2f}'.format(float(size_str)) + ' ' + m[1]
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return str(size)
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