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Convert cookie string to Python dict

In Fiddler, I grabbed an HTTPS request with the following cookie line sent from the client (visible in Inspectors> Raw):

Cookie: devicePixelRatio=1; ident=exists; __utma=13103r6942.2918; __utmc=13103656942; __utmz=13105942.1.1.1.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=(not%20provided); mp_3cb27825a6612988r46d00tinct_id%22%3A%201752338%2C%22%24initial_referrer%22%3A%20%22https%3A%2F%2Fwww.pion_created_at%22%3A%20%222015-08-03%22%2C%22platform%22%3A%20%22web%22%2C%%22%3A%20%%22%7D; t_session=BAh7DUkiD3Nlc3NpbWVfZV9uYW1lBjsARkkiH1BhY2lmaWMgVGltZSAoVVMgJiBDYW5hZGEpBjsAVEkiFXNpZ25pbl9wZXJzb25faWQGOwBGaQMSvRpJIhRsYXN0X2xvZ2luX2RhdGUGOwBGVTogQWN0aXZlU3VwcG9ydDo6VGltZVdpdGhab25lWwhJdToJVGltZQ2T3RzAAABA7QY6CXpvbmVJIghVVEMGOwBUSSIfUGFjaWZpZWRfZGFzaGJvYXJkX21lc3NhZ2UGOwBGVA%3D%3D--6ce6ef4bd6bc1a469164b6740e7571c754b31cca

I want to use this cookie in a Python Requests request. (I slightly modified the cookie so that it could not be used by readers for the vile purposes!).

However, the queries use a dictionary format to send cookies , and I am unable to convert the above / blob line to a dictionary format.

My question is:

  • Is there an automatic way to convert a string (like a cookie that I captured in Fiddler) into a Python dictionary?
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2 answers

You can use SimpleCookie , which is available in the Python standard library:

 from http.cookies import SimpleCookie rawdata = 'Cookie: devicePixelRatio=1; ident=exists; __utma=13103r6942.2918; __utmc=13103656942; __utmz=13105942.1.1.1.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=(not%20provided); mp_3cb27825a6612988r46d00tinct_id%22%3A%201752338%2C%22%24initial_referrer%22%3A%20%22https%3A%2F%2Fwww.pion_created_at%22%3A%20%222015-08-03%22%2C%22platform%22%3A%20%22web%22%2C%%22%3A%20%%22%7D; t_session=BAh7DUkiD3Nlc3NpbWVfZV9uYW1lBjsARkkiH1BhY2lmaWMgVGltZSAoVVMgJiBDYW5hZGEpBjsAVEkiFXNpZ25pbl9wZXJzb25faWQGOwBGaQMSvRpJIhRsYXN0X2xvZ2luX2RhdGUGOwBGVTogQWN0aXZlU3VwcG9ydDo6VGltZVdpdGhab25lWwhJdToJVGltZQ2T3RzAAABA7QY6CXpvbmVJIghVVEMGOwBUSSIfUGFjaWZpZWRfZGFzaGJvYXJkX21lc3NhZ2UGOwBGVA%3D%3D--6ce6ef4bd6bc1a469164b6740e7571c754b31cca' cookie = SimpleCookie() cookie.load(rawdata) # Even though SimpleCookie is dictionary-like, it internally uses a Morsel object # which is incompatible with requests. Manually construct a dictionary instead. cookies = {} for key, morsel in cookie.items(): cookies[key] = morsel.value 6ce6ef4bd6bc1a469164b6740e7571c754b31cca ' from http.cookies import SimpleCookie rawdata = 'Cookie: devicePixelRatio=1; ident=exists; __utma=13103r6942.2918; __utmc=13103656942; __utmz=13105942.1.1.1.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=(not%20provided); mp_3cb27825a6612988r46d00tinct_id%22%3A%201752338%2C%22%24initial_referrer%22%3A%20%22https%3A%2F%2Fwww.pion_created_at%22%3A%20%222015-08-03%22%2C%22platform%22%3A%20%22web%22%2C%%22%3A%20%%22%7D; t_session=BAh7DUkiD3Nlc3NpbWVfZV9uYW1lBjsARkkiH1BhY2lmaWMgVGltZSAoVVMgJiBDYW5hZGEpBjsAVEkiFXNpZ25pbl9wZXJzb25faWQGOwBGaQMSvRpJIhRsYXN0X2xvZ2luX2RhdGUGOwBGVTogQWN0aXZlU3VwcG9ydDo6VGltZVdpdGhab25lWwhJdToJVGltZQ2T3RzAAABA7QY6CXpvbmVJIghVVEMGOwBUSSIfUGFjaWZpZWRfZGFzaGJvYXJkX21lc3NhZ2UGOwBGVA%3D%3D--6ce6ef4bd6bc1a469164b6740e7571c754b31cca' cookie = SimpleCookie() cookie.load(rawdata) # Even though SimpleCookie is dictionary-like, it internally uses a Morsel object # which is incompatible with requests. Manually construct a dictionary instead. cookies = {} for key, morsel in cookie.items(): cookies[key] = morsel.value

If you are using Python 2, you will need to import from Cookie instead of http.cookies .

Docs:

https://docs.python.org/2/library/cookie.html

https://docs.python.org/3/library/http.cookies.html

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There is no automated way, but try this, which should do what you need (assuming s is the line above):

 >>> import re >>> q = {k.strip():v for k,v in re.findall(r'(.*?)=(.*?);', s.split(':')[1])} >>> q['__utma'] '13103r6942.2918'
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