twisted / twisted/klein

AttributeError: module 'OpenSSL.SSL' has no attribute 'TLS_METHOD'

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#569 2 comments 0 reactions 0 assignees View on GitHub

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Dominant language
Python
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Forks
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Avg merge
7h 58m
Merged PRs (30d)
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Description

When I import klein (i.e.: from klein import Klein), I get an error that concludes in the following lines:

 File "/usr/local/lib/python3.7/dist-packages/twisted/internet/_sslverify.py", line 1807, in fromOpenSSLCipherString
    SSL.TLS_METHOD,
AttributeError: module 'OpenSSL.SSL' has no attribute 'TLS_METHOD'

Appears related to this twisted issue.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the failure with from klein import Klein and inspect the traceback ending in Twisted's twisted/internet/_sslverify.py. Read the linked Twisted issue to understand the OpenSSL.SSL.TLS_METHOD compatibility problem. Done means importing Klein no longer raises this AttributeError.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
backend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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