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This adds an asyncio implementation of the server side of the SCGI
protocol, because asyncore is being deprecated. Unlike the asyncore
implementation, this does not yet support sendfile.
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In order to use type hint syntax, we need to bump the minimum Python
version to 3.7 and some of the features such as Literal and Protocol are
opted in when a sufficiently recent Python is available.
This does not make all of the code pass type checking with mypy. A
number of typing issues remain, but the output of mypy becomes something
one can read through.
In adding type hints, a lot of epydoc @type annotations are removed as
redundant. This update also adopts black-style line breaking.
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Type checkers tend to deal badly with heterogeneous lists and we cannot
use a tuple here, because it needs to be modifiable. The attachment of
names also improves clarity.
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Apache mod_proxy_scgi seems to insert an additional slash at the start
of PATH_INFO deal with this rather than rejecting authentication.
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distutils will be removed from Python 3.12.
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The mypy type checker deals badly when a binding changes its type. To
ease porting to mypy, avoid changing the type of variables. In some
cases, variables can be eliminated. In other cases, they are renamed.
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cgitb.html returns str, but wsgi must return bytes.
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The __call__ method may return None to indicate failure. Using
compare_digest with a None value results in a TypeError.
Fixes: ab06a888e216 ("use secrets.compare_digest when available")
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Reported-by: pylint
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The potential wsgi 2.0 standard didn't happen. Schedule adapters for
removal.
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Since PEP475 or Python 3.5, select retries an interrupted system call.
However, we were relying on the previous behaviour. Thus we must
interrupt select using some other measure. Another socketpair is created
and the signal handler transfers a byte on shutdown.
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When an iterable is returned and a Content-Length header is already
present, don't add a second one.
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On Python 2.x, any integer sorts below the empty tuple. That was
exploited in the maxstore parameter, but fails on Python 3 with a
TypeError.
Also add a regression test.
Reported-by: Dominik Brodowski <mail@dominikbrodowski.net>
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There is no reason to use old-style classes beyond laziness.
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With unicode strings it no longer holds that if s.isdigit() then you can
safely int(s), because there are more digits (such as ^3 \xb3) accepted
by isdigit. This can cause an uncaught ValueError in certain places if
the remote scgi server presents bogus data. Thanks to Klaus Aehlig for
pointing out what isdigit accepts.
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Clarify the type of the log file-like passed to RequestLogWSGIFilter.
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The intent is to port the changes from 0.2.4 to py3k.
Conflicts:
README
test.py
wsgitools/scgi/forkpool.py
All conflicts were resolved in a minimal way. The test suite now fails
for all python versions.
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The limit is only set on workers does not apply to the master. Upon
reaching the soft limit the worker terminates after finished the current
request.
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The forkpool server was incompatible with dumb generators. They only
call start_response when being asked for the first output element, but
the forkpool server was wrongly requiring start_response to be called
before returning the iterator.
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It can be stored inside the config attribute.
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The interface and port attributes are always used together. Combine them
in order to reduce complexity.
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Define a textopen function that returns "native strings" (in the sense
of pep3333). Therefore textopen needs to decode using iso-8859-1 iff
running on py3k. Additionally use a with construct to close the file
being read in all circumstances.
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There is no file builtin, and binary mode gives bytes instead of str.
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