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mail: fix duplicate "From" headers
Problem introduced in 9a0c41175e66: When iterating the headers dict and setting
"msg[key] = value", it wasn't replacing the header but performing add_header so
we sometimes ended up with two From headers.
It is also a general problem that while the headers dict only can contain each
key once, it can contain entries that only differ in casing and thus will fold
to the same message header, making it possible to end up adding duplicate
headers.
"msg.replace_header(key, value)" is not a simple solution to the problem: it
will raise KeyError if no such previous key exists.
Now, make the problem more clear by explicitly using add_header.
Avoid the duplication problem by deleting the key (no matter which casing)
before invoking add_header. Delete promises that "No exception is raised if the
named field isn’t present in the headers".
Problem introduced in 9a0c41175e66: When iterating the headers dict and setting
"msg[key] = value", it wasn't replacing the header but performing add_header so
we sometimes ended up with two From headers.
It is also a general problem that while the headers dict only can contain each
key once, it can contain entries that only differ in casing and thus will fold
to the same message header, making it possible to end up adding duplicate
headers.
"msg.replace_header(key, value)" is not a simple solution to the problem: it
will raise KeyError if no such previous key exists.
Now, make the problem more clear by explicitly using add_header.
Avoid the duplication problem by deleting the key (no matter which casing)
before invoking add_header. Delete promises that "No exception is raised if the
named field isn’t present in the headers".
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===============
Troubleshooting
===============
:Q: **Missing static files?**
:A: Make sure either to set the ``static_files = true`` in the .ini file or
double check the root path for your http setup. It should point to
for example:
``/home/my-virtual-python/lib/python3.7/site-packages/kallithea/public``
|
:Q: **Can't install celery/rabbitmq?**
:A: Don't worry. Kallithea works without them, too. No extra setup is required.
Try out the great Celery docs for further help.
|
:Q: **Long lasting push timeouts?**
:A: Make sure you set a longer timeout in your proxy/fcgi settings. Timeouts
are caused by the http server and not Kallithea.
|
:Q: **Large pushes timeouts?**
:A: Make sure you set a proper ``max_body_size`` for the http server. Very often
Apache, Nginx, or other http servers kill the connection due to to large
body.
|
:Q: **Apache doesn't pass basicAuth on pull/push?**
:A: Make sure you added ``WSGIPassAuthorization true``.
|
:Q: **Git fails on push/pull?**
:A: Make sure you're using a WSGI http server that can handle chunked encoding
such as ``waitress`` or ``gunicorn``.
|
:Q: **How can I use hooks in Kallithea?**
:A: It's easy if they are Python hooks: just use advanced link in
hooks section in Admin panel, that works only for Mercurial. If
you want to use Git hooks, just install th proper one in the repository,
e.g., create a file `/gitrepo/hooks/pre-receive`. You can also use
Kallithea-extensions to connect to callback hooks, for both Git
and Mercurial.
|
:Q: **Kallithea is slow for me, how can I make it faster?**
:A: See the :ref:`performance` section.
|
:Q: **UnicodeDecodeError on Apache mod_wsgi**
:A: Please read: https://docs.djangoproject.com/en/dev/howto/deployment/wsgi/modwsgi/#if-you-get-a-unicodeencodeerror.
|
:Q: **Requests hanging on Windows**
:A: Please try out with disabled Antivirus software, there are some known problems with Eset Antivirus. Make sure
you have installed the latest Windows patches (especially KB2789397).
.. _python: http://www.python.org/
.. _mercurial: https://www.mercurial-scm.org/
.. _celery: http://celeryproject.org/
.. _rabbitmq: http://www.rabbitmq.com/
.. _python-ldap: http://www.python-ldap.org/
|