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celeryd: let the gearbox command use db session as most other gearbox commands do
304aae43194c changed the common gearbox wrapper so make_app_without_logging
only was run for commands tagged as requires_db_session. That broke celeryd -
even a plain 'gearbox celeryd -c my.ini' would fail on the safety check in
celerypylons asserting on tg.config having 'celery.imports' configuration.
The gearbox celeryd command did not really require a db session - it just
required app configuration so it could create db sessions on the fly.
To to get the missing make_app_without_logging invocation back, set
requires_db_session (the default for our gearbox commands).
requires_db_session not only calls make_app_without_logging (which undo the
effect from 304aae43194c), it also calls setup_cache_regions,
engine_from_config, and init_model. These were also invoked explicitly in
celeryd code - these double invocations are dropped too.
Also, make_app_without_logging will call into tg and thus invoke the
setup_configuration hook which will set kallithea.CELERY_ON and call
load_rcextensions. The celeryd code for doing that is thus dropped.
304aae43194c changed the common gearbox wrapper so make_app_without_logging
only was run for commands tagged as requires_db_session. That broke celeryd -
even a plain 'gearbox celeryd -c my.ini' would fail on the safety check in
celerypylons asserting on tg.config having 'celery.imports' configuration.
The gearbox celeryd command did not really require a db session - it just
required app configuration so it could create db sessions on the fly.
To to get the missing make_app_without_logging invocation back, set
requires_db_session (the default for our gearbox commands).
requires_db_session not only calls make_app_without_logging (which undo the
effect from 304aae43194c), it also calls setup_cache_regions,
engine_from_config, and init_model. These were also invoked explicitly in
celeryd code - these double invocations are dropped too.
Also, make_app_without_logging will call into tg and thus invoke the
setup_configuration hook which will set kallithea.CELERY_ON and call
load_rcextensions. The celeryd code for doing that is thus dropped.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | .. _installation:
==========================
Installation on Unix/Linux
==========================
The following describes three different ways of installing Kallithea:
- :ref:`installation-source`: The simplest way to keep the installation
up-to-date and track any local customizations is to run directly from
source in a Kallithea repository clone, preferably inside a virtualenv
virtual Python environment.
- :ref:`installation-virtualenv`: If you prefer to only use released versions
of Kallithea, the recommended method is to install Kallithea in a virtual
Python environment using `virtualenv`. The advantages of this method over
direct installation is that Kallithea and its dependencies are completely
contained inside the virtualenv (which also means you can have multiple
installations side by side or remove it entirely by just removing the
virtualenv directory) and does not require root privileges.
- :ref:`installation-without-virtualenv`: The alternative method of installing
a Kallithea release is using standard pip. The package will be installed in
the same location as all other Python packages you have ever installed. As a
result, removing it is not as straightforward as with a virtualenv, as you'd
have to remove its dependencies manually and make sure that they are not
needed by other packages.
Regardless of the installation method you may need to make sure you have
appropriate development packages installed, as installation of some of the
Kallithea dependencies requires a working C compiler and libffi library
headers. Depending on your configuration, you may also need to install
Git and development packages for the database of your choice.
For Debian and Ubuntu, the following command will ensure that a reasonable
set of dependencies is installed::
sudo apt-get install build-essential git python-pip python-virtualenv libffi-dev python-dev
For Fedora and RHEL-derivatives, the following command will ensure that a
reasonable set of dependencies is installed::
sudo yum install gcc git python-pip python-virtualenv libffi-devel python-devel
.. _installation-source:
Installation from repository source
-----------------------------------
To install Kallithea in a virtualenv_ using the stable branch of the development
repository, follow the instructions below::
hg clone https://kallithea-scm.org/repos/kallithea -u stable
cd kallithea
virtualenv ../kallithea-venv
. ../kallithea-venv/bin/activate
pip install --upgrade pip setuptools
pip install --upgrade -e .
python2 setup.py compile_catalog # for translation of the UI
You can now proceed to :ref:`setup`.
.. _installation-virtualenv:
Installing a released version in a virtualenv
---------------------------------------------
It is highly recommended to use a separate virtualenv_ for installing Kallithea.
This way, all libraries required by Kallithea will be installed separately from your
main Python installation and other applications and things will be less
problematic when upgrading the system or Kallithea.
An additional benefit of virtualenv_ is that it doesn't require root privileges.
- Assuming you have installed virtualenv_, create a new virtual environment
for example, in `/srv/kallithea/venv`, using the virtualenv command::
virtualenv /srv/kallithea/venv
- Activate the virtualenv_ in your current shell session and make sure the
basic requirements are up-to-date by running::
. /srv/kallithea/venv/bin/activate
pip install --upgrade pip setuptools
.. note:: You can't use UNIX ``sudo`` to source the ``virtualenv`` script; it
will "activate" a shell that terminates immediately. It is also perfectly
acceptable (and desirable) to create a virtualenv as a normal user.
.. note:: Some dependencies are optional. If you need them, install them in
the virtualenv too::
pip install --upgrade psycopg2
pip install --upgrade python-ldap
This might require installation of development packages using your
distribution's package manager.
- Make a folder for Kallithea data files, and configuration somewhere on the
filesystem. For example::
mkdir /srv/kallithea
- Go into the created directory and run this command to install Kallithea::
pip install --upgrade kallithea
Alternatively, download a .tar.gz from http://pypi.python.org/pypi/Kallithea,
extract it and run::
pip install --upgrade .
- This will install Kallithea together with all other required
Python libraries into the activated virtualenv.
You can now proceed to :ref:`setup`.
.. _installation-without-virtualenv:
Installing a released version without virtualenv
------------------------------------------------
For installation without virtualenv, 'just' use::
pip install kallithea
Note that this method requires root privileges and will install packages
globally without using the system's package manager.
To install as a regular user in ``~/.local``, you can use::
pip install --user kallithea
You can now proceed to :ref:`setup`.
.. _virtualenv: http://pypi.python.org/pypi/virtualenv
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