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CondConfigParser-1.0.5
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Python library for parsing configuration files with conditionals
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | CondConfigParser-1.0.5 |
| نام | CondConfigParser |
| نسخه کتابخانه | 1.0.5 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Florent Rougon |
| ایمیل نویسنده | f.rougon@free.fr |
| آدرس صفحه اصلی | http://frougon.net/projects/CondConfigParser/ |
| آدرس اینترنتی | https://pypi.org/project/CondConfigParser/ |
| مجوز | 2-clause BSD |
===============================================================================
CondConfigParser
===============================================================================
Python library for parsing configuration files with conditionals
-------------------------------------------------------------------------------
CondConfigParser is a Python library designed to help Python application
developers to parse configuration files. Compared to well-known modules
such as `configparser`_ and `json`_, the main specificity of
CondConfigParser is that it allows the end user to define conditions
using boolean operators and specific sections in the configuration file
that are only applied when the corresponding condition is fulfilled.
.. _configparser: https://docs.python.org/3/library/configparser.html#module-configparser
.. _json: https://docs.python.org/3/library/json.html#module-json
The configuration file format allows the end user to define variables of
type boolean, string or list. These variables, in addition to *external
variables* defined by the application, can be combined with Python-like
syntax to define the conditions (called *predicates*) mentioned in the
previous paragraph.
Lists in CondConfigParser may be nested at will. Variable definitions
may refer to previously-defined variables. Predicates can combine
``==``, ``!=`` and ``in`` tests using as many logical ``or``, ``and``,
``not`` operators and parentheses as necessary. Such “logical
expressiveness” (and much more) could be obtained by reading
configuration files interpreted as Python code, however:
- the syntax in such a case would not allow the almost-freeform
options that are permitted by CondConfigParser (where the
application chooses how to interpret the “options”);
- when an application interprets user configuration files as Python
code, it exposes its users to some risk in case a malicious user
manages to sneak code of his choice into a configuration file of the
victim (think about configuration file snippets copied from Internet
forums...).
Regarding the second point in particular, CondConfigParser never uses
``eval`` or ``exec`` to parse configuration files. It should thus be
safe to work with any configuration file, including files prepared by
malicious users.
.. _end-of-intro:
Home page
---------
CondConfigParser's home page is located at:
http://frougon.net/projects/CondConfigParser/
(it was on people.via.ecp.fr before April 30, 2016)
Requirements
------------
This version of CondConfigParser requires `Python`_ 3.4 or later.
Installation from source also requires `setuptools`_, but this should only
be a concern if you want to install without `pip`_ (if you have ``pip``,
you should already have ``setuptools``; and if not, installing ``pip``
is likely to cause ``setuptools`` to be installed at the same time).
.. _Python: https://www.python.org/
.. _pip: https://pypi.org/project/pip/
Debian package
--------------
If you are a Debian_ user, you can install CondConfigParser using the
following lines in your ``/etc/apt/sources.list``::
deb http://frougon.net/debian-ffgo unstable main
deb-src http://frougon.net/debian-ffgo unstable main
The package is named ``python3-condconfigparser``. A package for Debian
*stable* is also available. If this is what you want, just replace
*unstable* with *buster*, or whatever is the codename of the current
Debian *stable* release, in the ``sources.list`` lines given above.
The ``Release`` files in this repository are signed with `Florent
Rougon's OpenPGP key`_ . After downloading this key, be sure to verify
that this is the same key as served `by Github
<https://github.com/frougon.gpg>`_ over https (you'll need to add a
trailing newline to the latter to ensure byte-for-byte equality). Once
you've verified that this is the right key, you can add it to your
``apt`` keyring using ``apt-key add /path/to/file``, as root. This
allows ``apt`` to authenticate the packages. If you don't do this, the
installation should still be possible but with warnings and, of course,
reduced security.
.. _Debian: https://www.debian.org/
.. _Florent Rougon's OpenPGP key: http://frougon.net/keys.html
Quick installation instructions
-------------------------------
This section describes installation from source. If you want to install
from a Debian_ package instead, see above.
If you have a working `pip`_ setup, you should be able to install
CondConfigParser with::
pip install CondConfigParser
(``pip install condconfigparser`` also works)
When doing so, make sure that your ``pip`` executable runs with the
Python 3 installation you want to install CondConfigParser for.
For more detailed instructions, you can read the ``INSTALL.txt`` file
from a release tarball. You may also want to consult the `“Installing
Python Modules” chapter of the Python documentation
<https://docs.python.org/3/installing/index.html>`_ and the `pip
documentation <https://pip.pypa.io/>`_.
Download
--------
Typical installations with `pip`_ automatically download the latest
release from `PyPI`_. However, in some cases, you may want to download a
wheel package, tarball or zip file yourself in order to install it
later, possibly on a different machine. You may get such files `from
PyPI <https://pypi.org/project/CondConfigParser/>`_ or `from Florent
Rougon's home page
<http://frougon.net/projects/CondConfigParser/dist/>`_ (the former
should normally be favored over the latter, as it is served over https).
.. _PyPI: https://pypi.org/
Git repository
--------------
CondConfigParser is maintained in a `Git repository
<https://github.com/frougon/CondConfigParser>`_ that can be cloned with::
git clone https://github.com/frougon/CondConfigParser
Documentation
-------------
The CondConfigParser Manual is written in `reStructuredText`_ format for
the `Sphinx`_ documentation generator. The HTML documentation for the
latest version of CondConfigParser as rendered by Sphinx is available
at:
http://frougon.net/projects/CondConfigParser/doc/
.. _reStructuredText: http://docutils.sourceforge.net/rst.html
.. _Python: https://www.python.org/
.. _Sphinx: http://sphinx-doc.org/
.. _LaTeX: http://latex-project.org/
.. _Make: http://www.gnu.org/software/make/
The sources for the CondConfigParser Manual are located in the ``doc``
top-level directory of the CondConfigParser distribution, but the
documentation build process pulls many parts from the source code,
mainly docstrings.
To generate the documentation yourself from CondConfigParser's code and
the `reStructuredText`_ sources in the ``doc`` directory, first make
sure you have `Python`_ 3.x, `Sphinx`_ and `Make`_ installed. Then, go
to the ``doc`` directory and type, for instance::
make html
You will find the output in the ``_build/html`` subdirectory of ``doc``.
`Sphinx`_ can build the documentation in many other formats. For
instance, if you have `LaTeX`_ installed, you can generate the
CondConfigParser Manual in PDF format with::
make latexpdf
You can run ``make`` from the ``doc`` directory to see a list of the
available formats. Run ``make clean`` to clean up after the
documentation build process.
Note:
The ``Makefile`` uses a Python script (``prepare-basic-pkg-info.py``)
to generate ``basic-pkg-info.rst`` from the top-level ``README.rst``
file. By default, this script is interpreted by the ``python3``
executable. If you want to explicitely choose the interpreter to use,
you can set the ``PYTHON`` Makefile variable like this::
make PYTHON=python3.4 html
Note that this only affects running of ``prepare-basic-pkg-info.py``;
the Python interpreter used by Sphinx in other places of the
``Makefile`` is determined by the `sphinx-build`_ executable that
should be part of your Sphinx installation.
For those who have installed `Sphinx`_ but not `Make`_, it is still
possible to build the documentation with two commands such as::
python3 prepare-basic-pkg-info.py ../README.rst basic-pkg-info.rst
sphinx-build -b html -d _build/doctrees . _build/html
These commands must be run from the ``doc`` directory. Please refer to
`sphinx-build`_ for more details.
.. _sphinx-build: http://sphinx-doc.org/invocation.html
Running the automated test suite
--------------------------------
* If you want to run the automated test suite from an unpacked release
tarball (or `Git`_ checkout), go to the root directory of that
CondConfigParser distribution (the directory containing ``README.rst``
and the ``condconfigparser`` directory) and run::
python3 -m unittest
(assuming of course that you want to run the tests with an executable
called ``python3``).
You may want to add the ``-v`` option at the end of the command in
order to run the test suite in verbose mode.
* On the other hand, if you have already installed CondConfigParser for
a given Python installation and you want to test the installed
package, go to the directory containing the installed package and
run::
python3 -m unittest discover -t ..
With a POSIX-style shell, you can combine both operations with the
following command (that does not change your current directory)::
( cd base_dir/lib/python3.4/site-packages/condconfigparser && \
python3 -m unittest discover -t .. )
This command is given for a Python 3.4 installation:
- rooted at ``base_dir`` (typically ``/usr``, ``/usr/local``,
``/opt/pythonX.Y`` [on Unix-like systems] or a directory
containing a Python `venv`_ or `virtualenv`_)
- using the ``python3`` executable.
You may want to add the ``-v`` option after the ``discover`` argument
in order to run the test suite in verbose mode.
A successful run of the test suite looks like this::
% python3 -m unittest
.......
----------------------------------------------------------------------
Ran 7 tests in 0.052s
OK
% echo $?
0
%
In the above output, each dot represents a successful test. The
``echo $?`` command shows the zero exit status, indicating success for
all tests. In case of a failure, the exit status is non-zero.
It is also possible to ask `setuptools`_ to run the test suite (by
default in verbose mode, cf. `the corresponding documentation
<https://setuptools.pypa.io/en/latest/setuptools.html#test-build-package-and-run-a-unittest-suite>`_).
For instance::
python3 setup.py test
.. _Git: http://git-scm.com/
.. _venv: https://docs.python.org/3/library/venv.html
.. _virtualenv: https://virtualenv.pypa.io/
.. _setuptools: https://setuptools.pypa.io/
..
# Local Variables:
# coding: utf-8
# fill-column: 72
# End:
زبان مورد نیاز
| مقدار | نام |
|---|---|
| ~=3.4 | Python |
نحوه نصب
نصب پکیج whl CondConfigParser-1.0.5:
pip install CondConfigParser-1.0.5.whl
نصب پکیج tar.gz CondConfigParser-1.0.5:
pip install CondConfigParser-1.0.5.tar.gz