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fs-watcher-1.0.9


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توضیحات

Daemon that watches specified files/folders for changes and fires commands in response to those changes
ویژگی مقدار
سیستم عامل -
نام فایل fs-watcher-1.0.9
نام fs-watcher
نسخه کتابخانه 1.0.9
نگهدارنده ['Oleh Palii']
ایمیل نگهدارنده ['o.palij@gmail.com']
نویسنده -
ایمیل نویسنده -
آدرس صفحه اصلی https://github.com/paleg/Watcher
آدرس اینترنتی https://pypi.org/project/fs-watcher/
مجوز MIT
filesystem watcher ================== .. image:: https://img.shields.io/pypi/v/fs-watcher.svg?style=flat-square :target: https://warehouse.python.org/project/fs-watcher/ :alt: fs-watcher on PyPI .. image:: https://img.shields.io/pypi/l/fs-watcher.svg?style=flat-square :target: https://warehouse.python.org/project/fs-watcher/ :alt: fs-watcher on PyPI .. image:: https://img.shields.io/github/issues/paleg/Watcher.svg?style=flat-square :target: https://github.com/paleg/Watcher/issues :alt: GitHub issues for Watcher | .. contents:: :local: Overview -------- ``Watcher`` is a daemon that watches specified files/folders for changes and fires commands in response to those changes. It is similar to incron_, however, configuration uses a simpler to read ini file instead of a plain text file. Unlike incron it can also recursively monitor directories. It's written in Python, making it easier to hack. * `Source on GitHub <https://github.com/paleg/Watcher>`_ * `Packages on PyPI <https://warehouse.python.org/project/fs-watcher/>`_ This fork is a rewritting of the code using python-daemon implementation of PEP3143_ with additional features: * async commands executing which allows several copies of command can be executed simultaneously for single job * capturing command output to separate log file * exclude watching files by regular expression * perform actions on successful/failure command completion. Requirements ------------ ``Watcher`` supports both Python 2.7 and Python 3.x. It has following dependencies which can be installed with your package manager or `pip`: * pyinotify_ * python-daemon_ * lockfile_ * chardet_ * future_ To install dependencies on Debian: .. code-block:: bash sudo apt-get install python-pyinotify python-daemon python-lockfile python-chardet python-future .. code-block:: bash sudo apt-get install python3-pyinotify python3-daemon python3-lockfile python3-chardet python3-future To install dependencies on Gentoo: .. code-block:: bash emerge -av dev-python/pyinotify dev-python/python-daemon dev-python/lockfile dev-python/chardet dev-python/future pip_ will install dependencies automatically. Installation ------------ Debian ~~~~~~ Download latest deb package from `GitHub releases page <https://github.com/paleg/Watcher/releases>`_ and install it with ``dpkg``. .. code-block:: bash sudo dpkg -i fs-watcher_X.Y.Z-0_all.deb In addition to ``Watcher`` itself, it will install: * sample configuration file to ``/etc/watcher.ini`` * systemd service ``fs-watcher`` (in disabled state). To start using ``Watcher`` you must change ``/etc/watcher.ini`` to suit your needs and enable/start ``fs-watcher`` service. Pip ~~~ System-wide using pip_: .. code-block:: bash sudo pip install fs-watcher .. code-block:: bash sudo pip3 install fs-watcher This command will install: * Python modules for ``Watcher`` * sample configuration file * samples of startup scripts * executable to start ``Watcher`` Use following command to check exact locations: .. code-block:: bash pip show -f fs-watcher There are samples of startup scripts. Use your init system manual to install them properly. Check/fix path to ``Watcher`` executable in samples before using, by default it is assumed to be ``/usr/sbin/watcher``. For systemd: .. code-block:: bash cp share/init/fs-watcher.service /etc/systemd/system/fs-watcher.service systemctl daemon-reload systemctl enable fs-watcher systemctl start fs-watcher For SysV: .. code-block:: bash cp share/init/fs-watcher.sysvinit /etc/init.d/fs-watcher update-rc.d fs-watcher defaults /etc/init.d/fs-watcher start For OpenRC: .. code-block:: bash cp share/init/fs-watcher.openrc /etc/init.d/fs-watcher rc-update add fs-watcher default /etc/init.d/fs-watcher start Configuration ------------- Check provided `watcher.ini`_ file for an example job configuration. The config file should reside in ``/etc/watcher.ini`` or ``~/.watcher.ini``. You can also specify the path to the config file as a command line parameter using the ``--config`` option. If you edit the ini file you must restart the daemon for it to reload the configuration. Usage ----- .. code:: usage: watcher [-h] [--version] [-c CONFIG] [-v] {start,stop,restart,debug} positional arguments: {start,stop,restart,debug} What to do. optional arguments: -h, --help show this help message and exit --version show program's version number and exit -c CONFIG, --config CONFIG Path to the config file (default: None) -v, --verbose verbose output Debug mode ~~~~~~~~~~ You can start ``Watcher`` with `debug` positional argument to prevent it from forking to the background and log messages to stdout: .. code-block:: bash watcher debug Increasing the amount of inotify watchers ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ There is a limit of max number of inotify watchers. When this limit is not enough to monitor all jobs, the limit must be increased for ``Watcher`` to work properly. You can find following error in log when facing this limit: .. code:: add_watch: cannot watch /...... WD=-1, Errno=No space left on device (ENOSPC) If you are running Debian, RedHat, or another similar Linux distribution, run the following in a terminal to increase this limit: .. code-block:: bash echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p Increasing the amount of queued events ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ There is a limit of max queued events. When this limit is not enough to monitor all jobs, the limit must be increased for ``Watcher`` to work properly. You can find following warning in log when facing this limit: .. code:: pyinotify - WARNING - Event queue overflowed. If you are running Debian, RedHat, or another similar Linux distribution, run the following in a terminal to increase this limit: .. code-block:: bash echo fs.inotify.max_queued_events=65536 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p .. _incron: http://incron.aiken.cz/ .. _PEP3143: http://legacy.python.org/dev/peps/pep-3143/ .. _pyinotify: http://github.com/seb-m/pyinotify .. _python-daemon: https://alioth.debian.org/projects/python-daemon/ .. _lockfile: https://launchpad.net/pylockfile .. _chardet: https://chardet.github.io/ .. _future: https://pypi.python.org/pypi/future .. _pip: https://pip.readthedocs.org/ .. _watcher.ini: /debian/watcher.ini


نیازمندی

مقدار نام
- future
- pyinotify
- python-daemon
- lockfile
- chardet


نحوه نصب


نصب پکیج whl fs-watcher-1.0.9:

    pip install fs-watcher-1.0.9.whl


نصب پکیج tar.gz fs-watcher-1.0.9:

    pip install fs-watcher-1.0.9.tar.gz