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A file monitor and server restarter.
Use this like:
..code-block:: Python
import reloader
reloader.install()
Then make sure your server is installed with a shell script like::
err=3
while test "$err" -eq 3 ; do
python server.py
err="$?"
done
or is run from this .bat file (if you use Windows)::
@echo off
:repeat
python server.py
if %errorlevel% == 3 goto repeat
or run a monitoring process in Python (``paster serve --reload`` does
this).
Use the ``watch_file(filename)`` function to cause a reload/restart for
other other non-Python files (e.g., configuration files). If you have
a dynamic set of files that grows over time you can use something like::
def watch_config_files():
return CONFIG_FILE_CACHE.keys()
paste.reloader.add_file_callback(watch_config_files)
Then every time the reloader polls files it will call
``watch_config_files`` and check all the filenames it returns.
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Install the reloading monitor.
On some platforms server threads may not terminate when the main
thread does, causing ports to remain open/locked. The
``raise_keyboard_interrupt`` option creates a unignorable signal
which causes the whole application to shut-down (rudely).
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