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Description:
pygtail 0.14.0
A python “port” of logcheck’s logtail2.
Pygtail reads log file lines that have not been read. It will even
handle log files that have been rotated.
Usage
From the command line:
Usage: pygtail.py [options] logfile
Print log file lines that have not been read.
Options:
-h, --help show this help message and exit
-o OFFSET_FILE, --offset-file=OFFSET_FILE
File to which offset data is written (default:
<logfile>.offset).
-p, --paranoid Update the offset file every time we read a line
(as opposed to only when we reach the end of the
file).
-n N, --every-n=N Update the offset file every N'th time we read a
line (as opposed to only when we reach the end of
the file).
--no-copytruncate Don't support copytruncate-style log rotation.
Instead, if the log file shrinks, print a warning.
--read-from-end Read log file from the end if offset file is
missing. Useful for large files.
--log-pattern Custom log rotation glob pattern. Use %s to
represent the original filename. You may use this
multiple times to provide multiple patterns.
--full_lines Only log when line ends in a newline `\n`
(default: False)
--encoding ENCODING Encoding to use for reading files (default: system
encoding)
--version Print version and exit.
In your code:
from pygtail import Pygtail
for line in Pygtail("some.log"):
sys.stdout.write(line)
An example showing iterating over lines with offsets and manual control over offset updates:
import pygtail
tail = pygtail.Pygtail(logfile, save_on_end=False, copytruncate=False)
for line, offset in tail.with_offsets():
# Do someting
# figure out right offset to save
tail.write_offset_to_file(right_offset)
Contributing
Pull requests are very much welcome, but I will not merge your changes if you don’t include a test. Run tests with python setup.py test.
Build status
License
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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