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A Python library to parse strings and extract information from structured/unstructured data

Project description

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Forked from as it seems to be dead. If pygrok becomes active again this fork may be closed.

Python implementaion of Jordan Sissel’s Grok.


pip install yalp_grok

Basic Usage

>>> import yalp_grok as pygrok
>>> text = 'gary is male, 25 years old and weighs 68.5 kilograms'
>>> pattern = '%{WORD:name} is %{WORD:gender}, %{NUMBER:age} years old and
weighs %{NUMBER:weight} kilograms'
>>> print pygrok.grok_match(text, pattern)
{'gender': 'male', 'age': '25', 'name': 'gary', 'weight': '68.5'}

Reusing Patterns

Since compiling a pattern can be time consuming, patterns can be compiled once and then reused for searching.

>>> import yalp_grok as pygrok
>>> pattern = "%{COMMONAPACHELOG}"
>>> compiled_pattern = pygrok.compile_pattern(pattern)
>>> with open('/var/log/apache/access.log', 'r') as log_file
...     matches = [pygrok.grok_search(line, compiled_pattern) for line in log_file]

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