 | PyLogsParserAn opensource Python library |
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PyLogsParser Tags
- parser parse Python library Python log parser Python to C Python plugin Python component Python Encryption Library Python Email Library Python Soundpack Monty Python Python WSGI Implementation .NET Python python .net python extension library python deployer Python parser Python modules python addon opensource
PyLogsParser Description
PyLogsParser is a Python library designed for log parsing. Logs come in a variety of formats. In order to parse many different types of logs, a developer used to need to write an engine based on a large list of complex regular expressions. It can become rapidly unreadable and unmaintainable. By using LogsParser, a developer can free himself from the burden of writing a log parsing engine, since the module comes in with “batteries included”. Furthermore, this engine relies upon XML definition files that can be loaded at runtime. The definition files were designed to be easily readable and need very little skill in programming or regular expressions, without sacrificing powerfulness or expressiveness. The LogsParser module uses normalization definition files in order to tag log entries. The definition files are written in XML. The definition files allow anyone with a basic understanding of regular expressions and knowledge of a specific log format to create and maintain a customized pool of parsers. Basically a definition file will consist of a list of log patterns, each composed of many keywords. A keyword is a placeholder for a notable and/or variable part in the described log line, and therefore associated to a tag name. It is paired to a tag type, e.g. a regular expression matching the expected value to assign to this tag. If the raw value extracted this way needs further processing, callback functions can be applied to this value. This format also allows to add useful meta-data about parsed logs, such as extensive documentation about expected log patterns and log samples.
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