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Description:

apachelogs 0.6.0

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apachelogs parses Apache access log files. Pass it a log format string and get back a
parser for logfile entries in that format. apachelogs even takes care of
decoding escape sequences and converting things like timestamps, integers, and
bare hyphens to datetime values, ints, and Nones.

Installation
apachelogs requires Python 3.5 or higher. Just use pip for Python 3 (You have pip, right?) to install
apachelogs and its dependencies:
python3 -m pip install apachelogs

Examples
Parse a single log entry:
>>> from apachelogs import LogParser
>>> parser = LogParser("%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"")
>>> # The above log format is also available as the constant `apachelogs.COMBINED`.
>>> entry = parser.parse('209.126.136.4 - - [01/Nov/2017:07:28:29 +0000] "GET / HTTP/1.1" 301 521 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"\n')
>>> entry.remote_host
'209.126.136.4'
>>> entry.request_time
datetime.datetime(2017, 11, 1, 7, 28, 29, tzinfo=datetime.timezone.utc)
>>> entry.request_line
'GET / HTTP/1.1'
>>> entry.final_status
301
>>> entry.bytes_sent
521
>>> entry.headers_in["Referer"] is None
True
>>> entry.headers_in["User-Agent"]
'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36'
>>> # Log entry components can also be looked up by directive:
>>> entry.directives["%r"]
'GET / HTTP/1.1'
>>> entry.directives["%>s"]
301
>>> entry.directives["%t"]
datetime.datetime(2017, 11, 1, 7, 28, 29, tzinfo=datetime.timezone.utc)
Parse a file full of log entries:
>>> with open('/var/log/apache2/access.log') as fp: # doctest: +SKIP
... for entry in parser.parse_lines(fp):
... print(str(entry.request_time), entry.request_line)
...
2019-01-01 12:34:56-05:00 GET / HTTP/1.1
2019-01-01 12:34:57-05:00 GET /favicon.ico HTTP/1.1
2019-01-01 12:34:57-05:00 GET /styles.css HTTP/1.1
# etc.