mirror of
https://github.com/kellyjonbrazil/jc.git
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153 lines
3.1 KiB
Python
153 lines
3.1 KiB
Python
"""jc - JSON CLI output utility hosts Parser
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Usage:
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specify --hosts as the first argument if the piped input is coming from a hosts file
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Compatibility:
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'linux', 'darwin', 'cygwin', 'win32', 'aix', 'freebsd'
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Examples:
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$ cat /etc/hosts | jc --hosts -p
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[
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{
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"ip": "127.0.0.1",
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"hostname": [
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"localhost"
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]
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},
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{
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"ip": "127.0.1.1",
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"hostname": [
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"root-ubuntu"
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]
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},
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{
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"ip": "::1",
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"hostname": [
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"ip6-localhost",
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"ip6-loopback"
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]
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},
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{
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"ip": "fe00::0",
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"hostname": [
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"ip6-localnet"
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]
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},
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{
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"ip": "ff00::0",
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"hostname": [
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"ip6-mcastprefix"
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]
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},
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{
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"ip": "ff02::1",
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"hostname": [
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"ip6-allnodes"
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]
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},
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{
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"ip": "ff02::2",
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"hostname": [
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"ip6-allrouters"
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]
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}
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]
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"""
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import jc.utils
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class info():
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version = '1.0'
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description = '/etc/hosts file parser'
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author = 'Kelly Brazil'
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author_email = 'kellyjonbrazil@gmail.com'
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# compatible options: linux, darwin, cygwin, win32, aix, freebsd
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compatible = ['linux', 'darwin', 'cygwin', 'win32', 'aix', 'freebsd']
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def process(proc_data):
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"""
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Final processing to conform to the schema.
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Parameters:
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proc_data: (dictionary) raw structured data to process
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Returns:
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dictionary structured data with the following schema:
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[
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{
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"ip": string,
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"hostname": [
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string
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]
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}
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]
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"""
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# no additional processing needed
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return proc_data
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def parse(data, raw=False, quiet=False):
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"""
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Main text parsing function
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Parameters:
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data: (string) text data to parse
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raw: (boolean) output preprocessed JSON if True
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quiet: (boolean) suppress warning messages if True
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Returns:
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dictionary raw or processed structured data
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"""
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if not quiet:
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jc.utils.compatibility(__name__, info.compatible)
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raw_output = []
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cleandata = data.splitlines()
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# Clear any blank lines
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cleandata = list(filter(None, cleandata))
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if cleandata:
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for line in cleandata:
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output_line = {}
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# ignore commented lines
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if line.strip().find('#') == 0:
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continue
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line_list = line.split(maxsplit=1)
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ip = line_list[0]
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hosts = line_list[1]
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hosts_list = hosts.split()
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comment_found = False
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for i, item in enumerate(hosts_list):
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if item.find('#') != -1:
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comment_found = True
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comment_item = i
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break
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if comment_found:
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hosts_list = hosts_list[:comment_item]
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output_line['ip'] = ip
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output_line['hostname'] = hosts_list
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raw_output.append(output_line)
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if raw:
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return raw_output
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else:
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return process(raw_output)
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