mirror of
https://github.com/ansible-collections/community.general.git
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01bf3940e3
This commit adds a new shared module that parses network device configuration files. It is used to build modules that work with the various supported network device operating systems
85 lines
2.3 KiB
Python
85 lines
2.3 KiB
Python
#
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# (c) 2015 Peter Sprygada, <psprygada@ansible.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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import re
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import collections
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class ConfigLine(object):
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def __init__(self, text):
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self.text = text
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self.children = list()
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self.parents = list()
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self.raw = None
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def __str__(self):
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return self.raw
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def __eq__(self, other):
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if self.text == other.text:
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return self.parents == other.parents
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def __ne__(self, other):
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return not self.__eq__(other)
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def parse(lines, indent):
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toplevel = re.compile(r'\S')
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childline = re.compile(r'^\s*(.+)$')
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repl = r'([{|}|;])'
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ancestors = list()
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config = list()
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for line in str(lines).split('\n'):
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text = str(re.sub(repl, '', line)).strip()
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cfg = ConfigLine(text)
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cfg.raw = line
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if not text or text[0] in ['!', '#']:
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continue
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# handle top level commands
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if toplevel.match(line):
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ancestors = [cfg]
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# handle sub level commands
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else:
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match = childline.match(line)
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line_indent = match.start(1)
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level = int(line_indent / indent)
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parent_level = level - 1
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cfg.parents = ancestors[:level]
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if level > len(ancestors):
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config.append(cfg)
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continue
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for i in range(level, len(ancestors)):
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ancestors.pop()
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ancestors.append(cfg)
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ancestors[parent_level].children.append(cfg)
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config.append(cfg)
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return config
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