Файловый менеджер - Редактировать - /usr/lib/python3.6/site-packages/authselect/authcompat_ConfigSnippet.py
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# -*- coding: utf-8 -*- # # Authors: # Pavel Březina <pbrezina@redhat.com> # # Copyright (C) 2018 Red Hat # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # import errno import os import re class ConfigSnippet: TEST = False AllKeysRE = re.compile(r'\${\??(?P<key>[\w-]*)}') DummyKeysRE = re.compile(r'\${\?[\w-]*}') def __init__(self, template, destination): with open(template, "r") as f: self.template = f.read() self.destination = destination def generate(self, values): # First remove lines containing key that is not set lines = self.template.split('\n') remove = [] for idx, line in enumerate(lines): for match in self.AllKeysRE.finditer(line): key = match.group("key") if key not in values or values[key] is None: remove.append(idx) break for idx in sorted(remove, reverse=True): del lines[idx] # Build output string output = '\n'.join(lines) # Remove all dummy keys ${?key} output = self.DummyKeysRE.sub("", output) # Replace values for key, value in values.items(): if value is None: continue if type(value) is bool: value = "true" if value else "false" output = output.replace("${%s}" % key, value) return output def write(self, values, to_stdout=False): output = self.generate(values) if self.TEST: print("========== BEGIN Content of [%s] ==========" % self.destination) print(output) print("========== END Content of [%s] ==========\n" % self.destination) return dirname = os.path.dirname(self.destination) if not os.path.exists(dirname): try: os.makedirs(dirname) except OSError as exception: if exception.errno == errno.EEXIST and os.path.isdir(dirname): pass else: raise with open(self.destination, "w") as f: f.write(output)
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