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https://github.com/alexgo-io/stacks-puppet-node.git
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84 lines
2.9 KiB
Python
84 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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#-----------------------
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# Open Name System
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# ~~~~~
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#
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# :copyright: (c) 2014 by opennamesystem.org
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# :license: MIT, see LICENSE for more details.
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#-----------------------
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# Previous copyright, from bitcoin-python:
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# Copyright (c) 2010 Witchspace <witchspace81@gmail.com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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"""
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Utilities for reading namecoin configuration files.
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"""
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def read_config_file(filename):
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"""
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Read a simple ``'='``-delimited config file.
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Raises :const:`IOError` if unable to open file, or :const:`ValueError`
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if an parse error occurs.
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"""
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f = open(filename)
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try:
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cfg = {}
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for line in f:
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line = line.strip()
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if line and not line.startswith("#"):
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try:
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(key, value) = line.split('=', 1)
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cfg[key] = value
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except ValueError:
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pass # Happens when line has no '=', ignore
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finally:
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f.close()
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return cfg
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def read_default_config(filename=None):
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"""
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Read namecoin default configuration from the current user's home directory.
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Arguments:
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- `filename`: Path to a configuration file in a non-standard location (optional)
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"""
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if filename is None:
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import os
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import platform
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home = os.getenv("HOME")
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if not home:
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raise IOError("Home directory not defined, don't know where to look for config file")
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if platform.system() == "Darwin":
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location = 'Library/Application Support/Namecoin/namecoin.conf'
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else:
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location = '.namecoin/namecoin.conf'
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filename = os.path.join(home, location)
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elif filename.startswith("~"):
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import os
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filename = os.path.expanduser(filename)
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try:
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return read_config_file(filename)
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except (IOError, ValueError):
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pass # Cannot read config file, ignore
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