cdist/cdist/__init__.py

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# -*- coding: utf-8 -*-
#
# 2010-2015 Nico Schottelius (nico-cdist at schottelius.org)
#
# This file is part of cdist.
#
# cdist 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.
#
# cdist 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 cdist. If not, see <http://www.gnu.org/licenses/>.
#
#
import os
import subprocess
import hashlib
import cdist.version
VERSION = cdist.version.VERSION
BANNER = """
.. . .x+=:. s
dF @88> z` ^% :8
'88bu. %8P . <k .88
. '*88888bu . .@8Ned8" :888ooo
.udR88N ^"*8888N .@88u .@^%8888" -*8888888
<888'888k beWE "888L ''888E` x88: `)8b. 8888
9888 'Y" 888E 888E 888E 8888N=*8888 8888
9888 888E 888E 888E %8" R88 8888
9888 888E 888F 888E @8Wou 9% .8888Lu=
?8888u../ .888N..888 888& .888888P` ^%888*
"8888P' `"888*"" R888" ` ^"F 'Y"
"P' "" ""
"""
REMOTE_COPY = "scp -o User=root"
REMOTE_EXEC = "ssh -o User=root"
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class Error(Exception):
"""Base exception class for this project"""
pass
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class UnresolvableRequirementsError(cdist.Error):
"""Resolving requirements failed"""
pass
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class CdistBetaRequired(cdist.Error):
"""Beta functionality is used but beta is not enabled"""
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def __init__(self, command, arg=None):
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self.command = command
self.arg = arg
def __str__(self):
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if self.arg is None:
err_msg = ("\'{}\' command is beta, but beta is "
"not enabled. If you want to use it please enable beta "
"functionalities by using the -b/--enable-beta command "
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"line flag or setting CDIST_BETA env var.")
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fmt_args = [self.command, ]
else:
err_msg = ("\'{}\' argument of \'{}\' command is beta, but beta "
"is not enabled. If you want to use it please enable "
"beta functionalities by using the -b/--enable-beta "
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"command line flag or setting CDIST_BETA env var.")
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fmt_args = [self.arg, self.command, ]
return err_msg.format(*fmt_args)
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class CdistObjectError(Error):
"""Something went wrong with an object"""
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def __init__(self, cdist_object, message):
self.name = cdist_object.name
self.source = " ".join(cdist_object.source)
self.message = message
def __str__(self):
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return '%s: %s (defined at %s)' % (self.name,
self.message,
self.source)
def file_to_list(filename):
"""Return list from \n seperated file"""
if os.path.isfile(filename):
file_fd = open(filename, "r")
lines = file_fd.readlines()
file_fd.close()
# Remove \n from all lines
lines = map(lambda s: s.strip(), lines)
else:
lines = []
return lines
def str_hash(s):
"""Return hash of string s"""
if isinstance(s, str):
return hashlib.md5(s.encode('utf-8')).hexdigest()
else:
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raise Error("Param should be string")