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100 lines
3.7 KiB
100 lines
3.7 KiB
# -*- coding: utf-8 -*-
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#
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# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
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# 2011 Nico Schottelius (nico-cdist at schottelius.org)
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#
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# This file is part of cdist.
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#
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# cdist 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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# cdist 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 cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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import logging
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import os
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import collections
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import cdist
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import cdist.core
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from cdist.util import fsproperty
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log = logging.getLogger(__name__)
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DOT_CDIST = '.cdist'
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class Object(object):
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"""Represents a cdist object.
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All interaction with objects in cdist should be done through this class.
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Directly accessing an object through the file system from python code is
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a bug.
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"""
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@classmethod
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def list_objects(cls, object_base_path, type_base_path):
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"""Return a list of object instances"""
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for object_name in cls.list_object_names(object_base_path):
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type_name = object_name.split(os.sep)[0]
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# FIXME: allow object without object_id? e.g. for singleton
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object_id = os.sep.join(object_name.split(os.sep)[1:])
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yield cls(cdist.core.Type(type_base_path, type_name), object_base_path, object_id=object_id)
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@classmethod
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def list_type_names(cls, object_base_path):
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"""Return a list of type names"""
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return os.listdir(object_base_path)
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@classmethod
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def list_object_names(cls, object_base_path):
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"""Return a list of object names"""
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for path, dirs, files in os.walk(object_base_path):
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if DOT_CDIST in dirs:
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yield os.path.relpath(path, object_base_path)
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def __init__(self, type, base_path, object_id=None):
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self.type = type # instance of Type
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self.base_path = base_path
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self.object_id = object_id
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self.name = os.path.join(self.type.name, self.object_id)
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self.path = os.path.join(self.type.path, self.object_id, DOT_CDIST)
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self.absolute_path = os.path.join(self.base_path, self.path)
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self.code_local_path = os.path.join(self.path, "code-local")
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self.code_remote_path = os.path.join(self.path, "code-remote")
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self.parameter_path = os.path.join(self.path, "parameter")
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self.__parameters = None
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self.__requirements = None
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def __repr__(self):
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return '<Object %s>' % self.name
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def __eq__(self, other):
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"""define equality as 'attributes are the same'"""
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return self.__dict__ == other.__dict__
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@property
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def explorer_path(self):
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# create absolute path
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path = os.path.join(self.absolute_path, "explorer")
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if not os.path.isdir(path):
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os.mkdir(path)
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# return relative path
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return os.path.join(self.path, "explorer")
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requirements = fsproperty.FileListProperty(lambda obj: os.path.join(obj.absolute_path, 'require'))
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parameters = fsproperty.DirectoryDictProperty(lambda obj: os.path.join(obj.absolute_path, 'parameter'))
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changed = fsproperty.FileBooleanProperty(lambda obj: os.path.join(obj.absolute_path, "changed"))
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prepared = fsproperty.FileBooleanProperty(lambda obj: os.path.join(obj.absolute_path, "prepared"))
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ran = fsproperty.FileBooleanProperty(lambda obj: os.path.join(obj.absolute_path, "ran"))
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