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import py
from operator import attrgetter
from .dotfile import Dotfile
class Repository(object):
"""
This class implements the 'repository' abstraction.
A repository is a directory that contains dotfiles. It has two primary
attributes:
repodir -- the location of the repository directory
homedir -- the location of the home directory (primarily for testing)
Both of the above attributes are received as string objects and converted
to py.path.local objects for internal use.
"""
def __init__(self, repodir, homedir='~'):
self.repodir = repodir
self.homedir = homedir
def __str__(self):
"""Convert repository contents to human readable form."""
return ''.join('%s\n' % item for item in self.contents()).rstrip()
def __repr__(self):
return '<Repository %r>' % self.repodir
@property
def repodir(self):
return str(self._repodir)
@repodir.setter
def repodir(self, path):
self._repodir = py.path.local(path, expanduser=True)
@property
def homedir(self):
return str(self._homedir)
@homedir.setter
def homedir(self, path):
self._homedir = py.path.local(path, expanduser=True)
def _expected_name(self, target):
return py.path.local("%s/.%s" % (self.homedir, target.basename))
def contents(self):
"""Given a repository path, discover all existing dotfiles."""
contents = []
self._repodir.ensure(dir=1)
for target in self._repodir.listdir():
target = py.path.local(target)
contents.append(Dotfile(self._expected_name(target), target))
return sorted(contents, key=attrgetter('name'))
def rename(self):
raise NotImplementedError
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