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dotdrop/dotdrop/config.py
2017-03-14 21:06:30 +01:00

135 lines
4.8 KiB
Python

"""
author: deadc0de6 (https://github.com/deadc0de6)
Copyright (c) 2017, deadc0de6
config file manager
"""
import yaml
import os
from dotfile import Dotfile
from logger import Logger
class Cfg:
key_all = 'ALL'
key_config = 'config'
key_profiles = 'profiles'
key_dotfiles = 'dotfiles'
key_dotfiles_src = 'src'
key_dotfiles_dst = 'dst'
def __init__(self, cfgpath, dotpath):
if not os.path.exists(cfgpath):
raise ValueError('config file does not exist')
self.cfgpath = cfgpath
self.log = Logger()
relconf = dotpath
if not relconf.startswith(os.sep):
relconf = os.path.join(os.path.dirname(cfgpath), dotpath)
self.configs = {'dotpath': relconf}
self.dotfiles = {}
self.profiles = {}
self.prodots = {}
if not self._load_file():
raise ValueError('config is not valid')
def _load_file(self):
with open(self.cfgpath, 'r') as f:
self.content = yaml.load(f)
if not self._is_valid():
return False
return self._parse()
def _is_valid(self):
if self.key_profiles not in self.content:
self.log.err('missing \"%s\" in config' % (self.key_profiles))
return False
if self.key_config not in self.content:
self.log.err('missing \"%s\" in config' % (self.key_config))
return False
if self.key_dotfiles not in self.content:
self.log.err('missing \"%s\" in config' % (self.key_dotfiles))
return False
return True
def _parse(self):
""" parse config file """
self.profiles = self.content[self.key_profiles]
if self.profiles is None:
self.profiles = {}
self.configs = self.content[self.key_config]
# contains all defined dotfiles
if self.content[self.key_dotfiles] is not None:
for k, v in self.content[self.key_dotfiles].items():
src = v[self.key_dotfiles_src]
dst = v[self.key_dotfiles_dst]
self.dotfiles[k] = Dotfile(k, dst, src)
# contains a list of dotfiles defined for each profile
for k, v in self.profiles.items():
self.prodots[k] = []
if v is None:
continue
if len(v) == 1 and v == [self.key_all]:
self.prodots[k] = self.dotfiles.values()
else:
self.prodots[k].extend([self.dotfiles[dot] for dot in v])
# make sure we have a correct dotpath
if not self.configs['dotpath'].startswith(os.sep):
relconf = os.path.join(os.path.dirname(
self.cfgpath), self.configs['dotpath'])
self.configs['dotpath'] = relconf
return True
def new(self, dotfile, profile):
""" import new dotfile """
dots = self.content[self.key_dotfiles]
if dots is None:
self.content[self.key_dotfiles] = {}
dots = self.content[self.key_dotfiles]
if self.content[self.key_dotfiles] and dotfile.key in dots:
self.log.err('\"%s\" entry already exists in dotfiles' %
(dotfile.key))
return False
home = os.path.expanduser('~')
dotfile.dst = dotfile.dst.replace(home, '~')
dots[dotfile.key] = {
self.key_dotfiles_dst: dotfile.dst,
self.key_dotfiles_src: dotfile.src
}
profiles = self.profiles
if profile in profiles and profiles[profile] != [self.key_all]:
if self.content[self.key_profiles][profile] is None:
self.content[self.key_profiles][profile] = []
self.content[self.key_profiles][profile].append(dotfile.key)
elif profile not in profiles:
if self.content[self.key_profiles] is None:
self.content[self.key_profiles] = {}
self.content[self.key_profiles][profile] = [dotfile.key]
self.profiles = self.content[self.key_profiles]
def get_dotfiles(self, profile):
""" returns a list of dotfiles for a specific profile """
if profile not in self.prodots:
return []
tmp = sorted(self.prodots[profile], key=lambda x: x.key, reverse=True)
return tmp
def get_profiles(self):
""" returns all defined profiles """
return self.profiles.keys()
def get_configs(self):
""" returns all defined configs """
return self.configs.copy()
def dump(self):
""" dump config file """
return yaml.dump(self.content, default_flow_style=False, indent=2)
def save(self):
""" save config file to path """
with open(self.cfgpath, 'w') as f:
ret = yaml.dump(self.content, f,
default_flow_style=False, indent=2)
return ret