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dotdrop/dotdrop/options.py
2019-03-29 14:43:08 +01:00

243 lines
8.2 KiB
Python

"""
author: deadc0de6 (https://github.com/deadc0de6)
Copyright (c) 2017, deadc0de6
stores all options to use across dotdrop
"""
import os
import socket
from docopt import docopt
# local imports
from dotdrop.version import __version__ as VERSION
from dotdrop.linktypes import LinkTypes
from dotdrop.logger import Logger
from dotdrop.config import Cfg
ENV_PROFILE = 'DOTDROP_PROFILE'
ENV_CONFIG = 'DOTDROP_CONFIG'
ENV_NOBANNER = 'DOTDROP_NOBANNER'
ENV_DEBUG = 'DOTDROP_DEBUG'
ENV_NODEBUG = 'DOTDROP_FORCE_NODEBUG'
ENV_XDG = 'XDG_CONFIG_HOME'
BACKUP_SUFFIX = '.dotdropbak'
PROFILE = socket.gethostname()
if ENV_PROFILE in os.environ:
PROFILE = os.environ[ENV_PROFILE]
NAME = 'dotdrop'
CONFIG = 'config.yaml'
HOMECFG = '~/.config/{}'.format(NAME)
BANNER = """ _ _ _
__| | ___ | |_ __| |_ __ ___ _ __
/ _` |/ _ \| __/ _` | '__/ _ \| '_ |
\__,_|\___/ \__\__,_|_| \___/| .__/ v{}
|_|""".format(VERSION)
USAGE = """
{}
Usage:
dotdrop install [-VbtfndD] [-c <path>] [-p <profile>] [<key>...]
dotdrop import [-Vbld] [-c <path>] [-p <profile>] <path>...
dotdrop compare [-Vb] [-c <path>] [-p <profile>]
[-o <opts>] [-C <file>...] [-i <pattern>...]
dotdrop update [-VbfdkP] [-c <path>] [-p <profile>]
[-i <pattern>...] [<path>...]
dotdrop listfiles [-VbT] [-c <path>] [-p <profile>]
dotdrop detail [-Vb] [-c <path>] [-p <profile>] [<key>...]
dotdrop list [-Vb] [-c <path>]
dotdrop --help
dotdrop --version
Options:
-p --profile=<profile> Specify the profile to use [default: {}].
-c --cfg=<path> Path to the config.
-C --file=<path> Path of dotfile to compare.
-i --ignore=<pattern> Pattern to ignore.
-o --dopts=<opts> Diff options [default: ].
-n --nodiff Do not diff when installing.
-t --temp Install to a temporary directory for review.
-T --template Only template dotfiles.
-D --showdiff Show a diff before overwriting.
-l --inv-link Invert "link_import_default".
-P --show-patch Provide a one-liner to manually patch template.
-f --force Do not warn if exists.
-k --key Treat <path> as a dotfile key.
-V --verbose Be verbose.
-d --dry Dry run.
-b --no-banner Do not display the banner.
-v --version Show version.
-h --help Show this screen.
""".format(BANNER, PROFILE)
class AttrMonitor:
_set_attr_err = False
def __setattr__(self, key, value):
"""monitor attribute setting"""
if not hasattr(self, key) and self._set_attr_err:
self._attr_change(key)
super(AttrMonitor, self).__setattr__(key, value)
def _attr_set(self, attr):
"""do something when unexistent attr is set"""
pass
class Options(AttrMonitor):
def __init__(self, args=None):
"""constructor
@args: argument dictionary (if None use sys)
"""
self.args = args
if not args:
self.args = docopt(USAGE, version=VERSION)
self.log = Logger()
self.debug = self.args['--verbose']
if not self.debug and ENV_DEBUG in os.environ:
self.debug = True
if ENV_NODEBUG in os.environ:
self.debug = False
self.profile = self.args['--profile']
self.confpath = self._get_config_path()
if self.debug:
self.log.dbg('config file: {}'.format(self.confpath))
self._read_config(self.profile)
self._apply_args()
self._fill_attr()
if ENV_NOBANNER not in os.environ \
and self.banner \
and not self.args['--no-banner']:
self._header()
self._print_attr()
# start monitoring for bad attribute
self._set_attr_err = True
def _get_config_path(self):
"""get the config path"""
# cli provided
if self.args['--cfg']:
return os.path.expanduser(self.args['--cfg'])
# environment variable provided
if ENV_CONFIG in os.environ:
return os.path.expanduser(os.environ[ENV_CONFIG])
# look in current directory
if os.path.exists(CONFIG):
return CONFIG
# look in XDG_CONFIG_HOME
if ENV_XDG in os.environ:
cfg = os.path.expanduser(os.environ[ENV_XDG])
path = os.path.join(cfg, NAME, CONFIG)
if os.path.exists(path):
return path
# look in home .config/dotdrop directory
cfg = os.path.expanduser(HOMECFG)
path = os.path.join(cfg, CONFIG)
if os.path.exists(path):
return path
return None
def _header(self):
"""print the header"""
self.log.log(BANNER)
self.log.log('')
def _read_config(self, profile=None):
"""read the config file"""
self.conf = Cfg(self.confpath, profile=profile, debug=self.debug)
# transform the configs in attribute
for k, v in self.conf.get_settings().items():
if self.debug:
self.log.dbg('setting: {}={}'.format(k, v))
setattr(self, k, v)
def _apply_args(self):
"""apply cli args as attribute"""
# the commands
self.cmd_list = self.args['list']
self.cmd_listfiles = self.args['listfiles']
self.cmd_install = self.args['install']
self.cmd_compare = self.args['compare']
self.cmd_import = self.args['import']
self.cmd_update = self.args['update']
self.cmd_detail = self.args['detail']
# adapt attributes based on arguments
self.dry = self.args['--dry']
self.safe = not self.args['--force']
# import link default value
self.import_link = self.link_import_default
if self.args['--inv-link']:
if self.import_link == LinkTypes.NOLINK:
self.import_link = LinkTypes.PARENT
elif self.import_link == LinkTypes.PARENT:
self.import_link = LinkTypes.NOLINK
elif self.import_link == LinkTypes.CHILDREN:
self.import_link = LinkTypes.NOLINK
# "listfiles" specifics
self.listfiles_templateonly = self.args['--template']
# "install" specifics
self.install_temporary = self.args['--temp']
self.install_keys = self.args['<key>']
self.install_diff = not self.args['--nodiff']
self.install_showdiff = self.showdiff or self.args['--showdiff']
self.install_backup_suffix = BACKUP_SUFFIX
# "compare" specifics
self.compare_dopts = self.args['--dopts']
self.compare_focus = self.args['--file']
self.compare_ignore = self.args['--ignore']
self.compare_ignore.append('*{}'.format(self.install_backup_suffix))
# "import" specifics
self.import_path = self.args['<path>']
# "update" specifics
self.update_path = self.args['<path>']
self.update_iskey = self.args['--key']
self.update_ignore = self.args['--ignore']
self.update_ignore.append('*{}'.format(self.install_backup_suffix))
self.update_showpatch = self.args['--show-patch']
# "detail" specifics
self.detail_keys = self.args['<key>']
def _fill_attr(self):
"""create attributes from conf"""
# variables
self.variables = self.conf.get_variables(self.profile,
debug=self.debug).copy()
# the dotfiles
self.dotfiles = self.conf.eval_dotfiles(self.profile, self.variables,
debug=self.debug).copy()
# the profiles
self.profiles = self.conf.get_profiles()
def _print_attr(self):
"""print all of this class attributes"""
if not self.debug:
return
self.log.dbg('options:')
for att in dir(self):
if att.startswith('_'):
continue
val = getattr(self, att)
if callable(val):
continue
self.log.dbg('- {}: \"{}\"'.format(att, val))
def _attr_set(self, attr):
"""error when some inexistent attr is set"""
raise Exception('bad option: {}'.format(attr))