go.mod - cetus - Cetus is a simple wallpaper setting tool written in Go

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module framagit.org/andinus/cetus

go 1.13

eral.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */

class Tags(object):
	def __init__(self, filename):
		from os.path import isdir, exists, dirname, abspath, realpath, expanduser

		self._filename = realpath(abspath(expanduser(filename)))

		if isdir(dirname(self._filename)) and not exists(self._filename):
			open(self._filename, 'w')

		self.sync()
	
	def __contains__(self, item):
		return item in self.tags

	def add(self, *items):
		self.sync()
		for item in items:
			self.tags.add(item)
		self.dump()

	def remove(self, *items):
		self.sync()
		for item in items:
			try:
				self.tags.remove(item)
			except KeyError:
				pass
		self.dump()

	def toggle(self, *items):
		self.sync()
		for item in items:
			if item in self:
				try:
					self.tags.remove(item)
				except KeyError:
					pass
			else:
				self.tags.add(item)
		self.dump()
	
	def sync(self):
		try:
			f = open(self._filename, 'r')
		except OSError:
			pass
		else:
			self.tags = self._parse(f)
			f.close()
	
	def dump(self):
		try:
			f = open(self._filename, 'w')
		except OSError:
			pass
		else:
			self._compile(f)
			f.close()
	
	def _compile(self, f):
		for line in self.tags:
			f.write(line + '\n')

	def _parse(self, f):
		result = set()
		for line in f:
			result.add(line.strip())
		return result