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# -*- coding: UTF-8 -*-
# Copyright 2015 Red Hat, Inc.
# Part of clufter project
# Licensed under GPLv2+ (a copy included | http://gnu.org/licenses/gpl-2.0.txt)
"""Format representing a list of strings (new-line delimited)"""
__author__ = "Jan Pokorný <jpokorny @at@ Red Hat .dot. com>"
from ..format import SimpleFormat
from ..protocol import Protocol
class string_iter(SimpleFormat):
native_protocol = STRINGITER = Protocol('stringiter')
BYTESTRING = SimpleFormat.BYTESTRING
@SimpleFormat.producing(BYTESTRING, chained=True)
def get_bytestring(self, *protodecl):
"""Return command as canonical single string"""
# chained fallback
return (
# add a trailing new-line as per conventions
# XXX should there be a knob for that?
'\n'.join(s for s in self.STRINGITER(protect_safe=True) if s) + '\n'
)
@SimpleFormat.producing(STRINGITER, protect=True)
def get_stringiter(self, *protodecl):
return (s.strip() for s in (self.BYTESTRING().rstrip('\n')).split('\n'))
class string_list(string_iter):
native_protocol = STRINGLIST = Protocol('stringlist')
@SimpleFormat.producing(STRINGLIST, protect=True)
def get_stringlist(self, *protodecl):
return list(self.STRINGITER(protect_safe=True))
class string_set(string_iter):
native_protocol = STRINGSET = Protocol('stringset')
@SimpleFormat.producing(STRINGSET, protect=True)
def get_stringset(self, *protodecl):
return set(self.STRINGITER(protect_self=True))
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