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"""Module for easy access to portage's atom syntax """
import re
from portage.dep import dep_getcpv, dep_getkey, isvalidatom
class gentooPackage(object):
"""A Gentoo package consists of:
category
name
version
of a Gentoo package"""
def __init__(self, st):
"""An atom is initialized from an atom string"""
if not isvalidatom(st):
st = '=' + st
cp = dep_getkey(st)
self.ver = dep_getcpv(st)[len(cp) + 1:] # +1 to strip the leading '-'
slashparts = cp.split("/")
self.category = slashparts[0]
self.name = slashparts[1]
def packageName(self):
"""Returns the package name without category"""
return self.name
def packageVersion(self):
"""Returns the package version"""
return self.ver
def packageCategory(self):
"""Returns the package category without name"""
return self.category
def packageCatName(self):
"""Returns the package category and name without version"""
return "/".join([self.category, self.name])
def packageString(self):
""" Returns a portage compatible string representation"""
if self.ver == '':
return "/".join([self.category, self.name])
else:
return ( "=" + "/".join([self.category, "-".join([self.name, self.ver])]))
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