dirty script to retrieve list of cpvs using linux-mod.eclass

test_binpkg_eclasses.py (text/plain), 1.16 KB, created by Fabio Erculiani (RETIRED) on 2010-01-17 17:00:53 UTC

# -*- coding: utf-8 -*-
import portage

ECLASS_TARGET = "linux-mod"

def _get_all_cpvs():
    """
    Return a list of all the available CPVs in porttree.
    """
    return portage.portdb.cpv_all()

def _is_cpv_using_eclass(cpv, eclass):
    """
    Determine whether given cpv uses provided eclass.
    """
    try:
        inherited = portage.portdb.aux_get(cpv, ["INHERITED"])[0]
    except KeyError:
        # deal with "live" PORTDIR
        return False
    return eclass in inherited.split()

def _get_all_cpv_using_eclass(all_cpvs):
    """
    Filter out cpvs not using ECLASS_TARGET eclass
    """
    resulting_cpvs = []
    for cpv in all_cpvs:
        if _is_cpv_using_eclass(cpv, ECLASS_TARGET):
            #print("CPV %s is using %s" % (cpv, ECLASS_TARGET,))
            resulting_cpvs.append(cpv)
    return resulting_cpvs

if __name__ == "__main__":

    #print("Getting a list of all the available cpvs...")
    all_cpvs = _get_all_cpvs()
    #print("%s: %s" % ("Available cpvs", len(all_cpvs),))
    filtered_cpvs = _get_all_cpv_using_eclass(all_cpvs)
    #print("%s: %s" % ("Filtered cpvs", len(filtered_cpvs),))
    for cpv in filtered_cpvs:
        print(cpv)