find-deps: Display missing deps in .PKGINFO

from argparse import ArgumentParser

from elftools.elf.dynamic import DynamicSection, DynamicSegment

from elftools.elf.elffile import ELFFile

from os import walk, environ, getcwd, chdir

from os import walk, environ, getcwd, chdir, access, R_OK

from os.path import join, exists, isdir, isfile, normpath, realpath

from pprint import pprint

from pycman import config

PACKAGES = None

def missing_pkginfo(path, deps):

    '''show deps against path'''

    fpath = join(path, ".PKGINFO")

    if not access(fpath, R_OK):

        return

    pkginfo = parse_pkginfo(fpath)

    if "depend" not in pkginfo:

        return

    diff = set(deps.keys() - set(pkginfo["depend"]))

    if len(diff) > 0:

        print("\n:: Missing in .PKGINFO")

        pprint(diff)

def parse_pkginfo(path):

    '''parse a .PKGINFO file'''

    pkginfo = dict()

    with open(path) as fd:

        for line in fd.readlines():

            # skip empty and comment

            if len(line) == 0 or line[0] == "#":

                continue

            lhs, rhs = line.split("=", 1)

            pkginfo.setdefault(lhs.strip(), []).append(rhs.strip())

    return(pkginfo)

def find_sharedlibs(fd):

    ef = ELFFile(fd)

    for section in ef.iter_sections():

        tarball.extractall(pkgdir.name)

        args.path = pkgdir.name

    if isdir(args.path):

        pprint(find_deps(args.path))

        deps = find_deps(args.path)

        # display deps

        print(":: Found deps")

        pprint(deps)

        # show missing deps in .PKGINFO

        missing_pkginfo(args.path, deps)

    else:

        stderr.write("Unsupported file type\n")

        return 2