dependency.py

import pprint
import rpm
import yum

package_names = []
packages = []

yb = yum.YumBase()
ts = rpm.TransactionSet()
mi = ts.dbMatch()

details = {}

pp = pprint.PrettyPrinter(indent=2)
for h in mi:
    full_name = '%s-%s-%s.%s' % (h['name'], h['version'], h['release'], h['arch'])
    if 'gpg-pubkey' in full_name: continue
    node = '%s.%s' % (h['name'], h['arch'])
    details[node] = {
        'arch': h['arch'],
        'full_name': full_name,
        'name': h['name'],
    }
    package_names.append(full_name)

packages = yb.pkgSack.returnNewestByName(patterns=package_names, ignore_case=True)

for package in packages:
    node = '%s.%s' % (package.name, package.arch)
    details[node]['version'] = package.printVer()
    details[node]['depends_node'] = set()

    dep_packages = yb.findDeps([package])

    for dep_package in dep_packages[package]:
        first = dep_packages[package][dep_package][0]
        for first in dep_packages[package][dep_package]:
            dep_name = '%s-%s-%s.%s' % (first.name, first.version, first.release, first.arch)
            dep_node = "%s.%s" % (first.name, first.arch)
            if dep_name in package_names: details[node]['depends_node'].add(dep_node)

#print 'node,arch,full_name,name,version'
#for detail in sorted(details):
#    print '%s,%s,%s,%s,%s' % (detail, details[detail]['arch'],details[detail]['full_name'],details[detail]['name'],details[detail]['version'])

print 'node,depends_node'
for detail in sorted(details):
    for dep in details[detail]['depends_node']:
        print '%s,%s' % (detail, dep)

gistfile1.txt

LOAD CSV WITH HEADERS FROM "file:///tmp/out.csv" AS csvLine CREATE (r:RPM { id: csvLine.node, arch: csvLine.arch, full_name: csvLine.full_name, name: csvLine.name, version: csvLine.version})
CREATE INDEX ON :RPM(name)

USING PERIODIC COMMIT 
LOAD CSV WITH HEADERS FROM "file:///tmp/out.csv2" AS csvLine 
MATCH (root:RPM { id: csvLine.node }), (dep:RPM { id: csvLine.depends_node}) 
CREATE (root)-[:DEPENDS_ON]->(dep)


MATCH (root { id: 'hiera.noarch' })<-[:DEPENDS_ON]-(dep) RETURN dep
MATCH (root {id:"puppet.noarch"}) return root