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#!/usr/bin/python2.7
# This file is part of rhizi, a collaborative knowledge graph editor.
# Copyright (C) 2014-2015 Rhizi
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import argparse # TODO - use the newer / shorter argument parser. y?
from collections import namedtuple
import json
import os
import uuid
import time
#### must be before any rhizi import ####
try:
import rz
except:
pass
#########################################
from model.graph import Topo_Diff
def clone(rzdoc_name):
return kernel.rzdoc__clone(kernel.rzdoc__lookup_by_name(rzdoc_name))
def create(rzdoc_name, clone):
"""
create a new document with @rzdoc_name with a single commit clone.
Missing:
this loses all the history.
no user recorded for newly created doc
"""
destination = kernel.rzdoc__create(rzdoc_name)
ctx = namedtuple('Context', ['user_name', 'rzdoc'])(None, destination)
kernel.diff_commit__topo(clone, ctx)
def names():
return [v['name'] for v in kernel.rzdoc__list()]
def create_id():
return uuid.uuid4().get_hex()[:8]
def merge_topos(topos, names):
"""
Merge a number of Topo_Diff's
result node set is union of nodes
conflicting nodes:
same name nodes take the first (id wise)
attributes: take the first
result link set is merged (well defined: replace dropped id by chosen id in all links)
"""
result = Topo_Diff()
node_names = dict()
node_ids = set()
dropped_nodes = set()
links_src_dst = set()
def rename(links, from_id, to_id):
for link in links:
if link['__src_id'] == from_id:
link['__src_id'] = to_id
if link['__dst_id'] == from_id:
link['__dst_id'] = to_id
def merge(topo):
links = topo.link_set_add
nodes = topo.node_set_add
new_nodes = []
for node in nodes:
name = node['name'].lower()
if name in node_names:
dropped_nodes.add(node['name'])
rename(links, node['id'], node_names[name]['id'])
else:
node_names[name] = node
new_nodes.append(node)
node_ids.add(node['id'])
new_links = []
for link in links:
k = (link['__src_id'], link['__dst_id'])
if k not in links_src_dst:
links_src_dst.add(k)
new_links.append(link)
if len(dropped_nodes) > 0:
print("dropped duplicate nodes count: %s" % len(dropped_nodes))
if len(new_links) != len(links):
print("dropped duplicate links count: %s" % (len(links) - len(new_links)))
print("adding %s nodes, %s links" % (len(new_nodes), len(new_links)))
result.node_set_add.extend(new_nodes)
result.link_set_add.extend(new_links)
for topo, name in zip(topos, names):
print("merging %s" % name)
merge(topo)
# now realloc all ids since otherwise they are duplicates of originals
renames = [(node['id'], create_id()) for node in result.node_set_add]
def show(word):
print("=" * 80)
print(word)
print(result.node_set_add)
print(result.link_set_add)
for src, dst in renames:
rename(result.link_set_add, src, dst)
for node, (_, new_id) in zip(result.node_set_add, renames):
node['id'] = new_id
return result
def merge(destination_name, sources=None):
if sources == None:
sources = names()
docs = [kernel.rzdoc__lookup_by_name(name) for name in sources]
topos = [kernel.rzdoc__clone(doc) for doc in docs]
create(destination_name, merge_topos(topos, sources))
def remove(rzdoc_name):
kernel.rzdoc__delete(kernel.rzdoc__lookup_by_name(rzdoc_name))
def rename(cur_name, new_name):
kernel.rzdoc__rename(cur_name, new_name)
def noeol(line):
if len(line) == 0:
return line
return line[:-1] if line[-1] == '\n' else line
if __name__ == '__main__':
p = argparse.ArgumentParser(description="rhizi command line interface")
p.add_argument('--config-dir', help='path to Rhizi config dir', default=None)
p.add_argument('--list-names', default=False, action='store_true')
p.add_argument('--list-table', default=False, action='store_true')
p.add_argument('--delete', help='doc name to delete')
p.add_argument('--merge-target', help='name of resulting rzdoc')
p.add_argument('--merge', help='comma separated names of docs to merge')
p.add_argument('--merge-file', help='filename with line per doc name')
p.add_argument('--clone', help='dump contents of doc as clone json')
p.add_argument('--create', help='create a single doc from a dumped clone json')
p.add_argument('--create-name', help='name of document to create')
p.add_argument('--rename-from', help='rename current name')
p.add_argument('--rename-to', help='rename new name')
p.add_argument('--dump-all', help='dump all documents')
p.add_argument('--load-all', help='load all arguments from previous dump')
args = p.parse_args()
if args.config_dir is None:
for d in ['res/etc', '/etc/rhizi']:
if os.path.exists(d):
args.config_dir = d
break
RZ = rz.RZ(args.config_dir)
kernel = RZ.kernel
if args.list_table:
print('\n'.join('%30s %30s' % (d['name'].encode('utf-8').ljust(30),
d['id'].encode('utf-8').ljust(30)) for d in kernel.rzdoc__search('')))
raise SystemExit
if args.list_names:
print('\n'.join(d['name'].encode('utf-8') for d in kernel.rzdoc__search('')))
raise SystemExit
if args.delete:
remove(args.delete)
if args.rename_from and args.rename_to:
rename(args.rename_from, args.rename_to)
if args.clone:
print(json.dumps(clone(args.clone).to_json_dict()))
if args.create and args.create_name:
with open(args.create) as fd:
create(args.create_name, Topo_Diff.from_json_dict(json.load(fd)))
if args.merge_target:
merge_sources = None
if args.merge:
merge_sources = args.merge.split(',')
if args.merge_file:
with open(args.merge_file) as fd:
merge_sources = [noeol(line) for line in fd.readlines()]
if merge_sources:
merge(args.merge_target, merge_sources)
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