moving files around after repository merger

1 files changed, 0 insertions, 260 deletions

diff --git a/src-py/neo4j_util.py b/src-py/neo4j_util.py
deleted file mode 100644
index cf2f962e..00000000
--- a/src-py/neo4j_util.py
+++ /dev/null
@@ -1,260 +0,0 @@
-"""
- Utility code in speaking the neo4j REST api
-"""
-
-import json
-import six
-from six.moves.urllib import request
-import six.moves.urllib_error as urllib_error
-import model
-import string
-import time
-
-from util import debug_log_duration
-
-class Neo4JException(Exception):
-    def __init__(self, error_set):
-        self.error_set = error_set
-
-    def __str__(self):
-        return 'neo4j error set: ' + str(self.error_set)
-
-class DB_row(object):
-    def __init__(self, data):
-        self.data = data
-
-    def __iter__(self):
-        for column_val in self.data:
-            yield column_val
-
-    def items(self):
-        return [x for x in self]
-
-class DB_result_set(object):
-    def __init__(self, data):
-        self.data = data
-
-    def __iter__(self):
-        for db_row_dict in self.data['data']:
-            # example: dict: {u'row': [{u'title': u'foo'}]}
-            assert None != db_row_dict['row']
-
-            yield DB_row(db_row_dict['row'])
-
-    def items(self):
-        return [x for x in self]
-
-class Cypher_String_Formatter(string.Formatter):
-    """
-    Despite parameter support in Cypher, we sometimes do engage in query string building
-    - as both Cypher & Python use brackets to wrap parameters, escaping them in Python makes
-    queries less readable. This customized formatter will simply ignore unavailable keyworded
-    formatting arguments, allowing the use of non-escaped parameter designation, eg:
-    q = cfmt("match (a:{type} {cypher_param})", type='Book')
-    """
-
-    def get_field(self, field_name, args, kwargs):
-        # ignore key not found, return bracket wrapped key
-        try:
-            val = super(Cypher_String_Formatter, self).get_field(field_name, args, kwargs)
-        except (KeyError, AttributeError):
-            val = "{" + field_name + "}", field_name
-        return val
-
-def cfmt(fmt_str, *args, **kwargs):
-    return Cypher_String_Formatter().format(fmt_str, *args, **kwargs)
-
-def post_neo4j(url, data):
-    """
-    @return dict object from the neo4j json POST response
-    """
-    ret = post(url, data)
-    ret_data = json.load(ret)
-
-    # [!] do not raise exception if ret_data['errors'] is not empty -
-    # this allows query-sets to partially succeed
-
-    return ret_data
-
-def post(url, data):
-    assert(isinstance(data, dict))  # make sure we're not handed json strings
-
-    post_data_json = json.dumps(data)
-
-    req = request.Request(url)
-    req.add_header('User-Agent', 'rhizi-server/0.1')
-    req.add_header('Accept', 'application/json; charset=UTF-8')
-    req.add_header('Content-Type', 'application/json')
-
-    req.add_header('X-Stream', 'true')  # enable neo4j JSON streaming
-
-    try:
-        ret = request.urlopen(req, post_data_json)
-    except urllib_error.HTTPError as e:
-        raise Exception('post request failed: code: {0}, reason: {1}'.format(e.code, e.reason))
-
-    return ret
-
-def statement_to_REST_form(query, parameters={}):
-    """
-    turn cypher query to neo4j json API format
-    """
-    assert isinstance(query, six.string_types)
-    if isinstance(parameters, list):
-        for v in parameters:
-            assert isinstance(v, dict)
-    else:
-        assert isinstance(parameters, dict)
-
-    return {'statement' : query, 'parameters': parameters}
-
-def statement_set_to_REST_form(statement_set):
-    assert isinstance(statement_set, list)
-
-    return {'statements': statement_set}
-
-def gen_clause_attr_filter_from_filter_attr_map(filter_attr_map, node_label="n"):
-    if not filter_attr_map:
-        return "{}"
-
-    __type_check_filter_attr_map(filter_attr_map)
-
-    filter_arr = []
-    for attr_name in filter_attr_map.keys():
-        # create a cypher query parameter place holder for each attr set
-        # eg. n.foo in {foo}, where foo is passed as a query parameter
-        f_attr = cfmt("{attr_name}: {{{attr}}}", attr_name=attr_name)
-        filter_arr.append(f_attr)
-
-    filter_str = "{{{0}}}".format(', '.join(filter_arr))
-    return filter_str
-
-def gen_clause_where_from_filter_attr_map(filter_attr_map, node_label="n"):
-    """
-    convert a filter attribute map to a parameterized Cypher where clause, eg.
-    in: { 'att_foo': [ 'a', 'b' ], 'att_goo': [1,2] }
-    out: {att_foo: {att_foo}, att_goo: {att_goo}, ...}
-
-    this function will essentially ignore all but the first value in the value list
-
-    @param filter_attr_map: may be None or empty
-    """
-    if not filter_attr_map:
-        return ""
-
-    __type_check_filter_attr_map(filter_attr_map)
-
-    filter_arr = []
-    for attr in filter_attr_map.keys():
-        # create a cypher query parameter place holder for each attr set
-        # eg. n.foo in {foo}, where foo is passed as a query parameter
-        f_attr = cfmt("{node_label}.{attr} in {{{attr}}}", node_label=node_label, attr=attr)
-        filter_arr.append(f_attr)
-    filter_str = "where {0}".format(' and '.join(filter_arr))
-    return filter_str
-
-def gen_query_create_from_node_map(node_map, input_to_DB_property_map=lambda _: _):
-    """
-    generate a set of node create queries
-
-    @param node_map: is a node-type to node map
-    @input_to_DB_property_map: optional function which takes a map of input properties and returns a map of DB properties - use to map input schemas to DB schemas
-
-    @return: a (query, query_parameteres) set of create queries
-    """
-    __type_check_link_or_node_map(node_map)
-
-    ret = []
-    for label, n_set in node_map.items():
-
-        assert len(label) > 2 and label[0].isupper() and label[1:].islower(), 'malformed label: ' + label
-
-        q_arr = ['create (n:%s {node_attr})' % (label),
-                 'return n.id'
-                 ]
-
-        q = ' '.join(q_arr)
-        q_params_set = []
-        for n_prop_set in n_set:
-
-            assert None != n_prop_set['id'], 'node create query: node id attribute not set'
-
-            q_params = input_to_DB_property_map(n_prop_set)
-            q_params_set.append(q_params)
-        ret.append((q, {'node_attr': q_params_set}))
-    return ret
-
-def gen_query_create_from_link_map(link_map, input_to_DB_property_map=lambda _: _):
-    """
-    generate a set of link create queries
-
-    @param link_map: is a link-type to link map - see model.link
-    """
-    __type_check_link_or_node_map(link_map)
-
-    ret = []
-    for l_type, l_set in link_map.items():
-        q = "match (src {id: {src}.id}),(dst {id: {dst}.id}) " + \
-            "create (src)-[r:%(__type)s {link_attr}]->(dst) " + \
-            "return id(r)"
-        q = q % {'__type':l_type}
-
-        for link in l_set:
-            __type_check_link(link)
-
-            src_id = link['__src_id']
-            dst_id = link['__dst_id']
-
-            # TODO: use object based link representation
-            prop_dict = link.copy()
-            del prop_dict['__dst_id']
-            del prop_dict['__src_id']
-
-            q_params = {'src': { 'id': src_id} ,
-                        'dst': { 'id': dst_id} ,
-                        'link_attr' : input_to_DB_property_map(prop_dict)}
-            ret.append((q, q_params))
-
-    return ret
-
-def meta_attr_list_to_meta_attr_map(e_set, meta_attr='__label_set'):
-    """
-    convert a list of maps each containing a meta_attr key into a
-    meta_attr-mapped collection of lists with the meta_attr removed - eg:
-
-        in: [{'id':0, '__type': 'T'}, {'id':1, '__type': 'T'}]
-        out: { 'T', [{'id':0}, {'id':1}] }
-    """
-    ret = {}
-    for v in e_set:
-        assert None != v[meta_attr], 'missing type meta-attribute'
-        assert 1 == len(v[meta_attr]), 'only single-type mapping currently suppoerted'
-
-        v_type = v[meta_attr][0]
-        if None == ret.get(v_type):  # init type list if necessary
-            ret[v_type] = []
-
-        v_no_meta = v.copy()
-        del v_no_meta[meta_attr]
-
-        ret[v_type].append(v_no_meta)
-
-    return ret
-
-def __type_check_link(link):
-    assert link.has_key('__src_id')
-    assert link.has_key('__dst_id')
-
-def __type_check_link_or_node_map(x_map):
-    for k, v in x_map.iteritems():  # do some type sanity checking
-        assert isinstance(k, six.string_types)
-        assert isinstance(v, list)
-
-def __type_check_filter_attr_map(filter_attr_map):
-    """
-    # type sanity check an attribute filter map
-    """
-    assert isinstance(filter_attr_map, dict)
-    for k, v in filter_attr_map.items():
-        assert isinstance(k, six.string_types)
-        assert isinstance(v, list)