mirror of
https://github.com/trustgraph-ai/trustgraph.git
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98022d6af4
* Converted setup.py to pyproject.toml * Modern package infrastructure as recommended by py docs
104 lines
No EOL
2.1 KiB
Python
104 lines
No EOL
2.1 KiB
Python
"""
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Connects to the graph query service and dumps all graph edges in Turtle
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format.
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"""
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import rdflib
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import io
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import sys
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import argparse
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import os
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from trustgraph.api import Api, Uri
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default_url = os.getenv("TRUSTGRAPH_URL", 'http://localhost:8088/')
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default_user = 'trustgraph'
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default_collection = 'default'
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def show_graph(url, flow_id, user, collection):
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api = Api(url).flow().id(flow_id)
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rows = api.triples_query(
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s=None, p=None, o=None,
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user=user, collection=collection,
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limit=10_000)
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g = rdflib.Graph()
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for row in rows:
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sv = rdflib.term.URIRef(row.s)
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pv = rdflib.term.URIRef(row.p)
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if isinstance(row.o, Uri):
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# Skip malformed URLs with spaces in
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if " " in row.o:
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continue
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ov = rdflib.term.URIRef(row.o)
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else:
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ov = rdflib.term.Literal(row.o)
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g.add((sv, pv, ov))
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g.serialize(destination="output.ttl", format="turtle")
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buf = io.BytesIO()
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g.serialize(destination=buf, format="turtle")
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sys.stdout.write(buf.getvalue().decode("utf-8"))
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def main():
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parser = argparse.ArgumentParser(
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prog='tg-graph-to-turtle',
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description=__doc__,
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)
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parser.add_argument(
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'-u', '--api-url',
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default=default_url,
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help=f'API URL (default: {default_url})',
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)
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parser.add_argument(
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'-f', '--flow-id',
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default="default",
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help=f'Flow ID (default: default)'
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)
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parser.add_argument(
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'-U', '--user',
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default=default_user,
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help=f'User ID (default: {default_user})'
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)
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parser.add_argument(
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'-C', '--collection',
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default=default_collection,
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help=f'Collection ID (default: {default_collection})'
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)
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args = parser.parse_args()
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try:
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show_graph(
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url = args.api_url,
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flow_id = args.flow_id,
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user = args.user,
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collection = args.collection,
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)
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except Exception as e:
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print("Exception:", e, flush=True)
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if __name__ == "__main__":
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main() |