grafeo
Python bindings for Grafeo, a high-performance, embeddable graph database with a Rust core.
Installation
uv add grafeo
# or: pip install grafeo
Quick Start
from grafeo import GrafeoDB
# In-memory database
db = GrafeoDB()
# Or persistent
# db = GrafeoDB("./my-graph")
# Create nodes
db.execute("INSERT (:Person {name: 'Alix', age: 30})")
db.execute("INSERT (:Person {name: 'Gus', age: 25})")
db.execute("INSERT (:Person {name: 'Alix'})-[:KNOWS]->(:Person {name: 'Gus'})")
# Query the graph
result = db.execute("MATCH (p:Person) WHERE p.age > 20 RETURN p.name, p.age")
for row in result:
print(row)
API Overview
Database
db = GrafeoDB() # in-memory
db = GrafeoDB("./path") # persistent
db = GrafeoDB.open("./path") # open existing
db.node_count # number of nodes
db.edge_count # number of edges
Query Languages
result = db.execute(gql) # GQL (ISO standard)
result = db.execute(gql, {"name": "Alix"}) # GQL with parameters
result = db.execute_cypher(query) # Cypher
result = db.execute_sparql(query) # SPARQL
result = db.execute_gremlin(query) # Gremlin
result = db.execute_graphql(query) # GraphQL
result = db.execute_sql(query) # SQL/PGQ (SQL:2023)
Node & Edge CRUD
node = db.create_node(["Person"], {"name": "Alix", "age": 30})
edge = db.create_edge(source_id, target_id, "KNOWS", {"since": 2024})
n = db.get_node(node_id) # Node or None
e = db.get_edge(edge_id) # Edge or None
db.set_node_property(node_id, "key", "value")
db.set_edge_property(edge_id, "key", "value")
db.delete_node(node_id)
db.delete_edge(edge_id)
Transactions
# Context manager (auto-rollback on exception)
with db.begin_transaction() as tx:
tx.execute("INSERT (:Person {name: 'Harm'})")
tx.commit()
# With isolation levels (string or enum)
from grafeo import IsolationLevel
with db.begin_transaction(IsolationLevel.SERIALIZABLE) as tx:
tx.execute("MATCH (n:Person) SET n.verified = true")
tx.commit()
# Per-transaction CDC override
with db.begin_transaction_with_cdc(True) as tx:
tx.execute("INSERT (:AuditedEvent {action: 'login'})")
tx.commit()
Named Graphs and Schemas
db.create_graph("social")
db.set_graph("social")
print(db.list_graphs()) # ['social']
print(db.current_graph()) # 'social'
db.reset_graph()
db.drop_graph("social")
db.set_schema("v1")
print(db.current_schema()) # 'v1'
db.reset_schema()
Graph Projections
db.create_projection("people", node_labels=["Person"], edge_types=["KNOWS"])
print(db.list_projections()) # ['people']
db.drop_projection("people")
Data Import
count = db.import_csv("users.csv", "Person", headers=True)
count = db.import_jsonl("events.jsonl", "Event")
Backup and Restore
db.backup_full("/backups/full")
db.backup_incremental("/backups/incr")
GrafeoDB.restore_to_epoch("/backups/full", epoch=100, output_path="./restored")
QueryResult
result = db.execute("MATCH (n:Person) RETURN n.name, n.age")
result.columns # column names
len(result) # row count
result.execution_time_ms # execution time (milliseconds)
for row in result: # iterate rows
print(row)
result[0] # access by index
result.scalar() # first column of first row
Vector Search
# Create an HNSW index
db.create_vector_index("Document", "embedding", dimensions=384)
# Insert vectors
node = db.create_node(["Document"], {"embedding": [0.1, 0.2, ...]})
# Search
results = db.vector_search("Document", "embedding", query_vector, k=10)
Features
- GQL, Cypher, SPARQL, Gremlin, GraphQL, and SQL/PGQ query languages
- Full node/edge CRUD with native Python types
- ACID transactions with configurable isolation levels
- HNSW vector similarity search
- Property indexes for fast lookups
- Named graph and schema management
- Graph projections (filtered virtual views)
- CSV and JSON Lines import
- Incremental backup and restore
- Per-transaction CDC control
- Async support via
asyncio - Type stubs included
Links
License
Apache-2.0
1 maintainer
Metadata
1 maintainer
Release files for grafeo 0.5.44
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| grafeo-0.5.44.tar.gz | 2.8 MB | Details |
Built distributions (wheels)
| File | Reset | |||
|---|---|---|---|---|
| grafeo-0.5.44-cp312-abi3-win_amd64.whl | CPython 3.12 | abi3 | Windows x86-64 | Details |
| grafeo-0.5.44-cp312-abi3-win32.whl | CPython 3.12 | abi3 | Windows x86-32 | Details |
| grafeo-0.5.44-cp312-abi3-musllinux_1_2_x86_64.whl | CPython 3.12 | abi3 | Linux musl 1.2+ x86-64 | Details |
| grafeo-0.5.44-cp312-abi3-musllinux_1_2_aarch64.whl | CPython 3.12 | abi3 | Linux musl 1.2+ ARM64 | Details |
| grafeo-0.5.44-cp312-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl | CPython 3.12 | abi3 | Linux glibc 2.17+ x86-64 | Details |
| grafeo-0.5.44-cp312-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl | CPython 3.12 | abi3 | Linux glibc 2.17+ ARM64 | Details |
| grafeo-0.5.44-cp312-abi3-macosx_11_0_arm64.whl | CPython 3.12 | abi3 | macOS 11.0+ ARM64 | Details |
| grafeo-0.5.44-cp312-abi3-macosx_10_12_x86_64.whl | CPython 3.12 | abi3 | macOS 10.12+ x86-64 | Details |
Total release size: 46.0 MB
Release files / grafeo-0.5.44.tar.gz
| Download URL | grafeo-0.5.44.tar.gz |
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| Tags | Source |
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