mirror of
https://github.com/element-hq/synapse.git
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Erik JohnstonandClaude Opus 4.8
cd5a6d1408
Introduce the Python<->Postgres value-mapping layer that the forthcoming Rust DBAPI2 backend will build on, plus the module scaffolding to hang it off (`synapse_rust.database.postgres`). `PgValue` is an owned representation of a bound parameter that implements `tokio_postgres::types::ToSql`, encoding into Postgres' binary wire format according to the column type from the prepared statement (so a single Python `int` becomes INT2/INT4/INT8 as appropriate, with range checks). `PythonPgFromSql` is the decode counterpart, turning a column's wire bytes back into the natural Python object (and SQL NULL into `None`). The two `accepts` lists are kept in sync via tests. The `value` submodule is exposed as `pub` for now so its not-yet-consumed public items don't trip clippy's `dead_code` lint; later changes that wire it into the cursor/connection code tighten that back up. Covers int / float / bool / str / bytes / None; lists and richer types (json, decimal, timestamps) are left to a follow-up. The unit tests exercise the whole mapping without a live Postgres server, including the float4 lossy narrowing, integer width boundaries, the WrongType and out-of-range paths, and the unsupported/non-UTF-8 decode errors. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
74 lines
1.9 KiB
TOML
74 lines
1.9 KiB
TOML
[package]
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# We name the package `synapse` so that things like logging have the right
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# logging target.
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name = "synapse"
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# dummy version. See pyproject.toml for the Synapse's version number.
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version = "0.1.0"
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edition = "2021"
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rust-version = "1.82.0"
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[lib]
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name = "synapse"
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# We generate a `cdylib` for Python and a standard `lib` for running
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# tests/benchmarks.
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crate-type = ["lib", "cdylib"]
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# This is deprecated, see tool.maturin in pyproject.toml.
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# It is left here for compatibilty with maturin < 0.15.
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[package.metadata.maturin]
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# This is where we tell maturin where to place the built library.
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name = "synapse.synapse_rust"
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[dependencies]
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async-trait = "0.1.89"
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anyhow = "1.0.63"
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base64 = "0.22.1"
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bytes = "1.6.0"
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headers = "0.4.0"
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http = "1.1.0"
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lazy_static = "1.4.0"
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log = "0.4.17"
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mime = "0.3.17"
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pyo3 = { version = "0.28.3", features = [
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"macros",
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"anyhow",
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"abi3",
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"abi3-py310",
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# So we can pass `bytes::Bytes` directly back to Python efficiently,
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# https://docs.rs/pyo3/latest/pyo3/bytes/index.html
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"bytes",
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] }
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pyo3-log = "0.13.3"
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pythonize = { version = "0.28.0", features = ["arbitrary_precision"] }
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regex = "1.6.0"
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sha2 = "0.10.8"
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serde = { version = "1.0.144", features = ["derive", "rc"] }
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serde_json = { version = "1.0.85", features = [
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"raw_value",
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# We need to be able to parse arbitrary precision numbers, as some numbers
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# in the database may be out of range of i64 (as Python uses arbitrary
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# precision integers).
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"arbitrary_precision",
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] }
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ulid = "1.1.2"
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icu_segmenter = "2.0.0"
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reqwest = { version = "0.12.15", default-features = false, features = [
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"http2",
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"stream",
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"rustls-tls-native-roots",
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] }
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http-body-util = "0.1.3"
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futures = "0.3.31"
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tokio = { version = "1.44.2", features = ["rt", "rt-multi-thread"] }
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tokio-postgres = "0.7"
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once_cell = "1.18.0"
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itertools = "0.14.0"
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postgres-protocol = "0.6.10"
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[build-dependencies]
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blake2 = "0.10.4"
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hex = "0.4.3"
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rustc_version = "0.4.1"
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