Elamur Groupantsmova-seaspider-main
The groupant beside tools/seaspider/src/main.rs in the Mova repository: what the code computes, what it never does, how to go back from its outputs, its invariants, cost and checks.
Facts
Implementation material. A Mova code model describes this code at one source revision: partial models, finite checks and their stated scope. It is not a reviewed general exposition, and its labels are shown as written, never raised.
Components
| component | label | where |
|---|---|---|
| approximant | partial | Forward approximant |
| ast | partial | syntax.json |
| composition | partial | Composition |
| cost | partial | Cost |
| descriptant | present | Descriptant |
| invariant | partial | Invariant |
| tests | finite evidence | tests |
Obernants
The typed relations around the forward model: the behaviour complement (what the code never does), the reverse reconstruction (every input compatible with an output) and specialised views.
| id | type | label | where |
|---|---|---|---|
behavior_complement | behavior_complement | partial source derived model | behavior_complement |
reverse_reconstruction | reverse_reconstruction | partial source derived model | reverse_reconstruction |
Model text
model
mova-seaspider-main
Descriptant
seaspider CLI: fetch CONFIG QUEUE, get STORE URL|sha256:HEX, robots CONFIG URL, stats STORE. Source: tools/seaspider/src/main.rs.
Forward approximant
Match exact argument shapes; fetch/robots load the config and run a current-thread tokio runtime; get writes the body to stdout and a one-line summary to stderr; stats prints JSON; anything else prints usage and exits 1.
Invariant
Unknown commands or argument counts have no effect beyond the usage message and a non-zero exit.
Cost
O(1) dispatch plus the chosen operation.
Composition
Executable over crawl and store.
behavior_complement
No flags, no daemon mode, no network without a config. Counterexample: 'seaspider fetch' alone exits non-zero (links_file_follow_mode_and_cli). Evidence status: source-derived model with finite checks, not a proof.
reverse_reconstruction
The printed summary or body identifies the operation's result; the configuration and queue are not recoverable from output. No unique inverse is claimed.
Epoch 2026-11-04 (English)
2026-11-04: serve CONFIG DEPUTY_CONFIG SOCKET and ask SOCKET ID [urgent] (prints the English answer, then the JSON reply).
Epoch 2026-11-04 (Sea Spider live: singleton and callers)
Epoch 2026-11-04: fetch and robots take the singleton lease; a refused serve/fetch/robots prints the holder and exits 5 (EXIT_RUNNING); ask --from CALLER.
tests
Checks
End-to-end: get, stats and a usage error through the built binary.
Command: cargo test --manifest-path tools/seaspider/Cargo.toml --offline --locked (27 unit + 9 end-to-end tests against a local 127.0.0.1 HTTP server; two identical runs on 2026-11-04). These are finite fixtures; the only live run was the 2026-11-04 smoke against the project's own site.
2026-11-04 (English): cargo test --manifest-path tools/seaspider/Cargo.toml --offline --locked with MOVA_OCTOPUS_TEST_MODEL=$MOVA_DATA/download/0/0.4/en.bin (31 unit + 9 end-to-end + 2 English tests on a local 127.0.0.1 server; two identical runs on 2026-11-04). Negative controls 2026-11-04: binding arguments to the first action instead of through the parse, allowing every robots decision, and ordering jobs by arrival only each turn the English tests red; restored afterwards.
2026-11-04: cargo test --manifest-path tools/seaspider/Cargo.toml --offline --locked with MOVA_OCTOPUS_TEST_MODEL=$MOVA_DATA/download/0/0.4/en.bin (34 unit + 9 end-to-end + 1 singleton CLI + 2 English tests; two identical runs on 2026-11-04) Negative controls 2026-11-04: a lock that always succeeds turns the singleton unit and CLI tests red; admitting every caller turns the served English test red (the Whale's fetch is queued); restored afterwards.
This page in Markdown → https://md.groupants.elamur.ai/free/en/mova/tools/seaspider/src/main.rs.groupant/