feat: GEE image fetch reporting for export_batch#84
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Adds a FetchStats class that tracks planned, completed, failed, and cached GEE fetch operations across export chunks. Stats are logged to stderr after each chunk completes when show_progress=True, giving users visibility into quota usage, cache reuse, and whether runtime is dominated by GEE fetching. Closes cybergis#76
- FetchStats now tracks the most recently completed point index and sensor collection, shown as last=point:N,sensor:X in the log line - CHANGELOG.md updated (required by CI)
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Goood job! Thank you @amrit110 🍻 |
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Summary
Closes #76
FetchStats, a thread-safe class intools/progress.pythat accumulates GEE fetch statistics: total planned fetches, completed, failed, and cache hitsFetchStatsintoPrefetchManager.fetch_chunk()— updated on every task success, failure, and cache skipBatchExportercreates aFetchStatsinstance whenshow_progress=Trueand a GEE provider is active; logs a summary line to stderr after each chunk completes (per-item layout) or after all prefetching finishes (combined layout)show_progress=Falseor when no GEE provider is involved (e.g. precomputed models)Example output with
chunk_size=2and 6 points:Test plan
tests/test_fetch_stats.py— 28 new tests covering:FetchStatsunit tests (counters, format, thread safety with 200-thread race)PrefetchManagerintegration (planned counts, cache hits, partial cache hits, failure recording)export_batchend-to-end (log emitted when enabled, suppressed when disabled, correct counts, multi-chunk cumulative accumulation, no log for precomputed models)