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feat(database/json): Add support for file compression#814

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gfieni merged 2 commits intomasterfrom
feat/json-database-compression
Apr 16, 2026
Merged

feat(database/json): Add support for file compression#814
gfieni merged 2 commits intomasterfrom
feat/json-database-compression

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@gfieni gfieni commented Apr 13, 2026

This PR adds the support for transparent (de-)compression for input/output files using the json database driver.
The supported compression methods are :

  • none for uncompressed files
  • auto where the compression method is inferred from the file extension (default)
  • gzip for Gzip compression
  • lzma for LZMA compression

@gfieni gfieni self-assigned this Apr 13, 2026
@gfieni gfieni requested a review from a team as a code owner April 13, 2026 14:07
@gfieni gfieni added the enhancement New feature or request label Apr 13, 2026
Comment thread src/powerapi/database/json/file_handlers.py Fixed
Comment thread src/powerapi/database/json/file_handlers.py Fixed
@gfieni gfieni force-pushed the feat/json-database-compression branch from 6d85256 to 61bb209 Compare April 14, 2026 10:15
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codecov Bot commented Apr 14, 2026

Codecov Report

❌ Patch coverage is 83.13253% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.00%. Comparing base (05182ec) to head (24bfbce).
⚠️ Report is 3 commits behind head on master.

Files with missing lines Patch % Lines
src/powerapi/database/json/file_handlers.py 85.71% 9 Missing ⚠️
src/powerapi/cli/common_cli_parsing_manager.py 0.00% 2 Missing ⚠️
src/powerapi/database/json/driver.py 83.33% 2 Missing ⚠️
src/powerapi/cli/generator.py 83.33% 1 Missing ⚠️
Additional details and impacted files

Impacted file tree graph

@@            Coverage Diff             @@
##           master     #814      +/-   ##
==========================================
+ Coverage   70.70%   71.00%   +0.29%     
==========================================
  Files          88       89       +1     
  Lines        2895     2966      +71     
==========================================
+ Hits         2047     2106      +59     
- Misses        848      860      +12     
Files with missing lines Coverage Δ
src/powerapi/cli/generator.py 88.94% <83.33%> (-0.37%) ⬇️
src/powerapi/cli/common_cli_parsing_manager.py 0.00% <0.00%> (ø)
src/powerapi/database/json/driver.py 50.74% <83.33%> (+3.12%) ⬆️
src/powerapi/database/json/file_handlers.py 85.71% <85.71%> (ø)
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@gfieni gfieni changed the title feat(database/json): Add support for input/output file compression feat(database/json): Add support for file compression Apr 14, 2026
@gfieni gfieni force-pushed the feat/json-database-compression branch from 61bb209 to 21d0ee4 Compare April 14, 2026 13:02
Comment thread src/powerapi/database/json/file_handlers.py Dismissed
@gfieni gfieni force-pushed the feat/json-database-compression branch from 21d0ee4 to 93a44e2 Compare April 14, 2026 13:07
@gfieni gfieni force-pushed the feat/json-database-compression branch from 93a44e2 to 24bfbce Compare April 16, 2026 12:39
@gfieni gfieni merged commit dd7740a into master Apr 16, 2026
11 checks passed
@gfieni gfieni deleted the feat/json-database-compression branch April 16, 2026 12:43
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