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Python support: transpiled Python on every target, Python servers, Pillow and font-from-data - #6128

Merged

shai-almog merged 146 commits into

masterfrom

python-support

Nov 5, 2026

Merged

Python support: transpiled Python on every target, Python servers, Pillow and font-from-data#6128
shai-almog merged 146 commits into
masterfrom
python-support

Commits on Oct 27, 2026
- Python support: transpiler, runtime, stdlib and native benchmark gate
  
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- Python: Java interop, project import and build integration
  
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- Python: UI sample, project integration test and java.* against the device library
  
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- Python: site package root beside the stdlib
  
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- Python: requests and httpx over the platform HTTP client
  
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- Python: runtime generic aliases and unions, string annotations in get_type_hints
  
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- Python: PyYAML package
  
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- Python: attrs and dateutil packages
  
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- Python: pydantic package
  
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- Python: numpy subset over Java kernels, relative submodule imports, slice.indices
  
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- Python: evaluated call and lambda annotations, inspect, __code__, module __dict__
  
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- Python: native backend server through vm/backend's HttpServer
  
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- Python: typing_extensions, six, tomllib
  
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- Python: tabulate
  
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- Python: idna and packaging site packages
  
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- Python: Flask and FastAPI over a pure dispatch core
  
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- Python: co_flags marks generator, coroutine and async generator functions
  
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- Python: Flask sample, CPython/PyPy comparison and developer guide chapter
  
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- Python: runtime and transpiler at zero SpotBugs, PMD and Checkstyle findings
  
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- Python: typed math, slots classes, annotated locals and per-call-site helper returns
  
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- Python: GraalPy in every comparison, CommonWorkloads with RSS, performance chapter
  
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- Python: drop fully qualified Set in Infer (PMD)
  
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- Python: hold provably bounded ints in Java longs
  
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- Python: scalar-replace non-escaping objects, typed str loops, int % and //, lowered loop tests
  
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- Python: branch/loop-test int range refinement, threshold widening, typed builtins over BOT, dict clear/len intrinsics
  
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Commits on Oct 28, 2026
Commits on Oct 29, 2026
- PR review: CI paths for the hostfs shims and the core, version-free bench jars, Pillow kerning note
  
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- Guide name check reads Python sources too (starlette's TestClient is real)
  
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- python-bench: packages read, so the job can pull the CI container
  
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- Copyright headers: full header on three test files; drop the .py exclusion the gate rejects
  
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- Port status: TrueTypeFontFromDataTest belongs to text and image drawing
  
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- python-bench: install the transpiler's test dependencies before the JDK 17 step
  
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- Guide: prose flags, self-contained font snippets, server snippets marked no-try
  
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- CodeQL: bound sdist tar entry sizes, possessive import regex; archetype-smoke gets headroom
  
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- Backend SelfTest: verify-full, verify-ca and VERIFY_IDENTITY are implemented modes now
  
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- PMD is zero-findings now: python-transpiler's five findings fixed or marked
  
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- Android: loadTrueTypeFontFromData answers null for bytes that are not a font
  
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- Python: str case and classes from CPython's tables; native conformance in one binary
  
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- Merge remote-tracking branch 'origin/master' into python-support
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Commits on Oct 30, 2026
- Merge origin/master; zoneinfo keys from a table, iOS font-from-data match
  
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- Python benchmark: pin the jvm job to ubuntu-24.04, where CPython 3.13.9 exists
  
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- iOS font from data: accept Core Text's duplicated-name answer; parallel benchmark compile
  
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- CI: the native Python backend end to end runs in a job of its own
  
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- Row.getColumnType replaces TypedRow; the guide's Python compiles with the demos
  
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- System has a private constructor, so Java interop never generates new System()
  
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- Python: ints box inside the slow path, so small typed functions inline; gc module
  
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- Python: the regex machine runs in Java; positional calls fill defaults without binding
  
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- Python: one pair of regex stacks per search, not per start position
  
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Commits on Oct 31, 2026
- Python: calls of up to six arguments, keywords included, build no argument array
  
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- Python/VM: retired thread states are cheap and charged to the GC; small dicts scan
  
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- Compliance check merges longs by type; typed ** emits MathUtil.pow
  
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- Python/backend: cut per-request garbage in the Flask path instead of pinning the GC
  
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- Python docs: re-measure the Flask row after the allocation cuts
  
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- VM/backend: one settle cycle after a burst; servers grow the heap at 66% survival
  
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Commits on Nov 1, 2026
- VM/backend: the survival that grows the heap follows the collector's duty cycle
  
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- VM: a process with a budget keeps its heap tight; the pacing margin scales with a small budget
  
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- Python docs: show the collector's memory/speed trade, unconstrained and under a budget
  
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- VM: the collector's duty clock reads cn1MonotonicNanos, which exists on Windows
  
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- Merge master into python-support
  
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Commits on Nov 2, 2026
- VM: one process-wide pacing claim; drop the 64 MB comparison leg
  
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- Merge remote-tracking branch 'origin/master' into python-support
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- VM test: stub the budget query the virtual-thread runtime now calls; docs: Vale
  
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- Merge remote-tracking branch 'origin/master' into python-support
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- Docs: LanguageTool wording in the Python guide's collector trade-off
  
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- iOS: define cn1ReadSafeAreaInsets for every UIKit target
  
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Commits on Nov 4, 2026
- Merge remote-tracking branch 'origin/master' into python-support
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- Python docs: flag the app.run() Flask numbers, find the cause, compare fairly
  
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- Merge remote-tracking branch 'origin/master' into python-support
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- Copyright header on SpinnerNodeTest (from master); gunicorn in the guide's accept list
  
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- Perf baseline: Windows x64 model-106 translator row for this PR
  
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- Merge remote-tracking branch 'origin/master' into python-support
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- JavaSE verifier: wait out an unpainted multi-window screen before capture
  
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- ci: move two macOS-only contract jobs off pull requests
  
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Commits on Nov 5, 2026
- ci: size the Linux suite's swap to free disk; give the tvOS job 90 minutes
  
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Commits

Commits on Oct 27, 2026

Commits on Oct 28, 2026

Commits on Oct 29, 2026

Commits on Oct 30, 2026

Commits on Oct 31, 2026

Commits on Nov 1, 2026

Commits on Nov 2, 2026

Commits on Nov 4, 2026