The PEX packaging toolchain.
Project description
0.8.3
Performance improvement: Don’t always write packages to disk if they’ve already been cached. This can significantly speed up launching PEX files with a large number of non-zip-safe dependencies. RB #1642
0.8.2
Bug fix: Allow pex 0.8.x to parse pex files produced by earlier versions of pex and twitter.common.python.
Pin pex to setuptools prior to 9.x until we have a chance to make changes related to PEP440 and the change of pkg_resources.py to a package.
0.8.1
Bug fix: Fix issue where it’d be possible to os.path.getmtime on a remote Link object Issue #29
0.8.0
API change: Decouple translation from package iteration. This removes the Obtainer construct entirely, which likely means if you’re using PEX as a library, you will need to change your code if you were doing anything nontrivial. This adds a couple new options to resolve but simplifies the story around how to cache packages. RB #785
Refactor http handling in pex to allow for alternate http implementations. Adds support for requests, improving both performance and security. For more information, read the commit notes at 91c7f32. RB #778
Improvements to API documentation throughout.
Renamed Tracer to TraceLogger to prevent nondeterministic isort ordering.
Refactor tox.ini to increase the number of environment combinations and improve coverage.
Adds HTTP retry support for the RequestsContext. RB #1303
Make pex –version correct. Issue #19
Bug fix: Fix over-aggressive sys.modules scrubbing for namespace packages. Under certain circumstances, namespace packages in site-packages could conflict with packages within a PEX, causing them to fail importing. RB #1378
Bug fix: Replace uses of os.unsetenv(...) with del os.environ[...] Pull Request #11
Bug fix: Scrub sys.path and sys.modules based upon both supplied path and realpath of files and directories. Newer versions of virtualenv on Linux symlink site-packages which caused those packages to not be removed from sys.path correctly. Issue #21
Bug fix: The pex -s option was not correctly pulling in transitive dependencies. Issue #22
Bug fix: Adds content method to HTTP contexts that does HTML content decoding, fixing an encoding issue only experienced when using Python 3. Issue #10
0.7.0
Rename twitter.common.python to pex and split out from the twitter/commons repo.
0.6.0
Change the interpretation of -i (and of PyPIFetcher’s pypi_base) to match pip’s -i. This is useful for compatibility with devpi.
0.5.10
Ensures that .egg/.whl distributions on disk have their mtime updated even though we no longer overwrite them. This gives them a new time lease against their ttl.
Without this change, once a distribution aged past the ttl it would never be used again, and builds would re-create the same distributions in tmpdirs over and over again.
0.5.9
Fixes an issue where SourceTranslator would overwrite .egg/.whl distributions already on disk. Instead it should always check to see if a copy already exists and reuse if there.
This ordinarily should not be a problem but the zipimporter caches metadata by filename instead of stat/sha, so if the underlying contents changed a runtime error would be thrown due to seemingly corrupt zip file offsets. RB #684
0.5.8
Adds -i/--index option to the pex tool.
0.5.7
Adds twitter.common.python.pex_bootstrap bootstrap_pex_env function in order to initialize a PEX environment from within a python interpreter. (Patch contributed by @kwlzn)
Adds stdin=,stdout=,stderr= keyword parameters to the PEX.run function. (Patch from @benjy)
0.5.6
The crawler now defaults to not follow links for security reasons. (Before the default behavior was to implicitly --follow-links for all requirements.) RB #293
0.5.5
Improves scrubbing of site-packages from PEX environments. RB #289
0.5.1 - 0.5.4
0.5.0
0.4.3
Adds twitter.common.python.finders which are additional finders for setuptools including: - find eggs within a .zip - find wheels within a directory - find wheels within a .zip RB #86
Adds a new Package abstraction by refactoring Link into Link and Package. RB #92
Adds support for PEP425 tagging necessary for wheel support. RB #87
Improves python environment isolation by correctly scrubbing namespace packages injected into module __path__ attributes by nspkg pth files. RB #116
Adds twitter.common.python.resolver resolve method that handles transitive dependency resolution better. This means that if the requirement futures==2.1.2 and an unqualified futures>=2 is pulled in transitively, our resolver will correctly resolve futures 2.1.2 instead of reporting a VersionConflict if any version newer than 2.1.2 is available. RB #129
Factors all twitter.common.python test helpers into twitter.common.python.testing RB #91
Bug fix: Fix OrderedSet atexit exceptions RB #147
Bug fix: Fix cross-device symlinking (patch from @benjy)
Bug fix: Raise a RuntimeError if we fail to write pkg_resources into a .pex RB #115
0.4.2
Upgrade to setuptools>=1
0.4.1
twitter.common.python is no longer a namespace package
0.4.0
Kill the egg distiller. We now delegate .egg generation to bdist_egg. RB #55
0.3.1
Short-circuit resolving a distribution if a local exact match is found. RB #47
Correctly patch the global pkg_resources WorkingSet for the lifetime of the Python interpreter. RB #52
Fixes a performance regression in setuptools build_zipmanifest Setuptools Issue #154 RB #53
0.3.0
Plumb through the --zip-safe, --always-write-cache, --ignore-errors and --inherit-path flags to the pex tool.
Delete the unused PythonDirWrapper code.
Split PEXEnvironment resolution into twitter.common.python.environment and deconflate WorkingSet/Environment state.
Removes the monkeypatched zipimporter in favor of keeping all eggs unzipped within PEX files. Refactors the PEX dependency cache in util.py
Adds interpreter detection for Jython and PyPy.
Dependency translation errors should be made uniform. (Patch from @johnsirois)
Adds PEX_PROFILE_ENTRIES to limit the number of entries reported when PEX_PROFILE is enabled. (Patch from @rgs_)
Bug fix: Several fixes to error handling in twitter.common.python.http (From Marc Abramowitz)
Bug fix: PEX should not always assume that $PATH was available. (Patch from @jamesbroadhead)
Bug fix: Filename should be part of the .pex cache key or else multiple identical versions will incorrectly resolve (Patch from @tc)
Bug fix: Executed entry points shouldn’t be forced to run in an environment with __future__ imports enabled. (Patch from @lawson_patrick)
Bug fix: Detect versionless egg links and fail fast. (Patch from @johnsirois.)
Bug fix: Handle setuptools>=2.1 correctly in the zipimport monkeypatch (Patch from @johnsirois.)
0.2.3
Bug fix: Fix handling of Fetchers with file:// urls.
0.2.2
Adds the pex tool as a standalone tool.
0.2.1
Bug fix: Bootstrapped twitter.common.python should declare twitter.common as a namespace package.
0.2.0
Make twitter.common.python fully standalone by consolidating external dependencies within twitter.common.python.common.
0.1.0
Initial published version of twitter.common.python.
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