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-rw-r--r--Doc/library/packaging.util.rst9
-rw-r--r--Lib/packaging/tests/test_command_build_py.py9
-rw-r--r--Lib/packaging/tests/test_command_install_lib.py10
-rw-r--r--Lib/packaging/util.py8
-rw-r--r--Misc/NEWS2
5 files changed, 26 insertions, 12 deletions
diff --git a/Doc/library/packaging.util.rst b/Doc/library/packaging.util.rst
index 019f3e9..ae96d87 100644
--- a/Doc/library/packaging.util.rst
+++ b/Doc/library/packaging.util.rst
@@ -121,9 +121,12 @@ This module contains various helpers for the other modules.
.. function:: byte_compile(py_files[, optimize=0, force=0, prefix=None, base_dir=None, verbose=1, dry_run=0, direct=None])
Byte-compile a collection of Python source files to either :file:`.pyc` or
- :file:`.pyo` files in the same directory. *py_files* is a list of files to
- compile; any files that don't end in :file:`.py` are silently skipped.
- *optimize* must be one of the following:
+ :file:`.pyo` files in a :file:`__pycache__` subdirectory (see :pep:`3147`),
+ or to the same directory when using the distutils2 backport on Python
+ versions older than 3.2.
+
+ *py_files* is a list of files to compile; any files that don't end in
+ :file:`.py` are silently skipped. *optimize* must be one of the following:
* ``0`` - don't optimize (generate :file:`.pyc`)
* ``1`` - normal optimization (like ``python -O``)
diff --git a/Lib/packaging/tests/test_command_build_py.py b/Lib/packaging/tests/test_command_build_py.py
index 4eeb34e..a978c91 100644
--- a/Lib/packaging/tests/test_command_build_py.py
+++ b/Lib/packaging/tests/test_command_build_py.py
@@ -2,6 +2,7 @@
import os
import sys
+import imp
from packaging.command.build_py import build_py
from packaging.dist import Distribution
@@ -58,13 +59,15 @@ class BuildPyTestCase(support.TempdirManager,
self.assertEqual(len(cmd.get_outputs()), 3)
pkgdest = os.path.join(destination, "pkg")
files = os.listdir(pkgdest)
+ pycache_dir = os.path.join(pkgdest, "__pycache__")
self.assertIn("__init__.py", files)
self.assertIn("README.txt", files)
- # XXX even with -O, distutils writes pyc, not pyo; bug?
if sys.dont_write_bytecode:
- self.assertNotIn("__init__.pyc", files)
+ self.assertFalse(os.path.exists(pycache_dir))
else:
- self.assertIn("__init__.pyc", files)
+ # XXX even with -O, packaging writes pyc, not pyo; bug?
+ pyc_files = os.listdir(pycache_dir)
+ self.assertIn("__init__.%s.pyc" % imp.get_tag(), pyc_files)
def test_empty_package_dir(self):
# See SF 1668596/1720897.
diff --git a/Lib/packaging/tests/test_command_install_lib.py b/Lib/packaging/tests/test_command_install_lib.py
index 9118e68..3f36822 100644
--- a/Lib/packaging/tests/test_command_install_lib.py
+++ b/Lib/packaging/tests/test_command_install_lib.py
@@ -1,6 +1,7 @@
"""Tests for packaging.command.install_data."""
-import sys
import os
+import sys
+import imp
from packaging.tests import unittest, support
from packaging.command.install_lib import install_lib
@@ -36,6 +37,7 @@ class InstallLibTestCase(support.TempdirManager,
@unittest.skipIf(sys.dont_write_bytecode, 'byte-compile disabled')
def test_byte_compile(self):
pkg_dir, dist = self.create_dist()
+ os.chdir(pkg_dir)
cmd = install_lib(dist)
cmd.compile = True
cmd.optimize = 1
@@ -43,8 +45,10 @@ class InstallLibTestCase(support.TempdirManager,
f = os.path.join(pkg_dir, 'foo.py')
self.write_file(f, '# python file')
cmd.byte_compile([f])
- self.assertTrue(os.path.exists(os.path.join(pkg_dir, 'foo.pyc')))
- self.assertTrue(os.path.exists(os.path.join(pkg_dir, 'foo.pyo')))
+ pyc_file = imp.cache_from_source('foo.py')
+ pyo_file = imp.cache_from_source('foo.py', debug_override=False)
+ self.assertTrue(os.path.exists(pyc_file))
+ self.assertTrue(os.path.exists(pyo_file))
def test_get_outputs(self):
pkg_dir, dist = self.create_dist()
diff --git a/Lib/packaging/util.py b/Lib/packaging/util.py
index 89f5389..f8a8058 100644
--- a/Lib/packaging/util.py
+++ b/Lib/packaging/util.py
@@ -3,6 +3,7 @@
import os
import re
import csv
+import imp
import sys
import errno
import shutil
@@ -296,7 +297,7 @@ def strtobool(val):
def byte_compile(py_files, optimize=0, force=False, prefix=None,
base_dir=None, verbose=0, dry_run=False, direct=None):
"""Byte-compile a collection of Python source files to either .pyc
- or .pyo files in the same directory.
+ or .pyo files in a __pycache__ subdirectory.
'py_files' is a list of files to compile; any files that don't end in
".py" are silently skipped. 'optimize' must be one of the following:
@@ -415,7 +416,10 @@ byte_compile(files, optimize=%r, force=%r,
# Terminology from the py_compile module:
# cfile - byte-compiled file
# dfile - purported source filename (same as 'file' by default)
- cfile = file + (__debug__ and "c" or "o")
+ if optimize >= 0:
+ cfile = imp.cache_from_source(file, debug_override=not optimize)
+ else:
+ cfile = imp.cache_from_source(file)
dfile = file
if prefix:
if file[:len(prefix)] != prefix:
diff --git a/Misc/NEWS b/Misc/NEWS
index f185b41..953671b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -304,7 +304,7 @@ Library
- Fix distutils.sysconfig.get_makefile_filename when Python was configured with
different prefix and exec-prefix.
-- Issue #11254: Teach distutils to compile .pyc and .pyo files in
+- Issue #11254: Teach distutils and packaging to compile .pyc and .pyo files in
PEP 3147-compliant __pycache__ directories.
- Issue #7367: Fix pkgutil.walk_paths to skip directories whose