MSVSphere Packaging Team
1 day ago
parent
4622b3be20
commit
20cdff6ba9
GPG Key ID:
B2B0B9F29E528FE8
@ -0,0 +1,293 @@
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From 9f8d3a48361db210f246b7409490b6d13ee40ae1 Mon Sep 17 00:00:00 2001
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From: Victor Stinner <vstinner@python.org>
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Date: Thu, 31 Oct 2024 19:09:20 +0100
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Subject: [PATCH] gh-124651: Quote template strings in `venv` activation
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scripts (GH-124712) (GH-126185)
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(cherry picked from commit d48cc82ed25e26b02eb97c6263d95dcaa1e9111b)
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---
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Lib/test/test_venv.py | 81 +++++++++++++++++++
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Lib/venv/__init__.py | 42 ++++++++--
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Lib/venv/scripts/common/activate | 10 +--
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Lib/venv/scripts/posix/activate.csh | 8 +-
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Lib/venv/scripts/posix/activate.fish | 8 +-
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...-09-28-02-03-04.gh-issue-124651.bLBGtH.rst | 1 +
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6 files changed, 132 insertions(+), 18 deletions(-)
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create mode 100644 Misc/NEWS.d/next/Library/2024-09-28-02-03-04.gh-issue-124651.bLBGtH.rst
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diff --git a/Lib/test/test_venv.py b/Lib/test/test_venv.py
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index feaf978..8926014 100644
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--- a/Lib/test/test_venv.py
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+++ b/Lib/test/test_venv.py
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@@ -17,6 +17,7 @@ import subprocess
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import sys
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import sysconfig
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import tempfile
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+import shlex
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from test.support import (captured_stdout, captured_stderr,
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skip_if_broken_multiprocessing_synchronize, verbose,
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requires_subprocess, is_emscripten, is_wasi,
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@@ -97,6 +98,10 @@ class BaseTest(unittest.TestCase):
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result = f.read()
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return result
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+ def assertEndsWith(self, string, tail):
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+ if not string.endswith(tail):
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+ self.fail(f"String {string!r} does not end with {tail!r}")
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+
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class BasicTest(BaseTest):
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"""Test venv module functionality."""
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@@ -446,6 +451,82 @@ class BasicTest(BaseTest):
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'import sys; print(sys.executable)'])
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self.assertEqual(out.strip(), envpy.encode())
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+ # gh-124651: test quoted strings
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+ @unittest.skipIf(os.name == 'nt', 'contains invalid characters on Windows')
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+ def test_special_chars_bash(self):
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+ """
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+ Test that the template strings are quoted properly (bash)
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+ """
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+ rmtree(self.env_dir)
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+ bash = shutil.which('bash')
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+ if bash is None:
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+ self.skipTest('bash required for this test')
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+ env_name = '"\';&&$e|\'"'
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+ env_dir = os.path.join(os.path.realpath(self.env_dir), env_name)
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+ builder = venv.EnvBuilder(clear=True)
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+ builder.create(env_dir)
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+ activate = os.path.join(env_dir, self.bindir, 'activate')
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+ test_script = os.path.join(self.env_dir, 'test_special_chars.sh')
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+ with open(test_script, "w") as f:
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+ f.write(f'source {shlex.quote(activate)}\n'
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+ 'python -c \'import sys; print(sys.executable)\'\n'
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+ 'python -c \'import os; print(os.environ["VIRTUAL_ENV"])\'\n'
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+ 'deactivate\n')
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+ out, err = check_output([bash, test_script])
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+ lines = out.splitlines()
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+ self.assertTrue(env_name.encode() in lines[0])
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+ self.assertEndsWith(lines[1], env_name.encode())
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+
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+ # gh-124651: test quoted strings
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+ @unittest.skipIf(os.name == 'nt', 'contains invalid characters on Windows')
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+ def test_special_chars_csh(self):
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+ """
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+ Test that the template strings are quoted properly (csh)
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+ """
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+ rmtree(self.env_dir)
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+ csh = shutil.which('tcsh') or shutil.which('csh')
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+ if csh is None:
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+ self.skipTest('csh required for this test')
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+ env_name = '"\';&&$e|\'"'
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+ env_dir = os.path.join(os.path.realpath(self.env_dir), env_name)
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+ builder = venv.EnvBuilder(clear=True)
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+ builder.create(env_dir)
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+ activate = os.path.join(env_dir, self.bindir, 'activate.csh')
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+ test_script = os.path.join(self.env_dir, 'test_special_chars.csh')
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+ with open(test_script, "w") as f:
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+ f.write(f'source {shlex.quote(activate)}\n'
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+ 'python -c \'import sys; print(sys.executable)\'\n'
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+ 'python -c \'import os; print(os.environ["VIRTUAL_ENV"])\'\n'
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+ 'deactivate\n')
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+ out, err = check_output([csh, test_script])
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+ lines = out.splitlines()
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+ self.assertTrue(env_name.encode() in lines[0])
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+ self.assertEndsWith(lines[1], env_name.encode())
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+
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+ # gh-124651: test quoted strings on Windows
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+ @unittest.skipUnless(os.name == 'nt', 'only relevant on Windows')
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+ def test_special_chars_windows(self):
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+ """
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+ Test that the template strings are quoted properly on Windows
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+ """
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+ rmtree(self.env_dir)
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+ env_name = "'&&^$e"
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+ env_dir = os.path.join(os.path.realpath(self.env_dir), env_name)
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+ builder = venv.EnvBuilder(clear=True)
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+ builder.create(env_dir)
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+ activate = os.path.join(env_dir, self.bindir, 'activate.bat')
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+ test_batch = os.path.join(self.env_dir, 'test_special_chars.bat')
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+ with open(test_batch, "w") as f:
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+ f.write('@echo off\n'
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+ f'"{activate}" & '
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+ f'{self.exe} -c "import sys; print(sys.executable)" & '
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+ f'{self.exe} -c "import os; print(os.environ[\'VIRTUAL_ENV\'])" & '
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+ 'deactivate')
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+ out, err = check_output([test_batch])
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+ lines = out.splitlines()
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+ self.assertTrue(env_name.encode() in lines[0])
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+ self.assertEndsWith(lines[1], env_name.encode())
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+
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@unittest.skipUnless(os.name == 'nt', 'only relevant on Windows')
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def test_unicode_in_batch_file(self):
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"""
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diff --git a/Lib/venv/__init__.py b/Lib/venv/__init__.py
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index d5dec4a..aeb522c 100644
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--- a/Lib/venv/__init__.py
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+++ b/Lib/venv/__init__.py
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@@ -11,6 +11,7 @@ import subprocess
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import sys
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import sysconfig
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import types
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+import shlex
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CORE_VENV_DEPS = ('pip',)
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@@ -422,11 +423,41 @@ class EnvBuilder:
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:param context: The information for the environment creation request
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being processed.
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"""
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- text = text.replace('__VENV_DIR__', context.env_dir)
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- text = text.replace('__VENV_NAME__', context.env_name)
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- text = text.replace('__VENV_PROMPT__', context.prompt)
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- text = text.replace('__VENV_BIN_NAME__', context.bin_name)
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- text = text.replace('__VENV_PYTHON__', context.env_exe)
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+ replacements = {
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+ '__VENV_DIR__': context.env_dir,
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+ '__VENV_NAME__': context.env_name,
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+ '__VENV_PROMPT__': context.prompt,
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+ '__VENV_BIN_NAME__': context.bin_name,
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+ '__VENV_PYTHON__': context.env_exe,
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+ }
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+
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+ def quote_ps1(s):
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+ """
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+ This should satisfy PowerShell quoting rules [1], unless the quoted
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+ string is passed directly to Windows native commands [2].
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+ [1]: https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_quoting_rules
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+ [2]: https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_parsing#passing-arguments-that-contain-quote-characters
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+ """
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+ s = s.replace("'", "''")
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+ return f"'{s}'"
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+
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+ def quote_bat(s):
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+ return s
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+
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+ # gh-124651: need to quote the template strings properly
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+ quote = shlex.quote
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+ script_path = context.script_path
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+ if script_path.endswith('.ps1'):
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+ quote = quote_ps1
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+ elif script_path.endswith('.bat'):
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+ quote = quote_bat
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+ else:
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+ # fallbacks to POSIX shell compliant quote
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+ quote = shlex.quote
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+
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+ replacements = {key: quote(s) for key, s in replacements.items()}
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+ for key, quoted in replacements.items():
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+ text = text.replace(key, quoted)
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return text
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def install_scripts(self, context, path):
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@@ -466,6 +497,7 @@ class EnvBuilder:
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with open(srcfile, 'rb') as f:
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data = f.read()
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if not srcfile.endswith(('.exe', '.pdb')):
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+ context.script_path = srcfile
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try:
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data = data.decode('utf-8')
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data = self.replace_variables(data, context)
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diff --git a/Lib/venv/scripts/common/activate b/Lib/venv/scripts/common/activate
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index d5914e0..47602ca 100644
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--- a/Lib/venv/scripts/common/activate
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+++ b/Lib/venv/scripts/common/activate
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@@ -39,14 +39,14 @@ deactivate nondestructive
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if [ "${OSTYPE:-}" = "cygwin" ] || [ "${OSTYPE:-}" = "msys" ] ; then
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# transform D:\path\to\venv to /d/path/to/venv on MSYS
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# and to /cygdrive/d/path/to/venv on Cygwin
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- export VIRTUAL_ENV=$(cygpath "__VENV_DIR__")
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+ export VIRTUAL_ENV=$(cygpath __VENV_DIR__)
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else
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# use the path as-is
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- export VIRTUAL_ENV="__VENV_DIR__"
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+ export VIRTUAL_ENV=__VENV_DIR__
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fi
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_OLD_VIRTUAL_PATH="$PATH"
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-PATH="$VIRTUAL_ENV/__VENV_BIN_NAME__:$PATH"
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+PATH="$VIRTUAL_ENV/"__VENV_BIN_NAME__":$PATH"
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export PATH
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# unset PYTHONHOME if set
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@@ -59,9 +59,9 @@ fi
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if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
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_OLD_VIRTUAL_PS1="${PS1:-}"
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- PS1="__VENV_PROMPT__${PS1:-}"
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+ PS1=__VENV_PROMPT__"${PS1:-}"
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export PS1
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- VIRTUAL_ENV_PROMPT="__VENV_PROMPT__"
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+ VIRTUAL_ENV_PROMPT=__VENV_PROMPT__
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export VIRTUAL_ENV_PROMPT
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fi
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diff --git a/Lib/venv/scripts/posix/activate.csh b/Lib/venv/scripts/posix/activate.csh
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index 5e8d66f..08f7929 100644
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--- a/Lib/venv/scripts/posix/activate.csh
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+++ b/Lib/venv/scripts/posix/activate.csh
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@@ -9,17 +9,17 @@ alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PA
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# Unset irrelevant variables.
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deactivate nondestructive
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-setenv VIRTUAL_ENV "__VENV_DIR__"
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+setenv VIRTUAL_ENV __VENV_DIR__
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set _OLD_VIRTUAL_PATH="$PATH"
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-setenv PATH "$VIRTUAL_ENV/__VENV_BIN_NAME__:$PATH"
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+setenv PATH "$VIRTUAL_ENV/"__VENV_BIN_NAME__":$PATH"
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set _OLD_VIRTUAL_PROMPT="$prompt"
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if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then
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- set prompt = "__VENV_PROMPT__$prompt"
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- setenv VIRTUAL_ENV_PROMPT "__VENV_PROMPT__"
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+ set prompt = __VENV_PROMPT__"$prompt"
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+ setenv VIRTUAL_ENV_PROMPT __VENV_PROMPT__
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endif
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alias pydoc python -m pydoc
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diff --git a/Lib/venv/scripts/posix/activate.fish b/Lib/venv/scripts/posix/activate.fish
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index 91ad644..508cab0 100644
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--- a/Lib/venv/scripts/posix/activate.fish
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+++ b/Lib/venv/scripts/posix/activate.fish
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@@ -33,10 +33,10 @@ end
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# Unset irrelevant variables.
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deactivate nondestructive
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-set -gx VIRTUAL_ENV "__VENV_DIR__"
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+set -gx VIRTUAL_ENV __VENV_DIR__
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set -gx _OLD_VIRTUAL_PATH $PATH
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-set -gx PATH "$VIRTUAL_ENV/__VENV_BIN_NAME__" $PATH
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+set -gx PATH "$VIRTUAL_ENV/"__VENV_BIN_NAME__ $PATH
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# Unset PYTHONHOME if set.
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if set -q PYTHONHOME
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@@ -56,7 +56,7 @@ if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
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set -l old_status $status
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# Output the venv prompt; color taken from the blue of the Python logo.
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- printf "%s%s%s" (set_color 4B8BBE) "__VENV_PROMPT__" (set_color normal)
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+ printf "%s%s%s" (set_color 4B8BBE) __VENV_PROMPT__ (set_color normal)
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# Restore the return status of the previous command.
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echo "exit $old_status" | .
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@@ -65,5 +65,5 @@ if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
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|
end
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set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
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|
- set -gx VIRTUAL_ENV_PROMPT "__VENV_PROMPT__"
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|
+ set -gx VIRTUAL_ENV_PROMPT __VENV_PROMPT__
|
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|
end
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|
diff --git a/Misc/NEWS.d/next/Library/2024-09-28-02-03-04.gh-issue-124651.bLBGtH.rst b/Misc/NEWS.d/next/Library/2024-09-28-02-03-04.gh-issue-124651.bLBGtH.rst
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new file mode 100644
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index 0000000..17fc917
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--- /dev/null
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+++ b/Misc/NEWS.d/next/Library/2024-09-28-02-03-04.gh-issue-124651.bLBGtH.rst
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@@ -0,0 +1 @@
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+Properly quote template strings in :mod:`venv` activation scripts.
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--
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|
2.47.1
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|
|
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@ -0,0 +1,62 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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|
From: "Miss Islington (bot)"
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|
<31488909+miss-islington@users.noreply.github.com>
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|
Date: Fri, 6 Dec 2024 06:12:40 +0100
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|
Subject: [PATCH] 00445: CVE-2024-12254: Ensure
|
||||||
|
_SelectorSocketTransport.writelines pauses the protocol if needed
|
||||||
|
|
||||||
|
Ensure _SelectorSocketTransport.writelines pauses the protocol if it reaches the high water mark as needed.
|
||||||
|
|
||||||
|
Resolved upstream: https://github.com/python/cpython/issues/127655
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|
|
||||||
|
Co-authored-by: J. Nick Koston <nick@koston.org>
|
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|
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
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|
---
|
||||||
|
Lib/asyncio/selector_events.py | 1 +
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|
Lib/test/test_asyncio/test_selector_events.py | 12 ++++++++++++
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|
.../2024-12-05-21-35-19.gh-issue-127655.xpPoOf.rst | 1 +
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|
3 files changed, 14 insertions(+)
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|
create mode 100644 Misc/NEWS.d/next/Security/2024-12-05-21-35-19.gh-issue-127655.xpPoOf.rst
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|
|
||||||
|
diff --git a/Lib/asyncio/selector_events.py b/Lib/asyncio/selector_events.py
|
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|
index 790711f834..dd79ad18df 100644
|
||||||
|
--- a/Lib/asyncio/selector_events.py
|
||||||
|
+++ b/Lib/asyncio/selector_events.py
|
||||||
|
@@ -1183,6 +1183,7 @@ def writelines(self, list_of_data):
|
||||||
|
# If the entire buffer couldn't be written, register a write handler
|
||||||
|
if self._buffer:
|
||||||
|
self._loop._add_writer(self._sock_fd, self._write_ready)
|
||||||
|
+ self._maybe_pause_protocol()
|
||||||
|
|
||||||
|
def can_write_eof(self):
|
||||||
|
return True
|
||||||
|
diff --git a/Lib/test/test_asyncio/test_selector_events.py b/Lib/test/test_asyncio/test_selector_events.py
|
||||||
|
index 47693ea4d3..736c19796e 100644
|
||||||
|
--- a/Lib/test/test_asyncio/test_selector_events.py
|
||||||
|
+++ b/Lib/test/test_asyncio/test_selector_events.py
|
||||||
|
@@ -805,6 +805,18 @@ def test_writelines_send_partial(self):
|
||||||
|
self.assertTrue(self.sock.send.called)
|
||||||
|
self.assertTrue(self.loop.writers)
|
||||||
|
|
||||||
|
+ def test_writelines_pauses_protocol(self):
|
||||||
|
+ data = memoryview(b'data')
|
||||||
|
+ self.sock.send.return_value = 2
|
||||||
|
+ self.sock.send.fileno.return_value = 7
|
||||||
|
+
|
||||||
|
+ transport = self.socket_transport()
|
||||||
|
+ transport._high_water = 1
|
||||||
|
+ transport.writelines([data])
|
||||||
|
+ self.assertTrue(self.protocol.pause_writing.called)
|
||||||
|
+ self.assertTrue(self.sock.send.called)
|
||||||
|
+ self.assertTrue(self.loop.writers)
|
||||||
|
+
|
||||||
|
@unittest.skipUnless(selector_events._HAS_SENDMSG, 'no sendmsg')
|
||||||
|
def test_write_sendmsg_full(self):
|
||||||
|
data = memoryview(b'data')
|
||||||
|
diff --git a/Misc/NEWS.d/next/Security/2024-12-05-21-35-19.gh-issue-127655.xpPoOf.rst b/Misc/NEWS.d/next/Security/2024-12-05-21-35-19.gh-issue-127655.xpPoOf.rst
|
||||||
|
new file mode 100644
|
||||||
|
index 0000000000..76cfc58121
|
||||||
|
--- /dev/null
|
||||||
|
+++ b/Misc/NEWS.d/next/Security/2024-12-05-21-35-19.gh-issue-127655.xpPoOf.rst
|
||||||
|
@@ -0,0 +1 @@
|
||||||
|
+Fixed the :class:`!asyncio.selector_events._SelectorSocketTransport` transport not pausing writes for the protocol when the buffer reaches the high water mark when using :meth:`asyncio.WriteTransport.writelines`.
|
||||||
Loading…
Reference in new issue