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#13605 closed defect (fixed)

2 test failures with Python 3.11 on Windows (part of #13402)

Reported by:	Jun Omae	Owned by:	Jun Omae
Priority:	normal	Milestone:	1.6
Component:	database backend	Version:
Severity:	normal	Keywords:
Cc:		Branch:
Release Notes:
API Changes:
Internal Changes:

Description

I got 2 failures with Python 3.11 on Windows.

Python: /c/Users/runneradmin/AppData/Local/venv/Scripts/python 

  Package        Version
  -----------------------------------------------------------------------------------------------
  Python       : 3.11.1 (tags/v3.11.1:a7a450f, Dec  6 2022, 19:58:39) [MSC v.1934 64 bit (AMD64)]
  Setuptools   : 65.6.3
  Pip          : 22.3.1
  Wheel        : not installed
  Jinja2       : 3.1.2
  Babel        : not installed
  sqlite3      : 2.6.0 (3.39.4)
  PySqlite3    : not installed
  PyMySQL      : not installed
  Psycopg2     : not installed
  SVN bindings : not installed
  Mercurial    : not installed
  Pygments     : not installed
  Textile      : not installed
  Pytz         : not installed
  Docutils     : not installed
  Selenium     : 4.7.2
  PyTidyLib    : 0.3.2 (5.9.14 C:\Users\runneradmin\AppData\Local\venv\Scripts\tidy.dll)
  LXML         : not installed
  coverage     : not installed

Variables:
  PATH=/mingw64/bin:/usr/bin:/c/Users/runneradmin/bin:/c/Users/runneradmin/AppData/Local/venv/Scripts:/c/Users/runneradmin/AppData/Local/venv/Scripts/Scripts:/c/Users/runneradmin/AppData/Local/venv/Scripts:/c/Program Files/PowerShell/7:/c/Users/runneradmin/AppData/Roaming/Python/Python311/Scripts:/c/hostedtoolcache/windows/Python/3.11.1/x64/Scripts:/c/hostedtoolcache/windows/Python/3.11.1/x64:/c/Program Files/MongoDB/Server/5.0/bin:/c/aliyun-cli:/c/vcpkg:/c/Program Files (x86)/NSIS:/c/tools/zstd:/c/Program Files/Mercurial:/c/hostedtoolcache/windows/stack/2.9.1/x64:/c/cabal/bin:/c/ghcup/bin:/c/tools/ghc-9.4.2/bin:/c/Program Files/dotnet:/c/mysql/bin:/c/Program Files/R/R-4.2.2/bin/x64:/c/SeleniumWebDrivers/GeckoDriver:/c/Program Files (x86)/sbt/bin:/c/Program Files (x86)/GitHub CLI:/bin:/c/Program Files (x86)/pipx_bin:/c/npm/prefix:/c/hostedtoolcache/windows/go/1.17.13/x64/bin:/c/hostedtoolcache/windows/Python/3.9.13/x64/Scripts:/c/hostedtoolcache/windows/Python/3.9.13/x64:/c/hostedtoolcache/windows/Ruby/3.0.5/x64/bin:/c/tools/kotlinc/bin:/c/hostedtoolcache/windows/Java_Temurin-Hotspot_jdk/8.0.352-8/x64/bin:/c/Program Files/ImageMagick-7.1.0-Q16-HDRI:/c/Program Files (x86)/Microsoft SDKs/Azure/CLI2/wbin:/c/ProgramData/kind:/c/Program Files/Microsoft/jdk-11.0.12.7-hotspot/bin:/c/Windows/system32:/c/Windows:/c/Windows/System32/Wbem:/c/Windows/System32/WindowsPowerShell/v1.0:/c/Windows/System32/OpenSSH:/c/Program Files/dotnet:/c/ProgramData/Chocolatey/bin:/c/Program Files/PowerShell/7:/c/Program Files/Microsoft/Web Platform Installer:/c/Program Files/Microsoft SQL Server/Client SDK/ODBC/170/Tools/Binn:/c/Program Files/Microsoft SQL Server/150/Tools/Binn:/c/Program Files/OpenSSL/bin:/c/Strawberry/c/bin:/c/Strawberry/perl/site/bin:/c/Strawberry/perl/bin:/c/ProgramData/chocolatey/lib/pulumi/tools/Pulumi/bin:/c/Program Files/TortoiseSVN/bin:/c/Program Files/CMake/bin:/c/ProgramData/chocolatey/lib/maven/apache-maven-3.8.6/bin:/c/Program Files/Microsoft Service Fabric/bin/Fabric/Fabric.Code:/c/Program Files/Microsoft SDKs/Service Fabric/Tools/ServiceFabricLocalClusterManager:/c/Program Files/nodejs:/cmd:/mingw64/bin:/usr/bin:/c/Program Files/GitHub CLI:/c/tools/php:/c/Program Files (x86)/sbt/bin:/c/SeleniumWebDrivers/ChromeDriver:/c/SeleniumWebDrivers/EdgeDriver:/c/Program Files/Amazon/AWSCLIV2:/c/Program Files/Amazon/SessionManagerPlugin/bin:/c/Program Files/Amazon/AWSSAMCLI/bin:/c/Program Files/Microsoft SQL Server/130/Tools/Binn:/c/Program Files/LLVM/bin:/c/Users/runneradmin/.dotnet/tools:/c/Users/runneradmin/.cargo/bin:/c/Users/runneradmin/AppData/Local/Microsoft/WindowsApps
  PYTHONPATH=.
  TRAC_TEST_DB_URI=
  server-options= -p 8000  -r -e 

External dependencies:
  Git version: git version 2.39.0.windows.1
  Subversion version: 1.14.2

...

======================================================================
ERROR: test_database_version (trac.tests.env.EnvironmentWithoutDataTestCase.test_database_version)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 620, in _rmtree_unsafe
    os.unlink(fullname)
PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'c:\\users\\runneradmin\\appdata\\local\\temp\\trac-testdir-uqx7slhr\\db\\trac.db'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "D:\a\trac\trac\trac\tests\env.py", line 47, in tearDown
    rmtree(self.env.path)
  File "D:\a\trac\trac\trac\test.py", line 549, in rmtree
    shutil.rmtree(path, onerror=onerror)
  File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 759, in rmtree
    return _rmtree_unsafe(path, onerror)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 617, in _rmtree_unsafe
    _rmtree_unsafe(fullname, onerror)
  File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 622, in _rmtree_unsafe
    onerror(os.unlink, fullname, sys.exc_info())
  File "D:\a\trac\trac\trac\test.py", line 544, in onerror
    onerror(function, path, excinfo, retry + 1)
  File "D:\a\trac\trac\trac\test.py", line 544, in onerror
    onerror(function, path, excinfo, retry + 1)
  File "D:\a\trac\trac\trac\test.py", line 544, in onerror
    onerror(function, path, excinfo, retry + 1)
  [Previous line repeated 7 more times]
  File "D:\a\trac\trac\trac\test.py", line 536, in onerror
    function(path)
PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'c:\\users\\runneradmin\\appdata\\local\\temp\\trac-testdir-uqx7slhr\\db\\trac.db'

======================================================================
ERROR: test_invalid_log_type_raises_exception (trac.tests.env.EnvironmentTestCase.test_invalid_log_type_raises_exception)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 620, in _rmtree_unsafe
    os.unlink(fullname)
PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'c:\\users\\runneradmin\\appdata\\local\\temp\\trac-testdir-1imzguf5\\db\\trac.db'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "D:\a\trac\trac\trac\tests\env.py", line 106, in tearDown
    rmtree(self.env.path)
  File "D:\a\trac\trac\trac\test.py", line 549, in rmtree
    shutil.rmtree(path, onerror=onerror)
  File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 759, in rmtree
    return _rmtree_unsafe(path, onerror)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 617, in _rmtree_unsafe
    _rmtree_unsafe(fullname, onerror)
  File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 622, in _rmtree_unsafe
    onerror(os.unlink, fullname, sys.exc_info())
  File "D:\a\trac\trac\trac\test.py", line 544, in onerror
    onerror(function, path, excinfo, retry + 1)
  File "D:\a\trac\trac\trac\test.py", line 544, in onerror
    onerror(function, path, excinfo, retry + 1)
  File "D:\a\trac\trac\trac\test.py", line 544, in onerror
    onerror(function, path, excinfo, retry + 1)
  [Previous line repeated 7 more times]
  File "D:\a\trac\trac\trac\test.py", line 536, in onerror
    function(path)
PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'c:\\users\\runneradmin\\appdata\\local\\temp\\trac-testdir-1imzguf5\\db\\trac.db'

----------------------------------------------------------------------
Ran 2465 tests in 261.398s

FAILED (errors=2, skipped=9)

Attachments (0)

Change History (3)

comment:1 by Jun Omae, 19 months ago

Owner:	set to Jun Omae
Status:	new → assigned

I noticed that, in Python 3.11, removing SQLite database file fails if I destroy a sqlite3.Connection instance without calling close. In Python 3.10, the removing is successful.

Python 3.11.3 (tags/v3.11.3:f3909b8, Apr  4 2023, 23:49:59) [MSC v.1934 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import sqlite3, os, gc
>>> conn = sqlite3.connect('C:/usr/tmp/test.db')
>>> os.unlink('C:/usr/tmp/test.db')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'C:/usr/tmp/test.db'
>>> del conn
>>> os.unlink('C:/usr/tmp/test.db')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'C:/usr/tmp/test.db'
>>> gc.collect()
327
>>> os.unlink('C:/usr/tmp/test.db')
>>>
>>>
>>> conn = sqlite3.connect('C:/usr/tmp/test.db')
>>> os.unlink('C:/usr/tmp/test.db')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'C:/usr/tmp/test.db'
>>> conn.close()
>>> os.unlink('C:/usr/tmp/test.db')
>>>

Python 3.10.0 (tags/v3.10.0:b494f59, Oct  4 2021, 19:00:18) [MSC v.1929 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import sqlite3, os, gc
>>> conn = sqlite3.connect('C:/usr/tmp/test.db')
>>> os.unlink('C:/usr/tmp/test.db')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'C:/usr/tmp/test.db'
>>> del conn
>>> os.unlink('C:/usr/tmp/test.db')
>>>

Proposed changes:

trac/db/sqlite_backend.py

diff --git a/trac/db/sqlite_backend.py b/trac/db/sqlite_backend.py
index aa3194dd3..dc0bf4ca9 100644

                class SQLiteConnector(Component):
             # this direct connect will create the database if needed
             cnx = sqlite.connect(path, isolation_level=None,
                                  timeout=int(params.get('timeout', 10000)))
+            with closing(cnx.cursor()) as cursor:
+                _set_journal_mode(cursor, params.get('journal_mode'))
+                set_synchronous(cursor, params.get('synchronous'))
+                insert_schema(cursor, schema)
+            cnx.isolation_level = 'DEFERRED'
+            try:
+                with closing(cnx.cursor()) as cursor:
+                    _set_journal_mode(cursor, params.get('journal_mode'))
+                    set_synchronous(cursor, params.get('synchronous'))
+                    insert_schema(cursor, schema)
+                cnx.isolation_level = 'DEFERRED'
+                cnx.commit()
+            finally:
+                cnx.close()
         else:
             cnx = self.get_connection(path, log, params)
             with closing(cnx.cursor()) as cursor:
                 insert_schema(cursor, schema)
         cnx.commit()
+            cnx.commit()
     def destroy_db(self, path, log=None, params={}):
         if path != ':memory:':

comment:2 by Jun Omae, 19 months ago

Resolution:	→ fixed
Status:	assigned → closed

Fixed in [17704].

comment:3 by Jun Omae, 19 months ago

Python 3.10 on Windows in build workflow is still used…. Replaced it with Python 3.11 in [17705].

Modify Ticket

Change Properties

Summary:
Description:	I got 2 failures with Python 3.11 on Windows. {{{ Python: /c/Users/runneradmin/AppData/Local/venv/Scripts/python Package Version ----------------------------------------------------------------------------------------------- Python : 3.11.1 (tags/v3.11.1:a7a450f, Dec 6 2022, 19:58:39) [MSC v.1934 64 bit (AMD64)] Setuptools : 65.6.3 Pip : 22.3.1 Wheel : not installed Jinja2 : 3.1.2 Babel : not installed sqlite3 : 2.6.0 (3.39.4) PySqlite3 : not installed PyMySQL : not installed Psycopg2 : not installed SVN bindings : not installed Mercurial : not installed Pygments : not installed Textile : not installed Pytz : not installed Docutils : not installed Selenium : 4.7.2 PyTidyLib : 0.3.2 (5.9.14 C:\Users\runneradmin\AppData\Local\venv\Scripts\tidy.dll) LXML : not installed coverage : not installed Variables: PATH=/mingw64/bin:/usr/bin:/c/Users/runneradmin/bin:/c/Users/runneradmin/AppData/Local/venv/Scripts:/c/Users/runneradmin/AppData/Local/venv/Scripts/Scripts:/c/Users/runneradmin/AppData/Local/venv/Scripts:/c/Program Files/PowerShell/7:/c/Users/runneradmin/AppData/Roaming/Python/Python311/Scripts:/c/hostedtoolcache/windows/Python/3.11.1/x64/Scripts:/c/hostedtoolcache/windows/Python/3.11.1/x64:/c/Program Files/MongoDB/Server/5.0/bin:/c/aliyun-cli:/c/vcpkg:/c/Program Files (x86)/NSIS:/c/tools/zstd:/c/Program Files/Mercurial:/c/hostedtoolcache/windows/stack/2.9.1/x64:/c/cabal/bin:/c/ghcup/bin:/c/tools/ghc-9.4.2/bin:/c/Program Files/dotnet:/c/mysql/bin:/c/Program Files/R/R-4.2.2/bin/x64:/c/SeleniumWebDrivers/GeckoDriver:/c/Program Files (x86)/sbt/bin:/c/Program Files (x86)/GitHub CLI:/bin:/c/Program Files (x86)/pipx_bin:/c/npm/prefix:/c/hostedtoolcache/windows/go/1.17.13/x64/bin:/c/hostedtoolcache/windows/Python/3.9.13/x64/Scripts:/c/hostedtoolcache/windows/Python/3.9.13/x64:/c/hostedtoolcache/windows/Ruby/3.0.5/x64/bin:/c/tools/kotlinc/bin:/c/hostedtoolcache/windows/Java_Temurin-Hotspot_jdk/8.0.352-8/x64/bin:/c/Program Files/ImageMagick-7.1.0-Q16-HDRI:/c/Program Files (x86)/Microsoft SDKs/Azure/CLI2/wbin:/c/ProgramData/kind:/c/Program Files/Microsoft/jdk-11.0.12.7-hotspot/bin:/c/Windows/system32:/c/Windows:/c/Windows/System32/Wbem:/c/Windows/System32/WindowsPowerShell/v1.0:/c/Windows/System32/OpenSSH:/c/Program Files/dotnet:/c/ProgramData/Chocolatey/bin:/c/Program Files/PowerShell/7:/c/Program Files/Microsoft/Web Platform Installer:/c/Program Files/Microsoft SQL Server/Client SDK/ODBC/170/Tools/Binn:/c/Program Files/Microsoft SQL Server/150/Tools/Binn:/c/Program Files/OpenSSL/bin:/c/Strawberry/c/bin:/c/Strawberry/perl/site/bin:/c/Strawberry/perl/bin:/c/ProgramData/chocolatey/lib/pulumi/tools/Pulumi/bin:/c/Program Files/TortoiseSVN/bin:/c/Program Files/CMake/bin:/c/ProgramData/chocolatey/lib/maven/apache-maven-3.8.6/bin:/c/Program Files/Microsoft Service Fabric/bin/Fabric/Fabric.Code:/c/Program Files/Microsoft SDKs/Service Fabric/Tools/ServiceFabricLocalClusterManager:/c/Program Files/nodejs:/cmd:/mingw64/bin:/usr/bin:/c/Program Files/GitHub CLI:/c/tools/php:/c/Program Files (x86)/sbt/bin:/c/SeleniumWebDrivers/ChromeDriver:/c/SeleniumWebDrivers/EdgeDriver:/c/Program Files/Amazon/AWSCLIV2:/c/Program Files/Amazon/SessionManagerPlugin/bin:/c/Program Files/Amazon/AWSSAMCLI/bin:/c/Program Files/Microsoft SQL Server/130/Tools/Binn:/c/Program Files/LLVM/bin:/c/Users/runneradmin/.dotnet/tools:/c/Users/runneradmin/.cargo/bin:/c/Users/runneradmin/AppData/Local/Microsoft/WindowsApps PYTHONPATH=. TRAC_TEST_DB_URI= server-options= -p 8000 -r -e External dependencies: Git version: git version 2.39.0.windows.1 Subversion version: 1.14.2 ... ====================================================================== ERROR: test_database_version (trac.tests.env.EnvironmentWithoutDataTestCase.test_database_version) ---------------------------------------------------------------------- Traceback (most recent call last): File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 620, in _rmtree_unsafe os.unlink(fullname) PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'c:\\users\\runneradmin\\appdata\\local\\temp\\trac-testdir-uqx7slhr\\db\\trac.db' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "D:\a\trac\trac\trac\tests\env.py", line 47, in tearDown rmtree(self.env.path) File "D:\a\trac\trac\trac\test.py", line 549, in rmtree shutil.rmtree(path, onerror=onerror) File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 759, in rmtree return _rmtree_unsafe(path, onerror) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 617, in _rmtree_unsafe _rmtree_unsafe(fullname, onerror) File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 622, in _rmtree_unsafe onerror(os.unlink, fullname, sys.exc_info()) File "D:\a\trac\trac\trac\test.py", line 544, in onerror onerror(function, path, excinfo, retry + 1) File "D:\a\trac\trac\trac\test.py", line 544, in onerror onerror(function, path, excinfo, retry + 1) File "D:\a\trac\trac\trac\test.py", line 544, in onerror onerror(function, path, excinfo, retry + 1) [Previous line repeated 7 more times] File "D:\a\trac\trac\trac\test.py", line 536, in onerror function(path) PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'c:\\users\\runneradmin\\appdata\\local\\temp\\trac-testdir-uqx7slhr\\db\\trac.db' ====================================================================== ERROR: test_invalid_log_type_raises_exception (trac.tests.env.EnvironmentTestCase.test_invalid_log_type_raises_exception) ---------------------------------------------------------------------- Traceback (most recent call last): File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 620, in _rmtree_unsafe os.unlink(fullname) PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'c:\\users\\runneradmin\\appdata\\local\\temp\\trac-testdir-1imzguf5\\db\\trac.db' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "D:\a\trac\trac\trac\tests\env.py", line 106, in tearDown rmtree(self.env.path) File "D:\a\trac\trac\trac\test.py", line 549, in rmtree shutil.rmtree(path, onerror=onerror) File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 759, in rmtree return _rmtree_unsafe(path, onerror) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 617, in _rmtree_unsafe _rmtree_unsafe(fullname, onerror) File "C:\hostedtoolcache\windows\Python\3.11.1\x64\Lib\shutil.py", line 622, in _rmtree_unsafe onerror(os.unlink, fullname, sys.exc_info()) File "D:\a\trac\trac\trac\test.py", line 544, in onerror onerror(function, path, excinfo, retry + 1) File "D:\a\trac\trac\trac\test.py", line 544, in onerror onerror(function, path, excinfo, retry + 1) File "D:\a\trac\trac\trac\test.py", line 544, in onerror onerror(function, path, excinfo, retry + 1) [Previous line repeated 7 more times] File "D:\a\trac\trac\trac\test.py", line 536, in onerror function(path) PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'c:\\users\\runneradmin\\appdata\\local\\temp\\trac-testdir-1imzguf5\\db\\trac.db' ---------------------------------------------------------------------- Ran 2465 tests in 261.398s FAILED (errors=2, skipped=9) }}} You may use WikiFormatting here.
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Keywords:		Cc:	Set your email in Preferences
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Release Notes:
API Changes:
Internal Changes:

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