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When running apip.pyz file with thepy.exe launcher (itself launched from a Rust program), the command fails with the error:
Unable to create process using 'C:\Users\Gustav\AppData\Local\Programs\Python\Python311\"py C:\Users\Gustav\.local\apps\pip.pyz --version': The system cannot find the file specified.Unfortunately, I haven't been able to isolate a fully reproducible test case so far. However, I have set$env:PYLAUNCHER_DEBUG=1 and the output of the failing command is
❯ pip --versionargv0: py.exeversion: 3.11.0b5# Read 4096 bytes from C:\Users\Gustav\.local\apps\pip.pyz to find shebang lineShebang: /usr/bin/env python# Reading from C:\Users\Gustav\AppData\Local\py.ini for commands/python# Did not find file C:\Users\Gustav\AppData\Local\py.ini# Reading from C:\WINDOWS\py.ini for commands/python# Did not find file C:\WINDOWS\py.ini# Treating shebang command 'python' as 'py'SearchInfo.originalCmdLine: "py.exe" C:\Users\Gustav\.local\apps\pip.pyz --versionSearchInfo.restOfCmdLine: C:\Users\Gustav\.local\apps\pip.pyz --versionSearchInfo.executablePath: (null)SearchInfo.scriptFile: C:\Users\Gustav\.local\apps\pip.pyzSearchInfo.executable: "pySearchInfo.executableArgs:SearchInfo.company: (null)SearchInfo.tag: (empty)SearchInfo.oldStyleTag: TrueSearchInfo.lowPriorityTag: FalseSearchInfo.exclude32Bit: FalseSearchInfo.only32Bit: FalseSearchInfo.allowDefaults: FalseSearchInfo.allowExecutableOverride: FalseSearchInfo.windowed: FalseSearchInfo.list: FalseSearchInfo.listPaths: FalseSearchInfo.help: False -V:3.11 C:\Users\Gustav\AppData\Local\Programs\Python\Python311\python.exe -V:3.10 C:\Users\Gustav\AppData\Local\Programs\Python\Python310\python.exe -V:3.9 C:\Users\Gustav\AppData\Local\Programs\Python\Python39\python.exe -V:3.8 C:\Users\Gustav\AppData\Local\Programs\Python\Python38\python.exeenv.company: PythonCoreenv.tag: 3.11# about to run: C:\Users\Gustav\AppData\Local\Programs\Python\Python311\"py C:\Users\Gustav\.local\apps\pip.pyz --versionUnable to create process using 'C:\Users\Gustav\AppData\Local\Programs\Python\Python311\"py C:\Users\Gustav\.local\apps\pip.pyz --version': The system cannot find the file specified.The key issue seems to be
SearchInfo.executable: "py(note the unbalanced quotes) which appears to be a result of incorrectly parsing the following:
SearchInfo.originalCmdLine: "py.exe" C:\Users\Gustav\.local\apps\pip.pyz --versionI can create the same debug output using the internal_winapi.CreateProcess function:
_winapi.CreateProcess("C:/Windows/py.exe", '"py.exe" -0', None, None, 0, 0, None, None, 0)So the problem appears to be when the command line passed toCreateProcess contains a double quoted but relative filename.
Your environment
- Python and launcher from 3.11.0b5.
- Operating system and architecture: Windows 11, 64-bit.
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