Python cx_freeze packaging tool to solve the problem ideas and solutions, pythoncx_freeze

Python cx_freeze packaging tool to solve the problem ideas and solutions, pythoncx_freeze

The following are the problems encountered during the use of cx_freeze and Their Solutions (Win7)

1. Problem description:Run exe and start countless main programs, making the system unusable

Cause: the multiprocessing package is used in the program.

Solution: after the main file if _ name _ = "_ main _":, add multiprocessing. freeze_support (). Be sure to add it at the beginning.

2. Problem description:After the command is run, the system. stdout. flush is abnormal in freeze_support.

Cause: the PyQT interface is used, and there is no console

Solution: Redirect stdout and stderr before calling multiprocessing. freeze_support () and add: sys. stdout = io. StringIO () and sys. stderr = io. StringIO ()

3. Use the shelve ModuleIDE debugging can be used normally and cannot be used after Packaging

Cause: the open function of shelve will be loaded into other database management modules during operation, so it does not know which additional packages are needed. Therefore, some necessary modules are missing during packaging.

Solution: Modify the packaging script and add the following content:

packages = []for dbmodule in ['dbhash', 'gdbm', 'dbm', 'dumbdbm']:try:__import__(dbmodule)except ImportError:passelse:# If we found the module, ensure it's copied to the build directory.packages.append(dbmodule)options = {'build_exe': {'includes': 'atexit',"packages": packages}}

4. An error occurred while using inspect. getsourcelines. OSError: cocould not get source code

Cause: After packaging, all the files are pyc files, and no source code exists, causing dynamic code acquisition failure.

Solution: pack the pyfile containing the required source code to the library.zip file. In the 'build _ exe 'parameter, add 'zip _ upload': ['path \ source. py']

I have shared with you the ideas and solutions of the Python cx_freeze packaging tool, and hope to help you.

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