Re: Assignment of global variables in a script.
Thomas Passin <[email protected]>
| Newsgroups | gmane.comp.python.general |
|---|---|
| Message-ID | <[email protected]> |
On 6/30/2025 11:53 PM, Popov, Dmitry Yu via Python-list wrote: > Dear Sirs. > > I found the following sentence in the Python documentation: "The statements executed by the top-level invocation of the interpreter, either read from a script file or interactively, are considered part of a module called __main__<https://docs.python.org/3.11/library/__main__.html#module-__main__>, so they have their own global namespace." > > In other words, global assignments of variables placed directly in a module's name space are also "statements executed by the top-level invocation of the interpreter", if the module is executed as a script. > > Is it stable at all to assign global variables directly in a module which runs as a script? Speaking practically, I have not observed any problem so far. "Global" in Python means name-spaced to its module. An assignment in a module, top-level or not, doesn't automatically become a global assignment in imported modules. > Regards, > Dmitry Popov >