Java Samples - Tutorials, articles and code samples |  |
- UnboundLocalError in python
- How to force rereading of a changed module in python
- How to find the current module name in python
| Posted: 09 Apr 2020 09:00 AM PDT  |
| Posted: 09 Apr 2020 09:00 AM PDT  |
| Posted: 06 Apr 2012 09:00 AM PDT It can be a surprise to get the UnboundLocalError in previously working code when it is modified by adding an assignment statement somewhere in the body of a function.  |
| How to force rereading of a changed module in python Posted: 06 Apr 2012 09:00 AM PDT For reasons of efficiency as well as consistency, Python only reads the module file on the first time a module is imported. If it didn’t, in a program consisting of many modules where each one imports the same basic module, the basic module would be parsed and re-parsed many times. To force rereading of a changed module, do this  |
| How to find the current module name in python Posted: 06 Apr 2012 09:00 AM PDT module can find out its own module name by looking at the predefined global variable __name__. If this has the value '__main__', the program is running as a script. Many modules that are usually used by importing them also provide a command-line interface or a self-test, and only execute this code after checking __name__:  |
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