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Debug & logs

How to debug the code ?

How to understand what the expression caught, what rules worked ? for which rule was the modifier used ?

The library implements logging modes via an environment variable.

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FLEX_VALIDATOR_LOG=INFO cargo run
or 
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use std::env;
// ERROR, INFO, DEBUG, TRACE
env::set_var("FLEX_VALIDATOR_LOG", "INFO");
// some code

Info

If you call the init_logger_with_offset function to shift the time in the logs, the declaration of the environment variable through the code must be before the init_logger_with_offset functions are called.

Initialize logging before you start using library items

Info

Unlike other languages, reading environment variables is not supported in this library. Therefore, a call to init_logger() is required to enable logging.

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 init_logger(LogLevel.INFO);


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FLEX_VALIDATOR_LOG=INFO file.py
or 
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import os
# ERROR, INFO, DEBUG, TRACE
os.environ["FLEX_VALIDATOR_LOG"] = "INFO"
# some code

Info

If you call the init_logger_with_offset function to shift the time in the logs, the declaration of the environment variable through the code must be before the init_logger_with_offset functions are called.

Levels of logging support:

  • ERROR - only errors are displayed (always displayed in any mode)

    Includes all messages that did not pass the rules condition test

  • INFO - errors and information are displayed

    Includes all messages that did not pass the rules condition test and information about the rules that were caught

  • DEBUG - errors, information and debug information are displayed

    Includes all messages that did not pass the rules condition test, information about the rules that were caught and debug information about debug what modifiers are applied

  • TRACE - errors, information, debug information and trace information are displayed

    Includes all messages that did not pass the rules condition test, information about the rules that were caught, debug information about debug what modifiers are applied and trace information about what type of regular expression is used, and whether it is included in the RegexSet.