Important

This project is under development. All source code and features on the main branch are for the purpose of testing or evaluation and not production ready.

Common Libs

Module with common libs used in MFD modules.

Supported classes:

TimeoutCounter

Params:

• timeout: float - Time, after which bool(obj) will become True
• first_check_start: bool - If True - start counting from the first bool(obj) attempt, otherwise counting is started at object creation.

Representation:

• bool(obj:TimeoutCounter) returns False if timer last less than timeout and True if more.

DisableLogger

Context manager to temporarily suppress log messages. By default, suppresses all log messages from levels 0 - MODULE_DEBUG (inclusive). Can be parametrized by providing level argument.

Usage

from mfd_common_libs import DisableLogger

with DisableLogger():
    # do something

from mfd_common_libs import DisableLogger

with DisableLogger(level=logging.INFO):
    # do something

Supported features:

log_func_info

It's a decorator, which logs name and passed arguments to decorated method. Uses given logger Params:

• logger - object of Logger

Usage

import logging
from mfd_common_libs import log_func_info

logger = logging.getLogger(__name__)
logging.basicConfig(level=logging.DEBUG)


@log_func_info(logger)
def calling_someone(someone):
    pass

calling_someone('Adam')

logs MODULE_DEBUG:__main__:Calling func: calling_someone with arguments: ['Adam']

os_supported

It's a decorator, which checks if OS of connected device is expected/supported. It can be used in implementation of modules. Requires Connection object from mfd_connect as argument in function!

Params:

• handle OSName written as python arguments eg. @os_supported(OSName.LINUX) or @os_supported(OSName.LINUX, OSName.WINDOWS)

Raises OSSupportedDecoratorErrorif not found necessary 'connection' and UnexpectedOSException when OS is unexpected.

Usage

Usually usage:

from mfd_common_libs import os_supported
from mfd_typing import OSName


class MyModule:
  """My module."""

    @os_supported(OSName.LINUX, OSName.WINDOWS, OSName.FREEBSD)
    def __init__(self, *, connection):
        self._conn = connection

When your class doesn't have implemented custom __init__, but uses from parent, you need to define __init__ like as bottom:

from mfd_common_libs import os_supported
from mfd_typing import OSName


class MyModule:
  """My module."""
  
    def __init__(self, *, connection):
        self._conn = connection
      
      
class MyModuleWithInherit(MyModule):
    """My child module."""
    
    __init__ = os_supported(OSName.LINUX)(MyModule.__init__)
    
    def some_method(self):
        pass

Supported methods:

• add_logging_level(level_name: str, level_value: int) -> None - Add a new logging level to the logging module. Does nothing if logging name is already declared.
• add_logging_group(level_group: LevelGroup) -> None - Add all log levels related to the given group to the logging module.
  Basically, add all log levels which include LevelGroup substring.
  So for example add_logging_group(LevelGroup.BL) will add:
  • log_levels.BL_STEP
  • log_levels.BL_INFO
  • log_levels.BL_DEBUG

Data Structures

class LevelGroup(Enum):
    """Names of log levels' groups."""

    BL = auto()
    MFD = auto()
    TEST = auto()

Supported Logging Levels

• MODULE_DEBUG log level should be used when any activity during debugging the module is worth logging.
• CMD log level should be used only for executed command line (ex. from mfd-connect execute_command method).
• OUT log level should be used only for logging output from executed command line (ex. from mfd-connect execute_command method).
• TEST_PASS log level should be used in test cases to provide information about test result.
• TEST_FAIL log level should be used in test cases to provide information about test result.
• TEST_STEP log level should be used in test cases to provide information on high level steps being performed.
• TEST_INFO log level should be used in test cases to provide additional information between step and debug.
• TEST_DEBUG log level should be used in test cases for debug information about steps performed.
• BL_STEP log level should be used in Business Logic to provide information on high level steps being performed.
• BL_INFO log level should be used in Business Logic to provide additional information between step and debug.
• BL_DEBUG log level should be used in Business Logic for debug information for steps performed.
• MFD_STEP log level should be used in MFDs to provide information on high level steps being performed.
• MFD_INFO log level should be used in MFDs to provide additional information between step and debug.
• MFD_DEBUG log level should be used in MFDs for debug information about steps performed and is preferred to MODULE_DEBUG.

Supported Level Groups

• LevelGroup.BL includes:
  • BL_STEP
  • BL_INFO
  • BL_DEBUG
• LevelGroup.MFD includes:
  • MFD_STEP
  • MFD_INFO
  • MFD_DEBUG
  • MODULE_DEBUG
• LevelGroup.TEST includes:
  • TEST_PASS
  • TEST_FAIL
  • TEST_STEP
  • TEST_INFO
  • TEST_DEBUG

OS supported:

• LINUX
• WINDOWS
• ESXI
• FREEBSD
• EFI shell support

Issue reporting

If you encounter any bugs or have suggestions for improvements, you're welcome to contribute directly or open an issue here.