A few handy, useful python modules
Few handy python modules
Hey, I wanna share with You my python modules,
I have for now:
- hashing passwords
- downloading files
- password validation
I hope You enjoy it!
PS. You can find source codes on my github
Package contains "CreateLogger" class that quickly create logger for us, instead of importing logging module and adding handlers etc...
log file has default name same as file name, with .log.
Also it is in new folder called 'logs'
Example: python_file.py -> logs/python_file.log
Default: your file name
Description: logger name should be unique!
Default is your filename (without .py) so it will look like: mailer/flask_receiver/my_first_file etc.
WARNING: If you have file (parent) with logger, and you are importing in it another local file (child), then remember to give a new logger name to child!
# parent.py: import handymodules import child # local file log = handymodules.CreateLogger() # its ok, don't need any arguments log.info('Starting...') child.function() log.info('Done')
# child.py: import handymodules log = handymodules.CreateLogger() # BAD!!! log = handymodules.CreateLogger('child') # Good def function(): # do something log.warning('Something is wrong')
In this case, there are two loggers and two files, if you want to have these two loggers in one file, then you should edit line in child
log = handymodules.CreateLogger('child', log_filename='parent')
Remember to use file basename (without .py)
Description: add a stream handler to your logger (logs in console)
Description: add a file handler to your logger. It creates "logs" folder inside directory where your file is.
Description: Just what it says, default logfile has same name as your python file, but with .log
Eg. flask_app.py -> logs/flask_app.log
Description: if file handler should be timed rotating. If True, it will change every midnight
Description: only if timed rotated file, select how long should logger keep old daily files
Description: if True, logs are saving inside logs and inside one more folder, eg.
False - logs/flask_app.log
True - logs/flask_app/flask_app.log
Useful when using timed rotating for like month or three months
import handymodules log = handymodules.CreateLogger(stream_handler=True, file_handler=False) log.info('some info') log.debug('some info') log.warning('some info') log.error('some info') log.critical('some info') try: x += 2 except: log.add_file_handler() log.exception('Only when exception!') log.change_level('warning') log.change_format('%(message)s')
Sample log file line:
2019-03-27 20:52:27,471 - flask_app - INFO - some info
import tictoc as t t.tic() t.toc() # more code t.toc() t.tic() t.toc()
You can use toc multiple times, it will count since last
Elapsed time: 2.562 seconds.
Also there is a class with this functionality,
You can have now multiple timers.
import handymodules t = handymodules.TicToc() t.tic() t.toc()
- hashing passwords
import handymodules as h hashed = h.hash_password('Pa$$w0rd') # store it somewhere! h.validate_hashed_password('Pa$$w0rd', hashed)
It's simple and secure, returns
I am using SHA3-512.
import handymodules filename = handymodules.get_filename() filepath = handymodules.get_file_abspath(file)
it will always return filename that uses it, and absolute file path to the specific file
- password validation
import handymodules.password_validation as p password = p.validate_password()
password variable You have user password from keyboard.
It was taken by getpass so it wasn't visible for others (just like in linux)
I recommend to use it with hashing_password, do not store passwords in plain text!
import handymodules.downloading_file as d url1 = 'http://example.com/text.txt' url2 = 'http://example.com/zipfile.zip' d.download(url1) d.download_zip(url2)
You can simply download any file from web giving url only.
Zip default will be unpacked to folder (with same name as package) and deleted, of course You can change it
- 2.1.0 - Added support to Python versions lower than 3.6 (removed f-strings)
- 2.0.1 - updated docs
- 2.0.0 - Changed name to handymodules, added kwargs to CreateLogger, you can now change logfile name, updated docs
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