[Simple Python Recepies] Just some python recepies #python

batching.py

# raw python
def batch(iterable, n=1):
    l = len(iterable)
    for ndx in range(0, l, n):
        yield iterable[ndx:min(ndx + n, l)]

        
def chunks(lst, n):
    """Yield successive n-sized chunks from lst."""
    for i in xrange(0, len(lst), n):
        yield lst[i:i + n]

command_line_application.py

from setuptools import setup, find_packages


setup(
    name="myapp",
    version="0.1",
    packages=find_packages(),
    package_data={"myapp": ["configs/*.json"]},
    entry_points={
        "console_scripts": [
            "mls = myapp.__main__:run" #run is a function
        ]
    }
)

logging.py

# Get all loggers in a system
import logging
loggers = [logging.getLogger(name) for name in logging.root.manager.loggerDict]
for lggg in loggers:
	print(lggg.name, lggg.getEffectiveLevel())

switch.py

def switch(value):
  return {
    "option1": 1,
    "option2": 2
  }.get(value)
# with default value
def switch(value):
  _default = 1
  return {
    "option1": 1,
    "option2": 2
  }.get(value, _default)