zancas

Intro

This is a comparison of packaging with python vs with npm.

TLDR

Python packaging is 3x as complex as javascript packaging. See the conclusion for more detail (but less than the whole document).

Categories examined:

• [script creation](script creation)
• [conversion to a package](conversion to a package)

zancas

#! /usr/bin/env python

class TransactionContext(object):
    def __init__(self, transaction):
        self.transaction = transaction
        self.bigip = transaction._meta_data['bigip']
        self.session = self.bigip._meta_data['icr_session']
    
    def __enter__(self):
        self.transaction.create(json={})

zancas

#! /usr/bin/env python

class Transactions(Collection):
    """BIG-IP® LTM pool collection"""
    def __init__(self, bigip):
        super(Transactions, self).__init__(bigip)
        self._meta_data['allowed_lazy_attributes'] = [Transaction]
        self._meta_data['attribute_registry'] =\
            {u'tm:transactionstate': Transaction}

zancas

#! /usr/bin/env python
import logging

from THERIGHTPLACE import F5SDKError


class TransactionSubmitException(F5SDKError):
  pass
  
  

zancas

#! /usr/bin/env python

if self.kind != self._meta_data['required_json_kind'] and self.kind != "tm:transaction:commandsstate":
     STUFF

zancas

#! /usr/bin/env python

from f5.bigip import ManagementRoot

mr = ManagementRoot(NETLOC, USERNAME, PASSWORD)

nat = mr.tm.ltm.nats.nat.create(BLAH...

zancas

#! /usr/bin/env python

class Client_Ssl(Resource):
    def __init__(self, client_ssls):
        super(Client_Ssl, self).__init__(client_ssls)
        self._meta_data['required_json_kind'] =\
            'tm:ltm:profile:client-ssl:client-sslstate'

    def create(self, name, certname, keyname, **kwargs):
        """Allows creation of SSL profile with just key/cert names

zancas

#! /usr/bin/env python

def __getattribute__(self, name):
  if name == 'update':
    return Update(self)
  elif name in self.__dict__:
    return self.__dict__[name]
  else:
    return self.__getattr__(name)

zancas

#! /usr/bin/env python

class ReplaceDefaultNameMixin(object):
    def __getattribute__(self, name):
        if name in self._meta_data['override_classes']:
            return self._meta_data['override_classes'][name](self)
        elif name in self.__dict__:
            return self.__dict__[name]
        else:
            return self.__getattr__(name)

zancas

#! /usr/bin/env python

try:
    name = kwargs.pop('name')
    certname = kwargs.pop('certname')
    keyname = kwargs.pop('keyname')
except KeyError as ex:
    raise MissingRequiredCreationParameter(ex)
if kwargs:
    raise TypeError("Unexpected parameters: %r" kwargs)