pgollakota

Keybase proof

I hereby claim:

• I am pgollakota on github.
• I am pgollakota (https://keybase.io/pgollakota) on keybase.
• I have a public key ASAmLnjzufTPpK1ufgZSLRrnWmYLDbgDLfJctQncpdmOtAo

To claim this, I am signing this object:

pgollakota

from functools import wraps

# final version which retains the decorated function name etc.
def accept_n_gt_zero_only(f:(
    @wraps(f)
    def f_n_gt_zero(n, *args, **kwargs:(
        # ... same as above ...

pgollakota

# Implementation without the metaclass
class CharField(object):
    def __init__(self, form, text=None):
        self.form = form
        self.text = text
    def __str__(self):
        return self.text
    def is_valid_email(self):

pgollakota

# Django-like implementation

class BoundField(object):
    def __init__(self, form, field, name):
        self.form = form
        self.field = field
        self.name = name
    def _data(self):
        return self.field.value_from_datadict(self.form.data, self.name)
    data = property(_data)

pgollakota

#!/usr/bin/env python

from django_skeleton.scripts import bootstrap_django
bootstrap_django.main()

from django.core.servers.fastcgi import runfastcgi
runfastcgi(method="threaded",
           minspare="1",
           maxspare="1",
           socket="/tmp/django_skeleton.fastcgi.socket",

pgollakota

#!/usr/bin/env python

from django_skeleton.scripts import bootstrap_django
bootstrap_django.main()

from django.core.servers.fastcgi import runfastcgi
runfastcgi(method="threaded",
           minspare="1",
           maxspare="1",
           socket="/tmp/django_skeleton.fastcgi.socket",

pgollakota

>>> freshfruit = ['  banana', '  loganberry ', 'passion fruit  ']
>>> [weapon.strip() for weapon in freshfruit]
['banana', 'loganberry', 'passion fruit']
>>> vec = [2, 4, 6]
>>> [3*x for x in vec]
[6, 12, 18]
>>> [3*x for x in vec if x > 3]
[12, 18]
>>> [3*x for x in vec if x < 2]
[]