Tinche

> cat test.py
from contextlib import contextmanager

@contextmanager
def polite():
    print("Hi!")
    yield
    print("Bye!")

@polite

Tinche

> pip install configparser --no-compile
Downloading/unpacking configparser
  Using download cache from /home/tin/.cache/pip/https%3A%2F%2Fpypi.python.org%2Fpackages%2Fsource%2Fc%2Fconfigparser%2Fconfigparser-3.3.0r2.tar.gz
  Running setup.py (path:/home/tin/pg/cp-pypy/build/configparser/setup.py) egg_info for package configparser
    
Installing collected packages: configparser
  Running setup.py install for configparser
    deleting configparser.egg-info/requires.txt
    
    error: <fdopen>: Bad file descriptor

Tinche

"""Cached property multithreading test."""
from threading import Lock, Thread
from time import sleep
from cached_property import cached_property

COUNT = 0
COUNT_LOCK = Lock()
NUM_THREADS = 10

class Test(object):

Tinche

### Keybase proof

I hereby claim:

  * I am Tinche on github.
  * I am tinche (https://keybase.io/tinche) on keybase.
  * I have a public key whose fingerprint is B063 23B0 E68E 64DE 7EF6  29DA 88B0 B079 6949 65D8

To claim this, I am signing this object:

Tinche

Keybase proof

I hereby claim:

• I am tinche on github.
• I am tinche (https://keybase.io/tinche) on keybase.
• I have a public key whose fingerprint is 7BD5 6290 52BC 9DDF 8D20 3A90 FBAD 9430 9989 8647

To claim this, I am signing this object:

Tinche

cat /proc/cpuinfo 
processor	: 0
vendor_id	: AuthenticAMD
cpu family	: 16
model		: 10
model name	: AMD Phenom(tm) II X6 1055T Processor
stepping	: 0
microcode	: 0x10000dc
cpu MHz		: 2800.000
cache size	: 512 KB

Tinche

.
├── bin
├── glide.lock
├── glide.yaml
├── src
│   └── tin
│       └── hello.go
└── vendor
    ├── github.com
    │   └── codegangsta

Tinche

> cat t.py
class A:
    __slots__ = ('x', 'y', 'z', 'a', 'b', 'c')

    def __init__(self, x, y, z, a, b, c):
        #_setattr = object.__setattr__.__get__(self, A)
        _setattr = object.__setattr__
        _setattr('x', x)
        _setattr('y', y)
        _setattr('z', z)

Tinche

_setattr_cached = object.__setattr__

class A:
    __slots__ = ('x', 'y', 'z', 'a', 'b', 'c')

    def __init__(self, x, y, z, a, b, c):
        _setattr = _setattr_cached.__get__(self, A)
        _setattr('x', x)
        _setattr('y', y)
        _setattr('z', z)

Tinche

import attr
import pickle


@attr.s(frozen=True)
class A(object):
    x = attr.ib()

@attr.s(slots=True)
class B(object):