ssanderson

In [2]: e = 3

In [3]: x = {}

In [4]: try:
   ...:     x['a']
   ...: except Exception as e:
   ...:     pass
   ...:

ssanderson

>>> AssertionError = ValueError
>>> assert False, "Assert Failed!"
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: Assert Failed!
>>> AssertionError = None
>>> assert False, "Assert Failed!"
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: 'NoneType' object is not callable

ssanderson

In [2]: x = 3

In [3]: def foo():
   ...:     global x
   ...:     def x():
   ...:         pass
   ...:

In [4]: x
Out[4]: 3

ssanderson

>>> def outer():
...     def inner():
            "Fails with SyntaxError"
...         from numpy import *
...         return array
...     return inner()
...
<stdin>:2: SyntaxWarning: import * only allowed at module level
  File "<stdin>", line 3
SyntaxError: import * is not allowed in function 'inner' because it is a nested function

ssanderson

import gc
import objgraph

class Foo(object):

    def __init__(self):
        self._gen = None

    def __iter__(self):
        self._gen = self.gen()

ssanderson

# Run flake8 against any added/modified python files in the current git repo.
function check8 ()
{
    errors=`git diff --relative --name-only --diff-filter AM --ignore-submodules | grep -e "\.py" | xargs flake8`
    retval=$?

    # xargs returns 127 if flake8 couldn't be found
    if [ "$retval" = "127" ]
    then

ssanderson

### Loading CSV for EIDO Data since 2014
## Branch
2428414 function calls (2416047 primitive calls) in 9.570 seconds
ncalls  tottime  percall  cumtime  percall filename:lineno(function)
1    0.000    0.000    8.094    8.094 qexec/qexec/sources/requests_csv.py:384(__init__)
1    0.254    0.254    8.094    8.094 qexec/qexec/sources/requests_csv.py:269(load_df)

## Master
9529341 function calls (9517154 primitive calls) in 30.053 seconds
ncalls  tottime  percall  cumtime  percall filename:lineno(function)

ssanderson

ssanderson

Min Variance
 Staging:
  real    0m24.313s
  user    0m23.650s
  sys     0m0.330s

  real    0m23.974s
  user    0m23.210s
  sys     0m0.420s

ssanderson

;; Root directory for Quantopian projects.
(setq quantopian-root
      (let (temp)
        (setq temp (getenv "QUANTO_ROOT"))
        (if temp (file-name-as-directory temp) "~/quantopian")))

;; =============
;; Package Repos
;; =============
(require 'package)