Python 2.6 Cheatsheet (2008).pdf

Python 2.6 Cheatsheet

Statements

import module

import module as alias

import module.member

from module import member, ‥

print expr, ‥

variable = expr

del variable

if condition :

suite ‥

elif condition :

suite ‥

Literals

42 1e6 3.14 1+3j 0x1F 0b10

'String' “string” '''docstring'''

r'Raw' b'Bytes' u'Unicode'

[] [ expr , ‥ ] () ( expr , ‥ )

{} { expr : expr , ‥ }

tuple

type

dict

list

object

set

frozenset

slice

None False True Ellipsis

Operators

` expr `

x[i:j:k]

x [i] x[key]

x . attribute

x ** y

~ x

+ x , - x

* / %

+ -

<< >>

x & y

x ^ y

x | y

< <= > >=

<> != ==

x in iter

x not in iter

not x

and

lambda x , :

else :

suite ‥

for variable in iterable :

suite ‥

while condition :

suite ‥

break

continue

def a_function( arg,

Functions

‥ ):

abs

bin

chr

coerce

cmp

dir

divmod

eval

file

hash

hex

input

max min

oct

open

ord

pow

raw_input

repr

round

sum

unichr

'''Docstring.'''

global variable

suite ‥

return expr

class AClass(object):

'''Docstring.'''

suite

def __init__(self, arg,

‥ ):

Sequence functions

suite ‥

all

any

apply

enumerate

filter

iter

len

map

range

reduce

reversed

sorted

xrange

zip

try :

suite ‥

except expr ,

‥ :

‥ expr

expr if cond else expr

[ x for x in iterable if cond ]

( x for x in iterable if cond )

suite ‥

finally :

suite ‥

assert expr

raise exception

exec expr

pass

with expr as variable:

suite ‥

def a_generator( arg , ‥ ):

'''Docstring.'''

suite ‥

yield expr

Common attributes

__doc__ Doc string

Introspection functions

__dict__

Module, class or

instance namespace

callable

classmethod

compile

delattr

execfile

getattr

hasattr

globals

intern

isinstance

issubclass

locals

property

reload

setattr

staticmethod

super

vars

__file__

pathname of module

(if available)

__name__

module, class, or

function name

Types

bool

buffer

complex

float

int

long

str

unicode

Python 2.6 Cheatsheet

String methods

capitalize ()

center (width[, fillchar])

count (sub[, start[, end]])

decode ([encoding[, errors]])

encode ([encoding[, errors]])

endswith (suffix[, start[, stop]])

expandtabs ([tabsize])

find (sub[, start[, stop]])

format (format_string, *args,

**kwargs)

index (sub[, start[, stop]])

isalnum ()

isalpha ()

isdecimal () †

isdigit ()

islower ()

pop ([i]) ‡

remove (x) ‡

reverse () ‡

sort (

[cmp[, key[,

reverse]]]) ‡

‡ Lists/mutable sequences only

Useful modules

collections

decimal

datetime

doctest

math

os.path

string

sys

time

Dictionary methods

Exceptions

Exception ArithmeticError

AssertionError AttributeError

BaseException EOFError

EnvironmentError

FloatingPointError

GeneratorExit IOError

ImportError IndentationError

IndexError KeyError

KeyboardInterrupt

LookupError MemoryError

NameError NotImplemented

NotImplementedError

OSError OverflowError

ReferenceError RuntimeError

StandardError StopIteration

SyntaxError SystemError

SystemExit TabError

TypeError UnboundLocalError

UnicodeDecodeError

UnicodeEncodeError

UnicodeError

UnicodeTranslateError

ValueError ZeroDivisionError

isnumeric () †

isspace ()

istitle ()

isupper ()

† Unicode only

clear ()

copy ()

fromkeys (seq[,

value])

get (key[,

default])

has_key (key)

items ()

iteritems ()

iterkeys ()

itervalues ()

keys ()

pop (key[,

default])

popitem ()

setdefault (

key[, default)

update ([other])

values ()

join (seq)

ljust (width[, fillchar])

lower ()

lstrip ([chars])

partition (sep)

replace (old, new[, count])

rfind (sub[, start[, stop]])

rindex (sub[, start[, stop]])

rjust (width[, fillchar])

rpartition (sep)

rsplit (sep[, maxsplit])

rstrip ([chars])

splitlines ([keepends])

split (sep[, maxsplit])

startswith (suffix[, start[, stop]])

strip ([chars])

swapcase ()

title ()

translate (table[, deletechars])

upper () zfill (width)

File object methods

close ()

closed

encoding

errors

fileno ()

flush ()

isatty ()

mode

name

newlines

next ()

read ([size])

readinto

readline ([size])

readlines (

[sizehint])

seek (offset[,

whence])

softspace

tell ()

truncate ([size])

write (str)

writelines (seq)

xreadlines ()

Warnings

Warning DeprecationWarning

FutureWarning

ImportWarning

PendingDeprecationWarning

RuntimeWarning

SyntaxWarning

UnicodeWarning

Set/Frozenset methods

issubset (oth)

issuperset (oth)

pop (elem) §

remove (elem) §

union (oth)

update (oth) §

intersection_update (oth) §

symmetric_difference (oth)

symmetric_difference_update

(oth) § § Set type only

UserWarning

String constants

ascii_letters ascii_lowercase

ascii_uppercase

digits

hexdigits

letters

lowercase

octdigits

Sequence methods

append (x) ‡

count (x)

extend (t) ‡

index (x)

insert (i, x) ‡

add (elem) §

clear () §

copy ()

difference (oth)

discard (elem) §

isdisjoint (oth)

printable

punctuation

uppercase

whitespace

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