Registered OS names: “posix”, “nt”, “mac”, “os2”, “ce”, “java”, “riscos”
Python Class Special Methods
方法
说明
_new_(cls)
init(self, args)
_del_(self)
_str_(self)
repr(self)
lt(self, other)
le(self, other)
gt(self, other)
ge(self, other)
eq(self, other)
ne(self, other)
_cmp_(self, other)
index(self)
nonzero(self)
hash(self)
getattr(self, name)
_getattribute_(self, name)
setattr(self, name, attr)
delattr(self, name)
call(self, args, kwargs)
Python List Methods
方法
说明
append(item)
pop(position)
count(item)
remove(item)
extend(list)
reverse()
index(item)
sort()
insert(position, item)
Python String Methods
方法
说明
decode()
encode()
count(sub, start, end)
index(sub, start, end)
rindex(sub, start, end)
find(sub, start, end)
rfind(sub, start ,end)
startswith(sub)
endswith(sub)
center(width)
rjust(width)
ljust(width)
zfill(width)
expandtabs()
strip()
lstrip()
rstrip()
split(sep)
rsplit(sep)
splitlines()
partition(sep)
rpartition(sep)
join()
swapcase() *
capitalize() *
title() *
translate(table)
lower() *
upper() *
replace(old, new)
isdigit() *
isalnum() *
isspace() *
istitle() *
islower() *
isupper() *
isalpha() *
Methods marked * are locale dependant for 8-bit strings.
Python File Methods
方法
说明
close()
readlines(size)
flush()
seek(offset)
fileno()
tell()
isatty()
truncate(size)
next()
write(string)
read(size)
writelines(list)
readline(size)
Python Indexes and Slices
Indexes and Slices of a=[0,1,2,3,4,5]
操作
结果
len(a)
6
a[0]
0
a[5]
5
a[-1]
5
a[-2]
4
a[1:]
[1,2,3,4,5]
a[:5]
[0,1,2,3,4]
a[:-2]
[0,1,2,3]
a[1:3]
[1,2]
a[1:-1]
[1,2,3,4]
b=a[:]
Shallow copy of a
Python Datetime Methods
操作
结果
today()
fromordinal(ordinal)
now(timezoneinfo)
combine(date, time)
utcnow()
strptime(date, format)
fromtimestamp(timestamp)
utcfromtimestamp(timestamp)
Python Time Methods
操作
结果
replace()
utcoffset()
isoformat()
dst()
str()
tzname()
strftime(format)
Python Date Formatting
字符
说明
%a
Abbreviated weekday (Sun)
%A
Weekday (Sunday)
%b
Abbreviated month name (Jan)
%B
Month name (January)
%c
Date and time
%d
Day (leading zeros) (01 to 31)
%H
24 hour (leading zeros) (00 to 23)
%I
12 hour (leading zeros) (01 to 12)
%j
Day of year (001 to 366)
%m
Month (01 to 12)
%M
Minute (00 to 59)
%p
AM or PM
%S
Second (00 to 61⁴)
%U
Week number¹ (00 to 53)
%w
Weekday² (0 to 6)
%W
Week number³ (00 to 53)
%x
Date
%X
Time
%y
Year without century (00 to 99)
%Y
Year (2008)
%Z
Time zone (GMT)
%%
A literal “%” character (%)
¹ Sunday as start of week. All days in a new year preceding the first Sunday are considered to be in week 0. ² 0 is Sunday, 6 is Saturday. ³ Monday as start of week. All days in a new year preceding the first Monday are considered to be in week 0. ⁴ This is not a mistake. Range takes account of leap and double-leap seconds.
