pep8摘要
https://www.python.org/dev/peps/pep-0008/
#!/usr/bin/python
# -*- coding:utf- -*- # @filename: pep_summary
# @author:vickey wu
# @date: // : # Start at 5th Sep
# Change at 6th Sep add Class and function summary import os
import sys
from time import *
from subprocess import Popen, PIPE
from selenium.webdriver.support.wait import WebDriverWait # long content cut to two or more part with "\"
content = "this is a very long long long long long long long long long content long \
content"
slice_content = content[::]
print slice_content
length_con = len(content)
a, b, c = "", None, None if < length_con <= :
if content == "this" and length_con == :
length_con = (length_con
+ length_con
+ length_con
+ length_con)
print length_con # different between "is" and "=="
if b is not c:
print "different object"
else:
print "same object"
if a == c:
print "same value"
else:
print "different value" # different between "and" and "&"
aa, bb, cc = , ,
if aa == and bb == :
print "'and' is logic operation, 1 treat as decimal 1"
if aa == & cc == :
print "'&' is bitwise operation, 1 treat as binary 01"
else:
print "different" try:
aa == bb
except Exception as e:
print "aa is not equal to bb" # add whitespace at the lowest priorities
i = aa + bb
ii = (aa + bb) + aa * (bb + cc) + aa - bb # Don't use spaces around the "=" when used to indicate a keyword argument or a default parameter value
def func(default_para1=, para2=None):
"""
:param default_para1:
:param para2:
:return:
"""
return func(, None) def funct(default_para1=, para2=None):
return func(, None) class ClassA(object):
"""
:param object
""" def __init__(self, para_a=None):
self.para_b = para_a def get(self):
"""
None
:return:
"""
para2 = self.para1
return para2 def _func(self):
"""
__ two underline in the beginning mean the goal here is to avoid your method to be overridden by a subclass
:param args:
:param kwargs:
:return:
"""
return self.para_b class ClassB(ClassA):
"""
This Class used to practice pep8 regulation
""" def __init__(self, para1=None, para2=None, para3=None):
super(ClassA, self).__init__(para1, para2)
self.para3 = para3 def class_func1(self):
para4 = self.para1 + self.para2
if para4 is not None:
return para4 def _private_func(self):
"""
_ one underline in the beginning mean private method or attribute, you shouldn't access it
:param para_f1:
:return:
""" self._para_f1 = self.para1 return self._para_f1 def class_func2(self):
# override class method
return self.para_b def __new__(cls, *args, **kwargs):
"""
__ two underline in the beginning and in the end it means it's a method python calls, not you
:param args:
:param kwargs:
:return:
""" pass # name suffix or prefix with double "__" or single "_".
# one underline in the beginning indicate this method or attribute is private
# which mean other method can\'t call it. # one underline in the end avoid name is conflict with keyword.
# two underline in the beginning to avoid your class method be overridden by subclass.
# two underline in the beginning and in the end means it's a method python calls, not you. # Use _one_underline to mark you methods as not part of the API. Use __two_underlines__
# when you're creating objects to look like native python objects
# or you wan't to customize behavior in specific situations.
# And don't use __just_two_underlines, unless you really know what you're doing b = ClassB(object)
a = ClassA(object)
# b.
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