天天看点

python对象_查找Python对象具有的方法

您似乎可以使用此代码,将“对象”替换为您感兴趣的对象:

object_methods = [method_name for method_name in dir(object)

if callable(getattr(object, method_name))]

我在this site发现它.希望这应该提供更多细节!

对于那些获得AttributeErrors的人:

getattr(不能容忍pandas风格的python3.6抽象虚拟子类.这段代码和上面的代码一样,忽略了异常.

import pandas as pd

df = pd.DataFrame([[10, 20, 30], [100, 200, 300]],

columns=['foo', 'bar', 'baz'])

def get_methods(object, spacing=20):

methodList = []

for method_name in dir(object):

try:

if callable(getattr(object, method_name)):

methodList.append(str(method_name))

except:

methodList.append(str(method_name))

processFunc = (lambda s: ' '.join(s.split())) or (lambda s: s)

for method in methodList:

try:

print(str(method.ljust(spacing)) + ' ' +

processFunc(str(getattr(object, method).__doc__)[0:90]))

except:

print(method.ljust(spacing)) + ' ' + ' getattr( failed'

get_methods(df['foo'])

继续阅读