In [1]: import requests
In [2]: help(requests.get)
Help on function get in module requests.api:
get(url, params=None, **kwargs)
Sends a GET request.
:param url: URL for the new :class:`Request` object.
:param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`.
:param \*\*kwargs: Optional arguments that ``request`` takes.
:return: :class:`Response <Response>` object
:rtype: requests.Response
In [4]: requests.get?
Type: function
String form: <function get at 0x10e6c35f0>
File: /Library/Python/2.7/site-packages/requests/api.py
Definition: requests.get(url, params=None, **kwargs)
Docstring:
Sends a GET request.
:param url: URL for the new :class:`Request` object.
:param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`.
:param \*\*kwargs: Optional arguments that ``request`` takes.
:return: :class:`Response <Response>` object
:rtype: requests.Response
使用pydoc查看字符串文档
☁ ~ python -m pydoc requests
Help on package requests:
NAME
requests
FILE
/Library/Python/2.7/site-packages/requests/__init__.py
DESCRIPTION
requests HTTP library
Requests is an HTTP library, written in Python, for human beings. Basic GET
usage:
>>> import requests
>>> r = requests.get('https://www.python.org')
>>> r.status_code
200
>>> 'Python is a programming language' in r.content
True
调用
help
函数,可以看到一个函数或者方法的字符串文档。使用
dir
可以查看模块或对象都有那些方法。使用
ipython+?
查看使用pydoc查看字符串文档
很多第三方库, 都有他们自己的官网, 例如requests库, jinja2库等等. 所以如果你想用的库,刚好有他们的官网, 可以上通过搜索他们的官网上去学习, 但是如果很不幸没有, 那只能通过别人的博客或者分享去学习, 如果等基础到一定程度, 可以去直接看他们模块的源码, 从中找到你需要的东西