Python crawler login hold and summary of HTTP

These days have been watching Python crawler login to keep. Implementation of the interface too much, too messy, novice inevitably enveloping. A variety of GET, post, in-depth understanding, in fact, because of the HTTP characteristics caused by these operations. HTTP is a non-stateful, non-persisted network transport protocol that does not save the results of the last communication, although TCP-based but not connected.

In this paper, we first introduce the various features of HTTP from the principle point of view, and then, based on the Python language, introduce a more famous HTTP library--requests. The main will refer to the development of the text of the document to summarize, translation is good. 69486364

Python crawler login hold and summary of HTTP