Attachment 12259 Details for Bug 27407 – Tests urllib3 module with a few simple examples

Tests urllib3 module with a few simple examples

tutorial.py (text/plain), 2.50 KB, created by Len Lawrence on 2021-01-25 17:37:40 CET

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Creator: Len Lawrence

Created: 2021-01-25 17:37:40 CET

Size: 2.50 KB

patch

obsolete

># This python snippet exercizes the basic functions of urllib3.
># It is a truncated version of the introduction at https://zetcode.com/python/urllib3/
># *** Install python3-certifi before running this ***
># This script was intended for python3 but seems to work with python2.
>
>import urllib3
>print( urllib3.__version__ )
># Create pool manager to handle the details
>http = urllib3.PoolManager( )
>url = 'http://webcode.me'
># GET something from the Web
>resp = http.request( 'GET', url )
>print( resp.status )
>print( resp.data.decode('utf-8') )
># HEAD request obtains just the header without the data 
>resp = http.request( 'HEAD', url )
>print( resp.headers['Server'] )
>print( resp.headers['Date'] )
>print( resp.headers['Content-Type'] )
>print( resp.headers['Last-Modified'] )
>
># Install python3-certifi to make this work
>
>import certifi
># Pass local root certificates to pool manager
>url = 'https://httpbin.org/anything'
>http = urllib3.PoolManager( ca_certs=certifi.where( ) )
>resp = http.request( 'GET', url )
>print( resp.status )
># Use search parameters to return data as a JSON string
>payload = { 'name': 'Peter', 'age': 23 }
>url = 'https://httpbin.org/get'
>req = http.request( 'GET', url, fields=payload )
>print( req.data.decode( 'utf-8' ) )
>
>url = 'https://httpbin.org/post'
>req = http.request( 'POST', url, fields={ 'name': 'John Doe' } )
>print( req.data.decode( 'utf-8' ) )
>
>import json
># POST request in JSON format
>payload = {'name': 'John Doe'}
>encoded_data = json.dumps(payload).encode('utf-8')
>resp = http.request(
>     'POST',
>     'https://httpbin.org/post',
>     body=encoded_data,
>     headers={ 'Content-Type': 'application/json' } )
>data = json.loads( resp.data.decode( 'utf-8' ) )['json']
>print( data )
># GET binary data, using a 'with' clause to save the data in a specific file.
># $ file favicon.ico
># favicon.ico: MS Windows icon resource - 1 icon, 16x16
>url = 'http://webcode.me/favicon.ico'
>req = http.request( 'GET', url )
>with open( 'favicon.ico', 'wb' ) as f:
>    f.write( req.data )
># Stream data to local file
>url = "https://docs.oracle.com/javase/specs/jls/se8/jls8.pdf"
>local_filename = url.split('/')[-1]
>http = urllib3.PoolManager( ca_certs=certifi.where() )
>resp = http.request(
>    'GET',
>    url,
>    preload_content=False )
>with open( local_filename, 'wb' ) as f:
>    for chunk in resp.stream( 1024 ):
>        f.write( chunk )
>resp.release_conn( )
>    
>url = 'https://httpbin.org/redirect-to?url=/'
>resp = http.request( 'GET', url, redirect=True )
>print( resp.status )
>print( resp.geturl( ) )
>print( resp.info( ) )
>
>
>
>
>
>
>
>

# This python snippet exercizes the basic functions of urllib3.
# It is a truncated version of the introduction at https://zetcode.com/python/urllib3/
# *** Install python3-certifi before running this ***
# This script was intended for python3 but seems to work with python2.

import urllib3
print( urllib3.__version__ )
# Create pool manager to handle the details
http = urllib3.PoolManager( )
url = 'http://webcode.me'
# GET something from the Web
resp = http.request( 'GET', url )
print( resp.status )
print( resp.data.decode('utf-8') )
# HEAD request obtains just the header without the data 
resp = http.request( 'HEAD', url )
print( resp.headers['Server'] )
print( resp.headers['Date'] )
print( resp.headers['Content-Type'] )
print( resp.headers['Last-Modified'] )

# Install python3-certifi to make this work

import certifi
# Pass local root certificates to pool manager
url = 'https://httpbin.org/anything'
http = urllib3.PoolManager( ca_certs=certifi.where( ) )
resp = http.request( 'GET', url )
print( resp.status )
# Use search parameters to return data as a JSON string
payload = { 'name': 'Peter', 'age': 23 }
url = 'https://httpbin.org/get'
req = http.request( 'GET', url, fields=payload )
print( req.data.decode( 'utf-8' ) )

url = 'https://httpbin.org/post'
req = http.request( 'POST', url, fields={ 'name': 'John Doe' } )
print( req.data.decode( 'utf-8' ) )

import json
# POST request in JSON format
payload = {'name': 'John Doe'}
encoded_data = json.dumps(payload).encode('utf-8')
resp = http.request(
     'POST',
     'https://httpbin.org/post',
     body=encoded_data,
     headers={ 'Content-Type': 'application/json' } )
data = json.loads( resp.data.decode( 'utf-8' ) )['json']
print( data )
# GET binary data, using a 'with' clause to save the data in a specific file.
# $ file favicon.ico
# favicon.ico: MS Windows icon resource - 1 icon, 16x16
url = 'http://webcode.me/favicon.ico'
req = http.request( 'GET', url )
with open( 'favicon.ico', 'wb' ) as f:
    f.write( req.data )
# Stream data to local file
url = "https://docs.oracle.com/javase/specs/jls/se8/jls8.pdf"
local_filename = url.split('/')[-1]
http = urllib3.PoolManager( ca_certs=certifi.where() )
resp = http.request(
    'GET',
    url,
    preload_content=False )
with open( local_filename, 'wb' ) as f:
    for chunk in resp.stream( 1024 ):
        f.write( chunk )
resp.release_conn( )
    
url = 'https://httpbin.org/redirect-to?url=/'
resp = http.request( 'GET', url, redirect=True )
print( resp.status )
print( resp.geturl( ) )
print( resp.info( ) )

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Attachments on bug 27407: 12259 | 12260