egdoc · April 16, 2019 07:48
diff --git a/download_file_requests.py b/download_file_requests.py
 #!/usr/bin/env python3
 import requests

 # steam must be True, otherwise the content will be downloaded all at once
 with requests.get("https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.0.7.tar.xz", stream=True) as response:
    with open("latest-kernel.tar.xz", "wb") as tarball:
        # iter_content method iterates over response content
        # the argument is chunk_size
        for chunk in response.iter_content(16384):
            tarball.write(chunk)
diff --git a/download_file_urlopen.py b/download_file_urlopen.py
 #!/usr/bin/env python3
 from urllib.request import urlopen

 with urlopen("https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.0.7.tar.xz") as response:
    with open('latest-kernel.tar.xz', 'wb') as tarball:
        while True:
            # Read chunks of 16 Kibibytes
            chunk = response.read(16384)
            if chunk:
                tarball.write(chunk)
            else:
                break
diff --git a/download_file_urlopen_shutil.py b/download_file_urlopen_shutil.py
 #!/usr/bin/env python3
 from shutil import copyfileobj
 from urllib.request import urlopen

 with urlopen("https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.0.7.tar.xz") as response:
    with open('latest-kernel.tar.xz', 'wb') as tarball:
        # Third argument of shutil.copyfileobject is buffer size,
        # which by default is set to 16384 bytes
        copyfileobj(response, tarball, length=16384)
diff --git a/download_file_urlretrieve.py b/download_file_urlretrieve.py
 #!/usr/bin/env python3
 from urllib.request import urlretrieve

 # urlretrieve function might become deprecated
 filename, message_obj = urlretrieve("https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.0.7.tar.xz", 'linux.tar.xz')
diff --git a/sessions_with_requests.py b/sessions_with_requests.py
 #!/usr/bin/env python3
 import requests

 session = requests.Session()

 # Send GET request from session context
 response = session.get("https://httpbin.org/cookies/set?lastname=skywalker")

 # Build, prepare and send a Request manually
 request = requests.Request("GET", "https://httpbin.org/get")
 prepared_request = session.prepare_request(request)
 response = session.send(prepared_request)
diff --git a/std_library_get_requests.py b/std_library_get_requests.py
 #!/usr/bin/env python3
 from urllib.parse import urlencode
 from urllib.request import Request, urlopen

 # Simplest GET request
 with urlopen("https://api.nasa.gov/planetary/apod?api_key=DEMO_KEY") as response:
    # Do something with the response e.g reading the content as json
    response_body = response.read()

 # GET request with "prepared" query string
 query_string = urlencode({"api_key": "DEMO_KEY", "date": "2019-04-11"})
 with urlopen("?".join(["https://api.nasa.gov/planetary/apod", query_string])) as response:
    response_body = response.read()
diff --git a/std_library_other_verbs_requests.py b/std_library_other_verbs_requests.py
 #!/usr/bin/env python3
 import json

 from urllib.request import Request, urlopen

 # Example of PUT request with data: use the "method" argument
 person = {"firstname": "Luke", "lastname": "Skywalker", "title": "Jedi Knight"}
 custom_headers = {"Content-Type": "application/json"}
 request = Request("https://httpbin.org/put", json.dumps(person).encode("ascii"), headers=custom_headers, method="PUT")
 with urlopen(request) as response:
    response_body = response.read()
diff --git a/std_library_post_requests.py b/std_library_post_requests.py
 #!/usr/bin/env python3
 import json

 from urllib.parse import urlencode
 from urllib.request import Request, urlopen

 # POST request with form data: The ascii-encoded data must be the second parameter passed
 # to the urlopen function. If the data argument is not None, the POST verb is used (default is GET)
 data = urlencode({"variable1": "value1", "variable2": "value2"}).encode('ascii')
 with urlopen("https://httpbin.org/post", data) as response:
    response_body = response.read()
    
 # POST request with Json data
 person = {"firstname": "Luke", "lastname": "Skywalker", "title": "Jedi Knight"}
 custom_headers = {"Content-Type": "application/json"}
 request = Request("https://httpbin.org/post", json.dumps(person).encode("ascii"), headers=custom_headers)
 with urlopen(request) as response:
    response_body = response.read()
diff --git a/upload_file_with_requests.py b/upload_file_with_requests.py
 #!/usr/bin/env python3
 import requests

 response = requests.post("https://httpbin.org/post", files={'file': open('nasa_black_hole.png', 'rb')})
	#!/usr/bin/env python3
	import requests

	# steam must be True, otherwise the content will be downloaded all at once
	with requests.get("https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.0.7.tar.xz", stream=True) as response:
	with open("latest-kernel.tar.xz", "wb") as tarball:
	# iter_content method iterates over response content
	# the argument is chunk_size
	for chunk in response.iter_content(16384):
	tarball.write(chunk)
	#!/usr/bin/env python3
	from urllib.request import urlopen

	with urlopen("https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.0.7.tar.xz") as response:
	with open('latest-kernel.tar.xz', 'wb') as tarball:
	while True:
	# Read chunks of 16 Kibibytes
	chunk = response.read(16384)
	if chunk:
	tarball.write(chunk)
	else:
	break
	#!/usr/bin/env python3
	from shutil import copyfileobj
	from urllib.request import urlopen

	with urlopen("https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.0.7.tar.xz") as response:
	with open('latest-kernel.tar.xz', 'wb') as tarball:
	# Third argument of shutil.copyfileobject is buffer size,
	# which by default is set to 16384 bytes
	copyfileobj(response, tarball, length=16384)
	#!/usr/bin/env python3
	from urllib.request import urlretrieve

	# urlretrieve function might become deprecated
	filename, message_obj = urlretrieve("https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.0.7.tar.xz", 'linux.tar.xz')
	#!/usr/bin/env python3
	import requests

	session = requests.Session()

	# Send GET request from session context
	response = session.get("https://httpbin.org/cookies/set?lastname=skywalker")

	# Build, prepare and send a Request manually
	request = requests.Request("GET", "https://httpbin.org/get")
	prepared_request = session.prepare_request(request)
	response = session.send(prepared_request)
	#!/usr/bin/env python3
	from urllib.parse import urlencode
	from urllib.request import Request, urlopen

	# Simplest GET request
	with urlopen("https://api.nasa.gov/planetary/apod?api_key=DEMO_KEY") as response:
	# Do something with the response e.g reading the content as json
	response_body = response.read()

	# GET request with "prepared" query string
	query_string = urlencode({"api_key": "DEMO_KEY", "date": "2019-04-11"})
	with urlopen("?".join(["https://api.nasa.gov/planetary/apod", query_string])) as response:
	response_body = response.read()
	#!/usr/bin/env python3
	import json

	from urllib.request import Request, urlopen

	# Example of PUT request with data: use the "method" argument
	person = {"firstname": "Luke", "lastname": "Skywalker", "title": "Jedi Knight"}
	custom_headers = {"Content-Type": "application/json"}
	request = Request("https://httpbin.org/put", json.dumps(person).encode("ascii"), headers=custom_headers, method="PUT")
	with urlopen(request) as response:
	response_body = response.read()
	#!/usr/bin/env python3
	import requests

	response = requests.post("https://httpbin.org/post", files={'file': open('nasa_black_hole.png', 'rb')})