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requests.models.Response Objects
What properties and functions are supported on requests.models.Response objects? "requests" module supports the following properties and functions on requests.models.Response objects: >>> r = requests.get() >>> r.status_code >>> r.header...
2018-09-01, 4809👍, 0💬

http.client.HTTPResponse Objects
What properties and functions are supported on http.client.HTTPResponse objects? If you get an http.client.HTTPResponse object from a urlopen() function call, you should be able use the following properties and functions: >>> r = urllib.request.urlopen('http:/ /httpbin.org/get')...
2018-09-24, 4501👍, 0💬

Python Tutorials
Where to find tutorials on Python programming language? I want to learn Python. Here is a large collection of tutorials to answer many frequently asked questions compiled by FYIcenter.com team about Python programming language: Introduction of Python What Is Python Download Latest Version of Python ...
2020-12-22, 3544👍, 1💬

💬 2020-12-22 kimmy Kervel: Thanks for sharing this precious information with us, this really helpful for me and also for my upcoming project.

'__init__()' Class Method to Initialize New Instance
What is the "__init__()" class method? The "__init__()" class method is a special method that will be automatically called, if you use the class name as a constructor to create a new instance of the class. Here are the rules you need to follow to define and use the "__init__()" class method: 1. Defi...
2018-01-27, 2286👍, 0💬

Create New Instances of a Class
How to Create a New Instance of a Class? There are two ways to create a new instance (object) of a class (or type): 1. The short way: Call the class name as the class constructor function with the following syntax. It will return an instance of the given class. >>> x = class_nam...
2018-01-27, 1730👍, 0💬

json.dumps() - Dumping Object into JSON
How to dump (or encode, serialize) a Python object into a JSON string using json.dumps()? The json.dumps() function allows you to dump (or encode, serialize) Python objects into JSON strings: json.dumps(obj, *, skipkeys=False, ensure_ascii=True, check_circular=True, allow_nan=True, cls=None, indent=...
2018-10-13, 1682👍, 0💬

Extending json.JSONEncoder Class
How to extend json.JSONEncoder class? I want to encode other Python data types to JSON. If you encode your own data types to JSON strings, you need to extend the json.JSONEncoder class and override the default() function. The following Python example shows you how to extend json.JSONEncoder class to...
2018-10-08, 1607👍, 0💬

Using urllib.parse.urlencode()
How to use urllib.parse.urlencode() function to encode HTTP POST data? My form data has special characters. If your form data has spaces, equal signs, and other special characters, you need to call urllib.parse.urlencode() to encode it before passing it to the urlopen() function. The urlencode() fun...
2018-09-13, 1536👍, 0💬

re.search() - Search for First Match
How to search for the first match of a regular expression using re.search()? The re.search() function allows you to search for the first match of a given regular expression in a target string. import re m = re.search(pattern, string, flags=0) Where: pattern is the regular expression string is the ta...
2018-10-19, 1492👍, 0💬

json.tool - JSON Pretty-Print Tool
What is json.tool? Can I use it to convert a JSON string a pretty-print format? json.tool is a special internal executable module - a module with main() so you can run it as Python script. When you run json.tool, (or json.module.main()), it will read a JSON string from the stand input and write the ...
2018-09-24, 1437👍, 0💬

Using urllib.request.Request Object
How to use the urllib.request.Request object to build more complex HTTP request? The urllib.request.urlopen() function can take a urllib.request.Request object to let you building more complex HTTP requests. You can use the Request() constructor to build a Request object: q = urllib.request.Request(...
2018-09-13, 1236👍, 0💬

'while ... else' Repeating Statement Blocks
How to enter "while ... else" statement blocks in Python code? "while ... else" statement blocks allow you to execute the main statement block repeatedly. When "while ... else" statement blocks are interpreted, the "while" statement block will be executed repeatedly until the given condition returns...
2018-02-28, 1099👍, 0💬

'while ... else' Repeating Statement Blocks
How to enter "while ... else" statement blocks in Python code? "while ... else" statement blocks allow you to execute the main statement block repeatedly. When "while ... else" statement blocks are interpreted, the "while" statement block will be executed repeatedly until the given condition returns...
2018-02-28, 1099👍, 0💬

json.loads() - Loading JSON into Object
How to load (or decode, deserialize) a JSON string into a Python object using json.loads()? The json.loads() function allows you to load (or decode, deserialize) JSON strings (str, bytes or bytearray types) into Pythong objects: json.loads(s, *, encoding=None, cls=None, object_hook=None, parse_float...
2018-10-08, 1096👍, 0💬

re.findall() - Find All Matches
How to find all matches of a regular expression using re.findall()? The re.findall() function allows you to find all matches of a given regular expression in a target string. import re l = re.findall(pattern, string, flags=0) Where: pattern is the regular expression string is the target string l is ...
2018-10-19, 1075👍, 0💬

What Is json.JSONEncoder Class
What Is json.JSONEncoder Class? json.JSONEncoder class is the underlying class that supports json.dumps() functions. The following Python example shows you how to use json.JSONEncoder class to perform the same JSON encoding job as json.dumps function: >>> import json >&am...
2018-10-08, 1052👍, 0💬

Use Match Group \g<n> in Replacement
How to how to use matched string and groups in replacements with re.sub()? When calling the re.sub() function, you can use matched string and groups in replacements with the following escape sequences: \g<0> # represents the matched string \g<1> # represents the first gro...
2018-10-13, 1043👍, 0💬

re.split() - Splits with Regular Expression
How to split a given string with a regular expression as the delimiter using re.split()? The re.split() function allows you to split a given target string using matches of a given regular expression as the delimiter. import re l = re.split(pattern, string, maxsplit=0, flags=0) Where: pattern is the ...
2018-10-13, 1035👍, 0💬

'@...' Function Decorators
What are function decorators in Python? A function decorator is shorthand notation to replace a function with a new version transformed by a wrapper function. A function decorator can be specified using the following syntax: @decorator_wrapper_function def func(): ... Above Python code is actually e...
2018-05-08, 1021👍, 0💬

HTTP POST with urllib.request
How to send an HTTP POST request with urllib.request? I want to submit a form to a Website. To submit a form to a Website, you can use the urllib.request.urlopen() function with two arguments: r = urllib.request.urlopen(url, data) where: url can be a URL string or Request object data is request body...
2018-09-13, 1003👍, 0💬

Installing 'requests' Module
How to install "requests" module? I am getting the "ModuleNotFoundError: No module named 'requests'" error. If you are getting the following error when running "import requests", you need to follow this tutorial to install the "requests" module. C:\fyicenter>python Python 3.6.2 (v3.6.2:5fd33b...
2018-09-01, 1003👍, 0💬

sys.argv - Command Line Argument List
How to retrieve command line arguments with sys.argv list? If execute a Python script file with the "python" command, you can use the sys.argv list to retrieve command line arguments. Note that the first argument, sys.argv[0], represents the Python script file name. Here is a Python script file exam...
2018-11-11, 949👍, 0💬

Sending FTP Request with urllib.request.urlopen
How to send an FTP request with the urllib.request.urlopen() function? If an FTP server supports anonymous access, you can send an FTP request to retrieve a directory list, or download a file using the urllib.request.urlopen() function: Here is a Python example on how to get a directory list from an...
2018-09-13, 948👍, 0💬

Sending an HTTP Request with 'urllib.request'
How to send an HTTP request using the "urllib.request" module? To send an HTTP request to the Internet, you can use the urllib.request.urlopen() function as described below: r = urllib.request.urlopen(url, data=None, [timeout, ]*, cafile=None, capath=None, cadefault=False, context=None) where: url c...
2018-09-24, 925👍, 0💬

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