Polytope in Python

The Chinese translation of

Introduction

is:

Introduction

Use Python’s phonenumbers package to make it easier to parse, format, and validate phone numbers. This module is based on Google's libphonenumber package and provides developers with a powerful set of tools to handle phone numbers in a standardized way. The phonenumbers module can extract phone numbers from user input, verify their accuracy, and format them according to international standards.

In this article, we will explore the numerous functions and capabilities provided by the phonenumbers module and show how to use them in practical applications. We'll explore this module's capabilities and explain how it can make handling phone numbers in your Python applications simpler, including parsing and validating, formatting, and extracting key information.

Implementation of Phonenumbers module in Python

Installation and introduction

The phonenumbers module has to be installed and loaded into our Python environment before we can explore its features. Using pip, Python's package installer, the module may be set up. After installation, we can use the import statement to add the phonenumbers module to our interactive Python sessions or scripts.

Example

pip install phonenumbers import 
phonenumbers 

Output

Looking 	in 	indexes: 	https://pypi.org/simple, https://us-python.pkg.dev/colabwheels/public/simple/ 
Collecting phonenumbers 
  Downloading phonenumbers-8.13.11-py2.py3-none-any.whl (2.6 MB) 
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 2.6/2.6 
MB 37.6 MB/s eta 0:00:00 
Installing collected packages: phonenumbers 
Successfully installed phonenumbers-8.13.11 

Parsing Phone Numbers

One of the main tasks of the phonenumbers module is to parse phone numbers from various string representations. The parse() function provided by this module can intelligently interpret and parse phone numbers regardless of whether they have country codes, dashes or spaces. The parsed phone number object contains useful information such as country code, national number, extensions, etc.

The Chinese translation of

Example

is:

Example

import phonenumbers 
 
# Parse a phone number 
number = "+14155552671" 
parsed_number = phonenumbers.parse(number, None) 
 
# Accessing  parsed information 
print(parsed_number.country_code)  #    Output:         1 
print(parsed_number.national_number)  # Output:4155552671 
print(parsed_number.extension)  # Output: None 

Output

1 
4155552671 
None 

Phone number verification

Validating phone numbers is crucial to ensure that they adhere to the correct format and are potentially reachable. The phonenumbers module provides various validation methods to check if a phone number is valid or possible. The is_valid_number() function determines if the phone number is valid based on its syntax and structure. On the other hand, the is_possible_number() function checks if the phone number is potentially valid, meaning it has a valid country code but may not necessarily conform to all the rules for a valid number.

The Chinese translation of

Example

is:

Example

import phonenumbers 
 
# Validate phone numbers 
valid_number = "+14155552671" 
invalid_number = "+1234567890" 
 
print(phonenumbers.is_valid_number(phonenumbers.parse(valid_number)))  # Output: True 
print(phonenumbers.is_valid_number(phonenumbers.parse(invalid_number))) # Output: False 
 
print(phonenumbers.is_possible_number(phonenumbers.parse(valid_number)))  # Output: True 
print(phonenumbers.is_possible_number(phonenumbers.parse(invalid_number))) # 
Output: True 

Output

True 
False 
True 
False 

Format phone number

It is important to format phone numbers consistently and uniformly before displaying them to people or saving them in a database. To ensure that phone numbers are displayed in an appropriate manner, the phonenumbers module provides a variety of formatting options.

You can use the format_number() method to format the parsed phone number in multiple styles, including international format, domestic format, and E.164 format. The domestic format provides only domestically important numbers and does not include the country code, while the international format also includes the country code. The E.164 format includes country codes and important domestic numbers. This is a standardized format that does not use any formatting symbols.

The Chinese translation of

Example

is:

Example

import phonenumbers 
 
# Format phone numbers 
parsed_number =phonenumbers.parse("+14155552671") 
 
# Format as international formatprint(phonenumbers.format_number(parsed_number, phonenumbers.PhoneNumberFormat.INTERNATIONAL)) 
 
# Format as national format 
print(phonenumbers.format_number(parsed_number, phonenumbers.PhoneNumberFormat.NATIONAL)) 
 
# Format as E.164 format 
print(phonenumbers.format_number(parsed_number, phonenumbers.PhoneNumberFormat.E164)) 

Output

+1 415-555-2671 
(415) 555-2671 
+14155552671 

Extract information from phone number

You can use the phonenumbers module to collect important data from phone numbers. For example, you can use the geocoder module, a phonenumbers submodule, to determine the location of phone numbers. This feature is very helpful in applications when you need to know which country, region or operator a phone number belongs to.

The Chinese translation of

Example

is:

Example

import phonenumbers 
from phonenumbers import geocoder 
 
# Parse a phone number number = "+14155552671" 
parsed_number = phonenumbers.parse(number, None) 
 
# Retrieve the geographic information location = geocoder.description_for_number(parsed_number, "en")
 print(location)  # Output: United States 

Output

San Francisco, CA 

Advanced Usage: Geocoding and Carrier Lookup

You can learn more about phone numbers with the phonenumbers module's advanced features like carrier lookup and geocoding. The geocoding submodule provides tools to locate the country, region, and carrier to which a phone number belongs.

You can use the functionality of the Operator submodule to find the operator or service provider of a phone number. Applications that require carrier-specific functionality or need to verify carrier data may find this convenient.

The Chinese translation of

Example

is:

Example

import phonenumbers 
from phonenumbers import geocoder, carrier 
 
# Parse a phone number 
number = "+14155552671" 
parsed_number = phonenumbers.parse(number, None) 
 
# Retrieve the carrier information 
carrier_name = carrier.name_for_number(parsed_number, "en") 
print(carrier_name)  # Output: AT&T Mobility 
 
# Retrieve the geographic information 
location = geocoder.description_for_number(parsed_number, "en")
 print(location)  # Output: United States 

Output

‘***’ # cannot be disclosed 
San Francisco, CA 

Handling international phone numbers

The phonenumbers module also provides functionality for handling international phone numbers. It allows you to determine the region or country of a phone number and format it according to the conventions of that region. This is especially useful when dealing with phone numbers from different countries.

The Chinese translation of

Example

is:

Example

import phonenumbers 
 
# Parse a phone number 
number = "+353876543210"
parsed_number = phonenumbers.parse(number, None) 
 
# Get the region information region = phonenumbers.region_code_for_number(parsed_number) 
print(region)  # 

Output

IE

Customization and localization

Python’s phonenumbers module offers customization possibilities to meet unique needs. You can change the way a module behaves by creating new information or importing location-specific metadata. This enables you to manage phone numbers that regular metadata might not be able to handle. You can extend the functionality of the module to support special phone number formats or numbering plans by providing additional information.

Additionally, the phonenumbers module supports localization, allowing you to display phone numbers in different languages ​​and formats. You can specify the desired language when formatting a phone number, ensuring that the output conforms to the conventions of the specified language. This localization feature is particularly useful in applications with a global user base, as it enhances the user experience by presenting phone numbers in a format that is familiar and appropriate for each region.

Best Practices and Considerations

Privacy and security issues need to be considered when handling sensitive user data. Comply with applicable data protection regulations and take appropriate steps to protect telephone numbers. Take necessary protective measures to protect phone number information from misuse or unauthorized access.

in conclusion

The phonenumbers module in Python is a powerful and convenient tool for parsing, validating, formatting and managing phone numbers. It has a wide range of capabilities, including parsing phone numbers in different formats, validating their correctness, and performing advanced operations such as geocoding and carrier lookup, making it a valuable asset for applications that deal with phone numbers. With support for international phone numbers, customization options and localization capabilities, the phonenumbers module provides a comprehensive solution for phone number management. By leveraging this module, developers can ensure accurate and consistent handling of phone numbers in their Python projects, enhancing functionality, user experience, and data integrity.

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