Available libraries

The following table describes the available preinstalled Python libraries that SR OS provides.

Note: Libraries prefixed by the letter ‟u” are MicroPython-specific libraries. Importing to a script using the base name is typically possible; for example, import json imports ujson when running on an SR OS device.

Table: Available libraries
Library	Description
binutils	Collection of binary utilities
datetime	Manipulation of various formats for date, time, and time zone. The strptime function is not supported.
ubinascii	Bidirectional translation between binary data and various ASCII encodings
ujson	Conversion between Python objects and JSON data format
pysros	Model-driven management API for SR OS (Python for the Service Router Operating System – pySROS)
ucollections	Advanced collection and container types to hold or accumulate various objects
ure	Simple regular expressions
sys	System-specific parameters and functions
uhashlib	Binary data hashing algorithms
ustruct	Pack and unpack primitive data types
ipaddress	IPv4 and IPv6 address manipulation
uio	Input and output streams
utime	Obtain current date and time, measuring intervals, and delays. This function has been updated to provide support for SR OS and is documented in the API documentation.