Utilities

General Infrastructure

• Default Settings
• Functional notation
• Random Number States
• Random Numbers with Python API
• The Unknown truth value

Programming Utilities

Special Base Classes, Decorators, etc.

• Abstract methods
• Bindable classes
• Decorators
• Constant functions
• Special Methods for Classes
• Metaclass for inheriting comparison functions
• Base Class to Support Method Decorators
• Multiplex calls to one object to calls to many objects
• Fast methods via Cython
• Attribute and method calling

Lists and Iteration, etc.

• Callable dictionaries
• Converting Dictionary
• Flatten nested lists
• Searching a sorted list
• Multidimensional enumeration
• multi_replace
• Threaded map function
• Ranges and the [1,2,..,n] notation
• Elements with labels.

File and OS Access

• Temporary file handling
• get_remote_file
• Message delivery
• Miscellaneous operating system functions

Database Access

• Relational (sqlite) Databases Module

Media

• Wrapper for Graphics Files
• Work with WAV files

Warnings

• Stopgaps
• Handling Superseded Functionality

Miscellaneous Useful Functions

• Miscellaneous functions
• Miscellaneous functions (Cython)
• Verbosity System and Logging in SageMath

Laziness

• Lazy attributes
• Lazy format strings
• Lazy imports
• Lazy import cache
• Lazy lists
• Lazy strings

Caching

• Cached Functions and Methods
• Fast and safe weak value dictionary

Fast Expression Evaluation

• Fast Expression Evaluation
• Fast Numerical Evaluation

Code Evaluation

• Cython support functions
• Fortran compiler
• A parser for symbolic equations and expressions
• Evaluating Python code without any preparsing
• Evaluating a String in Sage
• Evaluating shell scripts

Formatted Output

Formatted Output

• Symbols for Character Art
• Base Class for Character-Based Art
• Factory for Character-Based Art
• ASCII Art
• Unicode Art
• Repr formatting support
• Sage Input Formatting
• Tables

HTML and MathML

• HTML Fragments
• MathML output support

LaTeX

• Installing and using SageTeX
• LaTeX printing support
• LaTeX macros

Saving and Loading Sage Objects

• Support for persistent functions in .sage files
• Object persistence
• Function pickling
• A tool for inspecting Python pickles
• Fixing pickle for nested classes
• Loading and saving sessions and listing all variables

Interactive Usage Support

Interactive Sage Sessions

• SageMath version and banner info
• Interpreter reset
• Determination of programs for viewing web pages, etc.
• Pager for showing strings
• Format Sage documentation for viewing with IPython and the notebook
• Process docstrings with Sphinx

Distribution

• Listing Sage packages
• Installing shortcut scripts
• Testing for features of the environment at runtime
• Checks for bliss
• Testing for CSDP at runtime
• Testing for databases at runtime
• Checks for FES
• Check for GAP features
• Check various graph generator programs
• Check for lrs

Credits

• Dependency usage tracking for citations
• License

Development Tools

Testing

• Unit testing for Sage objects
• Random testing
• Test for nested class Parent

Benchmarking and Profiling

• Benchmarks
• Accurate timing information for Sage commands
• The timeit command
• Simple profiling tool
• C Function Profiler Using Google Perftools

Miscellaneous Inspection and Development Tools

• Dynamic documentation for instances of classes
• Inspect Python, Sage, and Cython objects
• Edit the source code of Sage interactively
• Get resource usage of process
• Class inheritance graphs
• Some tools for developers
• Function Mangling
• ReST index of functions

Low-Level Utilities

• Low-level memory allocation functions
• The C3 algorithm
• The C3 algorithm, under control of a total order

Indices and Tables

• Index

• Module Index

• Search Page