asq

asq is a Python package for specifying and performing efficient queries over collections of Python objects using a fluent interface. It is licensed under the MIT License

Contents

Front Matter

• Copyright
• Official Website
• License

Narrative Documentation

Read this to learn how to use asq.

• asq Introduction
• Installing asq
• Diving in
  • Initiators
  • When is the query evaluated?
  • Query chaining
  • Query nesting
  • Selectors
    • Lambdas
    • Functions
    • Unbound methods
    • Bound methods
    • Selector factories
    • Default selectors and the identity selector
  • Predicates
    • Lambdas
    • Functions
    • Unbound methods
    • Bound methods
    • Predicate factories
    • Predicate combinator factories
    • Using selector factories for predicates
  • Comparers
  • Records
  • Debugging
  • Extending asq

Reference Documentation

Descriptions and examples for every public function, class and method in asq.

• API Reference
  • asq
    • asq.initiators
    • asq.queryables
      • asq.queryables.Queryable
      • asq.queryables.OrderedQueryable
      • asq.queryables.Lookup
      • asq.queryables.Grouping
    • asq.selectors
      • Selectors
      • Selector factories
    • asq.predicates
      • Predicate factories
      • Predicate combinators
    • asq.record
      • asq.record.Record
      • asq.record.new
    • asq.namedelements
      • asq.namedelements.IndexedElement
      • asq.namedelements.KeyedElement
    • asq.extension
• Differences from LINQ
  • Embedded Domain Specific Language
  • let bindings
  • Extension methods
  • Overloading
  • Equality comparers
  • Style changes
  • Specific naming changes
  • Selector and predicate factories
  • Execution engine
  • Pythonic behaviour
    • Container creation
    • Special methods
• Frequently Asked Questions
  • Where are map(), filter() and reduce()?
  • Where are fold(), foldl() and foldr()?
  • Wouldn’t generators be a better name for what asq calls initiators?
  • How do I pronounce asq?
  • Where does the name asq come from?

Detailed Change History

• Changes
  • asq v.next
  • asq 1.3
  • asq 1.2.1
  • asq 1.2
  • asq 1.1
  • asq 1.0

Samples

More complex examples of non-trivial usage of asq:

• Samples
  • Mandelbrot

Indices and tables

• Index
• Module Index
• Search Page