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4.10 Build Factories

Each Builder is equipped with a “build factory”, which is responsible for producing the actual Build objects that perform each build. This factory is created in the configuration file, and attached to a Builder through the factory element of its dictionary.

The standard BuildFactory object creates Build objects by default. These Builds will each execute a collection of BuildSteps in a fixed sequence. Each step can affect the results of the build, but in general there is little intelligence to tie the different steps together.

The steps used by these builds are all subclasses of BuildStep. The standard ones provided with Buildbot are documented later, See Build Steps. You can also write your own subclasses to use in builds.

The basic behavior for a BuildStep is to: