Package SCons :: Module Environment

Module Environment

SCons.Environment

Base class for construction Environments.  These are
the primary objects used to communicate dependency and
construction information to the build engine.

Keyword arguments supplied when the construction Environment
is created are construction variables used to initialize the
Environment

Classes

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_Null

_null

MethodWrapper
A generic Wrapper class that associates a method (which can actually be any callable) with an object.

BuilderWrapper
A MethodWrapper subclass that that associates an environment with a Builder.

BuilderDict
This is a dictionary-like class used by an Environment to hold the Builders.

SubstitutionEnvironment
Base class for different flavors of construction environments.

Base
Base class for "real" construction Environments.

OverrideEnvironment
A proxy that overrides variables in a wrapped construction environment by returning values from an overrides dictionary in preference to values from the underlying subject environment.

Environment
Base class for "real" construction Environments.

Functions

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alias_builder(env, target, source)

source code

apply_tools(env, tools, toolpath)

source code

copy_non_reserved_keywords(dict)

source code

_set_reserved(env, key, value)

source code

_set_future_reserved(env, key, value)

source code

_set_BUILDERS(env, key, value)

source code

_del_SCANNERS(env, key)

source code

_set_SCANNERS(env, key, value)

source code

_delete_duplicates(l, keep_last)
Delete duplicates from a sequence, keeping the first or last.

source code

is_valid_construction_var(varstr)
Return if the specified string is a legitimate construction variable.

source code

default_decide_source(dependency, target, prev_ni)

source code

default_decide_target(dependency, target, prev_ni)

source code

default_copy_from_cache(src, dst)

source code

NoSubstitutionProxy(subject)

source code

Variables

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__revision__ = 'src/engine/SCons/Environment.py 5023 2010/06/1...

_warn_copy_deprecated = True

_warn_source_signatures_deprecated = True

_warn_target_signatures_deprecated = True

CleanTargets = {}

CalculatorArgs = {}

AliasBuilder = SCons.Builder.Builder(action= alias_builder, ta...

reserved_construction_var_names = ['CHANGED_SOURCES', 'CHANGED...

future_reserved_construction_var_names = []

_is_valid_var = re.compile(r'[_a-zA-Z]\w*$')

Variables Details

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revision

Value:

'src/engine/SCons/Environment.py 5023 2010/06/14 22:05:46 scons'

AliasBuilder

Value:

SCons.Builder.Builder(action= alias_builder, target_factory= SCons.Nod
e.Alias.default_ans.Alias, source_factory= SCons.Node.FS.Entry, multi=
 1, is_explicit= None, name= 'AliasBuilder')

reserved_construction_var_names

Value:

['CHANGED_SOURCES',
 'CHANGED_TARGETS',
 'SOURCE',
 'SOURCES',
 'TARGET',
 'TARGETS',
 'UNCHANGED_SOURCES',
 'UNCHANGED_TARGETS']