Function _getExternalEnv

v2/test/configuration.py:280–316

(name)

def _getExternalEnv(name):
    toolsetName = "__myDummyToolset__"

    t = BoostBuild.Tester(["toolset=%s" % toolsetName], pass_toolset=False,
        use_test_config=False)
    try:
        #   Prepare a dummy toolset so we do not get errors in case the default
        # one is not found.
        t.write(toolsetName + ".jam", """\
import feature ;
feature.extend toolset : %s ;
rule init ( ) { }
""" % toolsetName)

        # Python version of the same dummy toolset.
        t.write(toolsetName + ".py", """\
from b2.build import feature
feature.extend('toolset', ['%s'])
def init(): pass
""" % toolsetName)

        t.write("jamroot.jam", """\
import os ;
local names = [ MATCH ^---var-name---=(.*) : [ modules.peek : ARGV ] ] ;
for x in $(names)
{
    value = [ os.environ $(x) ] ;
    ECHO "###" $(x): '$(value)' "###" ;
}
""")

        t.run_build_system(["---var-name---=%s" % name])
        m = re.search("^### %s: '(.*)' ###$" % name, t.stdout(), re.MULTILINE)
        if m:
            return m.group(1)
    finally:
        t.cleanup()


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