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Modular bindings: don't always generate compat ns3.py, only when needed

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This commit is contained in:
Gustavo J. A. M. Carneiro
2011-03-28 15:31:13 +01:00
parent 38e2f863c9
commit f24bd64139
1 changed files with 7 additions and 8 deletions
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15
bindings/python/wscript
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@@ -571,18 +571,14 @@ class python_scan_task_collector(Task.TaskBase):
class gen_ns3_compat_pymod_task(Task.TaskBase):
class gen_ns3_compat_pymod_task(Task.Task):
"""Generates a 'ns3.py' compatibility module."""
before = 'cc cxx gchx'
color = 'BLUE'
def __init__(self, bld, output_file):
self.bld = bld
self.output_file = output_file
super(gen_ns3_compat_pymod_task, self).__init__(generator=self)
def run(self):
outfile = file(self.output_file, "w")
assert len(self.outputs) == 1
outfile = file(self.outputs[0].abspath(self.env), "w")
print >> outfile, "import warnings"
print >> outfile, 'warnings.warn("the ns3 module is a compatibility layer '\
'and should not be used in newly written code", DeprecationWarning, stacklevel=2)'
@@ -766,4 +762,7 @@ def build(bld):
target='ns3/__init__.py')
if env['ENABLE_PYTHON_BINDINGS'] and env['BINDINGS_TYPE'] in ('modular',):
gen = gen_ns3_compat_pymod_task(bld, bld.path.find_or_declare("ns3.py").bldpath(bld.env))
task = gen_ns3_compat_pymod_task(env)
task.set_outputs(bld.path.find_or_declare("ns3.py"))
task.dep_vars = ['PYTHON_MODULES_BUILT']