Python Interface to MAPL: Difference between revisions
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== GEOS-5 Application with Fortran Root Component == | == GEOS-5 Application with Fortran Root Component == | ||
In this example, the very top root component is implemented entirely in a shared library. | In this example of a GEOS-5 application written in Python, the very top root component is implemented entirely in a shared library. | ||
import MAPL | import MAPL | ||
if __name == "__main__": | if __name == "__main__": | ||
# Instantiate the root component | # Instantiate the root component | ||
# ------------------------------ | # ------------------------------ | ||
gcs = MAPL.GridComp(lib='/some/path/ | gcs = MAPL.GridComp(lib='/some/path/libGEOSgcs.so') | ||
# Instantiate MAPL | # Instantiate MAPL | ||
# ---------------- | # ---------------- | ||
mapl = MAPL(root=gcs) | mapl = MAPL(root=gcs) | ||
# Run the cap | # Run the cap | ||
# ----------- | # ----------- | ||
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== GEOS-5 Application with Python Root Component == | == GEOS-5 Application with Python Root Component == | ||
In this example, the very top root component is implemented in Python. | In this example, the very top root component is now implemented in Python. | ||
import MAPL | import MAPL | ||
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if __name == "__main__": | if __name == "__main__": | ||
# Instantiate the Python root component | # Instantiate the Python root component | ||
# ------------------------------------- | # ------------------------------------- | ||
gcs = GEOSgcs(rc='gcs.rc') | gcs = GEOSgcs(rc='gcs.rc') | ||
# Instantiate MAPL | # Instantiate MAPL | ||
# ---------------- | # ---------------- | ||
mapl = MAPL(root=gcs) | mapl = MAPL(root=gcs) | ||
# Run the cap | # Run the cap | ||
# ----------- | # ----------- | ||
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import MAPL | import MAPL | ||
class GridComp(MAPL.GridComp): | class GridComp(MAPL.GridComp): | ||
""" | """ | ||
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In this case we implement the standard '''Run()''' method, but inherit '''Initialize()''' and '''Finalize()''' from the base class '''MAPL.GridComp''' | In this case we implement the standard '''Run()''' method, but inherit '''Initialize()''' and '''Finalize()''' from the base class '''MAPL.GridComp''' | ||
def Run(self): | def Run(self,clock): | ||
""" | """ | ||
Implementation of a simple run method. | Implementation of a simple run method. | ||
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# Run the base class method | # Run the base class method | ||
# ------------------------- | # ------------------------- | ||
MAPL.GridComp.__Run__(self) | MAPL.GridComp.__Run__(self,clock) | ||
# Retrieve some data from a state | # Retrieve some data from a state | ||
# ------------------------------- | # ------------------------------- | ||
uwnd, vwnd, = self.Export.GetPointer(['UWND', 'VWND']) | uwnd, vwnd, = self.Export.GetPointer(['UWND', 'VWND']) | ||
# Print states | |||
# ------------ | |||
self.Internal.print() | |||
self.Import.print() | |||
sllf.Export.print() | |||
# Just print it | # Just print it | ||