def main():
c = mzi2x2()
h0 = c.hash_geometry()
gdspath1 = "{}.gds".format(c.name)
gdspath2 = "{}_2.gds".format(c.name)
gdspath3 = "{}_3.gds".format(c.name)
pp.write_gds(c, gdspath1)
c1 = pp.import_gds(gdspath1, overwrite_cache=True)
dh1 = hash_cells(c1, {}, dbg=True)
h1 = dh1[c1.name]
pp.write_gds(c1, gdspath2)
print(h0)
c2 = pp.import_gds(gdspath2, overwrite_cache=True)
dh2 = hash_cells(c2, {}, dbg=True)
h2 = dh2[c2.name]
pp.write_gds(c2, gdspath3)
c3 = pp.import_gds(gdspath3, overwrite_cache=True)
dh3 = hash_cells(c3, {}, dbg=True)
h3 = dh3[c3.name]
print(dh2)
print()
print()
print(dh3)
print()
print()
print(h1)
print(h2)
print(h3)
print()
print(gdspy.gdsii_hash(gdspath1))
print(gdspy.gdsii_hash(gdspath2))
print(gdspy.gdsii_hash(gdspath3))
def test_gdsii_hash(library, tmpdir):
out1 = str(tmpdir.join("test1.gds"))
out2 = str(tmpdir.join("test2.gds"))
library.write_gds(out1)
library.write_gds(out2,
timestamp=datetime.datetime.today() +
datetime.timedelta(1))
assert gdspy.gdsii_hash(out1) == gdspy.gdsii_hash(out2)
def compare_component_hash(
component_type,
component_type2factory=component_type2factory,
path_library=CONFIG["gdslib"],
path_test=CONFIG["gdslib_test"],
):
""" raises Exception if component has changed from the library
writes component if it does not exist
Args:
component_type:
path_library:
path_test:
"""
component_new = lock_component(
component_type,
component_type2factory=component_type2factory,
path_library=path_test,
)
component_new.name += "_new"
gdspath_new = path_test / (component_type + ".gds")
gdspath_library = path_library / (component_type + ".gds")
if not os.path.isfile(gdspath_library):
lock_component(
component_type=component_type,
component_type2factory=component_type2factory,
path_library=path_library,
)
print(f"writing new component {component_type} into {path_library}")
return
component_library = pp.load_component(component_name=component_type,
component_path=path_library)
component_library.name += "_lib"
gdshash_new = gdspy.gdsii_hash(gdspath_new)
gdshash_library = gdspy.gdsii_hash(gdspath_library)
# gdshash_new = component_library.hash_geometry()
# gdshash_library = component_new.hash_geometry()
same_hash = gdshash_new == gdshash_library
if not same_hash:
error_hash = f"`{component_library}` hash(GDS) {gdspath_new} differs from the library {gdspath_library}, showing both cells in Klayout \n"
error_settings = f"different settings: {diff(component_library.get_settings(), component_new.get_settings())}"
c = pp.Component(name=component_type)
c << component_new
c << component_library
pp.show(c)
print(error_hash + error_settings)
return same_hash
