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# Copyright (c) 2015-2022 Manfred Moitzi
# License: MIT License
import pathlib
import ezdxf
CWD = pathlib.Path("~/Desktop/Outbox").expanduser()
if not CWD.exists():
CWD = pathlib.Path(".")
# ------------------------------------------------------------------------------
# This example shows how to manage DXF entities as a GROUP.
# ------------------------------------------------------------------------------
def create_group():
doc = ezdxf.new("R2000")
msp = doc.modelspace()
# Create a new unnamed GROUP, in reality they have a name like '*Annnn' and
# group names have to be unique.
group = doc.groups.new()
# The group management is implemented as context manager, returning a
# standard Python list
with group.edit_data() as g:
# The group itself is not an entity-space, DXF entities has to be
# located in modelspace, paperspace or in a block.
g.append(msp.add_line((0, 0), (3, 0)))
g.append(msp.add_circle((0, 0), radius=2))
doc.saveas(CWD / "group.dxf")
def read_group():
doc = ezdxf.readfile(CWD / "group.dxf")
for name, group in doc.groups:
print(f"GROUP: {name}\n")
for entity in group:
print(f" ENTITY: {entity.dxftype()}")
if __name__ == "__main__":
create_group()
read_group()
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