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# Copyright (c) 2023, Manfred Moitzi
# License: MIT License
from typing import Optional, Iterable
from ezdxf.lldxf.tags import Tags
from ezdxf.lldxf.tagger import tag_compiler
from ezdxf.tools.rawloader import raw_structure_loader
from ezdxf.tools.difftags import diff_tags, print_diff, OpCode
FILE1 = r"C:\Users\mozman\Desktop\Outbox\906_polylines.dxf"
FILE2 = r"C:\Users\mozman\Desktop\Outbox\906_copy.dxf"
def get_handle(tags: Tags):
try:
return tags.get_handle()
except ValueError:
return "0"
def cmp_section(sec1, sec2):
for e1 in sec1:
handle = get_handle(e1)
if handle is None or handle == "0":
continue
e2 = entity_tags(sec2, handle)
if e2 is None:
print(f"entity handle #{handle} not found in second file")
continue
e1 = Tags(tag_compiler(iter(e1)))
a, b = e2, e1
diff = list(diff_tags(a, b, ndigits=6))
has_diff = any(op.opcode != OpCode.equal for op in diff)
if has_diff:
print("-"*79)
print(f"comparing {e1.dxftype()}(#{handle})")
print_diff(a, b, diff)
def cmp_dxf_files(filename1: str, filename2: str):
doc1 = raw_structure_loader(filename1)
doc2 = raw_structure_loader(filename2)
for section in ["TABLES", "BLOCKS", "ENTITIES", "OBJECTS"]:
cmp_section(doc1[section], doc2[section])
def entity_tags(entities: Iterable[Tags], handle: str) -> Optional[Tags]:
for e in entities:
if get_handle(e) == handle:
return Tags(tag_compiler(iter(e)))
return None
if __name__ == "__main__":
cmp_dxf_files(FILE1, FILE2)
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