OpenDroneMap-WebODM/coreplugins/cesiumion/model_tools.py

72 wiersze
2.2 KiB
Python
Czysty Zwykły widok Historia

from os import path, mkdir, walk, remove as removeFile
from zipfile import ZipFile, ZIP_DEFLATED
from shutil import rmtree
from tempfile import mkdtemp
DELETE_EXTENSIONS = (".conf", ".vec", ".spt")
OBJ_FILE_EXTENSION = ".obj"
MTL_FILE_EXTENSION = ".mtl"
2019-07-16 17:40:30 +00:00
class IonInvalidZip(Exception):
pass
def file_walk(directory):
for root, _, file_names in walk(directory):
for file_name in file_names:
yield path.join(root, file_name)
def zip_dir(zip_name, directory, destructive=False):
with ZipFile(zip_name, mode="w", compression=ZIP_DEFLATED) as zipfile:
for file_path in file_walk(directory):
relpath = path.relpath(file_path, directory)
zipfile.write(file_path, relpath)
if destructive:
removeFile(file_path)
def to_ion_texture_model(texture_model_path, dest_directory=None, minimize_space=True):
is_tmp = False
if dest_directory is None:
is_tmp = True
dest_directory = mkdtemp()
dest_file = path.join(dest_directory, path.basename(texture_model_path))
try:
unzip_dir = path.join(dest_directory, "_tmp")
mkdir(unzip_dir)
with ZipFile(texture_model_path) as zipfile:
zipfile.extractall(unzip_dir)
files_to_delete = set()
found_geo = False
for file_name in file_walk(unzip_dir):
if file_name.endswith(DELETE_EXTENSIONS):
files_to_delete.add(file_name)
2019-07-16 17:40:30 +00:00
elif file_name.endswith(".obj"):
if "_geo" in path.basename(file_name):
found_geo = True
else:
file_name = path.splitext(file_name)[0]
files_to_delete.add(file_name + OBJ_FILE_EXTENSION)
files_to_delete.add(file_name + MTL_FILE_EXTENSION)
if not found_geo:
2019-07-16 17:40:30 +00:00
raise IonInvalidZip("Unable to find geo file")
for file_name in files_to_delete:
if not path.isfile(file_name):
continue
removeFile(file_name)
zip_dir(dest_file, unzip_dir, destructive=minimize_space)
rmtree(unzip_dir)
except Exception as e:
if is_tmp:
rmtree(dest_directory)
raise e
return dest_file, dest_directory