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Workaround for OpenSCAD sometimes writing an empty STL file when it crashes.

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This commit is contained in:
Michael Schwarz 2014-12-21 19:10:49 +01:00
parent edaab74f68
commit 72eca42f2d
1 changed files with 11 additions and 2 deletions
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13
support/openscad/__main__.py
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@ -21,17 +21,26 @@ def main(in_path, out_path, deps_path):
temp_mk_path = os.path.join(temp_dir, 'mk')
temp_files_path = os.path.join(temp_dir, 'files')
_openscad(in_path, out_path, temp_deps_path)
# OpenSCAD requires the output file name to end in .stl
temp_stl_path = os.path.join(temp_dir, 'out.stl')
_openscad(in_path, temp_stl_path, temp_deps_path)
mk_content = '%:; echo "$@" >> {}'.format(util.bash_escape_string(temp_files_path))
# Use make to parse the dependency makefile written by OpenSCAD
util.write_file(temp_mk_path, mk_content.encode())
util.command(['make', '-s', '-B', '-f', temp_mk_path, '-f', temp_deps_path])
# All dependencies as paths relative to the project root.
deps = set(map(relpath, util.read_file(temp_files_path).decode().splitlines()))
ignored_files = set(map(relpath, [temp_deps_path, temp_mk_path, in_path, out_path]))
# Relative paths to all files that should not appear in the dependency makefile.
ignored_files = set(map(relpath, [in_path, temp_deps_path, temp_mk_path, temp_stl_path]))
# Write output files.
_write_dependencies(deps_path, relpath(out_path), deps - ignored_files)
os.rename(temp_stl_path, out_path)
try: