63 lines
2.4 KiB
Python
63 lines
2.4 KiB
Python
import sys, os, shutil
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from lib import util, make
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def _asymptote(in_path, out_path, asymptote_dir, working_dir):
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args = [os.environ['ASYMPTOTE'], '-vv', '-f', 'pdf', '-o', out_path, in_path]
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with util.command_context(args, set_env={'ASYMPTOTE_DIR': asymptote_dir}, working_dir=working_dir, use_stderr=True) as process:
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def get_loaded_file(line):
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if any(line.startswith(j) for j in ['Loading ', 'Including ']):
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parts = line.rstrip('\n').split(' ')
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if len(parts) == 4:
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_, _, from_, path = parts
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if from_ == 'from':
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return path
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return None
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def iter_loaded_files():
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for i in process.stderr:
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loaded_file = get_loaded_file(i)
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if loaded_file is not None:
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yield loaded_file
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elif not any(i.startswith(j) for j in ['cd ', 'Using configuration ']):
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print >> sys.stderr, i,
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loaded_files = list(iter_loaded_files())
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return loaded_files
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@util.main
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def main(in_path, out_path):
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try:
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_, out_suffix = os.path.splitext(out_path)
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with util.TemporaryDirectory() as temp_dir:
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absolute_in_path = os.path.abspath(in_path)
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temp_out_path = os.path.join(temp_dir, 'out.pdf')
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# Asymptote creates A LOT of temp files (presumably when invoking
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# LaTeX) and leaves some of them behind. Thus we run asymptote
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# in a temporary directory.
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loaded_files = _asymptote(
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absolute_in_path,
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'out',
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os.path.dirname(absolute_in_path),
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temp_dir)
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if not os.path.exists(temp_out_path):
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raise util.UserError('Asymptote did not generate a PDF file.', in_path)
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# All dependencies as paths relative to the project root.
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dependencies = set(map(os.path.relpath, loaded_files))
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# Write output files.
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make.write_dependencies(out_path + '.d', out_path, dependencies - {in_path})
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shutil.copyfile(temp_out_path, out_path)
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except util.UserError as e:
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raise util.UserError('While processing {}: {}', in_path, e)
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