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| [project] | ||
| name = "pyperformance_bm_pypdf" | ||
| requires-python = ">=3.8" | ||
| dependencies = ["pyperf"] | ||
| urls = {repository = "https://github.com/python/pyperformance"} | ||
| dynamic = ["version"] | ||
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| [tool.pyperformance] | ||
| name = "pypdf" |
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| pypdf==4.2.0 |
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| """ | ||
| A simple pypdf benchmark. | ||
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| Adapted from pypdf's own benchmarks: | ||
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| https://github.com/py-pdf/pypdf/blob/main/tests/bench.py | ||
| """ | ||
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| import io | ||
| from pathlib import Path | ||
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| from pypdf import PdfReader, PdfWriter, Transformation | ||
| import pyperf | ||
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| DATA_DIR = Path(__file__).parent / "data" | ||
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| def page_ops(stream, password): | ||
| reader = PdfReader(stream) | ||
| writer = PdfWriter() | ||
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| if password: | ||
| reader.decrypt(password) | ||
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| page = reader.pages[0] | ||
| writer.add_page(page) | ||
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| op = Transformation().rotate(90).scale(1.2) | ||
| page.add_transformation(op) | ||
| page.merge_page(page) | ||
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| op = Transformation().scale(1).translate(tx=1, ty=1) | ||
| page.add_transformation(op) | ||
| page.merge_page(page) | ||
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| op = Transformation().rotate(90).scale(1).translate(tx=1, ty=1) | ||
| page.add_transformation(op) | ||
| page.merge_page(page) | ||
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| page.add_transformation((1, 0, 0, 0, 0, 0)) | ||
| page.scale(2, 2) | ||
| page.scale_by(0.5) | ||
| page.scale_to(100, 100) | ||
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| page = writer.pages[0] | ||
| page.compress_content_streams() | ||
| page.extract_text() | ||
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| def bench_page_ops(loops): | ||
| """ | ||
| Apply various page operations. | ||
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| Rotation, scaling, translation, content stream compression, text extraction | ||
| """ | ||
| content = (DATA_DIR / "libreoffice-writer-password.pdf").read_bytes() | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low QualityFWIW, GitHub says this is an invalid PDF file, though I'm sure it's fine. Also, it may be worth adding a note about where this file came from and what's in it, especially since it's a binary format.
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low QualityYeah, that's a good point. It's a password-protected PDF file, which is probably why Github doesn't like it. I just grabbed what pypdf was using -- we could choose something more deliberately.
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| stream = io.BytesIO(content) | ||
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| t0 = pyperf.perf_counter() | ||
| for _ in range(loops): | ||
| page_ops(stream, "openpassword") | ||
| return pyperf.perf_counter() - t0 | ||
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| BENCHMARKS = ("page_ops",) | ||
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| def add_cmdline_args(cmd, args): | ||
| if args.benchmark: | ||
| cmd.append(args.benchmark) | ||
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| if __name__ == "__main__": | ||
| runner = pyperf.Runner(add_cmdline_args=add_cmdline_args) | ||
| runner.metadata["description"] = "pypdf benchmark" | ||
| runner.argparser.add_argument("benchmark", nargs="?", choices=BENCHMARKS) | ||
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| args = runner.parse_args() | ||
| if args.benchmark: | ||
| benchmarks = (args.benchmark,) | ||
| else: | ||
| benchmarks = BENCHMARKS | ||
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| for bench in benchmarks: | ||
| name = f"pypdf_{bench}" | ||
| func = globals()[f"bench_{bench}"] | ||
| runner.bench_time_func(name, func) | ||
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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low QualityAssuming it makes sense to do so, could we contribute a change upstream to make their benchmarks compatible with pyperformance (and pull them in like we do for the pyston benchmarks), instead of landing a new benchmark here?
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