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Make downloading more windows-friendly #2810

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merged 2 commits into from
Jan 23, 2024

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VasuAgrawal
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I ran into a few issues while running the various download commands on my Windows box. This diff attempts to remedy those issues. In no particular order:

  • Switching from os.system to subprocess.run calls, which have better handling of ' vs " and other shell escapes. In particular, the ' which were previously used (line 431) weren't working in CMD, which is used by os.system on my machine. They work fine in powershell, though.
  • Updated curl call to use -o flag to directly output to file, rather than going through IO redirection.
  • Updated all download functions to use unique temp directories, rather than sharing .temp. This allows multiple download jobs to run concurrently, since they're typically rate-limited by the upstream.
  • More informative error message for when there's more than 1 inner folder, though I haven't run into this issue since switching the temp folder names.

@@ -143,10 +144,10 @@ def download_capture_name(save_dir: Path, dataset_name: str, capture_name: str,
file_id_or_zip_url = capture_name_to_file_id[capture_name]
if file_id_or_zip_url.endswith(".zip"):
url = file_id_or_zip_url # zip url
target_path = str(save_dir / f"{dataset_name}/{capture_name}")
target_path = str(save_dir / f"{dataset_name}" / f"{capture_name}")
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Consider simplifying this and other similar changes:

Suggested change
target_path = str(save_dir / f"{dataset_name}" / f"{capture_name}")
target_path = str(save_dir / dataset_name / capture_name)

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Oops, midnight brain wasn't thinking too hard. I'll fix this.

@VasuAgrawal
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Fixed. Also rebased the changes to be on top of master again.

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lgtm, thanks @VasuAgrawal @cr333!!

@brentyi brentyi merged commit 7cc27da into nerfstudio-project:main Jan 23, 2024
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@VasuAgrawal VasuAgrawal deleted the vasu-windows-download branch January 25, 2024 15:13
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3 participants