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# coding=utf-8 |
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""" |
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Module to download additional data and resources that |
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are not included in releases via command line interface. |
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""" |
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import argparse |
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import os |
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from io import BytesIO |
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from urllib.request import urlopen |
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from zipfile import ZipFile |
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from deepreg import log |
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logger = log.get(__name__) |
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def download(dirs, output_dir="./", branch="main"): |
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""" |
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Downloads the files and directories from DeepReg into |
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`output_dir`, keeping only `dirs`. |
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:param dirs: the list of directories to save |
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:param output_dir: directory which we use as the root to save output |
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:param branch: The name of the branch from which we download the zip. |
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:return: void |
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""" |
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output_dir = os.path.abspath(output_dir) # Get the output directory. |
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if not os.path.exists(output_dir): |
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os.mkdir(output_dir) |
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logger.info("Will download folders: %s into %s.", dirs, output_dir) |
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zip_url = f"https://github.com/DeepRegNet/DeepReg/archive/{branch}.zip" |
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logger.info("Downloading archive from DeepReg repository %s.", zip_url) |
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response = urlopen(zip_url) # Download the zip. |
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logger.info("Downloaded archive. Extracting files.") |
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with ZipFile(BytesIO(response.read())) as zf: |
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pathnames = zf.namelist() |
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head = pathnames[0] |
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keepdirs = [ |
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os.path.join(head, d) for d in dirs |
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] # Find our folders to keep, based on what user specifies. |
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for pathname in pathnames: |
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if any(d in pathname for d in keepdirs): |
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info = zf.getinfo(pathname) |
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info.filename = info.filename.replace( |
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head, "" |
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) # Remove head directory from filepath |
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zf.extract(info, output_dir) |
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logger.info("Downloaded %s", info.filename) |
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def main(args=None): |
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""" |
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Entry point for downloading data. |
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:param args: |
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""" |
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parser = argparse.ArgumentParser() |
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parser.add_argument( |
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"--output_dir", |
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"-d", |
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dest="output_dir", |
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default="./", |
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help="All directories will be downloaded to the specified directory.", |
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) |
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parser.add_argument( |
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"--branch", |
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"-b", |
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dest="branch", |
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default="main", |
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help="The name of the branch to download.", |
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) |
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args = parser.parse_args(args) |
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dirs = [ |
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"config", |
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"data", |
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"demos", |
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] |
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download(dirs, args.output_dir, args.branch) |
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logger.info( |
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"Download complete. " |
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"Please refer to the DeepReg Quick Start guide for next steps." |
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) |
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if __name__ == "__main__": |
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main() # pragma: no cover |
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DeepRegNet /
DeepReg
