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https://github.com/wb2osz/direwolf
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* Add new build config for Direwolf with Hamlib on Windows In parallel with the existing 64-bit Windows build, these changes add a new matrix config for the same build but including Hamlib as part of the build and package distribution. The resultant package zip file has "-hamlib" appended to the name to distinguish it from the standard Windows build. Installing Hamlib as a build dependency using a package manager isn't a viable option on Windows. Instead, we interrogate the GitHub release assets to find the latest 4.x release of Hamlib, download and expand the zip file for that release, and provide the path to the directory for CMake configuration. * Fix WIndows build errors * Include Hamlib license-related files in Windows Hamlib zip
100 lines
2.7 KiB
Python
100 lines
2.7 KiB
Python
#
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# This file is part of Dire Wolf, an amateur radio packet TNC.
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#
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# Copyright (C) 2025, Martin F N Cooper, KD6YAM
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#
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# Purpose: Download and unzip the latest 4.x release of Hamlib.
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#
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import json
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import pathlib
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import sys
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import urllib.request
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import zipfile
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#
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# Step 1: Obtain target directory from the command line.
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#
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if len(sys.argv) != 2:
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print('Usage: python hamlib_download.py <target-directory>')
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exit(1)
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target_dir = pathlib.Path(sys.argv[1])
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#
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# Step 2: Identify the latest 4.x release.
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#
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# We do not want the latest release per se, since that could be a later major
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# version with an incompatible API. Thus we need to identify the latest 4.x
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# release. We do that by querying GitHub for data on all of the releases and
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# finding the tag with the greatest 4.x value.
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#
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# For information on the relevant GitHub JSON API, see:
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# https://docs.github.com/en/rest/releases/releases?apiVersion=2022-11-28#list-releases-for-a-repository
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#
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# Download the release data
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LIST_RELEASES_URL = 'https://api.github.com/repos/Hamlib/Hamlib/releases'
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GITHUB_API_HEADERS = {
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'Accept': 'application/vnd.github+json',
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'X-GitHub-Api-Version': '2022-11-28'
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}
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req = urllib.request.Request(LIST_RELEASES_URL, headers=GITHUB_API_HEADERS)
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with urllib.request.urlopen(req) as f:
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data = json.loads(f.read())
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# Find the latest 4.x release, by tag
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tags = [r['tag_name'] for r in data]
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version = next(reversed(sorted([t for t in tags if t.startswith('4.')])))
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release = [r for r in data if r['tag_name'] == version][0]
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#
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# Step 3: Identify the URL for the Windows zip file.
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#
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# Most Hamlib release files include the version number in the filename, so to
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# find the URL with which to download the zip file, we need to construct the
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# filename based on the version number. Then we use the filename to look up
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# the corresponding asset in the downloaded JSON data, and locate what is
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# known as the "browser download URL".
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#
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zipfile_root = f'hamlib-w64-{version}'
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zipfile_name = f'{zipfile_root}.zip'
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asset = [a for a in release['assets'] if a['name'] == zipfile_name][0]
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download_url = asset['browser_download_url']
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#
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# Step 4: Download and unzip the release.
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#
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target_dir.mkdir(parents=True, exist_ok=True)
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target_file = target_dir / zipfile_name
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urllib.request.urlretrieve(download_url, target_file)
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zip_file = zipfile.ZipFile(target_file)
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zip_file.extractall(target_dir)
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#
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# Step 5: Rename the top level directory.
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#
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# The zip file structure has a top level directory that has the same name as
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# the zip file itself, thus including the version number. We rename that
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# directory to simply 'hamlib' to avoid the need for the version number to be
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# known outside this script.
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#
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orig_dir = target_dir / zipfile_root
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norm_dir = target_dir / 'hamlib'
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orig_dir.rename(norm_dir)
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#
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# End
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#
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