mirror of
https://github.com/SinTan1729/random.git
synced 2024-12-26 05:08:36 -06:00
76 lines
2.3 KiB
Python
76 lines
2.3 KiB
Python
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#!/bin/env python3
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# This is a script to update checksums for sources in lure build scripts
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# This is a crude analog for updpkgsums for PKGBUILD files
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# The script assumed that matching sources* and checksums* lines are already there
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import os
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import re
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import subprocess
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import time
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# Check if the build script exists
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if not os.path.isfile('lure.sh'):
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print("Couldn't find a lure.sh file in the current directory.")
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exit(1)
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with open('lure.sh', 'r') as script_file:
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script = script_file.readlines()
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vars = {}
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for line in script:
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if '=' not in line or '\t' in line:
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continue
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var, val = line.strip('\n').split('=')
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vars[var] = val.strip('""').strip("''")
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for src_type in [k for k in vars.keys() if "sources" in k]:
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suffix = src_type.split('_')[1]
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if suffix != "":
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suffix = "_"+suffix
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# Read all the links
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links = [link.strip('""').strip("''")
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for link in vars[src_type].strip('()').split()]
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# Get the old sums
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old_sums = vars["checksums"+suffix].strip('()').split()
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old_sums = [sum.strip('""').strip("''") for sum in old_sums]
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checksums = []
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for i, link in enumerate(links):
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if old_sums[i] == 'SKIP':
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checksums.append('SKIP')
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continue
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# Try to do variable expansions (works up to one level, should be enough)
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to_replace = list(set(re.findall('(\${.+?})', link)))
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for str in to_replace:
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str_clean = str.strip('${}')
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link = link.replace(str, vars[str_clean])
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filename = subprocess.run(
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['curl', '-sLO', '-w', '%{filename_effective}', link], stdout=subprocess.PIPE)
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filename = filename.stdout.decode('utf-8')
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checksum = subprocess.run(
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['sha256sum', filename], stdout=subprocess.PIPE)
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checksum = checksum.stdout.decode('utf-8').split()[0]
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checksums.append(checksum)
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# Build the output line
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sum_out = "checksums"+suffix+"=('"+"' '".join(checksums)+"')\n"
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for i, line in enumerate(script):
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if "checksums"+suffix in line:
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script[i] = sum_out
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print("Updated checksums for "+suffix[1:]+" sources")
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timestamp = "{}".format(int(time.time()))
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with open(timestamp, 'w') as tempfile:
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tempfile.writelines(script)
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os.rename('lure.sh', "lure-"+timestamp+".sh")
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os.rename(timestamp, 'lure.sh')
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print("Done!")
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