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39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
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# -*- coding: utf-8 -*-
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from __future__ import print_function, division
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import os
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import sys
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# Internal build script for generating debugging test .so size.
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# Usage:
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# python libsize.py file.so save.txt -- displays the size of file.so and, if save.txt exists, compares it to the
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# size in it, then overwrites save.txt with the new size for future runs.
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if len(sys.argv) != 3:
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sys.exit("Invalid arguments: usage: python libsize.py file.so save.txt")
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lib = sys.argv[1]
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save = sys.argv[2]
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if not os.path.exists(lib):
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sys.exit("Error: requested file ({}) does not exist".format(lib))
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libsize = os.path.getsize(lib)
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print("------", os.path.basename(lib), "file size:", libsize, end="")
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if os.path.exists(save):
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with open(save) as sf:
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oldsize = int(sf.readline())
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if oldsize > 0:
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change = libsize - oldsize
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if change == 0:
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print(" (no change)")
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else:
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print(" (change of {:+} bytes = {:+.2%})".format(change, change / oldsize))
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else:
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print()
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with open(save, "w") as sf:
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sf.write(str(libsize))
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