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mpv/TOOLS/file2string.py
wm4 ff9f5e06ff Revert "Port several python scripts to Perl"
This reverts commit fae7307931.

Before the waf build system was used, we had a configure script written
in shell. To drop the build dependency on Python, someone rewrote the
Python scripts we had to Perl. Now the shell configure script is gone,
and it makes no sense to have a build dependency on both Perl and
Python.

This isn't just a straight revert. It adds the new Matroska EBML
elements to the old Python scripts, adjusts the waf build system, and of
course doesn't add anything back needed by the old build system.

It would be better if this used matroska.py/file2string.py directly by
importing them as modules, instead of calling them via "python". But for
now this is simpler.
2016-12-17 15:43:15 +01:00

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Python
Executable File

#!/usr/bin/env python
# Convert the contents of a file into a C string constant.
# Note that the compiler will implicitly add an extra 0 byte at the end
# of every string, so code using the string may need to remove that to get
# the exact contents of the original file.
import sys
# Indexing a byte string yields int on Python 3.x, and a str on Python 2.x
def pord(c):
return ord(c) if type(c) == str else c
def main(infile):
conv = ['\\' + ("%03o" % c) for c in range(256)]
safe_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" \
"0123456789!#%&'()*+,-./:;<=>?[]^_{|}~ "
for c in safe_chars:
conv[ord(c)] = c
for c, esc in ("\nn", "\tt", r"\\", '""'):
conv[ord(c)] = '\\' + esc
for line in infile:
sys.stdout.write('"' + ''.join(conv[pord(c)] for c in line) + '"\n')
with open(sys.argv[1], 'rb') as infile:
sys.stdout.write("// Generated from %s\n\n" % sys.argv[1])
main(infile)