ForgePatch/fml/applypatches.py

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import sys
import os, os.path, shutil
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import commands
import fnmatch
import re
import subprocess, shlex
def cmdsplit(args):
if os.sep == '\\':
args = args.replace('\\', '\\\\')
return shlex.split(args)
def main():
print("Applying patches")
sys.stdout.flush()
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patches = os.path.abspath(sys.argv[1])
work = os.path.normpath(sys.argv[2])
mcp = os.path.normpath(sys.argv[3])
temp = os.path.abspath('temp.patch')
cmd = cmdsplit('patch -p2 -i "%s" ' % temp)
display = True
if os.name == 'nt':
mcp = os.path.abspath(os.path.join(mcp, 'runtime', 'bin', 'applydiff.exe'))
cmd = cmdsplit('"%s" -uf -p2 -i "%s"' % (mcp, temp))
display = False
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for path, _, filelist in os.walk(patches, followlinks=True):
for cur_file in fnmatch.filter(filelist, '*.patch'):
patch_file = os.path.normpath(os.path.join(patches, path[len(patches)+1:], cur_file))
if display:
print 'patching file %s' % os.path.join(path[len(patches)+1:], cur_file)
normaliselines(patch_file, temp)
process = subprocess.Popen(cmd, cwd=work, bufsize=-1)
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process.communicate()
if os.path.isfile(temp):
os.remove(temp)
#Taken from MCP
def normaliselines(in_filename, out_filename=None):
in_filename = os.path.normpath(in_filename)
if out_filename is None:
tmp_filename = in_filename + '.tmp'
else:
out_filename = os.path.normpath(out_filename)
tmp_filename = out_filename
dir_name = os.path.dirname(out_filename)
if dir_name:
if not os.path.exists(dir_name):
os.makedirs(dir_name)
regex_ending = re.compile(r'\r?\n')
with open(in_filename, 'rb') as in_file:
with open(tmp_filename, 'wb') as out_file:
buf = in_file.read()
if os.linesep == '\r\n':
buf = regex_ending.sub(r'\r\n', buf)
else:
buf = buf.replace('\r\n', '\n')
out_file.write(buf)
if out_filename is None:
shutil.move(tmp_filename, in_filename)
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if __name__ == '__main__':
main()