135 lines
4.4 KiB
Python
135 lines
4.4 KiB
Python
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import io as cStringIO
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import sys, os
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import time
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import re
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import glob
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from collections import defaultdict
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from os.path import dirname
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from subprocess import Popen, PIPE
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def create_all(generated_dir, pymoldir="."):
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'''
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Generate various stuff
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'''
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create_shadertext(
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os.path.join(pymoldir, "data", "shaders"),
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generated_dir,
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os.path.join(generated_dir, "ShaderText.h"),
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os.path.join(generated_dir, "ShaderText.cpp"))
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create_buildinfo(generated_dir, pymoldir)
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class openw(object):
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"""
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File-like object for writing files. File is actually only
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written if the content changed.
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"""
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def __init__(self, filename):
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if os.path.exists(filename):
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self.out = cStringIO.StringIO()
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self.filename = filename
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else:
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os.makedirs(os.path.dirname(filename), exist_ok=True)
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self.out = open(filename, "w")
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self.filename = None
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def close(self):
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if self.out.closed:
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return
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if self.filename:
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with open(self.filename) as handle:
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oldcontents = handle.read()
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newcontents = self.out.getvalue()
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if oldcontents != newcontents:
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self.out = open(self.filename, "w")
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self.out.write(newcontents)
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self.out.close()
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def __getattr__(self, name):
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return getattr(self.out, name)
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def __enter__(self):
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return self
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def __exit__(self, *a, **k):
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self.close()
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def __del__(self):
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self.close()
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def create_shadertext(shaderdir, shaderdir2, outputheader, outputfile):
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outputheader = openw(outputheader)
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outputfile = openw(outputfile)
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include_deps = defaultdict(set)
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ifdef_deps = defaultdict(set)
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# get all *.gs *.vs *.fs *.shared from the two input directories
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shaderfiles = set()
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for sdir in [shaderdir, shaderdir2]:
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for ext in ['gs', 'vs', 'fs', 'shared', 'tsc', 'tse']:
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shaderfiles.update(map(os.path.basename,
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sorted(glob.glob(os.path.join(sdir, '*.' + ext)))))
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varname = '_shader_cache_raw'
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outputheader.write('extern const char * %s[];\n' % varname)
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outputfile.write('const char * %s[] = {\n' % varname)
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for filename in sorted(shaderfiles):
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shaderfile = os.path.join(shaderdir, filename)
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if not os.path.exists(shaderfile):
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shaderfile = os.path.join(shaderdir2, filename)
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with open(shaderfile, 'r') as handle:
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contents = handle.read()
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if True:
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outputfile.write('"%s", ""\n' % (filename))
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for line in contents.splitlines():
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line = line.strip()
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# skip blank lines and obvious comments
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if not line or line.startswith('//') and not '*/' in line:
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continue
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# write line, quoted, escaped and with a line feed
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outputfile.write("\"%s\\n\"\n" % line.replace('\\', '\\\\').replace('"', r'\"'))
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# include and ifdef dependencies
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if line.startswith('#include'):
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include_deps[line.split()[1]].add(filename)
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elif line.startswith('#ifdef') or line.startswith('#ifndef'):
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ifdef_deps[line.split()[1]].add(filename)
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outputfile.write(',\n')
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outputfile.write('0};\n')
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# include and ifdef dependencies
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for varname, deps in [
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('_include_deps', include_deps),
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('_ifdef_deps', ifdef_deps)]:
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outputheader.write('extern const char * %s[];\n' % varname)
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outputfile.write('const char * %s[] = {\n' % varname)
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for name, itemdeps in deps.items():
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outputfile.write('"%s", "%s", 0,\n' % (name, '", "'.join(sorted(itemdeps))))
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outputfile.write('0};\n')
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outputheader.close()
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outputfile.close()
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def create_buildinfo(outputdir, pymoldir='.'):
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try:
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sha = Popen(['git', 'rev-parse', 'HEAD'], cwd=pymoldir,
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stdout=PIPE).stdout.read().strip().decode()
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except OSError:
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sha = ''
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with openw(os.path.join(outputdir, 'PyMOLBuildInfo.h')) as out:
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print('''
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#define _PyMOL_BUILD_DATE %d
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#define _PYMOL_BUILD_GIT_SHA "%s"
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''' % (time.time(), sha), file=out)
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if __name__ == "__main__":
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create_shadertext(*sys.argv[1:6])
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create_buildinfo(dirname(sys.argv[4]), dirname(dirname(sys.argv[1])))
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