diff options
Diffstat (limited to 'scss/src/scanner.py')
| -rw-r--r-- | scss/src/scanner.py | 60 |
1 files changed, 38 insertions, 22 deletions
diff --git a/scss/src/scanner.py b/scss/src/scanner.py index 2c753b6..fb2659a 100644 --- a/scss/src/scanner.py +++ b/scss/src/scanner.py @@ -461,13 +461,26 @@ def _locate_blocks_b(codestr): ################################################################################ # Algorithm implemented in C: + try: from _scss import locate_blocks as _locate_blocks_c except ImportError: + _locate_blocks_c = None print >>sys.stderr, "Scanning acceleration disabled (_scss not found)!" ################################################################################ +# Algorithm implemented in C with CTypes: + + +try: + from _scss_c import locate_blocks as _locate_blocks_d +except ImportError: + _locate_blocks_d = None + print >>sys.stderr, "Scanning CTypes acceleration disabled (_scss_c not found)!" + + +################################################################################ codestr = """ @@ -504,40 +517,43 @@ however this is a selector ( """ verify = '\t----------------------------------------------------------------------\n\t>[1] \'simple\'\n\t----------------------------------------------------------------------\n\t>\t[3] \'block\'\n\t----------------------------------------------------------------------\n\t>[5] \'#{ignored}\'\n\t----------------------------------------------------------------------\n\t>[6] \'some,\\nselectors,\\nand multi-lined,\\nselectors\'\n\t----------------------------------------------------------------------\n\t>[10] \'with more\'\n\t----------------------------------------------------------------------\n\t>\t[12] \'the block in here\'\n\t----------------------------------------------------------------------\n\t>\t[13] \'can have, nested, selectors\'\n\t----------------------------------------------------------------------\n\t>\t\t[14] \'and properties in nested blocks\'\n\t----------------------------------------------------------------------\n\t>\t\t[15] \'and stuff with #{ ignored blocks }\'\n\t----------------------------------------------------------------------\n\t>\t[17] \'properties-can: "have strings with stuff like this: }"\'\n\t----------------------------------------------------------------------\n\t>[19] \'and other,\\nselectors\\ncan be turned into "lose"\\nproperties\'\n\t----------------------------------------------------------------------\n\t>[23] \'if no commas are found\\nhowever this is a selector (\\nas well as these things,\\nwhich are parameters\\nand can expand\\nany number of\\nlines)\'\n\t----------------------------------------------------------------------\n\t>\t[30] \'and this is its block\'\n' -locate_blocks = _locate_blocks_a - -def process_block(codestr, level=0, dump=False): +def process_block(locate_blocks, codestr, level=0, dump=False): ret = '' if dump else None for lineno, selprop, block in locate_blocks(codestr): if dump: ret += '\t%s\n\t>%s[%s] %s\n' % ('-' * 70, '\t' * level, lineno, repr(selprop)) if block: - _ret = process_block(block, level + 1, dump) + _ret = process_block(locate_blocks, block, level + 1, dump) if dump: ret += _ret return ret -@profile -def profile_process_block(codestr): - for q in xrange(10000): - process_block(codestr) - +def process_blocks(locate_blocks, codestr): + for q in xrange(50000): + process_block(locate_blocks, codestr) +profiled_process_blocks = profile(process_blocks) if __name__ == "__main__": codestr = load_string(codestr) - ret = process_block(codestr, dump=True) - print "This is what `%s()` returned:" % locate_blocks.__name__ - # print repr(ret) - print ret - assert ret == verify, 'It should be:\n%s' % verify - - start = datetime.now() - print "Timing: %s()..." % locate_blocks.__name__ - profile_process_block(codestr) - elap = datetime.now() - start - - elapms = elap.seconds * 1000.0 + elap.microseconds / 1000.0 - print "Done! took %06.3fms" % elapms + for locate_blocks, desc in ( + (_locate_blocks_a, "Pure Python, Full algorithm (_locate_blocks_a))"), + (_locate_blocks_b, "Pure Python, Condensed algorithm (_locate_blocks_b))"), + (_locate_blocks_c, "Builtin C Function, Full algorithm (_locate_blocks_c))"), + (_locate_blocks_d, "CTypes C Function, Full algorithm (_locate_blocks_d))")): + if locate_blocks: + ret = process_block(locate_blocks, codestr, dump=True) + # print "This is what `%s()` returned:" % locate_blocks + # print ret + # print repr(ret) + assert ret == verify, 'It should be:\n%s' % verify + + start = datetime.now() + print >>sys.stderr, "Timing: %s..." % desc, + process_blocks(locate_blocks, codestr) + elap = datetime.now() - start + + elapms = elap.seconds * 1000.0 + elap.microseconds / 1000.0 + print >>sys.stderr, "Done! took %06.3fms" % elapms |