# -*- coding: utf8 -*- """ .. module:: lesscpy.scripts.compiler CSS/LESSCSS run script http://lesscss.org/#docs Copyright (c) See LICENSE for details .. moduleauthor:: Johann T. Mariusson """ from __future__ import print_function import os import sys import glob import copy import argparse sys.path.append(os.path.abspath(os.path.dirname(__file__))) from lesscpy.lessc import parser from lesscpy.lessc import lexer from lesscpy.lessc import formatter VERSION_STR = 'Lesscpy compiler 0.9h' def ldirectory(inpath, outpath, args, scope): """Compile all *.less files in directory Args: inpath (str): Path to compile outpath (str): Output directory args (object): Argparse Object scope (Scope): Scope object or None """ yacctab = 'yacctab' if args.debug else None if not outpath: sys.exit("Compile directory option needs -o ...") else: if not os.path.isdir(outpath): if args.verbose: print("Creating '%s'" % outpath, file=sys.stderr) if not args.dry_run: os.mkdir(outpath) less = glob.glob(os.path.join(inpath, '*.less')) f = formatter.Formatter(args) for lf in less: outf = os.path.splitext(os.path.basename(lf)) minx = '.min' if args.min_ending else '' outf = "%s/%s%s.css" % (outpath, outf[0], minx) if not args.force and os.path.exists(outf): recompile = os.path.getmtime(outf) < os.path.getmtime(lf) else: recompile = True if recompile: print('%s -> %s' % (lf, outf)) p = parser.LessParser( yacc_debug=(args.debug), lex_optimize=True, yacc_optimize=(not args.debug), scope=scope, tabfile=yacctab, verbose=args.verbose) p.parse(filename=lf, debuglevel=0) css = f.format(p) if not args.dry_run: with open(outf, 'w') as outfile: outfile.write(css) elif args.verbose: print('skipping %s, not modified' % lf, file=sys.stderr) sys.stdout.flush() if args.recurse: [ ldirectory( os.path.join(inpath, name), os.path.join(outpath, name), args, scope) for name in os.listdir(inpath) if os.path.isdir(os.path.join(inpath, name)) and not name.startswith('.') and not name == outpath ] def run(): """Run compiler """ aparse = argparse.ArgumentParser( description='LessCss Compiler', epilog='<< jtm@robot.is @_o >>') aparse.add_argument( '-v', '--version', action='version', version=VERSION_STR) aparse.add_argument( '-I', '--include', action="store", type=str, help="Included less-files (comma separated)") aparse.add_argument( '-V', '--verbose', action="store_true", default=False, help="Verbose mode") aparse.add_argument( '-C', '--dont_create_dirs', action="store_true", default=False, help="Creates directories when outputing files (lessc non-compatible)") fgroup = aparse.add_argument_group('Formatting options') fgroup.add_argument( '-x', '--minify', action="store_true", default=False, help="Minify output") fgroup.add_argument( '-X', '--xminify', action="store_true", default=False, help="Minify output, no end of block newlines") fgroup.add_argument('-t', '--tabs', help="Use tabs", action="store_true") fgroup.add_argument( '-s', '--spaces', help="Number of startline spaces (default 2)", default=2) dgroup = aparse.add_argument_group( 'Directory options', 'Compiles all *.less files in directory that ' 'have a newer timestamp than it\'s css file.') dgroup.add_argument('-o', '--out', action="store", help="Output directory") dgroup.add_argument( '-r', '--recurse', action="store_true", help="Recursive into subdirectorys") dgroup.add_argument( '-f', '--force', action="store_true", help="Force recompile on all files") dgroup.add_argument( '-m', '--min-ending', action="store_true", default=False, help="Add '.min' into output filename. eg, name.min.css") dgroup.add_argument( '-D', '--dry-run', action="store_true", default=False, help="Dry run, do not write files") group = aparse.add_argument_group('Debugging') group.add_argument( '-g', '--debug', action="store_true", default=False, help="Debugging information") group.add_argument( '-S', '--scopemap', action="store_true", default=False, help="Scopemap") group.add_argument( '-L', '--lex-only', action="store_true", default=False, help="Run lexer on target") group.add_argument( '-N', '--no-css', action="store_true", default=False, help="No css output") aparse.add_argument('target', help="less file or directory") aparse.add_argument('output', nargs='?', help="output file path") args = aparse.parse_args() try: # # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # if args.lex_only: lex = lexer.LessLexer() ll = lex.file(args.target) while True: tok = ll.token() if not tok: break if hasattr(tok, "lexer"): # literals don't have the lexer attribute print(tok, "State:", tok.lexer.lexstate) else: print(tok) print('EOF') sys.exit() # # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # yacctab = 'yacctab' if args.debug else None scope = None if args.include: for u in args.include.split(','): if os.path.exists(u): p = parser.LessParser( yacc_debug=(args.debug), lex_optimize=True, yacc_optimize=(not args.debug), tabfile=yacctab, verbose=args.verbose) p.parse(filename=u, debuglevel=args.debug) if not scope: scope = p.scope else: scope.update(p.scope) else: sys.exit('included file `%s` not found ...' % u) sys.stdout.flush() p = None f = formatter.Formatter(args) if not os.path.exists(args.target): sys.exit("Target not found '%s' ..." % args.target) if os.path.isdir(args.target): ldirectory(args.target, args.out, args, scope) if args.dry_run: print('Dry run, nothing done.', file=sys.stderr) else: p = parser.LessParser( yacc_debug=(args.debug), lex_optimize=True, yacc_optimize=(not args.debug), scope=copy.deepcopy(scope), verbose=args.verbose) p.parse(filename=args.target, debuglevel=args.debug) if args.scopemap: args.no_css = True p.scopemap() if not args.no_css and p: out = f.format(p) if args.output: if not args.dont_create_dirs and not os.path.exists( os.path.dirname(args.output)): try: os.makedirs(os.path.dirname(args.output)) except OSError as exc: # Guard against race condition if exc.errno != errno.EEXIST: raise with open(args.output, "w") as f: f.write(out) else: print(out) except (KeyboardInterrupt, SystemExit, IOError): sys.exit('\nAborting...')