1 #!/usr/bin/python2.6 2 3 import httplib, json, optparse, os, urllib, shutil, subprocess, sys 4 5 output_css_file = 'style.css' 6 output_js_file = 'script.js' 7 8 upstream_svn = 'http://trace-viewer.googlecode.com/svn/trunk/' 9 10 script_dir = os.path.dirname(os.path.abspath(sys.argv[0])) 11 trace_viewer_dir = os.path.join(script_dir, 'trace-viewer') 12 13 parser = optparse.OptionParser() 14 parser.add_option('--local', dest='local_dir', metavar='DIR', 15 help='use a local trace-viewer') 16 parser.add_option('--no-min', dest='no_min', default=False, action='store_true', 17 help='skip minification') 18 options, args = parser.parse_args() 19 20 if options.local_dir is None: 21 # Remove the old source 22 shutil.rmtree(trace_viewer_dir, True) 23 24 # Pull the latest source from the upstream svn 25 svn_co_args = ['svn', 'co', upstream_svn, trace_viewer_dir] 26 p = subprocess.Popen(svn_co_args, stdout=subprocess.PIPE) 27 svn_output = '' 28 while p.poll() is None: 29 svn_output += p.stdout.read() 30 if p.returncode != 0: 31 print 'Failed to checkout source from upstream svn.' 32 sys.exit(1) 33 34 # Update the UPSTREAM_REVISION file 35 rev_str = svn_output.split('\n')[-2] 36 if not rev_str.startswith('Checked out revision '): 37 print 'Unrecognized revision string: %q' % rev_str 38 open('UPSTREAM_REVISION', 'wt').write(rev_str[21:-1] + '\n') 39 else: 40 trace_viewer_dir = options.local_dir 41 42 # Generate the flattened JS and CSS 43 build_dir = os.path.join(trace_viewer_dir, 'build') 44 sys.path.append(build_dir) 45 gen = __import__('generate_standalone_timeline_view', {}, {}) 46 js_code = gen.generate_js() 47 css_code = gen.generate_css() 48 49 if options.no_min: 50 open(output_js_file, 'wt').write(js_code) 51 print 'Generated %s' % output_js_file 52 open(output_css_file, 'wt').write(css_code) 53 print 'Generated %s' % output_css_file 54 else: 55 # Define the parameters for the POST request and encode them in 56 # a URL-safe format. 57 params = urllib.urlencode([ 58 ('js_code', js_code), 59 ('language', 'ECMASCRIPT5'), 60 ('compilation_level', 'SIMPLE_OPTIMIZATIONS'), 61 ('output_format', 'json'), 62 ('output_info', 'errors'), 63 ('output_info', 'compiled_code'), 64 ]) 65 66 # Always use the following value for the Content-type header. 67 headers = { "Content-type": "application/x-www-form-urlencoded" } 68 conn = httplib.HTTPConnection('closure-compiler.appspot.com') 69 conn.request('POST', '/compile', params, headers) 70 response = conn.getresponse() 71 data = response.read() 72 conn.close 73 74 if response.status != 200: 75 print sys.stderr, "error returned from JS compile service: %d" % response.status 76 sys.exit(1) 77 78 result = json.loads(data) 79 if 'errors' in result: 80 print 'Encountered error minifying Javascript. Writing intermediate code to flat_script.js' 81 open('flat_script.js', 'wt').write(js_code) 82 for e in result['errors']: 83 filenum = int(e['file'][6:]) 84 filename = 'flat_script.js' 85 lineno = e['lineno'] 86 charno = e['charno'] 87 err = e['error'] 88 print '%s:%d:%d: %s' % (filename, lineno, charno, err) 89 print 'Failed to generate %s.' % output_js_file 90 sys.exit(1) 91 92 open(output_js_file, 'wt').write(result['compiledCode'] + '\n') 93 print 'Generated %s' % output_js_file 94 95 yuic_args = ['yui-compressor', '--type', 'css', '-o', output_css_file] 96 p = subprocess.Popen(yuic_args, stdin=subprocess.PIPE) 97 p.communicate(input=css_code) 98 if p.wait() != 0: 99 print 'Failed to generate %s.' % output_css_file 100 sys.exit(1) 101 102 print 'Generated %s' % output_css_file 103
