| # Copyright (c) 2014 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import os |
| import sys |
| import subprocess |
| import tempfile |
| import StringIO |
| |
| from tvcm import html_generation_controller |
| |
| |
| html_warning_message = """ |
| |
| |
| <!-- |
| WARNING: This file is auto generated. |
| |
| Do not edit directly. |
| --> |
| """ |
| |
| js_warning_message = """ |
| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| /* WARNING: This file is auto generated. |
| * |
| * Do not edit directly. |
| */ |
| """ |
| |
| css_warning_message = """ |
| /* Copyright 2015 The Chromium Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. */ |
| |
| /* WARNING: This file is auto-generated. |
| * |
| * Do not edit directly. |
| */ |
| """ |
| |
| |
| def _AssertIsUTF8(f): |
| if isinstance(f, StringIO.StringIO): |
| return |
| assert f.encoding == 'utf-8' |
| |
| |
| def _MinifyJS(input_js): |
| tvcm_path = os.path.abspath(os.path.join( |
| os.path.dirname(__file__), '..')) |
| rjsmin_path = os.path.abspath( |
| os.path.join(tvcm_path, 'third_party', 'rjsmin', 'rjsmin.py')) |
| |
| with tempfile.NamedTemporaryFile() as _: |
| args = [ |
| 'python', |
| rjsmin_path |
| ] |
| p = subprocess.Popen(args, |
| stdin=subprocess.PIPE, |
| stdout=subprocess.PIPE, |
| stderr=subprocess.PIPE) |
| res = p.communicate(input=input_js) |
| errorcode = p.wait() |
| if errorcode != 0: |
| sys.stderr.write('rJSmin exited with error code %d' % errorcode) |
| sys.stderr.write(res[1]) |
| raise Exception('Failed to minify, omgah') |
| return res[0] |
| |
| |
| def GenerateJS(load_sequence, |
| use_include_tags_for_scripts=False, |
| dir_for_include_tag_root=None, |
| minify=False, |
| report_sizes=False): |
| f = StringIO.StringIO() |
| GenerateJSToFile(f, |
| load_sequence, |
| use_include_tags_for_scripts, |
| dir_for_include_tag_root, |
| minify=minify, |
| report_sizes=report_sizes) |
| |
| return f.getvalue() |
| |
| |
| def GenerateJSToFile(f, |
| load_sequence, |
| use_include_tags_for_scripts=False, |
| dir_for_include_tag_root=None, |
| minify=False, |
| report_sizes=False): |
| _AssertIsUTF8(f) |
| if use_include_tags_for_scripts and dir_for_include_tag_root is None: |
| raise Exception('Must provide dir_for_include_tag_root') |
| |
| f.write(js_warning_message) |
| f.write('\n') |
| |
| loader = load_sequence[0].loader |
| |
| polymer_script = loader.LoadRawScript('components/polymer/polymer.min.js') |
| f.write(polymer_script.contents) |
| |
| if not minify: |
| flatten_to_file = f |
| else: |
| flatten_to_file = StringIO.StringIO() |
| |
| for module in load_sequence: |
| module.AppendJSContentsToFile(flatten_to_file, |
| use_include_tags_for_scripts, |
| dir_for_include_tag_root) |
| if minify: |
| js = flatten_to_file.getvalue() |
| minified_js = _MinifyJS(js) |
| f.write(minified_js) |
| f.write('\n') |
| |
| if report_sizes: |
| for module in load_sequence: |
| s = StringIO.StringIO() |
| module.AppendJSContentsToFile(s, |
| use_include_tags_for_scripts, |
| dir_for_include_tag_root) |
| |
| # Add minified size info. |
| js = s.getvalue() |
| min_js_size = str(len(_MinifyJS(js))) |
| |
| # Print names for this module. Some domain-specific simplifications |
| # are included to make pivoting more obvious. |
| parts = module.name.split('.') |
| if parts[:2] == ['base', 'ui']: |
| parts = ['base_ui'] + parts[2:] |
| if parts[:2] == ['tracing', 'importer']: |
| parts = ['importer'] + parts[2:] |
| tln = parts[0] |
| sln = '.'.join(parts[:2]) |
| |
| # Output |
| print '%i\t%s\t%s\t%s\t%s' % (len(js), min_js_size, module.name, tln, sln) |
| sys.stdout.flush() |
| |
| |
| class ExtraScript(object): |
| |
| def __init__(self, script_id=None, text_content=None, content_type=None): |
| if script_id is not None: |
| assert script_id[0] != '#' |
| self.script_id = script_id |
| self.text_content = text_content |
| self.content_type = content_type |
| |
| def WriteToFile(self, output_file): |
| _AssertIsUTF8(output_file) |
| attrs = [] |
| if self.script_id: |
| attrs.append('id="%s"' % self.script_id) |
| if self.content_type: |
| attrs.append('content-type="%s"' % self.content_type) |
| |
| if len(attrs) > 0: |
| output_file.write('<script %s>\n' % ' '.join(attrs)) |
| else: |
| output_file.write('<script>\n') |
| if self.text_content: |
| output_file.write(self.text_content) |
| output_file.write('</script>\n') |
| |
| |
| def _MinifyCSS(css_text): |
| tvcm_path = os.path.abspath(os.path.join( |
| os.path.dirname(__file__), '..')) |
| rcssmin_path = os.path.abspath( |
| os.path.join(tvcm_path, 'third_party', 'rcssmin', 'rcssmin.py')) |
| |
| with tempfile.NamedTemporaryFile() as _: |
| rcssmin_args = ['python', rcssmin_path] |
| p = subprocess.Popen(rcssmin_args, |
| stdin=subprocess.PIPE, |
| stdout=subprocess.PIPE, |
| stderr=subprocess.PIPE) |
| res = p.communicate(input=css_text) |
| errorcode = p.wait() |
| if errorcode != 0: |
| sys.stderr.write('rCSSmin exited with error code %d' % errorcode) |
| sys.stderr.write(res[1]) |
| raise Exception('Failed to generate css for %s.' % css_text) |
| return res[0] |
| |
| |
| def GenerateStandaloneHTMLAsString(*args, **kwargs): |
| f = StringIO.StringIO() |
| GenerateStandaloneHTMLToFile(f, *args, **kwargs) |
| return f.getvalue() |
| |
| |
| def GenerateStandaloneHTMLToFile(output_file, |
| load_sequence, |
| title=None, |
| flattened_js_url=None, |
| extra_scripts=None, |
| minify=False, |
| report_sizes=False, |
| output_html_head_and_body=True): |
| """Writes a HTML file with the content of all modules in a load sequence. |
| |
| The load_sequence is a list of (HTML or JS) Module objects; the order that |
| they're inserted into the file depends on their type and position in the load |
| sequence. |
| """ |
| _AssertIsUTF8(output_file) |
| extra_scripts = extra_scripts or [] |
| |
| if output_html_head_and_body: |
| output_file.write( |
| '<!DOCTYPE HTML>\n' |
| '<html>\n' |
| ' <head i18n-values="dir:textdirection;">\n' |
| ' <meta http-equiv="Content-Type" content="text/html;' |
| 'charset=utf-8">\n') |
| if title: |
| output_file.write(' <title>%s</title>\n ' % title) |
| else: |
| assert title is None |
| |
| loader = load_sequence[0].loader |
| |
| written_style_sheets = set() |
| |
| class HTMLGenerationController( |
| html_generation_controller.HTMLGenerationController): |
| |
| def __init__(self, module): |
| self.module = module |
| |
| def GetHTMLForStylesheetHRef(self, href): |
| resource = self.module.HRefToResource( |
| href, '<link rel="stylesheet" href="%s">' % href) |
| style_sheet = loader.LoadStyleSheet(resource.name) |
| |
| if style_sheet in written_style_sheets: |
| return None |
| written_style_sheets.add(style_sheet) |
| |
| text = style_sheet.contents_with_inlined_images |
| if minify: |
| text = _MinifyCSS(text) |
| return '<style>\n%s\n</style>' % text |
| |
| for module in load_sequence: |
| controller = HTMLGenerationController(module) |
| module.AppendHTMLContentsToFile(output_file, controller, minify=minify) |
| |
| if flattened_js_url: |
| output_file.write('<script src="%s"></script>\n' % flattened_js_url) |
| else: |
| output_file.write('<script>\n') |
| js = GenerateJS(load_sequence, minify=minify, report_sizes=report_sizes) |
| output_file.write(js) |
| output_file.write('</script>\n') |
| |
| for extra_script in extra_scripts: |
| extra_script.WriteToFile(output_file) |
| |
| if output_html_head_and_body: |
| output_file.write('</head>\n <body>\n </body>\n</html>\n') |
