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Unified Diff: third_party/mojo/src/mojo/public/tools/dart_pkg.py

Issue 1157843002: Update mojo sdk to rev 1dc8a9a5db73d3718d99917fadf31f5fb2ebad4f (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 7 months ago
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Index: third_party/mojo/src/mojo/public/tools/dart_pkg.py
diff --git a/third_party/mojo/src/mojo/public/tools/dart_pkg.py b/third_party/mojo/src/mojo/public/tools/dart_pkg.py
new file mode 100755
index 0000000000000000000000000000000000000000..58725148d08edd1ece404fe42b609d7df24e37d8
--- /dev/null
+++ b/third_party/mojo/src/mojo/public/tools/dart_pkg.py
@@ -0,0 +1,242 @@
+#!/usr/bin/env python
+#
+# 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.
+
+"""Utility for dart_pkg and dart_pkg_app rules"""
+
+import argparse
+import errno
+import os
+import shutil
+import sys
+
+# Disable lint check for finding modules:
+# pylint: disable=F0401
+
+sys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)),
+ "bindings/pylib"))
+
+from mojom.parse.parser import Parse
+from mojom.parse.translate import Translate
+
+USE_LINKS = sys.platform != "win32"
+
+
+def mojom_dart_filter(path):
+ if os.path.isdir(path):
+ return True
+ # Don't include all .dart, just .mojom.dart.
+ return path.endswith('.mojom.dart')
+
+
+def dart_filter(path):
+ if os.path.isdir(path):
+ return True
+ _, ext = os.path.splitext(path)
+ # .dart includes '.mojom.dart'
+ return ext == '.dart'
+
+
+def mojom_filter(path):
+ if os.path.isdir(path):
+ return True
+ _, ext = os.path.splitext(path)
+ return ext == '.mojom'
+
+
+def ensure_dir_exists(path):
+ if not os.path.exists(path):
+ os.makedirs(path)
+
+
+def has_pubspec_yaml(paths):
+ for path in paths:
+ _, filename = os.path.split(path)
+ if 'pubspec.yaml' == filename:
+ return True
+ return False
+
+
+def link(from_root, to_root):
+ ensure_dir_exists(os.path.dirname(to_root))
+ if os.path.exists(to_root):
+ os.unlink(to_root)
+ try:
+ os.symlink(from_root, to_root)
+ except OSError as e:
+ if e.errno == errno.EEXIST:
+ pass
+
+
+def copy(from_root, to_root, filter_func=None):
+ if not os.path.exists(from_root):
+ return
+ if os.path.isfile(from_root):
+ ensure_dir_exists(os.path.dirname(to_root))
+ shutil.copy(from_root, to_root)
+ return
+
+ ensure_dir_exists(to_root)
+
+ for root, dirs, files in os.walk(from_root):
+ # filter_func expects paths not names, so wrap it to make them absolute.
+ wrapped_filter = None
+ if filter_func:
+ wrapped_filter = lambda name: filter_func(os.path.join(root, name))
+
+ for name in filter(wrapped_filter, files):
+ from_path = os.path.join(root, name)
+ root_rel_path = os.path.relpath(from_path, from_root)
+ to_path = os.path.join(to_root, root_rel_path)
+ to_dir = os.path.dirname(to_path)
+ if not os.path.exists(to_dir):
+ os.makedirs(to_dir)
+ shutil.copy(from_path, to_path)
+
+ dirs[:] = filter(wrapped_filter, dirs)
+
+
+def copy_or_link(from_root, to_root, filter_func=None):
+ if USE_LINKS:
+ link(from_root, to_root)
+ else:
+ copy(from_root, to_root, filter_func)
+
+
+def list_files(from_root, filter_func=None):
+ file_list = []
+ for root, dirs, files in os.walk(from_root):
+ # filter_func expects paths not names, so wrap it to make them absolute.
+ wrapped_filter = None
+ if filter_func:
+ wrapped_filter = lambda name: filter_func(os.path.join(root, name))
+ for name in filter(wrapped_filter, files):
+ path = os.path.join(root, name)
+ file_list.append(path)
+ dirs[:] = filter(wrapped_filter, dirs)
+ return file_list
+
+
+def remove_broken_symlink(path):
+ try:
+ link_path = os.readlink(path)
+ except OSError as e:
+ # Path was not a symlink.
+ if e.errno == errno.EINVAL:
+ pass
+ else:
+ if not os.path.exists(link_path):
+ os.unlink(path)
+
+
+def remove_broken_symlinks(root_dir):
+ for current_dir, _, child_files in os.walk(root_dir):
+ for filename in child_files:
+ path = os.path.join(current_dir, filename)
+ remove_broken_symlink(path)
+
+
+def mojom_path(filename):
+ with open(filename) as f:
+ source = f.read()
+ tree = Parse(source, filename)
+ _, name = os.path.split(filename)
+ mojom = Translate(tree, name)
+ elements = mojom['namespace'].split('.')
+ elements.append("%s" % mojom['name'])
+ return os.path.join(*elements)
+
+
+def main():
+ parser = argparse.ArgumentParser(description='Generate a dart-pkg')
+ parser.add_argument('--package-name',
+ action='store',
+ type=str,
+ metavar='package_name',
+ help='Name of package',
+ required=True)
+ parser.add_argument('--gen-directory',
+ metavar='gen_directory',
+ help="dart-gen directory",
+ required=True)
+ parser.add_argument('--pkg-directory',
+ metavar='pkg_directory',
+ help='Directory where dart_pkg should go',
+ required=True)
+ parser.add_argument('--package-root',
+ metavar='package_root',
+ help='packages/ directory',
+ required=True)
+ parser.add_argument('--stamp-file',
+ metavar='stamp_file',
+ help='timestamp file',
+ required=True)
+ parser.add_argument('--package-sources',
+ metavar='package_sources',
+ help='Package sources',
+ nargs='+')
+ parser.add_argument('--mojom-sources',
+ metavar='mojom_sources',
+ help='.mojom and .mojom.dart sources',
+ nargs='*',
+ default=[])
+ parser.add_argument('--sdk-ext-directories',
+ metavar='sdk_ext_directories',
+ help='Directory containing .dart sources',
+ nargs='*',
+ default=[])
+ args = parser.parse_args()
+
+ # We must have a pubspec.yaml.
+ assert has_pubspec_yaml(args.package_sources)
+
+ # Copy or symlink package sources into pkg directory.
+ target_dir = os.path.join(args.pkg_directory, args.package_name)
+ common_source_prefix = os.path.commonprefix(args.package_sources)
+ for source in args.package_sources:
+ relative_source = os.path.relpath(source, common_source_prefix)
+ target = os.path.join(target_dir, relative_source)
+ copy_or_link(source, target)
+
+ # Copy sdk-ext sources into pkg directory
+ sdk_ext_dir = os.path.join(target_dir, 'sdk_ext')
+ for directory in args.sdk_ext_directories:
+ sdk_ext_sources = list_files(directory, dart_filter)
+ common_prefix = os.path.commonprefix(sdk_ext_sources)
+ for source in sdk_ext_sources:
+ relative_source = os.path.relpath(source, common_prefix)
+ target = os.path.join(sdk_ext_dir, relative_source)
+ copy_or_link(source, target)
+
+ lib_path = os.path.join(target_dir, "lib")
+ lib_mojom_path = os.path.join(lib_path, "mojom")
+
+ # Copy mojom sources
+ for mojom_source_path in args.mojom_sources:
+ path = mojom_path(mojom_source_path)
+ copy(mojom_source_path, os.path.join(lib_mojom_path, path))
+
+ # Copy generated mojom.dart files.
+ generated_mojom_lib_path = os.path.join(args.gen_directory, "mojom/lib")
+ for mojom_source_path in args.mojom_sources:
+ path = mojom_path(mojom_source_path)
+ source_path = '%s.dart' % os.path.join(generated_mojom_lib_path, path)
+ target_path = '%s.dart' % os.path.join(lib_mojom_path, path)
+ copy(source_path, target_path)
+
+ # Symlink packages/
+ package_path = os.path.join(args.package_root, args.package_name)
+ link(lib_path, package_path)
+
+ # Remove any broken symlinks in target_dir and package root.
+ remove_broken_symlinks(target_dir)
+ remove_broken_symlinks(args.package_root)
+
+ # Write stamp file.
+ with open(args.stamp_file, 'w'):
+ pass
+
+if __name__ == '__main__':
+ sys.exit(main())

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