Resurrect deploy_sdk and make it use prepare_pub_packages.py

Works like a charm, and is now much simpler thanks to John's work.

R=abarth@chromium.org, johnmccutchan@google.com

Review URL: https://codereview.chromium.org/1174683003.

tools/deploy_sdk.py

+#!/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.
+
+import argparse
+from datetime import datetime
+import logging
+import os
+import shutil
+import subprocess
+import sys
+
+# Generates the sky_sdk from the template at sky/sdk.
+
+SKY_TOOLS_DIR = os.path.dirname(os.path.abspath(__file__))
+SKY_DIR = os.path.dirname(SKY_TOOLS_DIR)
+SRC_ROOT = os.path.dirname(SKY_DIR)
+
+DEFAULT_REL_BUILD_DIR = os.path.join('out', 'android_Release')
+
+def git_revision():
+    return subprocess.check_output(['git', 'rev-parse', 'HEAD']).strip()
+
+
+def ensure_dir_exists(path):
+    if not os.path.exists(path):
+        os.makedirs(path)
+
+
+def copy(from_root, to_root, filter_func=None):
+    assert os.path.exists(from_root), "%s does not exist!" % from_root
+    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 confirm(prompt):
+    response = raw_input('%s [N]|y: ' % prompt)
+    return response and response.lower() == 'y'
+
+
+def delete_all_non_hidden_files_in_directory(root, non_interactive=False):
+    to_delete = [os.path.join(root, p)
+        for p in os.listdir(root) if not p.startswith('.')]
+    if not to_delete:
+        return
+    if not non_interactive:
+        prompt = 'This will delete everything in %s:\n%s\nAre you sure?' % (
+            root, '\n'.join(to_delete))
+        if not confirm(prompt):
+            print 'User aborted.'
+            sys.exit(2)
+
+    for path in to_delete:
+        if os.path.isdir(path) and not os.path.islink(path):
+            shutil.rmtree(path)
+        else:
+            os.remove(path)
+
+
+def main():
+    logging.basicConfig(level=logging.WARN)
+    parser = argparse.ArgumentParser(description='Deploy a new sky_sdk.')
+    parser.add_argument('sdk_root', type=str)
+    parser.add_argument('--build-dir', action='store', type=str,
+        default=os.path.join(SRC_ROOT, DEFAULT_REL_BUILD_DIR))
+    parser.add_argument('--non-interactive', action='store_true')
+    parser.add_argument('--commit', action='store_true')
+    args = parser.parse_args()
+
+    build_dir = os.path.abspath(args.build_dir)
+    sdk_root = os.path.abspath(args.sdk_root)
+
+    print 'Building SDK from %s into %s' % (build_dir, sdk_root)
+    start_time = datetime.now()
+
+    should_commit = args.commit
+
+    def sdk_path(rel_path):
+        return os.path.join(sdk_root, rel_path)
+
+    def src_path(rel_path):
+        return os.path.join(SRC_ROOT, rel_path)
+
+    ensure_dir_exists(sdk_root)
+    # Manually clear sdk_root above to avoid deleting dot-files.
+    delete_all_non_hidden_files_in_directory(sdk_root, args.non_interactive)
+    copy(src_path('sky/examples'), sdk_path('examples'))
+
+    copy(src_path('sky/sdk/README.md'), sdk_root)
+
+    ensure_dir_exists(sdk_path('packages'))
+    subprocess.check_call([
+        'mojo/tools/prepare_pub_packages.py',
+        '--out-dir', sdk_path('packages'),
+        'out'
+    ])
+
+    with open(sdk_path('LICENSES.sky'), 'w') as license_file:
+        subprocess.check_call([src_path('tools/licenses.py'), 'credits'],
+            stdout=license_file)
+
+    if should_commit:
+        # Kinda a hack to make a prettier build dir for the commit:
+        script_path = os.path.relpath(os.path.abspath(__file__), SRC_ROOT)
+        rel_build_dir = os.path.relpath(build_dir, SRC_ROOT)
+        revision = git_revision()
+        commit_url = "https://github.com/domokit/mojo/commit/%s" % revision
+        pattern = """Autogenerated from %s
+Using %s and build output from %s.
+"""
+        commit_message = pattern % (commit_url, script_path, rel_build_dir)
+        subprocess.check_call(['git', 'add', '.'], cwd=sdk_root)
+        subprocess.check_call([
+            'git', 'commit',
+            '-m', commit_message
+            ], cwd=sdk_root)
+
+    time_delta = datetime.now() - start_time
+    print 'SDK built at %s in %ss' % (sdk_root, time_delta.total_seconds())
+
+
+if __name__ == '__main__':
+    main()