intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 113 insertions, 0 deletions

diff --git a/build/scripts/generate_mf.py b/build/scripts/generate_mf.py
new file mode 100644
index 0000000000..a44a969980
--- /dev/null
+++ b/build/scripts/generate_mf.py
@@ -0,0 +1,113 @@
+import json
+import logging
+import optparse
+import os
+import sys
+import io
+
+import process_command_files as pcf
+
+class BadMfError(Exception):
+    pass
+
+
+class GplNotAllowed(Exception):
+    pass
+
+
+def process_quotes(s):
+    for quote_char in '\'"':
+        if s.startswith(quote_char) and s.endswith(quote_char):
+            return s[1:-1]
+    return s
+
+
+def parse_args():
+    args = pcf.get_args(sys.argv[1:])
+    lics, peers, free_args, credits = [], [], [], []
+    current_list = free_args
+    for a in args:
+        if a == '-Ya,lics':
+            current_list = lics
+        elif a == '-Ya,peers':
+            current_list = peers
+        elif a == '-Ya,credits':
+            current_list = credits
+        elif a and a.startswith('-'):
+            current_list = free_args
+            current_list.append(a)
+        else:
+            current_list.append(a)
+
+    parser = optparse.OptionParser()
+    parser.add_option('--build-root')
+    parser.add_option('--module-name')
+    parser.add_option('-o', '--output')
+    parser.add_option('-c', '--credits-output')
+    parser.add_option('-t', '--type')
+    opts, _ = parser.parse_args(free_args)
+    return lics, peers, credits, opts,
+
+
+def generate_header(meta):
+    return '-' * 20 + meta.get('path', 'Unknown module') + '-' * 20
+
+
+def generate_mf():
+    lics, peers, credits, options = parse_args()
+
+    meta = {
+        'module_name': options.module_name,
+        'path': os.path.dirname(options.output),
+        'licenses': lics,
+        'dependencies': [],
+        'license_texts': ''
+    }
+
+    build_root = options.build_root
+    file_name = os.path.join(build_root, options.output)
+
+    if options.type != 'LIBRARY':
+        for rel_filename in peers:
+            with open(os.path.join(build_root, rel_filename + '.mf')) as peer_file:
+                peer_meta = json.load(peer_file)
+                meta['dependencies'].append(peer_meta)
+
+    if credits:
+        union_texts = []
+        for texts_file in credits:
+            with open(process_quotes(texts_file)) as f:
+                union_texts.append(f.read())
+        meta['license_texts'] = '\n\n'.join(union_texts)
+
+    if options.credits_output:
+        final_credits = []
+        if meta['license_texts']:
+            final_credits.append(generate_header(meta) + '\n' + meta['license_texts'])
+        for peer in peers:
+            candidate = os.path.join(build_root, peer + '.mf')
+            with open(candidate) as src:
+                data = json.loads(src.read())
+                texts = data.get('license_texts')
+                if texts:
+                    candidate_text = generate_header(data) + '\n' + texts
+                    if isinstance(candidate_text, unicode):
+                        candidate_text = candidate_text.encode('utf-8')
+                    final_credits.append(candidate_text)
+
+        with io.open(options.credits_output, 'w', encoding='utf-8') as f:
+            data = '\n\n'.join(final_credits)
+            if isinstance(data, str):
+                data = data.decode('utf-8')
+            f.write(data)
+
+    with open(file_name, 'w') as mf_file:
+        json.dump(meta, mf_file, indent=4)
+
+
+if __name__ == '__main__':
+    try:
+        generate_mf()
+    except Exception as e:
+        sys.stderr.write(str(e) + '\n')
+        sys.exit(1)