Squashed 'third_party/boostorg/odeint/' content from commit 6ff2719
Change-Id: If4892e29c1a5e6cf3a7aa51486a2725c251b0c7d
git-subtree-dir: third_party/boostorg/odeint
git-subtree-split: 6ff2719b6907b86596c3d43e88c1bcfdf29df560
diff --git a/fix-copyright.py b/fix-copyright.py
new file mode 100755
index 0000000..f484822
--- /dev/null
+++ b/fix-copyright.py
@@ -0,0 +1,71 @@
+#!/usr/bin/env python
+from subprocess import check_output as run
+from datetime import datetime
+from itertools import groupby
+from operator import itemgetter
+import re
+import magic
+
+def authors(filename):
+ log = run(['git', 'log', '--follow',
+ '--date=short','--format=%aN%x09%ad', filename],
+ universal_newlines=True)
+ for line in log.splitlines():
+ author, date = line.split('\t')
+ if author != 'fix-copyright.py':
+ yield author, datetime.strptime(date, '%Y-%m-%d')
+
+def new_copyright(filename, previous):
+ def f():
+ au = list(authors(filename))
+ alldates = map(itemgetter(1), au)
+ aup = sorted(au + map(lambda a: (a, None), previous), key=itemgetter(0))
+ for author, records in groupby(aup, itemgetter(0)):
+ dates = filter(None, map(itemgetter(1), records))
+ if not dates: dates = alldates
+ start = min(dates)
+ end = max(dates)
+ fmt = '{0}' if start.year == end.year else '{0}-{1}'
+ line = 'Copyright ' + fmt.format(start.year, end.year) + ' ' + author
+ key = (start, author)
+ yield key, line
+ return map(itemgetter(1), sorted(f()))
+
+def fix_copyright(filename):
+ # Find copyright block in original file
+ prefix = set()
+ names = []
+ lines = []
+ with open(filename, 'r') as f:
+ content = list(f)
+ for i, line in enumerate(content[:15]):
+ m = re.match(r'^(?P<prefix>\W*)(\(c\))?\s*?copyright\s*(\(c\))?\s+\d{4}(\s*-\s*\d{4})?\s+(?P<name>.+?)\s*$', line, re.IGNORECASE)
+ if m:
+ d = m.groupdict()
+ prefix.add(d['prefix'])
+ lines.append(i)
+ names.append(d['name'].strip())
+ if len(prefix) != 1:
+ print 'Not found:', filename
+ return
+ prefix = list(prefix)[0]
+
+ print filename
+ new = iter(new_copyright(filename, names))
+ with open(filename, 'w') as f:
+ for i, line in enumerate(content):
+ if i in lines:
+ for repl in new:
+ print >>f, prefix + repl
+ else:
+ print >>f, line,
+ pass
+
+def all_files():
+ ls = run(['git', 'ls-files'], universal_newlines=True)
+ for filename in ls.splitlines():
+ if magic.from_file(filename, mime=True).split('/')[0] == 'text':
+ yield filename
+
+for f in all_files():
+ fix_copyright(f)