add script for extracting a list of translators from the .po files

scripts/get-translator-credits.py

@@ -0,0 +1,40 @@
+import subprocess
+import re
+from collections import defaultdict
+
+authors_by_locale = defaultdict(set)
+
+file_listing = subprocess.Popen('find ../wagtail -iname *.po', shell=True, stdout=subprocess.PIPE)
+
+for file_listing_line in file_listing.stdout:
+    filename = file_listing_line.strip()
+
+    # extract locale string from filename
+    locale = re.search(r'locale/(\w+)/LC_MESSAGES', filename).group(1)
+    if locale == 'en':
+        continue
+
+    # read author list from each file
+    with file(filename) as f:
+        has_found_translators_heading = False
+        for line in f:
+            line = line.strip()
+            if line.startswith('#'):
+                if has_found_translators_heading:
+                    author = re.match(r'\# (.*), [\d\-]+', line).group(1)
+                    authors_by_locale[locale].add(author)
+                elif line.startswith('# Translators:'):
+                    has_found_translators_heading = True
+            else:
+                if has_found_translators_heading:
+                    break
+                else:
+                    raise Exception("No 'Translators:' heading found in %s" % filename)
+
+locales = sorted(authors_by_locale.keys())
+for locale in locales:
+    print(locale)
+    print("-----")
+    for author in sorted(authors_by_locale[locale]):
+        print(author)
+    print('')