hggettext: handle i18nfunctions declaration for docstrings translations

hgext/bookmarks.py

@@ -566,3 +566,6 cmdtable = {
 }
 
 colortable = {'bookmarks.current': 'green'}
+
+# tell hggettext to extract docstrings from these functions:
+i18nfunctions = [bmrevset]

hgext/transplant.py

@@ -625,3 +625,6 cmdtable = {
          _('hg transplant [-s REPO] [-b BRANCH [-a]] [-p REV] '
            '[-m REV] [REV]...'))
 }
+
+# tell hggettext to extract docstrings from these functions:
+i18nfunctions = [revsettransplanted]

i18n/hggettext

@@ -97,19 +97,25 def docstrings(path):
         lineno = 1 + offset(src, mod.__doc__, path, 7)
         print poentry(path, lineno, mod.__doc__)
 
+    functions = list(getattr(mod, 'i18nfunctions', []))
+    functions = [(f, True) for f in functions]
+
     cmdtable = getattr(mod, 'cmdtable', {})
     if not cmdtable:
         # Maybe we are processing mercurial.commands?
         cmdtable = getattr(mod, 'table', {})
+    functions.extend((c[0], False) for c in cmdtable.itervalues())
 
-    for entry in cmdtable.itervalues():
-        func = entry[0]
+    for func, rstrip in functions:
         if func.__doc__:
             src = inspect.getsource(func)
             name = "%s.%s" % (path, func.__name__)
             lineno = func.func_code.co_firstlineno
-            lineno += offset(src, func.__doc__, name, 1)
-            print poentry(path, lineno, func.__doc__)
+            doc = func.__doc__
+            if rstrip:
+                doc = doc.rstrip()
+            lineno += offset(src, doc, name, 1)
+            print poentry(path, lineno, doc)
 
 
 def rawtext(path):

mercurial/revset.py

@@ -791,3 +791,6 def makedoc(topic, doc):
     predicates = '\n'.join(predicates)
     doc = doc.replace('.. predicatesmarker', predicates)
     return doc
+
+# tell hggettext to extract docstrings from these functions:
+i18nfunctions = symbols.values()