[damned-lies] Take into account absence of POT file (no full_po for POT)

[Claude Paroz <claudep src gnome org>]

commit 858df59c288842591b90cca9a7206d11b9751eb8
Author: Claude Paroz <claude 2xlibre net>
Date:   Thu Mar 31 14:26:29 2011 +0200

    Take into account absence of POT file (no full_po for POT)

 stats/models.py           |    4 +++-
 templates/stats_show.html |    2 ++
 2 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/stats/models.py b/stats/models.py
index 195d514..58f1760 100644
--- a/stats/models.py
+++ b/stats/models.py
@@ -342,7 +342,7 @@ class Branch(models.Model):
         # Check if all mandatory languages are present
         for lang in mandatory_langs:
             for domain in stats.keys():
-                if lang not in stats_langs[domain]:
+                if lang not in stats_langs[domain] and stats[domain][0].full_po:
                     fake_stat = FakeStatistics(self.module, self, typ, lang)
                     fake_stat.untranslated = stats[domain][0].untranslated()
                     stats[domain].append(fake_stat)
@@ -1321,6 +1321,8 @@ class Statistics(models.Model):
             return "%s.%s.%spot" % (self.domain.potbase(), self.branch.name, reduced and "reduced." or "")
 
     def pot_text(self):
+        if not self.full_po:
+            return _("POT file unavailable")
         pot_size = self.full_po.pot_size()
         fig_count = self.full_po.fig_count()
         """ Return stat table header: 'POT file (n messages) - updated on ??-??-???? tz' """
diff --git a/templates/stats_show.html b/templates/stats_show.html
index 85632f5..75c4f74 100644
--- a/templates/stats_show.html
+++ b/templates/stats_show.html
@@ -11,7 +11,9 @@
     <span class="path">{{ pot_stat.domain.directory }}</span>
   {% endif %}
   </h3>
+  {% if pot_stat.full_po %}
   <a href="{{ pot_stat.po_url }}"><img src="{{ MEDIA_URL }}img/download.png" alt="{% trans "Download POT file" %}" /></a>
+  {% endif %}
   {{ pot_stat.pot_text }}
   <!-- This is the title of the section that lists notices about a module -->
   {% if pot_stat.informations %}