From beed44ac11bbf70449c080262f98fb3ecb951c62 Mon Sep 17 00:00:00 2001
From: Joe Digilio <jdigilio@imca.aps.anl.gov>
Date: Mon, 26 Sep 2011 13:26:02 -0500
Subject: Cfg: Add support for .cheetah files

---
 src/lib/Server/Plugins/Cfg.py | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/lib/Server/Plugins/Cfg.py b/src/lib/Server/Plugins/Cfg.py
index beea2c747..f202628cd 100644
--- a/src/lib/Server/Plugins/Cfg.py
+++ b/src/lib/Server/Plugins/Cfg.py
@@ -23,6 +23,13 @@ try:
 except:
     have_genshi = False
 
+try:
+    import Cheetah.Template
+    import Cheetah.Parser
+    have_cheetah = True
+except:
+    have_cheetah = False
+
 logger = logging.getLogger('Bcfg2.Plugins.Cfg')
 
 
@@ -80,7 +87,7 @@ class CfgMatcher:
 
     def __init__(self, fname):
         name = re.escape(fname)
-        self.basefile_reg = re.compile('^(?P<basename>%s)(|\\.H_(?P<hostname>\S+?)|.G(?P<prio>\d+)_(?P<group>\S+?))(?P<genshi>\\.genshi)?$' % name)
+        self.basefile_reg = re.compile('^(?P<basename>%s)(|\\.H_(?P<hostname>\S+?)|.G(?P<prio>\d+)_(?P<group>\S+?))((?P<genshi>\\.genshi)|(?P<cheetah>\\.cheetah))?$' % name)
         self.delta_reg = re.compile('^(?P<basename>%s)(|\\.H_(?P<hostname>\S+)|\\.G(?P<prio>\d+)_(?P<group>\S+))\\.(?P<delta>(cat|diff))$' % name)
         self.cat_count = fname.count(".cat")
         self.diff_count = fname.count(".diff")
@@ -157,6 +164,25 @@ class CfgEntrySet(Bcfg2.Server.Plugin.EntrySet):
                 e = sys.exc_info()[1]
                 logger.error("Cfg: genshi exception: %s" % e)
                 raise Bcfg2.Server.Plugin.PluginExecutionError
+        elif basefile.name.endswith(".cheetah"):
+            if not have_cheetah:
+                logger.error("Cfg: Cheetah is not available")
+                raise Bcfg2.Server.Plugin.PluginExecutionError
+            try:
+                fname = entry.get('realname', entry.get('name'))
+                s = {'useStackFrames': False}
+                template = Cheetah.Template.Template(open(basefile.name).read(),
+                                                       compilerSettings=s)
+                template.metadata = metadata
+                template.path = fname
+                template.source_path = basefile.name
+                data = template.respond()
+                if data == '':
+                    entry.set('empty', 'true')
+            except Exception:
+                e = sys.exc_info()[1]
+                logger.error("Cfg: cheetah exception: %s" % e)
+                raise Bcfg2.Server.Plugin.PluginExecutionError
         else:
             data = basefile.data
             for delta in used:
@@ -206,6 +232,9 @@ class CfgEntrySet(Bcfg2.Server.Plugin.EntrySet):
             if os.path.exists("%s.genshi" % name):
                 logger.error("Cfg: Unable to pull data for genshi types")
                 raise Bcfg2.Server.Plugin.PluginExecutionError
+            elif os.path.exists("%s.cheetah" % name):
+                logger.error("Cfg: Unable to pull data for cheetah types")
+                raise Bcfg2.Server.Plugin.PluginExecutionError
             try:
                 etext = new_entry['text'].encode(self.encoding)
             except:
-- 
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