New template system. Closes #249

The new template system is introduced for API 3.1.  See
``src/mailman/rest/docs/templates.rst`` for details.

3 files changed, 19 insertions, 4 deletions

diff --git a/src/mailman/config/config.py b/src/mailman/config/config.py
index 415e1e3d2..5454c5e5a 100644
--- a/src/mailman/config/config.py
+++ b/src/mailman/config/config.py
@@ -156,8 +156,8 @@ class Configuration:
                 else category.template_dir),
             )
         # Directories.
-        for name in ('archive', 'bin', 'data', 'etc', 'ext', 'list_data',
-                     'lock', 'log', 'messages', 'queue'):
+        for name in ('archive', 'bin', 'cache', 'data', 'etc', 'ext',
+                     'list_data', 'lock', 'log', 'messages', 'queue'):
             key = '{}_dir'.format(name)
             substitutions[key] = getattr(category, key)
         # Files.
diff --git a/src/mailman/config/configure.zcml b/src/mailman/config/configure.zcml
index 535cf729f..f31e79525 100644
--- a/src/mailman/config/configure.zcml
+++ b/src/mailman/config/configure.zcml
@@ -58,6 +58,11 @@
     />
 
   <utility
+    provides="mailman.interfaces.cache.ICacheManager"
+    factory="mailman.model.cache.CacheManager"
+    />
+
+  <utility
     provides="mailman.interfaces.database.IDatabaseFactory"
     factory="mailman.database.factory.DatabaseFactory"
     name="production"
@@ -120,8 +125,13 @@
     />
 
   <utility
-   provides="mailman.interfaces.templates.ITemplateLoader"
-   factory="mailman.app.templates.TemplateLoader"
+   provides="mailman.interfaces.template.ITemplateLoader"
+   factory="mailman.model.template.TemplateLoader"
+   />
+
+  <utility
+   provides="mailman.interfaces.template.ITemplateManager"
+   factory="mailman.model.template.TemplateManager"
    />
 
   <utility
diff --git a/src/mailman/config/schema.cfg b/src/mailman/config/schema.cfg
index 1cc209e73..e3ddb6f8e 100644
--- a/src/mailman/config/schema.cfg
+++ b/src/mailman/config/schema.cfg
@@ -50,6 +50,9 @@ email_commands_max_lines: 10
 # the pending database.
 pending_request_life: 3d
 
+# How long should files be saved before they are evicted from the cache?
+cache_life: 7d
+
 # A callable to run with no arguments early in the initialization process.
 # This runs before database initialization.
 pre_hook:
@@ -123,6 +126,8 @@ log_dir: $var_dir/logs
 lock_dir: $var_dir/locks
 # Directory for system-wide data.
 data_dir: $var_dir/data
+# Cache files.
+cache_dir: $var_dir/cache
 # Directory for configuration files and such.
 etc_dir: $var_dir/etc
 # Directory containing Mailman plugins.