Changes between Version 22 and Version 23 of SplitSettings

Timestamp:

Feb 2, 2012, 5:07:37 AM (13 years ago)

Author:

fox@…

Comment:

--

SplitSettings

@@ -604 +604 @@
 
 This does however have the drawback of {{{settings.py}}} being parsed twice but that shouldn't cause any sort of mention worthy performance loss.
+
+
+== fox's method ==
+First write a config file with passwords ad secret keys. Save it somewhere.
+This is the external_config.py
+{{{
+#!python
+from ConfigParser import ConfigParser, NoOptionError
+
+class ExternalConfig(object):
+    """
+    Wrapper for ConfigParser
+    Reads a section from a config file and provides an object with the
+    properties and the values defined in the config.
+    """
+    def __init__(self, conf_file, section):
+        """
+        Reads the section "section" from the config "conf_file"
+        """
+        self._conf_file = conf_file
+        self._section = section
+
+        self._config = ConfigParser()
+        self._config.read(self._conf_file)
+
+        self._index = len(self._config.options(self._section))
+
+    def __getattr__(self, name):
+        """
+        Read the property from the config
+        """
+        if name.startswith('_'):
+            return self.__dict__[name]
+        try:
+            value = self._config.get(self._section, name)
+            if value.isdigit():
+                return int(value)
+            elif value in ('True', 'False'):
+                return value == 'True'
+            else:
+                return value
+        except NoOptionError:
+            raise AttributeError
+
+    def __getitem__(self, name):
+        """
+        Read the property from the config
+        """
+        return self.__getattr__(name)
+
+    def __iter__(self):
+        """
+        __iter__ method
+        """
+        return self
+
+    def next(self):
+        """
+        next method
+        """
+        if self._index == 0:
+            raise StopIteration
+        self._index -= 1
+        return self._config.options(self._section)[self._index]
+}}}
+
+This is production_settings.py
+{{{
+#!python
+from external_config import ExternalConfig
+import sys
+
+_filename = ""  # add your config file
+_section = "mysection"  # add your config section
+_this_module = sys.modules[__name__]
+_config = ExternalConfig(_filename, _section)
+
+__all__ = []
+
+for key in _config:
+    __all__.append(key)
+    value = _config[key]
+    setattr(_this_module, key, value)
+
+}}}
+
+Now importig * from production_settings.py will import data from the config file