Major restructuring to get automatic decoding/encoding

[pycalendar.git] / pycalendar / property / __init__.py

diff --git a/pycalendar/property/__init__.py b/pycalendar/property/__init__.py
new file mode 100644 (file)
index 0000000..23dbabb
--- /dev/null
+++ b/pycalendar/property/__init__.py
@@ -0,0 +1,66 @@
+# Copyright
+
+"""Classes representing calendar properties
+
+As defined in :RFC:`5545`, sections 3.7 (Calendar Properties) and 3.8
+(Component Properties).
+"""
+
+from . import base as _base
+
+from . import alarm as _alarm
+from . import calendar as _calendar
+from . import change as _change
+from . import component as _component
+from . import datetime as _datetime
+from . import descriptive as _descriptive
+from . import misc as _misc
+from . import recurrence as _recurrence
+from . import relationship as _relationship
+from . import timezone as _timezone
+
+
+PROPERTY = {}
+
+
+def register(property):
+    """Register a property class
+    """
+    PROPERTY[property.name] = property
+
+
+def parse(line):
+    name_param,value = [x.strip() for x in line.split(':', 1)]
+    parameters = name_param.split(';')
+    name = parameters.pop(0).upper()  # names are case insensitive
+    parameters = dict(tuple(x.split('=', 1)) for x in parameters)
+    for k,v in parameters.items():
+        if ',' in v:
+            parameters[k] = v.split(',')
+    prop_class = PROPERTY[name]
+    prop = prop_class(parameters=parameters)
+    prop.check_parameters()
+    prop.value = prop.decode(value=value)
+    prop.check_value()
+    return prop
+
+
+for module in [
+        _alarm,
+        _calendar,
+        _change,
+        _component,
+        _datetime,
+        _descriptive,
+        _misc,
+        _recurrence,
+        _relationship,
+        _timezone,
+        ]:
+    for name in dir(module):
+        if name.startswith('_'):
+            continue
+        obj = getattr(module, name)
+        if isinstance(obj, type) and issubclass(obj, _base.Property):
+            register(property=obj)
+del module, name, obj