specialisation des paquets systemes par distribution, pour mieux gerer les differences

[tools/sat.git] / src / pyconf.py

diff --git a/src/pyconf.py b/src/pyconf.py
index 68b917448421d22298572978fd2b4fc7c44b2255..5957d6ddcf8a12cbe2d5d971bf3eac266ca50ada 100644 (file)
--- a/src/pyconf.py
+++ b/src/pyconf.py
@@ -416,7 +416,7 @@ class Container(object):
             item = item.evaluate(self)
         return item
 
-    def writeToStream(self, stream, indent, container):
+    def writeToStream(self, stream, indent, container, evaluated=False):
         """
         Write this instance to a stream at the specified indentation level.
 
@@ -432,13 +432,16 @@ class Container(object):
         """
         raise NotImplementedError
 
-    def writeValue(self, value, stream, indent):
+    def writeValue(self, value, stream, indent, evaluated=False):
         if isinstance(self, Mapping):
             indstr = ' '
         else:
             indstr = indent * '  '
         if isinstance(value, Reference) or isinstance(value, Expression):
-            stream.write('%s%r%s' % (indstr, value, NEWLINE))
+            if not evaluated:
+                stream.write('%s%r%s' % (indstr, value, NEWLINE))
+            else:
+                stream.write('%s%r%s' % (indstr, self.evaluate(value), NEWLINE))
         else:
             if isinstance(value, str): # and not isWord(value):
                 value = repr(value)
@@ -478,7 +481,7 @@ class Mapping(Container):
     def __getitem__(self, key):
         data = object.__getattribute__(self, 'data')
         if key not in data:
-            raise AttributeError(key)
+            raise AttributeError("Unknown pyconf key: '%s'" % key)
         rv = data[key]
         return self.evaluate(rv)
 
@@ -493,7 +496,7 @@ class Mapping(Container):
         #if name == "__class__":
         #    return ''
         data = object.__getattribute__(self, "data")
-        useData = data.has_key(name)
+        useData = name in data
         if useData:
             rv = getattr(data, name)
         else:
@@ -573,7 +576,7 @@ class Mapping(Container):
         order = object.__getattribute__(self, 'order')
         return order.__iter__()
 
-    def writeToStream(self, stream, indent, container):
+    def writeToStream(self, stream, indent, container, evaluated=False):
         """
         Write this instance to a stream at the specified indentation level.
 
@@ -593,10 +596,10 @@ class Mapping(Container):
             if isinstance(container, Mapping):
                 stream.write(NEWLINE)
             stream.write('%s{%s' % (indstr, NEWLINE))
-            self.__save__(stream, indent + 1)
+            self.__save__(stream, indent + 1, evaluated=evaluated)
             stream.write('%s}%s' % (indstr, NEWLINE))
 
-    def __save__(self, stream, indent=0):
+    def __save__(self, stream, indent=0, evaluated=False):
         """
         Save this configuration to the specified stream.
         @param stream: A stream to which the configuration is written.
@@ -621,9 +624,9 @@ class Mapping(Container):
             stream.write('%s%-*s :' % (indstr, maxlen, skey))
             value = data[key]
             if isinstance(value, Container):
-                value.writeToStream(stream, indent, self)
+                value.writeToStream(stream, indent, self, evaluated=evaluated)
             else:
-                self.writeValue(value, stream, indent)
+                self.writeValue(value, stream, indent, evaluated=evaluated)
 
 class Config(Mapping):
     """
@@ -724,7 +727,7 @@ class Config(Mapping):
         else:
             delattr(namespaces[0], name)
 
-    def __save__(self, stream, indent=0, no_close=False):
+    def __save__(self, stream, indent=0, no_close=False, evaluated=False):
         """
         Save this configuration to the specified stream. The stream is
         closed if this is the top-level configuration in the hierarchy.
@@ -734,7 +737,7 @@ class Config(Mapping):
         @param indent: The indentation level for the output.
         @type indent: int
         """
-        Mapping.__save__(self, stream, indent)
+        Mapping.__save__(self, stream, indent, evaluated=evaluated)
         if indent == 0 and not no_close:
             stream.close()
 
@@ -814,7 +817,7 @@ class Sequence(Container):
         try:
             rv = data[index]
         except (IndexError, KeyError, TypeError):
-            raise ConfigResolutionError('%r is not a valid index for %r' % (index, object.__getattribute__(self, 'path')))
+            raise ConfigResolutionError('Invalid pyconf index %r for %r' % (index, object.__getattribute__(self, 'path')))
         if not isinstance(rv, list):
             rv = self.evaluate(rv)
         else:
@@ -837,7 +840,7 @@ class Sequence(Container):
     def __len__(self):
         return len(object.__getattribute__(self, 'data'))
 
-    def writeToStream(self, stream, indent, container):
+    def writeToStream(self, stream, indent, container, evaluated=False):
         """
         Write this instance to a stream at the specified indentation level.
 
@@ -857,10 +860,10 @@ class Sequence(Container):
             if isinstance(container, Mapping):
                 stream.write(NEWLINE)
             stream.write('%s[%s' % (indstr, NEWLINE))
-            self.__save__(stream, indent + 1)
+            self.__save__(stream, indent + 1, evaluated=evaluated)
             stream.write('%s]%s' % (indstr, NEWLINE))
 
-    def __save__(self, stream, indent):
+    def __save__(self, stream, indent, evaluated=False):
         """
         Save this instance to the specified stream.
         @param stream: A stream to which the configuration is written.
@@ -879,9 +882,9 @@ class Sequence(Container):
             if comment:
                 stream.write('%s#%s' % (indstr, comment))
             if isinstance(value, Container):
-                value.writeToStream(stream, indent, self)
+                value.writeToStream(stream, indent, self, evaluated=evaluated)
             else:
-                self.writeValue(value, stream, indent)
+                self.writeValue(value, stream, indent, evaluated=evaluated)
 
 class Reference(object):
     """