[Python-checkins] r55750 - sandbox/trunk/import_in_py/pseudocode.py

[brett.cannon]

Author: brett.cannon
Date: Sun Jun  3 21:52:47 2007
New Revision: 55750

Modified:
   sandbox/trunk/import_in_py/pseudocode.py
Log:
Put pseudocode into a function format so that one knows where arguments come
from.


Modified: sandbox/trunk/import_in_py/pseudocode.py
==============================================================================
--- sandbox/trunk/import_in_py/pseudocode.py	(original)
+++ sandbox/trunk/import_in_py/pseudocode.py	Sun Jun  3 21:52:47 2007
@@ -1,21 +1,24 @@
-"""Pseudocode to explain how importing works.
+raise ImportError("module is just pseudocode")
 
-Caveats:
-    + Classic relative import semantics are not currently covered.
-    + Assume all code runs with the import lock held.
+def __import__(name, globals, locals, fromlist, level):
+    """Pseudocode to explain how importing works.
 
-"""
-if level != 0:  # Relative import.
-    name = resolve_name(name, level)  # XXX
-# Import each parent in the name, starting at root.
-# Skipping over details of constructing each parent name and setting the proper
-# attribute on the parent for newly imported modules.
-for parent in name:
-    if parent in sys.modules:
-        continue
-    for meta_importer in sys.meta_path:
-        check_meta_path(parent, meta_importer)  # XXX
-    for path_entry in sys.path:
-        check_path(parent, path_entry)  # XXX
-    # XXX error: not found
-return module_to_return(path, fromlist)  # XXX
+    Caveats:
+        + Classic relative import semantics are not currently covered.
+        + Assume all code runs with the import lock held.
+
+    """
+    if level != 0:  # Relative import.
+        name = resolve_name(name, level)  # XXX
+    # Import each parent in the name, starting at root.
+    # Skipping over details of constructing each parent name and setting the
+    # proper attribute on the parent for newly imported modules.
+    for parent in name:
+        if parent in sys.modules:
+            continue
+        for meta_importer in sys.meta_path:
+            check_meta_path(parent, meta_importer)  # XXX
+        for path_entry in sys.path:
+            check_path(parent, path_entry)  # XXX
+        # XXX error: not found
+    return module_to_return(path, fromlist)  # XXX