[pypy-svn] r8675 - pypy/dist/pypy/tool

[tismer at codespeak.net]

Author: tismer
Date: Fri Jan 28 18:48:02 2005
New Revision: 8675

Added:
   pypy/dist/pypy/tool/sourcetools.py
Log:
extracting a few helpers which I need in multiple
source generating applications

Added: pypy/dist/pypy/tool/sourcetools.py
==============================================================================
--- (empty file)
+++ pypy/dist/pypy/tool/sourcetools.py	Fri Jan 28 18:48:02 2005
@@ -0,0 +1,23 @@
+# a couple of support functions which
+# help with generating Python source.
+
+# this script is used for extracting
+# the information available for exceptions
+# via introspection.
+# The idea is to use it once to create
+# a template for a re-birth of exceptions.py
+
+def render_docstr(func, indent_str, q='"""', redo=True):
+    """render a docstring as a sequenceof lines """
+    doc = func.__doc__
+    if doc is None:
+        return []
+    doc = indent_str + q + doc.replace(q, "\\"+q) + q
+    doc2 = doc
+    if q in doc and redo:
+        doc2 = render_docstr(func, indent_str, "'''", False)
+    if not redo:
+        return doc # recursion case
+    doc = (doc, doc2)[len(doc2) < len(doc)]
+    return [line for line in doc.split('\n')]
+