added stdin input capability

git-svn-id: http://svn.code.sf.net/p/docutils/code/trunk@1001 929543f6-e4f2-0310-98a6-ba3bd3dd1d04

1 files changed, 11 insertions, 5 deletions

diff --git a/docutils/test/test_readers/test_python/showparse b/docutils/test/test_readers/test_python/showparse
index 61e08ba92..8144256d6 100755
--- a/docutils/test/test_readers/test_python/showparse
+++ b/docutils/test/test_readers/test_python/showparse
@@ -3,14 +3,17 @@
 """
 This is a tool for exploring abstract syntax trees generated by
 ``parser.suite()`` from test data in
-docutils/test/test_readers/test_python/test_parser.
+docutils/test/test_readers/test_python/test_parser or stdin.
 
 Usage::
 
     showparse <key> <index>
 
+    showparse < <module.py>
+
 Where ``<key>`` is the key to the ``totest`` dictionary, and ``<index>`` is
-the index of the list ``totest[key]``.
+the index of the list ``totest[key]``.  If no arguments are given, stdin is
+used for input.
 """
 
 import sys
@@ -32,9 +35,12 @@ def name_elements(ast):
         if type(node) == types.ListType:
             name_elements(node)
 
-key, caseno = sys.argv[1:]
-print 'totest["%s"][%s][0]:\n' % (key, caseno)
-input_text = test_parser.totest[key][int(caseno)][0]
+if len(sys.argv) > 1:
+    key, caseno = sys.argv[1:]
+    print 'totest["%s"][%s][0]:\n' % (key, caseno)
+    input_text = test_parser.totest[key][int(caseno)][0]
+else:
+    input_text = sys.stdin.read()
 print input_text
 module = parser.suite(input_text)
 ast = parser.ast2list(module, line_info=1)