Merged revisions 83392,83426 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/release27-maint

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  r83392 | georg.brandl | 2010-08-01 10:22:05 +0200 (So, 01 Aug 2010) | 1 line

  #8471: reset _SpoofOut.buf to an empty string when truncating; if Unicode had been output previously, it had been coerced to a Unicode string, potentially making subsequent prints behave differently or raise UnicodeErrors.
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  r83426 | georg.brandl | 2010-08-01 21:06:51 +0200 (So, 01 Aug 2010) | 27 lines

  Merged revisions 83370,83372-83374,83384 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/branches/py3k

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    r83370 | georg.brandl | 2010-07-31 23:51:48 +0200 (Sa, 31 Jul 2010) | 5 lines

    #8198: the Helper class should not save the stdin and stdout objects
    at import time, rather by default use the current streams like the
    other APIs that output help.
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    r83372 | georg.brandl | 2010-08-01 00:05:54 +0200 (So, 01 Aug 2010) | 1 line

    #4007: remove *.a and *.so.X.Y files in "make clean".
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    r83373 | georg.brandl | 2010-08-01 00:11:11 +0200 (So, 01 Aug 2010) | 1 line

    #5147: revert accidental indentation of header constant for MozillaCookieJar.
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    r83374 | georg.brandl | 2010-08-01 00:32:52 +0200 (So, 01 Aug 2010) | 1 line

    #5146: handle UID THREAD command correctly.
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    r83384 | georg.brandl | 2010-08-01 08:32:55 +0200 (So, 01 Aug 2010) | 1 line

    Build properties using lambdas.  This makes test_pyclbr pass again, because it does not think that input and output are methods anymore.
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1 files changed, 7 insertions, 4 deletions

diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index 4d6584b4fc..86a6aa02c1 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -1705,9 +1705,12 @@ class Helper:
         'CONTEXTMANAGERS': ('context-managers', 'with'),
     }
 
-    def __init__(self, input, output):
-        self.input = input
-        self.output = output
+    def __init__(self, input=None, output=None):
+        self._input = input
+        self._output = output
+
+    input  = property(lambda self: self._input or sys.stdin)
+    output = property(lambda self: self._output or sys.stdout)
 
     def __repr__(self):
         if inspect.stack()[1][3] == '?':
@@ -1884,7 +1887,7 @@ Enter any module name to get more help.  Or, type "modules spam" to search
 for modules whose descriptions contain the word "spam".
 ''')
 
-help = Helper(sys.stdin, sys.stdout)
+help = Helper()
 
 class Scanner:
     """A generic tree iterator."""