From: Michael W. Hudson <mwh@python.net>
Date: Fri, 22 Feb 2002 13:30:17 +0000 (+0000)
Subject: backport tim_one's checkin of
X-Git-Tag: v2.2.1c1~192
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a9793cb94af64d782075fb3a1a4514527c8ee334;p=thirdparty%2FPython%2Fcpython.git

backport tim_one's checkin of
    revision 1.3 of reindent.py

SF bug #497839:  reindent chokes on empty first lines.
Reindenter.run():  copy over initial all-whitespace lines (if any, and
after normalizing to remove trailing blanks and tabs).
Bugfix candidate.
---

diff --git a/Tools/scripts/reindent.py b/Tools/scripts/reindent.py
index e646aed9c3ce..21c553b7f805 100644
--- a/Tools/scripts/reindent.py
+++ b/Tools/scripts/reindent.py
@@ -157,6 +157,10 @@ class Reindenter:
         have2want = {}
         # Program after transformation.
         after = self.after = []
+        # Copy over initial empty lines -- there's nothing to do until
+        # we see a line with *something* on it.
+        i = stats[0][0]
+        after.extend(lines[1:i])
         for i in range(len(stats)-1):
             thisstmt, thislevel = stats[i]
             nextstmt = stats[i+1][0]