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lunar pushed a commit to branch pu/reproducible_builds
in repository dh-python.

commit 791609b7e0c743a33cc6071949609e59f678abcd
Author: Piotr Ożarowski <pi...@debian.org>
Date:   Mon Jan 27 21:23:42 2014 +0100

    Make sure only first line is taken into account while checking shebangs
---
 debian/changelog        | 2 ++
 dhpython/interpreter.py | 7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/debian/changelog b/debian/changelog
index 3df1578..031b85d 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,8 @@ dh-python (1.20131021-2) UNRELEASED; urgency=low
   * dh_python3, dh_pypy: add support for debian/package.pyremove files
   * dh_python3: add multiarch tuples to all already tagged extensions if
     when more than one Python 3 version is supported (closes: 733128)
+  * Make sure only first line is taken into account while checking shebangs
+    (closes: 732308)
 
  -- Piotr Ożarowski <pi...@debian.org>  Tue, 05 Nov 2013 22:57:20 +0100
 
diff --git a/dhpython/interpreter.py b/dhpython/interpreter.py
index a1b09b9..859dd2f 100644
--- a/dhpython/interpreter.py
+++ b/dhpython/interpreter.py
@@ -204,7 +204,12 @@ class Interpreter:
             data = fp.read(96)
             if b"\0" in data:
                 raise ValueError('cannot parse binary file')
-        parsed = cls.parse(str(data, 'utf-8'))
+        # make sure only first line is checkeed
+        data = str(data, 'utf-8').split('\n')[0]
+        if not data.startswith('#!'):
+            raise ValueError("doesn't look like a shebang: %s" % data)
+
+        parsed = cls.parse(data)
         if not parsed:
             raise ValueError("doesn't look like a shebang: %s" % data)
         for key, val in parsed.items():

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