[gentoo-portage-dev] [PATCH 2/3] checksum: Remove redundant internal fallbacks

[Michał Górny]

Remove the internal digest fallbacks since they have no real use
nowadays. The hashlib versions are preferred later in the logic anyway,
and they are available since Python 2.5.
---
 pym/portage/checksum.py | 19 ++-----------------
 1 file changed, 2 insertions(+), 17 deletions(-)

diff --git a/pym/portage/checksum.py b/pym/portage/checksum.py
index 319252315..8b4d96e30 100644
--- a/pym/portage/checksum.py
+++ b/pym/portage/checksum.py
@@ -18,8 +18,8 @@ import tempfile
 # most preferred first. Please keep this in sync with logic below.
 # ================================================================
 #
-# MD5: python-fchksum, hashlib, mhash, hashlib/md5
-# SHA1: hashlib, mhash, hashlib/sha1
+# MD5: python-fchksum, hashlib, mhash
+# SHA1: hashlib, mhash
 # SHA256: hashlib, pycrypto, mhash
 # SHA512: hashlib, mhash
 # RMD160: hashlib, pycrypto, mhash
@@ -77,21 +77,6 @@ class _generate_hash_function(object):
 # Define hash functions, try to use the best module available. Later definitions
 # override earlier ones
 
-# Use the internal modules as last fallback
-try:
-	from hashlib import md5 as _new_md5
-except ImportError:
-	from md5 import new as _new_md5
-
-md5hash = _generate_hash_function("MD5", _new_md5, origin="internal")
-
-try:
-	from hashlib import sha1 as _new_sha1
-except ImportError:
-	from sha import new as _new_sha1
-
-sha1hash = _generate_hash_function("SHA1", _new_sha1, origin="internal")
-
 # Try to use mhash if available
 # mhash causes GIL presently, so it gets less priority than hashlib and
 # pycrypto. However, it might be the only accelerated implementation of
-- 
2.12.0