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From: "André Erdmann" <dywi@mailerd.de>
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Reply-To: gentoo-dev@lists.gentoo.org, "André Erdmann" <dywi@mailerd.de>
Message-ID: <1379003415.2cc79dc0280b25cfabdd8c5166a35f61ff17935c.dywi@gentoo>
Subject: [gentoo-commits] proj/R_overlay:master commit in: roverlay/util/
X-VCS-Repository: proj/R_overlay
X-VCS-Files: roverlay/util/dictwalk.py
X-VCS-Directories: roverlay/util/
X-VCS-Committer: dywi
X-VCS-Committer-Name: André Erdmann
X-VCS-Revision: 2cc79dc0280b25cfabdd8c5166a35f61ff17935c
X-VCS-Branch: master
Date: Thu, 12 Sep 2013 16:36:40 +0000 (UTC)
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commit: 2cc79dc0280b25cfabdd8c5166a35f61ff17935c
Author: André Erdmann <dywi <AT> mailerd <DOT> de>
AuthorDate: Thu Sep 12 16:30:15 2013 +0000
Commit: André Erdmann <dywi <AT> mailerd <DOT> de>
CommitDate: Thu Sep 12 16:30:15 2013 +0000
URL: http://git.overlays.gentoo.org/gitweb/?p=proj/R_overlay.git;a=commit;h=2cc79dc0
roverlay/util/dictwalk: dictmerge()
Convert an iterable of iterables with non-unique keys into a dict with one list
per key.
E.g.
[ ( "a", 1, 2 ), ( "a", 2, 3 ), ( "b", 1, 2 ) ]
-> dict( "a": [(1,2),(2,3)], "b": [(1,2)] )
---
roverlay/util/dictwalk.py | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/roverlay/util/dictwalk.py b/roverlay/util/dictwalk.py
index 52a8c61..0813d11 100644
--- a/roverlay/util/dictwalk.py
+++ b/roverlay/util/dictwalk.py
@@ -7,6 +7,27 @@
import roverlay.util.namespace
import roverlay.util.objects
+def dictmerge_inplace ( d, iterable, get_key=None, get_value=None ):
+ keyfunc = ( lambda x: x[0] ) if get_key is None else get_key
+ valfunc = ( lambda x: x[1:] ) if get_value is None else get_value
+
+ for item in iterable:
+ key = keyfunc ( item )
+ val = valfunc ( item )
+ entry = d.get ( key )
+ if entry is None:
+ d[key] = [ val ]
+ else:
+ #assert isinstance ( entry, list )
+ entry.append ( val )
+# --- end of dictmerge_inplace (...) ---
+
+def dictmerge ( iterable, dict_cls=dict, get_key=None, get_value=None ):
+ ret = dict_cls()
+ dictmerge_inplace ( ret, iterable, get_key=get_key, get_value=get_value )
+ return ret
+# --- end of dictmerge (...) ---
+
def dictwalk_create_parent_v ( root, path, dict_create=None, cautious=True ):
"""Creates a dict tree structure using keys the given path. The last path