coreutils geri geldi [paketlerin kullanması için]

pisi/actionsapi/coreutils.py

@@ -0,0 +1,75 @@
+#!/usr/bin/python
+#-*- coding: utf-8 -*-
+#
+# Copyright (C) 2005, TUBITAK/UEKAE
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation; either version 2 of the License, or (at your option)
+# any later version.
+#
+# Please read the COPYING file.
+#
+
+# Standard Python Modules
+import sys
+import re
+from itertools import izip, imap, count, ifilter, ifilterfalse
+
+def cat(filename):
+    return file(filename).xreadlines()
+
+class grep:
+    """keep only lines that match the regexp"""
+    def __init__(self, pat, flags = 0):
+        self.fun = re.compile(pat, flags).match
+    def __ror__(self, input):
+        return ifilter(self.fun, input)
+
+class tr:
+    """apply arbitrary transform to each sequence element"""
+    def __init__(self, transform):
+        self.tr = transform
+    def __ror__(self, input):
+        return imap(self.tr, input)
+
+class printto:
+    """print sequence elements one per line"""
+    def __init__(self, out = sys.stdout):
+        self.out = out
+    def __ror__(self,input):
+        for l in input:
+            print >> self.out, l
+
+printlines = printto(sys.stdout)
+
+class terminator:
+    def __init__(self,method):
+        self.process = method
+    def __ror__(self,input):
+        return self.process(input)
+
+aslist = terminator(list)
+asdict = terminator(dict)
+astuple = terminator(tuple)
+join = terminator("".join)
+enum = terminator(enumerate)
+
+class sort:
+    def __ror__(self,input):
+        ll = list(input)
+        ll.sort()
+        return ll
+sort = sort()
+
+class uniq:
+    def __ror__(self,input):
+        for i in input:
+            try:
+                if i == prev:
+                    continue
+            except NameError:
+                pass            
+            prev = i
+            yield i
+uniq = uniq()