[Assorted-commits] SF.net SVN: assorted:[982] python-commons/trunk/src/commons/strs.py

[<yan...@us...>]

Revision: 982
          http://assorted.svn.sourceforge.net/assorted/?rev=982&view=rev
Author:   yangzhang
Date:     2008-10-02 19:14:50 +0000 (Thu, 02 Oct 2008)

Log Message:
-----------
added indent, underline, dos2unix, unicode2html

Modified Paths:
--------------
    python-commons/trunk/src/commons/strs.py

Modified: python-commons/trunk/src/commons/strs.py
===================================================================
--- python-commons/trunk/src/commons/strs.py	2008-10-02 19:14:28 UTC (rev 981)
+++ python-commons/trunk/src/commons/strs.py	2008-10-02 19:14:50 UTC (rev 982)
@@ -5,7 +5,7 @@
 String formatting.
 """
 
-import itertools
+import itertools, cgi, re
 
 def format( *args ):
     """Formats the args as they would be by the C{print} built-in."""
@@ -64,3 +64,28 @@
     """
     if isinstance(s, str): s = s.strip().split('\n')
     return ' '.join( line.strip() for line in s )
+
+def indent(s, ind = '  '):
+    """
+    Prefixes each line in L{s} with L{ind}.  L{s} can be either a string (which
+    will be broken up into a list of lines) or a list of strings (treated as
+    lines).  Returns a single (indented) string.
+    """
+    if isinstance(s, str): s = s.split('\n')
+    return '\n'.join( ind + line for line in s )
+
+def underline(s, sep):
+    """
+    Appends to L{s} a newline and a number of repetitions of L{sep}; the number
+    of repetitions is the length of L{s}.
+    """
+    return s + '\n' + (sep * len(s))
+
+def dos2unix(s):
+    "Removes carriage returns."
+    return s.replace('\r','')
+
+pat = re.compile(u'[\u0080-\uffff]')
+def unicode2html(s):
+    "Extends cgi.escape() with escapes for all unicode characters."
+    return pat.sub(lambda m: '&#%d;' % ord(m.group()), cgi.escape(s))


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