X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=src%2Ftoolbox.py;h=92cfeff0ff9821ce96d43930c27e74d084202ee1;hb=58d050c9563dda95204c17b87ad10464a8863dd7;hp=4601f3feb332d777cc44d49b17c317da845e57b4;hpb=9c052e10a8ea601905c4476dd9e452e757f1341f;p=doneit

diff --git a/src/toolbox.py b/src/toolbox.py
index 4601f3f..92cfeff 100644
--- a/src/toolbox.py
+++ b/src/toolbox.py
@@ -1,10 +1,15 @@
 import sys
 import StringIO
 import urllib
+import urlparse
 from xml.dom import minidom
 import datetime
 
 
+class NonExistent(object):
+	pass
+
+
 class Optional(object):
 	"""
 	Taglines:
@@ -40,9 +45,6 @@ class Optional(object):
 	'Blacksheep'
 	"""
 
-	class NonExistent(object):
-		pass
-
 	def __init__(self, value = NonExistent):
 		self._value = value
 
@@ -50,10 +52,10 @@ class Optional(object):
 		self._value = value
 
 	def clear(self):
-		self._value = self.NonExistent
+		self._value = NonExistent
 
 	def is_good(self):
-		return self._value is not self.NonExistent
+		return self._value is not NonExistent
 
 	def get_nothrow(self, default = None):
 		return self._value if self.is_good() else default
@@ -75,6 +77,27 @@ class Optional(object):
 			id(self), self.get_nothrow("Nothing")
 		)
 
+	def __not__(self):
+		return not self.is_good()
+
+	def __eq__(self, rhs):
+		return self._value == rhs._value
+
+	def __ne__(self, rhs):
+		return self._value != rhs._value
+
+	def __lt__(self, rhs):
+		return self._value < rhs._value
+
+	def __le__(self, rhs):
+		return self._value <= rhs._value
+
+	def __gt__(self, rhs):
+		return self._value > rhs._value
+
+	def __ge__(self, rhs):
+		return self._value >= rhs._value
+
 
 def open_anything(source, alternative=None):
 	"""URI, filename, or string --> stream
@@ -134,6 +157,36 @@ def load_xml(source, alternative=None):
 	return xmldoc
 
 
+def abbreviate(text, expectedLen):
+	singleLine = " ".join(text.split("\n"))
+	lineLen = len(singleLine)
+	if lineLen <= expectedLen:
+		return singleLine
+
+	abbrev = "..."
+
+	leftLen = expectedLen // 2 - 1
+	rightLen = max(expectedLen - leftLen - len(abbrev) + 1, 1)
+
+	abbrevText =  singleLine[0:leftLen] + abbrev + singleLine[-rightLen:-1]
+	assert len(abbrevText) <= expectedLen, "Too long: '%s'" % abbrevText
+	return abbrevText
+
+
+def abbreviate_url(url, domainLength, pathLength):
+	urlParts = urlparse.urlparse(url)
+
+	netloc = urlParts.netloc
+	path = urlParts.path
+
+	pathLength += max(domainLength - len(netloc), 0)
+	domainLength += max(pathLength - len(path), 0)
+
+	netloc = abbreviate(netloc, domainLength)
+	path = abbreviate(path, pathLength)
+	return netloc + path
+
+
 def is_same_year(targetDate, todaysDate = datetime.datetime.today()):
 	return targetDate.year == todaysDate.year