Added docx writer related modules

ebook_converter/ebooks/docx/writer/utils.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python2
+# vim:fileencoding=utf-8
+from __future__ import absolute_import, division, print_function, unicode_literals
+
+__license__ = 'GPL v3'
+__copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
+
+from tinycss.color3 import parse_color_string
+
+
+def int_or_zero(raw):
+    try:
+        return int(raw)
+    except (ValueError, TypeError, AttributeError):
+        return 0
+
+# convert_color() {{{
+
+
+def convert_color(value):
+    if not value:
+        return
+    if value.lower() == 'currentcolor':
+        return 'auto'
+    val = parse_color_string(value)
+    if val is None:
+        return
+    if val.alpha < 0.01:
+        return
+    return '%02X%02X%02X' % (int(val.red * 255), int(val.green * 255), int(val.blue * 255))
+
+
+def test_convert_color(return_tests=False):
+    import unittest
+
+    class TestColors(unittest.TestCase):
+
+        def test_color_conversion(self):
+            ae = self.assertEqual
+            cc = convert_color
+            ae(None, cc(None))
+            ae(None, cc('transparent'))
+            ae(None, cc('none'))
+            ae(None, cc('#12j456'))
+            ae('auto', cc('currentColor'))
+            ae('F0F8FF', cc('AliceBlue'))
+            ae('000000', cc('black'))
+            ae('FF0000', cc('red'))
+            ae('00FF00', cc('lime'))
+            ae(cc('#001'), '000011')
+            ae('12345D', cc('#12345d'))
+            ae('FFFFFF', cc('rgb(255, 255, 255)'))
+            ae('FF0000', cc('rgba(255, 0, 0, 23)'))
+    tests = unittest.defaultTestLoader.loadTestsFromTestCase(TestColors)
+    if return_tests:
+        return tests
+    unittest.TextTestRunner(verbosity=4).run(tests)
+# }}}