Fix a unicode bug in python3.

Fixes #609

pythonx/UltiSnips/_vim.py

@@ -43,11 +43,8 @@ class VimBuffer(object):
     @property
     def line_till_cursor(self):  # pylint:disable=no-self-use
         """Returns the text before the cursor."""
-        # Note: we want byte position here
-        _, col = vim.current.window.cursor
-        line = vim.current.line
-        before = as_unicode(line[:col])
-        return before
+        _, col = self.cursor
+        return as_unicode(vim.current.line)[:col]
 
     @property
     def number(self):  # pylint:disable=no-self-use

test/test_Chars.py

@@ -240,4 +240,15 @@ class Snippet_With_Umlauts_Python(_UmlautsBase):
     snippets = ('ül', 'üü ${1:world} üü `!p snip.rv = len(t[1])*"a"`')
     keys = 'te ül' + EX + 'hüüll'
     wanted = 'te üü hüüll üü aaaaa'
+
+class UmlautsBeforeTriggerAndCharsAfter(_UmlautsBase):
+    snippets = ('trig', 'success')
+    keys = 'ööuu trig b' + 2 * ARR_L + EX
+    wanted = 'ööuu success b'
+
+class NoUmlautsBeforeTriggerAndCharsAfter(_UmlautsBase):
+    snippets = ('trig', 'success')
+    keys = 'oouu trig b' + 2 * ARR_L + EX
+    wanted = 'oouu success b'
+
 # End: Umlauts and Special Chars  #}}}

travis_test.sh

@@ -16,22 +16,14 @@ elif [[ $VIM_VERSION == "NEOVIM" ]]; then
    VIM="$(which nvim)"
    if [[ $TRAVIS_PYTHON_VERSION =~ ^2\. ]]; then
       INTERFACE="--interface tmux_nvim --python-host-prog=$PYTHON_CMD"
-      PY_IN_VIM="py"
    else
       INTERFACE="--interface tmux_nvim --python3-host-prog=$PYTHON_CMD"
-      PY_IN_VIM="py3"
    fi
 else
    echo "Unknown VIM_VERSION: $VIM_VERSION"
    exit 1
 fi
 
-if [[ $TRAVIS_PYTHON_VERSION =~ ^2\. ]]; then
-   PY_IN_VIM="py"
-else
-   PY_IN_VIM="py3"
-fi
-
 PYTHON_VERSION=$($PYTHON_CMD -c 'import sys;print(sys.version.split()[0])')
 echo "Using python from: $PYTHON_CMD Version: $PYTHON_VERSION"
 echo "Using vim from: $VIM. Version: $($VIMn)"