Code fixes

Changes:
 * utils.py file created.
 * Docstrings added.
 * Comments in globals.

Signed-off-by: Agustin Zubiaga <aguz@sugarlabs.org>

1 files changed, 66 insertions, 0 deletions

diff --git a/utils.py b/utils.py
new file mode 100644
index 0000000..c4a2ae5
--- /dev/null
+++ b/utils.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# utils.py by:
+#    Agustin Zubiaga <aguzubiaga97@gmail.com>
+
+# 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 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+import os
+import gconf
+
+
+def rgb_to_html(color):
+    '''Returns a html string from a Gdk color'''
+    red = "%x" % int(color.red / 65535.0 * 255)
+    if len(red) == 1:
+            red = "0%s" % red
+
+    green = "%x" % int(color.green / 65535.0 * 255)
+
+    if len(green) == 1:
+            green = "0%s" % green
+
+    blue = "%x" % int(color.blue / 65535.0 * 255)
+
+    if len(blue) == 1:
+            blue = "0%s" % blue
+
+    new_color = "#%s%s%s" % (red, green, blue)
+
+    return new_color
+
+
+def get_user_color():
+    '''Returns the user colors'''
+    color = gconf.client_get_default().get_string("/desktop/sugar/user/color")
+    return color.split(",")
+
+
+def get_chart_file(activity_dir):
+    '''Returns a path for write the chart in a png image'''
+    chart_file = os.path.join(activity_dir, "chart-1.png")
+    num = 0
+
+    while os.path.exists(chart_file):
+        num += 1
+        chart_file = os.path.join(activity_dir, "chart-" + str(num) + ".png")
+
+    return chart_file
+
+
+def get_decimals(number):
+    '''Returns the decimals count of a number'''
+    return str(len(number.split('.')[1]))