--- /dev/null
+# Copyright 2012 GRNET S.A. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or
+# without modification, are permitted provided that the following
+# conditions are met:
+#
+# 1. Redistributions of source code must retain the above
+# copyright notice, this list of conditions and the following
+# disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following
+# disclaimer in the documentation and/or other materials
+# provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# The views and conclusions contained in the software and
+# documentation are those of the authors and should not be
+# interpreted as representing official policies, either expressed
+# or implied, of GRNET S.A.
+
+from image_creator.output import Output
+
+import sys
+from colors import red, green, yellow
+from progress.bar import Bar
+
+
+def output(msg='', new_line=True, decorate=lambda x: x):
+ nl = "\n" if new_line else ' '
+ sys.stderr.write(decorate(msg) + nl)
+
+
+def error(msg, new_line=True, colored=True):
+ color = red if colored else lambda x: x
+ output("Error: %s" % msg, new_line, color)
+
+
+def warn(msg, new_line=True, colored=True):
+ color = yellow if colored else lambda x: x
+ output("Warning: %s" % msg, new_line, color)
+
+
+def success(msg, new_line=True, colored=True):
+ color = green if colored else lambda x: x
+ output(msg, new_line, color)
+
+
+class SilentOutput(Output):
+ pass
+
+
+class SimpleOutput(Output):
+ def __init__(self, colored=True):
+ self.colored = colored
+
+ def error(self, msg, new_line=True):
+ error(msg, new_line, self.colored)
+
+ def warn(self, msg, new_line=True):
+ warn(msg, new_line, self.colored)
+
+ def success(self, msg, new_line=True):
+ success(msg, new_line, self.colored)
+
+ def output(self, msg='', new_line=True):
+ output(msg, new_line)
+
+
+class OutputWthProgress(SimpleOutput):
+ class _Progress(Bar):
+ MESSAGE_LENGTH = 30
+
+ template = {
+ 'default': '%(index)d/%(max)d',
+ 'percent': '%(percent)d%%',
+ 'b': '%(index)d/%(max)d B',
+ 'kb': '%(index)d/%(max)d KB',
+ 'mb': '%(index)d/%(max)d MB'
+ }
+
+ def __init__(self, size, title, bar_type='default'):
+ super(OutputWthProgress._Progress, self).__init__()
+ self.title = title
+ self.fill = '#'
+ self.bar_prefix = ' ['
+ self.bar_suffix = '] '
+ self.message = ("%s:" % self.title).ljust(self.MESSAGE_LENGTH)
+ self.suffix = self.template[bar_type]
+ self.max = size
+
+ # print empty progress bar workaround
+ self.goto(1)
+
+ def success(self, result):
+ self.output.output("\r%s...\033[K" % self.title, False)
+ self.output.success(result)
+
+
+# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :