Synnefo » ./kamaki

# Copyright 2011 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.

def print_dict(d, exclude=(), ident= 0):

    if 0 == len(d):

        return

    margin = max(1 + max(len(key) for key in d), ident)

    for key, val in d.items():

        if key in exclude:

            continue

        print_str = '%s:' % unicode(key)

        if isinstance(val, dict):

            print(print_str.rjust(margin)+' {')

            print_dict(val, exclude = exclude, ident = margin + 6)

            print '}'.rjust(margin)

        elif isinstance(val, list):

            print(print_str.rjust(margin)+' [')

            print_list(val, exclude = exclude, ident = margin + 6)

            print ']'.rjust(margin)

        else:

            print print_str.rjust(margin)+' '+unicode(val)

def print_list(l, exclude=(), ident = 0):

    if 0 == len(l):

        return

    margin = max(1 + max(len(item) for item in l), ident)

    for item in l:

        if item in exclude:

            continue

        if isinstance(item, dict):

            print('{'.rjust(margin))

            print_dict(item, exclude = exclude, ident = margin + 6)

            print '}'.rjust(margin)

        elif isinstance(item, list):

            print '['.rjust(margin)

            print_list(item, exclude = exclude, ident = margin + 6)

            print ']'.rjust(margin)

        else:

            print unicode(item).rjust(margin)

def print_items(items, title=('id', 'name')):

    for item in items:

        print ' '.join(unicode(item.pop(key)) for key in title if key in item)

        if item:

            print_dict(item)

            print

def format_size(size):

    units = ('B', 'K', 'M', 'G', 'T')

    size = float(size)

    for unit in units:

        if size <= 1024:

            break

        size /= 1024

    s = ('%.1f' % size).rstrip('.0')

    return s + unit

def dict_from_args(*args):

    return {args[i]:args[i+1] for i in range(0, len(args)/2)}