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# Copyright (c) 2006,2007,2008 Mitch Garnaat http://garnaat.org/
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish, dis-
# tribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the fol-
# lowing conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
class Blob(object):
"""Blob object"""
def __init__(self, value=None, file=None, id=None):
self._file = file
self.id = id
self.value = value
@property
def file(self):
from StringIO import StringIO
if self._file:
f = self._file
else:
f = StringIO(self.value)
return f
def __str__(self):
if hasattr(self.file, "get_contents_as_string"):
return str(self.file.get_contents_as_string())
else:
return str(self.file.getvalue())
def read(self):
return self.file.read()
def readline(self):
return self.file.readline()
def next(self):
return sefl.file.next()
def __iter__(self):
return iter(self.file)
@property
def size(self):
if self._file:
return self._file.size
elif self.value:
return len(self.value)
else:
return 0
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