old_contents: #
  # Copyright (c) 2013 Matwey V. Kornilov <matwey.kornilov@gmail.com>
  #
  # 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, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following 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 MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS 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.
  #
  
  from beam_construct import beam
  
  class BeamFile(object):
  	def __init__(self, filename):
  		self._tree = beam.parse(file(filename,"r").read())
  
  	def selectChunkByName(self, name):
  		for c in self._tree.chunk:
  			if c.chunk_name == name:
  				return c
  		raise KeyError(name)
  
  	@property
  	def atoms(self):
  		return self.selectChunkByName("Atom").payload.atom
  
  	@property
  	def exports(self):
  		expt = self.selectChunkByName("ExpT")
  		atoms = self.atoms
  		return [(atoms[e.function-1], e.arity, e.label) for e in expt.payload.entry]
  
  	@property
  	def imports(self):
  		impt = self.selectChunkByName("ImpT")
  		atoms = self.atoms
  		return [(atoms[e.module-1], atoms[e.function-1], e.arity) for e in impt.payload.entry]
  
  	@property
  	def attributes(self):
  		attr = self.selectChunkByName("Attr")
  		# convert from proplist to dict
  		return dict(attr.payload.term)
  	
  	@property
  	def compileinfo(self):
  		cinf = self.selectChunkByName("CInf")
  		return dict(cinf.payload.term)
  
new_contents: #
  # Copyright (c) 2013 Matwey V. Kornilov <matwey.kornilov@gmail.com>
  #
  # 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, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following 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 MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS 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.
  #
  
  from beam_construct import beam
  
  class BeamFile(object):
  	def __init__(self, filename):
  		self._tree = beam.parse(file(filename,"r").read())
  
  	def selectChunkByName(self, name):
  		for c in self._tree.chunk:
  			if c.chunk_name == name:
  				return c
  		raise KeyError(name)
  
  	@property
  	def atoms(self):
  		return self.selectChunkByName("Atom").payload.atom
  
  	@property
  	def modulename(self):
  		return self.atoms[0]
  
  	@property
  	def exports(self):
  		expt = self.selectChunkByName("ExpT")
  		atoms = self.atoms
  		return [(atoms[e.function-1], e.arity, e.label) for e in expt.payload.entry]
  
  	@property
  	def imports(self):
  		impt = self.selectChunkByName("ImpT")
  		atoms = self.atoms
  		return [(atoms[e.module-1], atoms[e.function-1], e.arity) for e in impt.payload.entry]
  
  	@property
  	def attributes(self):
  		attr = self.selectChunkByName("Attr")
  		# convert from proplist to dict
  		return dict(attr.payload.term)
  	
  	@property
  	def compileinfo(self):
  		cinf = self.selectChunkByName("CInf")
  		return dict(cinf.payload.term)
  
subject: Add @property modulename