169 lines
5.4 KiB
Python
Executable File
169 lines
5.4 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: UTF-8 no BOM -*-
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import os,sys,string,re,math,numpy
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from optparse import OptionParser, OptionGroup, Option, SUPPRESS_HELP
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# -----------------------------
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class extendedOption(Option):
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# -----------------------------
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# used for definition of new option parser action 'extend', which enables to take multiple option arguments
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# taken from online tutorial http://docs.python.org/library/optparse.html
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ACTIONS = Option.ACTIONS + ("extend",)
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STORE_ACTIONS = Option.STORE_ACTIONS + ("extend",)
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TYPED_ACTIONS = Option.TYPED_ACTIONS + ("extend",)
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ALWAYS_TYPED_ACTIONS = Option.ALWAYS_TYPED_ACTIONS + ("extend",)
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def take_action(self, action, dest, opt, value, values, parser):
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if action == "extend":
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lvalue = value.split(",")
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values.ensure_value(dest, []).extend(lvalue)
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else:
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Option.take_action(self, action, dest, opt, value, values, parser)
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# ----------------------- MAIN -------------------------------
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identifiers = {
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'resolution': ['a','b','c'],
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'dimension': ['x','y','z'],
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'origin': ['x','y','z'],
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}
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mappings = {
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'resolution': lambda x: int(x),
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'dimension': lambda x: float(x),
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'origin': lambda x: float(x),
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'homogenization': lambda x: int(x),
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'maxgraincount': lambda x: int(x),
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}
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parser = OptionParser(option_class=extendedOption, usage='%prog options [file[s]]', description = """
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compress geometry files with ranges "a to b" and/or multiples "n copies of x".
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""" + string.replace('$Id$','\n','\\n')
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)
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(options, filenames) = parser.parse_args()
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# ------------------------------------------ setup file handles ---------------------------------------
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files = []
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if filenames == []:
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files.append({'name':'STDIN', 'input':sys.stdin, 'output':sys.stdout})
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else:
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for name in filenames:
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if os.path.exists(name):
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files.append({'name':name, 'input':open(name), 'output':open(name+'_tmp','w')})
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# ------------------------------------------ loop over input files ---------------------------------------
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for file in files:
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if file['name'] != 'STDIN': print file['name']
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# get labels by either read the first row, or - if keyword header is present - the last line of the header
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firstline = file['input'].readline()
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m = re.search('(\d+)\s*head', firstline.lower())
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if m:
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headerlines = int(m.group(1))
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headers = [firstline]+[file['input'].readline() for i in range(headerlines)]
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else:
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headerlines = 1
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headers = firstline
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content = file['input'].readlines()
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file['input'].close()
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info = {'resolution': [0,0,0],
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'dimension': [0.0,0.0,0.0],
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'origin': [0.0,0.0,0.0],
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'homogenization': 1,
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'maxgraincount': 0,
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}
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new_header = []
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for header in headers:
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headitems = map(str.lower,header.split())
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if headitems[0] in mappings.keys():
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if headitems[0] in identifiers.keys():
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for i in xrange(len(identifiers[headitems[0]])):
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info[headitems[0]][i] = \
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mappings[headitems[0]](headitems[headitems.index(identifiers[headitems[0]][i])+1])
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else:
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info[headitems[0]] = mappings[headitems[0]](headitems[1])
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if info['resolution'] == [0,0,0]:
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print 'no resolution info found.'
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continue
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if info['dimension'] == [0.0,0.0,0.0]:
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print 'no dimension info found.'
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continue
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if file['name'] != 'STDIN':
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print 'resolution: %s'%(' x '.join(map(str,info['resolution'])))
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print 'dimension: %s'%(' x '.join(map(str,info['dimension'])))
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print 'origin: %s'%(' : '.join(map(str,info['origin'])))
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new_header.append("resolution\ta %i\tb %i\tc %i\n"%(
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info['resolution'][0],
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info['resolution'][1],
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info['resolution'][2],))
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new_header.append("dimension\tx %f\ty %f\tz %f\n"%(
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info['dimension'][0],
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info['dimension'][1],
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info['dimension'][2]))
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new_header.append("origin\tx %f\ty %f\tz %f\n"%(
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info['origin'][0],
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info['origin'][1],
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info['origin'][2]))
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new_header.append("homogenization\t%i\n"%info['homogenization'])
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new_header.append("maxGrainCount\t%i\n"%info['maxgraincount'])
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# ------------------------------------------ assemble header ---------------------------------------
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file['output'].write('%i\theader\n'%(len(new_header))+''.join(new_header))
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# ------------------------------------------ pack input ---------------------------------------
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type = ''
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former = -1
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start = -1
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reps = 0
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for line in content:
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for current in map(int,line.split()):
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if current == former+1 and start+reps == former+1:
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type = 'to'
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reps += 1
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elif current == former and start == former:
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type = 'of'
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reps += 1
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else:
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output = {'': '',
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'.': str(former)+'\n',
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'to': '%i to %i\n'%(former-reps+1,former),
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'of': '%i copies of %i\n'%(reps,former),
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}[type]
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file['output'].write(output)
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type = '.'
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start = current
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reps = 1
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former = current
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# write out last item...
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output = {'.': str(former),
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'to': '%i to %i'%(former-reps+1,former),
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'of': '%i copies of %i'%(reps,former),
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}[type]
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file['output'].write(output+'\n')
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# ------------------------------------------ output finalization ---------------------------------------
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if file['name'] != 'STDIN':
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file['output'].close()
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os.rename(file['name']+'_tmp',file['name'])
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