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root / tools / ASE2ase.py

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#!/usr/bin/env python
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import sys
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def convert(filename):
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    lines = open(filename).readlines()
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    t1 = ''.join(lines)
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    first = True
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    for i in range(len(lines)):
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        line = lines[i]
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        if line.startswith('from ASE'):
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            if first:
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                lines[i] = 'from ase.all import *\n'
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                first = False
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            else:
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                lines[i] = ''
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    t = ''.join(lines)
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    for old, new in [('GetCartesianPositions', 'get_positions'),
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                     ('SetCartesianPositions', 'set_positions'),
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                     ('GetPotentialEnergy', 'get_potential_energy'),
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                     ('SetCalculator', 'set_calculator'),
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                     ('GetScaledPositions', 'get_scaled_positions'),
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                     ('SetScaledPositions', 'set_scaled_positions'),
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                     ('SetUnitCell', 'set_cell'),
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                     ('GetUnitCell', 'get_cell'),
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                     ('GetBoundaryConditions', 'get_pbc'),
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                     ('GetCartesianForces', 'get_forces'),
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                     ('GetCartesianVelocities', 'get_velocities'),
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                     ('SetCartesianVelocities', 'set_velocities'),
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                     ('GetCartesianMomenta', 'get_momenta'),
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                     ('SetCartesianMomenta', 'set_momenta'),
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                     ('ListOfAtoms', 'Atoms'),
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                     ('periodic', 'pbc'),
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                     ('pbcity', 'periodicity'),
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                     ('.Converge(', '.run('),
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                     ('Repeat', 'repeat'),
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                     ('Numeric', 'numpy'),
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                     ('numpyal', 'Numerical'),
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                     ('GetAtomicNumber()', 'number'),
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                     ('GetChemicalSymbol()', 'symbol'),
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                     ('GetCartesianPosition()', 'position'),
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                     ('GetTag()', 'tag'),
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                     ('GetCharge()', 'charge'),
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                     ('GetMass()', 'mass'),
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                     ('GetCartesianMomentum()', 'momentum'),
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                     ('GetMagneticMoment()', 'magmom'),
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                     ]:
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        t = t.replace(old, new)
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    t2 = ''
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    while 1:
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        i = t.find('.')
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        i2 = t.find('def ')
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        if 0 <= i < i2:
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            n = 1
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        elif i2 != -1:
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            n = 4
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            i = i2
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        else:
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            break
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        t2 += t[:i + n]
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        t = t[i + n:]
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        if t[0].isupper() and t[1].islower():
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            j = t.find('(')
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            if j != -1 and t[2: j].isalpha():
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                for k in range(j):
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                    if t[k].isupper() and k > 0:
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                        t2 += '_'
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                    t2 += t[k].lower()
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                t = t[j:]
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    t2 += t
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    if t2 != t1:
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        print filename, len(t1) - len(t2)
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        open(filename + '.bak', 'w').write(t1)
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        open(filename, 'w').write(t2)
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for filename in sys.argv[1:]:
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    convert(filename)