aces_1.0.0/python/aces_ocio/create_aces_config.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 """
   5 Defines objects creating the *ACES* configuration.
   6 """
   7
   8 from __future__ import division
   9
  10 import os
  11 import sys
  12
  13 import PyOpenColorIO as ocio
  14
  15 import aces_ocio.create_aces_colorspaces as aces
  16 import aces_ocio.create_arri_colorspaces as arri
  17 import aces_ocio.create_canon_colorspaces as canon
  18 import aces_ocio.create_panasonic_colorspaces as panasonic
  19 import aces_ocio.create_red_colorspaces as red
  20 import aces_ocio.create_sony_colorspaces as sony
  21 import aces_ocio.create_general_colorspaces as general
  22
  23 from aces_ocio.process import Process
  24
  25 __author__ = 'ACES Developers'
  26 __copyright__ = 'Copyright (C) 2014 - 2015 - ACES Developers'
  27 __license__ = ''
  28 __maintainer__ = 'ACES Developers'
  29 __email__ = 'aces@oscars.org'
  30 __status__ = 'Production'
  31
  32 __all__ = ['ACES_OCIO_CTL_DIRECTORY_ENVIRON',
  33            'ACES_OCIO_CONFIGURATION_DIRECTORY_ENVIRON',
  34            'set_config_default_roles',
  35            'write_config',
  36            'generate_OCIO_transform',
  37            'add_colorspace_alias',
  38            'create_config',
  39            'generate_LUTs',
  40            'generate_baked_LUTs',
  41            'create_config_dir',
  42            'create_ACES_config',
  43            'main']
  44
  45 ACES_OCIO_CTL_DIRECTORY_ENVIRON = 'ACES_OCIO_CTL_DIRECTORY'
  46 ACES_OCIO_CONFIGURATION_DIRECTORY_ENVIRON = 'ACES_OCIO_CONFIGURATION_DIRECTORY'
  47
  48
  49 def set_config_default_roles(config,
  50                              color_picking='',
  51                              color_timing='',
  52                              compositing_log='',
  53                              data='',
  54                              default='',
  55                              matte_paint='',
  56                              reference='',
  57                              scene_linear='',
  58                              texture_paint=''):
  59     """
  60     Sets given *OCIO* configuration default roles.
  61
  62     Parameters
  63     ----------
  64     config : config
  65         *OCIO* configuration.
  66     color_picking : str or unicode
  67         Color picking role title.
  68     color_timing : str or unicode
  69         Color timing role title.
  70     compositing_log : str or unicode
  71         Compositing log role title.
  72     data : str or unicode
  73         Data role title.
  74     default : str or unicode
  75         Default role title.
  76     matte_paint : str or unicode
  77         Matte painting role title.
  78     reference : str or unicode
  79         Reference role title.
  80     scene_linear : str or unicode
  81         Scene linear role title.
  82     texture_paint : str or unicode
  83         Texture painting role title.
  84
  85     Returns
  86     -------
  87     bool
  88          Definition success.
  89     """
  90
  91     if color_picking:
  92         config.setRole(ocio.Constants.ROLE_COLOR_PICKING, color_picking)
  93     if color_timing:
  94         config.setRole(ocio.Constants.ROLE_COLOR_TIMING, color_timing)
  95     if compositing_log:
  96         config.setRole(ocio.Constants.ROLE_COMPOSITING_LOG, compositing_log)
  97     if data:
  98         config.setRole(ocio.Constants.ROLE_DATA, data)
  99     if default:
 100         config.setRole(ocio.Constants.ROLE_DEFAULT, default)
 101     if matte_paint:
 102         config.setRole(ocio.Constants.ROLE_MATTE_PAINT, matte_paint)
 103     if reference:
 104         config.setRole(ocio.Constants.ROLE_REFERENCE, reference)
 105     if scene_linear:
 106         config.setRole(ocio.Constants.ROLE_SCENE_LINEAR, scene_linear)
 107     if texture_paint:
 108         config.setRole(ocio.Constants.ROLE_TEXTURE_PAINT, texture_paint)
 109
 110     return True
 111
 112
 113 def write_config(config, config_path, sanity_check=True):
 114     """
 115     Writes the configuration to given path.
 116
 117     Parameters
 118     ----------
 119     parameter : type
 120         Parameter description.
 121
 122     Returns
 123     -------
 124     type
 125          Return value description.
 126     """
 127
 128     if sanity_check:
 129         try:
 130             config.sanityCheck()
 131         except Exception, e:
 132             print e
 133             print 'Configuration was not written due to a failed Sanity Check'
 134             return
 135
 136     with open(config_path, mode='w') as fp:
 137         fp.write(config.serialize())
 138
 139
 140 def generate_OCIO_transform(transforms):
 141     """
 142     Object description.
 143
 144     Parameters
 145     ----------
 146     parameter : type
 147         Parameter description.
 148
 149     Returns
 150     -------
 151     type
 152          Return value description.
 153     """
 154
 155     interpolation_options = {
 156         'linear': ocio.Constants.INTERP_LINEAR,
 157         'nearest': ocio.Constants.INTERP_NEAREST,
 158         'tetrahedral': ocio.Constants.INTERP_TETRAHEDRAL}
 159
 160     direction_options = {
 161         'forward': ocio.Constants.TRANSFORM_DIR_FORWARD,
 162         'inverse': ocio.Constants.TRANSFORM_DIR_INVERSE}
 163
 164     ocio_transforms = []
 165
 166     for transform in transforms:
 167
 168         # lutFile transform
 169         if transform['type'] == 'lutFile':
 170             ocio_transform = ocio.FileTransform(
 171                 src=transform['path'],
 172                 interpolation=interpolation_options[
 173                     transform['interpolation']],
 174                 direction=direction_options[transform['direction']])
 175             ocio_transforms.append(ocio_transform)
 176
 177         # matrix transform
 178         elif transform['type'] == 'matrix':
 179             ocio_transform = ocio.MatrixTransform()
 180             # MatrixTransform member variables can't be initialized directly.
 181             # Each must be set individually.
 182             ocio_transform.setMatrix(transform['matrix'])
 183
 184             if 'offset' in transform:
 185                 ocio_transform.setOffset(transform['offset'])
 186
 187             if 'direction' in transform:
 188                 ocio_transform.setDirection(
 189                     direction_options[transform['direction']])
 190
 191             ocio_transforms.append(ocio_transform)
 192
 193         # exponent transform
 194         elif transform['type'] == 'exponent':
 195             ocio_transform = ocio.ExponentTransform()
 196             ocio_transform.setValue(transform['value'])
 197             ocio_transforms.append(ocio_transform)
 198
 199         # log transform
 200         elif transform['type'] == 'log':
 201             ocio_transform = ocio.LogTransform(
 202                 base=transform['base'],
 203                 direction=direction_options[transform['direction']])
 204
 205             ocio_transforms.append(ocio_transform)
 206
 207         # color space transform
 208         elif transform['type'] == 'colorspace':
 209             ocio_transform = ocio.ColorSpaceTransform(src=transform['src'],
 210                                                       dst=transform['dst'],
 211                                                       direction=
 212                                                       direction_options[
 213                                                           'forward'])
 214             ocio_transforms.append(ocio_transform)
 215         # unknown type
 216         else:
 217             print("Ignoring unknown transform type : %s" % transform['type'])
 218
 219     if len(ocio_transforms) > 1:
 220         group_transform = ocio.GroupTransform()
 221         for transform in ocio_transforms:
 222             group_transform.push_back(transform)
 223         transform = group_transform
 224     else:
 225         transform = ocio_transforms[0]
 226
 227     return transform
 228
 229
 230 def add_colorspace_alias(config,
 231                          reference_colorspace,
 232                          colorspace,
 233                          colorspace_alias_names):
 234     """
 235     Object description.
 236
 237     Parameters
 238     ----------
 239     parameter : type
 240         Parameter description.
 241
 242     Returns
 243     -------
 244     type
 245          Return value description.
 246     """
 247
 248     for alias_name in colorspace_alias_names:
 249         if alias_name == colorspace.name.lower():
 250             return
 251
 252         print('Adding alias colorspace space %s, alias to %s' % (
 253             alias_name, colorspace.name))
 254
 255         compact_family_name = 'Aliases'
 256
 257         ocio_colorspace_alias = ocio.ColorSpace(
 258             name=alias_name,
 259             bitDepth=colorspace.bit_depth,
 260             description=colorspace.description,
 261             equalityGroup=colorspace.equality_group,
 262             family=compact_family_name,
 263             isData=colorspace.is_data,
 264             allocation=colorspace.allocation_type,
 265             allocationVars=colorspace.allocation_vars)
 266
 267         if not colorspace.to_reference_transforms:
 268             print('Generating To-Reference transforms')
 269             ocio_transform = generate_OCIO_transform(
 270                 [{'type': 'colorspace',
 271                   'src': colorspace.name,
 272                   'dst': reference_colorspace.name,
 273                   'direction': 'forward'}])
 274             ocio_colorspace_alias.setTransform(
 275                 ocio_transform,
 276                 ocio.Constants.COLORSPACE_DIR_TO_REFERENCE)
 277
 278         if not colorspace.from_reference_transforms:
 279             print('Generating From-Reference transforms')
 280             ocio_transform = generate_OCIO_transform(
 281                 [{'type': 'colorspace',
 282                   'src': reference_colorspace.name,
 283                   'dst': colorspace.name,
 284                   'direction': 'forward'}])
 285             ocio_colorspace_alias.setTransform(
 286                 ocio_transform,
 287                 ocio.Constants.COLORSPACE_DIR_FROM_REFERENCE)
 288
 289         config.addColorSpace(ocio_colorspace_alias)
 290
 291
 292 def create_config(config_data, nuke=False):
 293     """
 294     Object description.
 295
 296     Parameters
 297     ----------
 298     parameter : type
 299         Parameter description.
 300
 301     Returns
 302     -------
 303     type
 304          Return value description.
 305     """
 306
 307     # Creating the *OCIO* configuration.
 308     config = ocio.Config()
 309
 310     # Setting configuration overall values.
 311     config.setDescription('An ACES config generated from python')
 312     config.setSearchPath('luts')
 313
 314     # Defining the reference colorspace.
 315     reference_data = config_data['referenceColorSpace']
 316     print('Adding the reference color space : %s' % reference_data.name)
 317
 318     reference = ocio.ColorSpace(
 319         name=reference_data.name,
 320         bitDepth=reference_data.bit_depth,
 321         description=reference_data.description,
 322         equalityGroup=reference_data.equality_group,
 323         family=reference_data.family,
 324         isData=reference_data.is_data,
 325         allocation=reference_data.allocation_type,
 326         allocationVars=reference_data.allocation_vars)
 327
 328     config.addColorSpace(reference)
 329
 330     # Add alias
 331     if reference_data.aliases != []:
 332         add_colorspace_alias(config, reference_data,
 333                              reference_data, reference_data.aliases)
 334
 335     print("")
 336
 337     # Creating the remaining colorspaces.
 338     for colorspace in sorted(config_data['colorSpaces']):
 339         print('Creating new color space : %s' % colorspace.name)
 340
 341         ocio_colorspace = ocio.ColorSpace(
 342             name=colorspace.name,
 343             bitDepth=colorspace.bit_depth,
 344             description=colorspace.description,
 345             equalityGroup=colorspace.equality_group,
 346             family=colorspace.family,
 347             isData=colorspace.is_data,
 348             allocation=colorspace.allocation_type,
 349             allocationVars=colorspace.allocation_vars)
 350
 351         if colorspace.to_reference_transforms:
 352             print('Generating To-Reference transforms')
 353             ocio_transform = generate_OCIO_transform(
 354                 colorspace.to_reference_transforms)
 355             ocio_colorspace.setTransform(
 356                 ocio_transform,
 357                 ocio.Constants.COLORSPACE_DIR_TO_REFERENCE)
 358
 359         if colorspace.from_reference_transforms:
 360             print('Generating From-Reference transforms')
 361             ocio_transform = generate_OCIO_transform(
 362                 colorspace.from_reference_transforms)
 363             ocio_colorspace.setTransform(
 364                 ocio_transform,
 365                 ocio.Constants.COLORSPACE_DIR_FROM_REFERENCE)
 366
 367         config.addColorSpace(ocio_colorspace)
 368
 369         #
 370         # Add alias to normal colorspace, using compact name
 371         #
 372         if colorspace.aliases != []:
 373             add_colorspace_alias(config, reference_data,
 374                                  colorspace, colorspace.aliases)
 375
 376         print('')
 377
 378     # Defining the *views* and *displays*.
 379     displays = []
 380     views = []
 381
 382     # Defining a *generic* *display* and *view* setup.
 383     if not nuke:
 384         for display, view_list in config_data['displays'].iteritems():
 385             for view_name, colorspace in view_list.iteritems():
 386                 config.addDisplay(display, view_name, colorspace.name)
 387                 if not (view_name in views):
 388                     views.append(view_name)
 389             displays.append(display)
 390
 391     # Defining the *Nuke* specific set of *views* and *displays*.
 392     else:
 393         for display, view_list in config_data['displays'].iteritems():
 394             for view_name, colorspace in view_list.iteritems():
 395                 if view_name == 'Output Transform':
 396                     view_name = 'View'
 397                     config.addDisplay(display, view_name, colorspace.name)
 398                     if not (view_name in views):
 399                         views.append(view_name)
 400             displays.append(display)
 401
 402         linear_display_space_name = config_data['linearDisplaySpace'].name
 403         log_display_space_name = config_data['logDisplaySpace'].name
 404
 405         config.addDisplay('linear', 'View', linear_display_space_name)
 406         displays.append('linear')
 407         config.addDisplay('log', 'View', log_display_space_name)
 408         displays.append('log')
 409
 410     # Setting the active *displays* and *views*.
 411     config.setActiveDisplays(','.join(sorted(displays)))
 412     config.setActiveViews(','.join(views))
 413
 414     set_config_default_roles(
 415         config,
 416         color_picking=reference.getName(),
 417         color_timing=reference.getName(),
 418         compositing_log=reference.getName(),
 419         data=reference.getName(),
 420         default=reference.getName(),
 421         matte_paint=reference.getName(),
 422         reference=reference.getName(),
 423         scene_linear=reference.getName(),
 424         texture_paint=reference.getName())
 425
 426     config.sanityCheck()
 427
 428     return config
 429
 430
 431 def generate_LUTs(odt_info,
 432                   lmt_info,
 433                   shaper_name,
 434                   aces_ctl_directory,
 435                   lut_directory,
 436                   lut_resolution_1d=4096,
 437                   lut_resolution_3d=64,
 438                   cleanup=True):
 439     """
 440     Object description.
 441
 442     Parameters
 443     ----------
 444     parameter : type
 445         Parameter description.
 446
 447     Returns
 448     -------
 449     dict
 450          Colorspaces and transforms converting between those colorspaces and
 451          the reference colorspace, *ACES*.
 452     """
 453
 454     print('generateLUTs - begin')
 455     config_data = {}
 456
 457     # Initialize a few variables
 458     config_data['displays'] = {}
 459     config_data['colorSpaces'] = []
 460
 461     # -------------------------------------------------------------------------
 462     # *ACES Color Spaces*
 463     # -------------------------------------------------------------------------
 464
 465     # *ACES* colorspaces
 466     (aces_reference,
 467      aces_colorspaces,
 468      aces_displays,
 469      aces_log_display_space) = aces.create_colorspaces(aces_ctl_directory,
 470                                                        lut_directory,
 471                                                        lut_resolution_1d,
 472                                                        lut_resolution_3d,
 473                                                        lmt_info,
 474                                                        odt_info,
 475                                                        shaper_name,
 476                                                        cleanup)
 477
 478     config_data['referenceColorSpace'] = aces_reference
 479
 480     for cs in aces_colorspaces:
 481         config_data['colorSpaces'].append(cs)
 482
 483     for name, data in aces_displays.iteritems():
 484         config_data['displays'][name] = data
 485
 486     config_data['linearDisplaySpace'] = aces_reference
 487     config_data['logDisplaySpace'] = aces_log_display_space
 488
 489     # -------------------------------------------------------------------------
 490     # *Camera Input Transforms*
 491     # -------------------------------------------------------------------------
 492
 493     # *ARRI Log-C* to *ACES*.
 494     arri_colorSpaces = arri.create_colorspaces(lut_directory,
 495                                                lut_resolution_1d)
 496     for cs in arri_colorSpaces:
 497         config_data['colorSpaces'].append(cs)
 498
 499     # *Canon-Log* to *ACES*.
 500     canon_colorspaces = canon.create_colorspaces(lut_directory,
 501                                                  lut_resolution_1d)
 502     for cs in canon_colorspaces:
 503         config_data['colorSpaces'].append(cs)
 504
 505     # *Panasonic V-Log* to *ACES*.
 506     panasonic_colorSpaces = panasonic.create_colorspaces(lut_directory,
 507                                                          lut_resolution_1d)
 508     for cs in panasonic_colorSpaces:
 509         config_data['colorSpaces'].append(cs)
 510
 511
 512     # *RED* colorspaces to *ACES*.
 513     red_colorspaces = red.create_colorspaces(lut_directory,
 514                                              lut_resolution_1d)
 515     for cs in red_colorspaces:
 516         config_data['colorSpaces'].append(cs)
 517
 518     # *S-Log* to *ACES*.
 519     sony_colorSpaces = sony.create_colorspaces(lut_directory,
 520                                                lut_resolution_1d)
 521     for cs in sony_colorSpaces:
 522         config_data['colorSpaces'].append(cs)
 523
 524     # -------------------------------------------------------------------------
 525     # General Color Spaces
 526     # -------------------------------------------------------------------------
 527     general_colorSpaces = general.create_colorspaces(lut_directory,
 528                                                      lut_resolution_1d,
 529                                                      lut_resolution_3d)
 530     for cs in general_colorSpaces:
 531         config_data['colorSpaces'].append(cs)
 532
 533     print('generateLUTs - end')
 534     return config_data
 535
 536
 537 def generate_baked_LUTs(odt_info,
 538                         shaper_name,
 539                         baked_directory,
 540                         config_path,
 541                         lut_resolution_1d,
 542                         lut_resolution_3d,
 543                         lut_resolution_shaper=1024):
 544     """
 545     Object description.
 546
 547     Parameters
 548     ----------
 549     parameter : type
 550         Parameter description.
 551
 552     Returns
 553     -------
 554     type
 555          Return value description.
 556     """
 557
 558     # Create two entries for ODTs that have full and legal range support
 559     odt_info_C = dict(odt_info)
 560     for odt_ctl_name, odt_values in odt_info.iteritems():
 561         if odt_values['transformHasFullLegalSwitch']:
 562             odt_name = odt_values['transformUserName']
 563
 564             odt_values_legal = dict(odt_values)
 565             odt_values_legal['transformUserName'] = '%s - Legal' % odt_name
 566             odt_info_C['%s - Legal' % odt_ctl_name] = odt_values_legal
 567
 568             odt_values_full = dict(odt_values)
 569             odt_values_full['transformUserName'] = '%s - Full' % odt_name
 570             odt_info_C['%s - Full' % odt_ctl_name] = odt_values_full
 571
 572             del (odt_info_C[odt_ctl_name])
 573
 574     # Generate appropriate LUTs for each ODT
 575     for odt_ctl_name, odt_values in odt_info_C.iteritems():
 576         odt_prefix = odt_values['transformUserNamePrefix']
 577         odt_name = odt_values['transformUserName']
 578
 579         # *Photoshop*
 580         for input_space in ['ACEScc', 'ACESproxy']:
 581             args = ['--iconfig', config_path,
 582                     '-v',
 583                     '--inputspace', input_space]
 584             args += ['--outputspace', '%s' % odt_name]
 585             args += ['--description',
 586                      '%s - %s for %s data' % (odt_prefix,
 587                                               odt_name,
 588                                               input_space)]
 589             args += ['--shaperspace', shaper_name,
 590                      '--shapersize', str(lut_resolution_shaper)]
 591             args += ['--cubesize', str(lut_resolution_3d)]
 592             args += ['--format',
 593                      'icc',
 594                      os.path.join(baked_directory,
 595                                   'photoshop',
 596                                   '%s for %s.icc' % (odt_name, input_space))]
 597
 598             bake_lut = Process(description='bake a LUT',
 599                                cmd='ociobakelut',
 600                                args=args)
 601             bake_lut.execute()
 602
 603         # *Flame*, *Lustre*
 604         for input_space in ['ACEScc', 'ACESproxy']:
 605             args = ['--iconfig', config_path,
 606                     '-v',
 607                     '--inputspace', input_space]
 608             args += ['--outputspace', '%s' % odt_name]
 609             args += ['--description',
 610                      '%s - %s for %s data' % (
 611                          odt_prefix, odt_name, input_space)]
 612             args += ['--shaperspace', shaper_name,
 613                      '--shapersize', str(lut_resolution_shaper)]
 614             args += ['--cubesize', str(lut_resolution_3d)]
 615
 616             fargs = ['--format',
 617                      'flame',
 618                      os.path.join(
 619                          baked_directory,
 620                          'flame',
 621                          '%s for %s Flame.3dl' % (odt_name, input_space))]
 622             bake_lut = Process(description='bake a LUT',
 623                                cmd='ociobakelut',
 624                                args=(args + fargs))
 625             bake_lut.execute()
 626
 627             largs = ['--format',
 628                      'lustre',
 629                      os.path.join(
 630                          baked_directory,
 631                          'lustre',
 632                          '%s for %s Lustre.3dl' % (odt_name, input_space))]
 633             bake_lut = Process(description='bake a LUT',
 634                                cmd='ociobakelut',
 635                                args=(args + largs))
 636             bake_lut.execute()
 637
 638         # *Maya*, *Houdini*
 639         for input_space in ['ACEScg', 'ACES2065-1']:
 640             args = ['--iconfig', config_path,
 641                     '-v',
 642                     '--inputspace', input_space]
 643             args += ['--outputspace', '%s' % odt_name]
 644             args += ['--description',
 645                      '%s - %s for %s data' % (
 646                          odt_prefix, odt_name, input_space)]
 647             if input_space == 'ACEScg':
 648                 lin_shaper_name = '%s - AP1' % shaper_name
 649             else:
 650                 lin_shaper_name = shaper_name
 651             args += ['--shaperspace', lin_shaper_name,
 652                      '--shapersize', str(lut_resolution_shaper)]
 653
 654             args += ['--cubesize', str(lut_resolution_3d)]
 655
 656             margs = ['--format',
 657                      'cinespace',
 658                      os.path.join(
 659                          baked_directory,
 660                          'maya',
 661                          '%s for %s Maya.csp' % (odt_name, input_space))]
 662             bake_lut = Process(description='bake a LUT',
 663                                cmd='ociobakelut',
 664                                args=(args + margs))
 665             bake_lut.execute()
 666
 667             hargs = ['--format',
 668                      'houdini',
 669                      os.path.join(
 670                          baked_directory,
 671                          'houdini',
 672                          '%s for %s Houdini.lut' % (odt_name, input_space))]
 673             bake_lut = Process(description='bake a LUT',
 674                                cmd='ociobakelut',
 675                                args=(args + hargs))
 676             bake_lut.execute()
 677
 678
 679 def create_config_dir(config_directory, bake_secondary_LUTs):
 680     """
 681     Object description.
 682
 683     Parameters
 684     ----------
 685     parameter : type
 686         Parameter description.
 687
 688     Returns
 689     -------
 690     type
 691          Return value description.
 692     """
 693
 694     lut_directory = os.path.join(config_directory, 'luts')
 695     dirs = [config_directory, lut_directory]
 696     if bake_secondary_LUTs:
 697         dirs.extend([os.path.join(config_directory, 'baked'),
 698                      os.path.join(config_directory, 'baked', 'flame'),
 699                      os.path.join(config_directory, 'baked', 'photoshop'),
 700                      os.path.join(config_directory, 'baked', 'houdini'),
 701                      os.path.join(config_directory, 'baked', 'lustre'),
 702                      os.path.join(config_directory, 'baked', 'maya')])
 703
 704     for d in dirs:
 705         not os.path.exists(d) and os.mkdir(d)
 706
 707     return lut_directory
 708
 709
 710 def create_ACES_config(aces_ctl_directory,
 711                        config_directory,
 712                        lut_resolution_1d=4096,
 713                        lut_resolution_3d=64,
 714                        bake_secondary_LUTs=True,
 715                        cleanup=True):
 716     """
 717     Creates the ACES configuration.
 718
 719     Parameters
 720     ----------
 721     parameter : type
 722         Parameter description.
 723
 724     Returns
 725     -------
 726     type
 727          Return value description.
 728     """
 729
 730     lut_directory = create_config_dir(config_directory, bake_secondary_LUTs)
 731
 732     odt_info = aces.get_ODTs_info(aces_ctl_directory)
 733     lmt_info = aces.get_LMTs_info(aces_ctl_directory)
 734
 735     shaper_name = 'Output Shaper'
 736     config_data = generate_LUTs(odt_info,
 737                                 lmt_info,
 738                                 shaper_name,
 739                                 aces_ctl_directory,
 740                                 lut_directory,
 741                                 lut_resolution_1d,
 742                                 lut_resolution_3d,
 743                                 cleanup)
 744
 745     print('Creating "generic" config')
 746     config = create_config(config_data)
 747     print('\n\n\n')
 748
 749     write_config(config,
 750                  os.path.join(config_directory, 'config.ocio'))
 751
 752     print('Creating "Nuke" config')
 753     nuke_config = create_config(config_data, nuke=True)
 754     print('\n\n\n')
 755
 756     write_config(nuke_config,
 757                  os.path.join(config_directory, 'nuke_config.ocio'))
 758
 759     if bake_secondary_LUTs:
 760         generate_baked_LUTs(odt_info,
 761                             shaper_name,
 762                             os.path.join(config_directory, 'baked'),
 763                             os.path.join(config_directory, 'config.ocio'),
 764                             lut_resolution_1d,
 765                             lut_resolution_3d,
 766                             lut_resolution_1d)
 767
 768     return True
 769
 770
 771 def main():
 772     """
 773     Object description.
 774
 775     Parameters
 776     ----------
 777     parameter : type
 778         Parameter description.
 779
 780     Returns
 781     -------
 782     type
 783          Return value description.
 784     """
 785
 786     import optparse
 787
 788     p = optparse.OptionParser(description='An OCIO config generation script',
 789                               prog='createACESConfig',
 790                               version='createACESConfig 0.1',
 791                               usage='%prog [options]')
 792     p.add_option('--acesCTLDir', '-a', default=os.environ.get(
 793         ACES_OCIO_CTL_DIRECTORY_ENVIRON, None))
 794     p.add_option('--configDir', '-c', default=os.environ.get(
 795         ACES_OCIO_CONFIGURATION_DIRECTORY_ENVIRON, None))
 796     p.add_option('--lutResolution1d', default=4096)
 797     p.add_option('--lutResolution3d', default=64)
 798     p.add_option('--dontBakeSecondaryLUTs', action='store_true')
 799     p.add_option('--keepTempImages', action='store_true')
 800
 801     options, arguments = p.parse_args()
 802
 803     aces_ctl_directory = options.acesCTLDir
 804     config_directory = options.configDir
 805     lut_resolution_1d = int(options.lutResolution1d)
 806     lut_resolution_3d = int(options.lutResolution3d)
 807     bake_secondary_luts = not options.dontBakeSecondaryLUTs
 808     cleanup_temp_images = not options.keepTempImages
 809
 810     # TODO: Investigate the following statements.
 811     try:
 812         args_start = sys.argv.index('--') + 1
 813         args = sys.argv[args_start:]
 814     except:
 815         args_start = len(sys.argv) + 1
 816         args = []
 817
 818     print('command line : \n%s\n' % ' '.join(sys.argv))
 819
 820     assert aces_ctl_directory is not None, (
 821         'process: No "{0}" environment variable defined or no "ACES CTL" '
 822         'directory specified'.format(
 823             ACES_OCIO_CTL_DIRECTORY_ENVIRON))
 824
 825     assert config_directory is not None, (
 826         'process: No "{0}" environment variable defined or no configuration '
 827         'directory specified'.format(
 828             ACES_OCIO_CONFIGURATION_DIRECTORY_ENVIRON))
 829
 830     return create_ACES_config(aces_ctl_directory,
 831                               config_directory,
 832                               lut_resolution_1d,
 833                               lut_resolution_3d,
 834                               bake_secondary_luts,
 835                               cleanup_temp_images)
 836
 837
 838 if __name__ == '__main__':
 839     main()