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_gopro_colorspaces as gopro
  19 import aces_ocio.create_panasonic_colorspaces as panasonic
  20 import aces_ocio.create_red_colorspaces as red
  21 import aces_ocio.create_sony_colorspaces as sony
  22 import aces_ocio.create_general_colorspaces as general
  23
  24 from aces_ocio.process import Process
  25
  26 __author__ = 'ACES Developers'
  27 __copyright__ = 'Copyright (C) 2014 - 2015 - ACES Developers'
  28 __license__ = ''
  29 __maintainer__ = 'ACES Developers'
  30 __email__ = 'aces@oscars.org'
  31 __status__ = 'Production'
  32
  33 __all__ = ['ACES_OCIO_CTL_DIRECTORY_ENVIRON',
  34            'ACES_OCIO_CONFIGURATION_DIRECTORY_ENVIRON',
  35            'set_config_default_roles',
  36            'write_config',
  37            'generate_OCIO_transform',
  38            'add_colorspace_alias',
  39            'create_config',
  40            'generate_LUTs',
  41            'generate_baked_LUTs',
  42            'create_config_dir',
  43            'create_ACES_config',
  44            'main']
  45
  46 ACES_OCIO_CTL_DIRECTORY_ENVIRON = 'ACES_OCIO_CTL_DIRECTORY'
  47 ACES_OCIO_CONFIGURATION_DIRECTORY_ENVIRON = 'ACES_OCIO_CONFIGURATION_DIRECTORY'
  48
  49
  50 def set_config_default_roles(config,
  51                              color_picking='',
  52                              color_timing='',
  53                              compositing_log='',
  54                              data='',
  55                              default='',
  56                              matte_paint='',
  57                              reference='',
  58                              scene_linear='',
  59                              texture_paint=''):
  60     """
  61     Sets given *OCIO* configuration default roles.
  62
  63     Parameters
  64     ----------
  65     config : config
  66         *OCIO* configuration.
  67     color_picking : str or unicode
  68         Color picking role title.
  69     color_timing : str or unicode
  70         Color timing role title.
  71     compositing_log : str or unicode
  72         Compositing log role title.
  73     data : str or unicode
  74         Data role title.
  75     default : str or unicode
  76         Default role title.
  77     matte_paint : str or unicode
  78         Matte painting role title.
  79     reference : str or unicode
  80         Reference role title.
  81     scene_linear : str or unicode
  82         Scene linear role title.
  83     texture_paint : str or unicode
  84         Texture painting role title.
  85
  86     Returns
  87     -------
  88     bool
  89          Definition success.
  90     """
  91
  92     if color_picking:
  93         config.setRole(ocio.Constants.ROLE_COLOR_PICKING, color_picking)
  94     if color_timing:
  95         config.setRole(ocio.Constants.ROLE_COLOR_TIMING, color_timing)
  96     if compositing_log:
  97         config.setRole(ocio.Constants.ROLE_COMPOSITING_LOG, compositing_log)
  98     if data:
  99         config.setRole(ocio.Constants.ROLE_DATA, data)
 100     if default:
 101         config.setRole(ocio.Constants.ROLE_DEFAULT, default)
 102     if matte_paint:
 103         config.setRole(ocio.Constants.ROLE_MATTE_PAINT, matte_paint)
 104     if reference:
 105         config.setRole(ocio.Constants.ROLE_REFERENCE, reference)
 106     if scene_linear:
 107         config.setRole(ocio.Constants.ROLE_SCENE_LINEAR, scene_linear)
 108     if texture_paint:
 109         config.setRole(ocio.Constants.ROLE_TEXTURE_PAINT, texture_paint)
 110
 111     return True
 112
 113
 114 def write_config(config, config_path, sanity_check=True):
 115     """
 116     Writes the configuration to given path.
 117
 118     Parameters
 119     ----------
 120     parameter : type
 121         Parameter description.
 122
 123     Returns
 124     -------
 125     type
 126          Return value description.
 127     """
 128
 129     if sanity_check:
 130         try:
 131             config.sanityCheck()
 132         except Exception, e:
 133             print e
 134             print 'Configuration was not written due to a failed Sanity Check'
 135             return
 136
 137     with open(config_path, mode='w') as fp:
 138         fp.write(config.serialize())
 139
 140
 141 def generate_OCIO_transform(transforms):
 142     """
 143     Object description.
 144
 145     Parameters
 146     ----------
 147     parameter : type
 148         Parameter description.
 149
 150     Returns
 151     -------
 152     type
 153          Return value description.
 154     """
 155
 156     interpolation_options = {
 157         'linear': ocio.Constants.INTERP_LINEAR,
 158         'nearest': ocio.Constants.INTERP_NEAREST,
 159         'tetrahedral': ocio.Constants.INTERP_TETRAHEDRAL}
 160
 161     direction_options = {
 162         'forward': ocio.Constants.TRANSFORM_DIR_FORWARD,
 163         'inverse': ocio.Constants.TRANSFORM_DIR_INVERSE}
 164
 165     ocio_transforms = []
 166
 167     for transform in transforms:
 168
 169         # lutFile transform
 170         if transform['type'] == 'lutFile':
 171             ocio_transform = ocio.FileTransform(
 172                 src=transform['path'],
 173                 interpolation=interpolation_options[
 174                     transform['interpolation']],
 175                 direction=direction_options[transform['direction']])
 176             ocio_transforms.append(ocio_transform)
 177
 178         # matrix transform
 179         elif transform['type'] == 'matrix':
 180             ocio_transform = ocio.MatrixTransform()
 181             # MatrixTransform member variables can't be initialized directly.
 182             # Each must be set individually.
 183             ocio_transform.setMatrix(transform['matrix'])
 184
 185             if 'offset' in transform:
 186                 ocio_transform.setOffset(transform['offset'])
 187
 188             if 'direction' in transform:
 189                 ocio_transform.setDirection(
 190                     direction_options[transform['direction']])
 191
 192             ocio_transforms.append(ocio_transform)
 193
 194         # exponent transform
 195         elif transform['type'] == 'exponent':
 196             ocio_transform = ocio.ExponentTransform()
 197             ocio_transform.setValue(transform['value'])
 198             ocio_transforms.append(ocio_transform)
 199
 200         # log transform
 201         elif transform['type'] == 'log':
 202             ocio_transform = ocio.LogTransform(
 203                 base=transform['base'],
 204                 direction=direction_options[transform['direction']])
 205
 206             ocio_transforms.append(ocio_transform)
 207
 208         # color space transform
 209         elif transform['type'] == 'colorspace':
 210             ocio_transform = ocio.ColorSpaceTransform(src=transform['src'],
 211                                                       dst=transform['dst'],
 212                                                       direction=
 213                                                       direction_options[
 214                                                           'forward'])
 215             ocio_transforms.append(ocio_transform)
 216         # unknown type
 217         else:
 218             print("Ignoring unknown transform type : %s" % transform['type'])
 219
 220     if len(ocio_transforms) > 1:
 221         group_transform = ocio.GroupTransform()
 222         for transform in ocio_transforms:
 223             group_transform.push_back(transform)
 224         transform = group_transform
 225     else:
 226         transform = ocio_transforms[0]
 227
 228     return transform
 229
 230
 231 def add_colorspace_alias(config,
 232                          reference_colorspace,
 233                          colorspace,
 234                          colorspace_alias_names):
 235     """
 236     Object description.
 237
 238     Parameters
 239     ----------
 240     parameter : type
 241         Parameter description.
 242
 243     Returns
 244     -------
 245     type
 246          Return value description.
 247     """
 248
 249     for alias_name in colorspace_alias_names:
 250         if alias_name == colorspace.name.lower():
 251             return
 252
 253         print('Adding alias colorspace space %s, alias to %s' % (
 254             alias_name, colorspace.name))
 255
 256         compact_family_name = 'Aliases'
 257
 258         ocio_colorspace_alias = ocio.ColorSpace(
 259             name=alias_name,
 260             bitDepth=colorspace.bit_depth,
 261             description=colorspace.description,
 262             equalityGroup=colorspace.equality_group,
 263             family=compact_family_name,
 264             isData=colorspace.is_data,
 265             allocation=colorspace.allocation_type,
 266             allocationVars=colorspace.allocation_vars)
 267
 268         if not colorspace.to_reference_transforms:
 269             print('Generating To-Reference transforms')
 270             ocio_transform = generate_OCIO_transform(
 271                 [{'type': 'colorspace',
 272                   'src': colorspace.name,
 273                   'dst': reference_colorspace.name,
 274                   'direction': 'forward'}])
 275             ocio_colorspace_alias.setTransform(
 276                 ocio_transform,
 277                 ocio.Constants.COLORSPACE_DIR_TO_REFERENCE)
 278
 279         if not colorspace.from_reference_transforms:
 280             print('Generating From-Reference transforms')
 281             ocio_transform = generate_OCIO_transform(
 282                 [{'type': 'colorspace',
 283                   'src': reference_colorspace.name,
 284                   'dst': colorspace.name,
 285                   'direction': 'forward'}])
 286             ocio_colorspace_alias.setTransform(
 287                 ocio_transform,
 288                 ocio.Constants.COLORSPACE_DIR_FROM_REFERENCE)
 289
 290         config.addColorSpace(ocio_colorspace_alias)
 291
 292
 293 def create_config(config_data, nuke=False):
 294     """
 295     Object description.
 296
 297     Parameters
 298     ----------
 299     parameter : type
 300         Parameter description.
 301
 302     Returns
 303     -------
 304     type
 305          Return value description.
 306     """
 307
 308     # Creating the *OCIO* configuration.
 309     config = ocio.Config()
 310
 311     # Setting configuration overall values.
 312     config.setDescription('An ACES config generated from python')
 313     config.setSearchPath('luts')
 314
 315     # Defining the reference colorspace.
 316     reference_data = config_data['referenceColorSpace']
 317     print('Adding the reference color space : %s' % reference_data.name)
 318
 319     reference = ocio.ColorSpace(
 320         name=reference_data.name,
 321         bitDepth=reference_data.bit_depth,
 322         description=reference_data.description,
 323         equalityGroup=reference_data.equality_group,
 324         family=reference_data.family,
 325         isData=reference_data.is_data,
 326         allocation=reference_data.allocation_type,
 327         allocationVars=reference_data.allocation_vars)
 328
 329     config.addColorSpace(reference)
 330
 331     # Add alias
 332     if reference_data.aliases != []:
 333         add_colorspace_alias(config, reference_data,
 334                              reference_data, reference_data.aliases)
 335
 336     print("")
 337
 338     # Creating the remaining colorspaces.
 339     for colorspace in sorted(config_data['colorSpaces']):
 340         print('Creating new color space : %s' % colorspace.name)
 341
 342         ocio_colorspace = ocio.ColorSpace(
 343             name=colorspace.name,
 344             bitDepth=colorspace.bit_depth,
 345             description=colorspace.description,
 346             equalityGroup=colorspace.equality_group,
 347             family=colorspace.family,
 348             isData=colorspace.is_data,
 349             allocation=colorspace.allocation_type,
 350             allocationVars=colorspace.allocation_vars)
 351
 352         if colorspace.to_reference_transforms:
 353             print('Generating To-Reference transforms')
 354             ocio_transform = generate_OCIO_transform(
 355                 colorspace.to_reference_transforms)
 356             ocio_colorspace.setTransform(
 357                 ocio_transform,
 358                 ocio.Constants.COLORSPACE_DIR_TO_REFERENCE)
 359
 360         if colorspace.from_reference_transforms:
 361             print('Generating From-Reference transforms')
 362             ocio_transform = generate_OCIO_transform(
 363                 colorspace.from_reference_transforms)
 364             ocio_colorspace.setTransform(
 365                 ocio_transform,
 366                 ocio.Constants.COLORSPACE_DIR_FROM_REFERENCE)
 367
 368         config.addColorSpace(ocio_colorspace)
 369
 370         #
 371         # Add alias to normal colorspace, using compact name
 372         #
 373         if colorspace.aliases != []:
 374             add_colorspace_alias(config, reference_data,
 375                                  colorspace, colorspace.aliases)
 376
 377         print('')
 378
 379     # Defining the *views* and *displays*.
 380     displays = []
 381     views = []
 382
 383     # Defining a *generic* *display* and *view* setup.
 384     if not nuke:
 385         for display, view_list in config_data['displays'].iteritems():
 386             for view_name, colorspace in view_list.iteritems():
 387                 config.addDisplay(display, view_name, colorspace.name)
 388                 if not (view_name in views):
 389                     views.append(view_name)
 390             displays.append(display)
 391
 392     # Defining the *Nuke* specific set of *views* and *displays*.
 393     else:
 394         display_name = 'ACES'
 395         displays.append(display_name)
 396
 397         display_names = sorted(config_data['displays'])
 398         for display in display_names:
 399             view_list = config_data['displays'][display]
 400             for view_name, colorspace in view_list.iteritems():
 401                 if view_name == 'Output Transform':
 402                     config.addDisplay(display_name, display, colorspace.name)
 403                     if not (display in views):
 404                         views.append(display)
 405
 406         linear_display_space_name = config_data['linearDisplaySpace'].name
 407         log_display_space_name = config_data['logDisplaySpace'].name
 408
 409         config.addDisplay(display_name, 'Linear', linear_display_space_name)
 410         views.append('Linear')
 411         config.addDisplay(display_name, 'Log', log_display_space_name)
 412         views.append('Log')
 413
 414     # Setting the active *displays* and *views*.
 415     config.setActiveDisplays(','.join(sorted(displays)))
 416     config.setActiveViews(','.join(views))
 417
 418     set_config_default_roles(
 419         config,
 420         color_picking=config_data['roles']['color_picking'],
 421         color_timing=config_data['roles']['color_timing'],
 422         compositing_log=config_data['roles']['compositing_log'],
 423         data=config_data['roles']['data'],
 424         default=config_data['roles']['default'],
 425         matte_paint=config_data['roles']['matte_paint'],
 426         reference=config_data['roles']['reference'],
 427         scene_linear=config_data['roles']['scene_linear'],
 428         texture_paint=config_data['roles']['texture_paint'])
 429
 430     config.sanityCheck()
 431
 432     return config
 433
 434
 435 def generate_LUTs(odt_info,
 436                   lmt_info,
 437                   shaper_name,
 438                   aces_ctl_directory,
 439                   lut_directory,
 440                   lut_resolution_1d=4096,
 441                   lut_resolution_3d=64,
 442                   cleanup=True):
 443     """
 444     Object description.
 445
 446     Parameters
 447     ----------
 448     parameter : type
 449         Parameter description.
 450
 451     Returns
 452     -------
 453     dict
 454          Colorspaces and transforms converting between those colorspaces and
 455          the reference colorspace, *ACES*.
 456     """
 457
 458     print('generateLUTs - begin')
 459     config_data = {}
 460
 461     # Initialize a few variables
 462     config_data['displays'] = {}
 463     config_data['colorSpaces'] = []
 464
 465     # -------------------------------------------------------------------------
 466     # *ACES Color Spaces*
 467     # -------------------------------------------------------------------------
 468
 469     # *ACES* colorspaces
 470     (aces_reference,
 471      aces_colorspaces,
 472      aces_displays,
 473      aces_log_display_space,
 474      aces_roles) = aces.create_colorspaces(aces_ctl_directory,
 475                                            lut_directory,
 476                                            lut_resolution_1d,
 477                                            lut_resolution_3d,
 478                                            lmt_info,
 479                                            odt_info,
 480                                            shaper_name,
 481                                            cleanup)
 482
 483     config_data['referenceColorSpace'] = aces_reference
 484     config_data['roles'] = aces_roles
 485
 486     for cs in aces_colorspaces:
 487         config_data['colorSpaces'].append(cs)
 488
 489     for name, data in aces_displays.iteritems():
 490         config_data['displays'][name] = data
 491
 492     config_data['linearDisplaySpace'] = aces_reference
 493     config_data['logDisplaySpace'] = aces_log_display_space
 494
 495     # -------------------------------------------------------------------------
 496     # *Camera Input Transforms*
 497     # -------------------------------------------------------------------------
 498
 499     # *ARRI Log-C* to *ACES*.
 500     arri_colorSpaces = arri.create_colorspaces(lut_directory,
 501                                                lut_resolution_1d)
 502     for cs in arri_colorSpaces:
 503         config_data['colorSpaces'].append(cs)
 504
 505     # *Canon-Log* to *ACES*.
 506     canon_colorspaces = canon.create_colorspaces(lut_directory,
 507                                                  lut_resolution_1d)
 508     for cs in canon_colorspaces:
 509         config_data['colorSpaces'].append(cs)
 510
 511     # *GoPro Protune* to *ACES*.
 512     gopro_colorspaces = gopro.create_colorspaces(lut_directory,
 513                                                  lut_resolution_1d)
 514     for cs in gopro_colorspaces:
 515         config_data['colorSpaces'].append(cs)
 516
 517     # *Panasonic V-Log* to *ACES*.
 518     panasonic_colorSpaces = panasonic.create_colorspaces(lut_directory,
 519                                                          lut_resolution_1d)
 520     for cs in panasonic_colorSpaces:
 521         config_data['colorSpaces'].append(cs)
 522
 523     # *RED* colorspaces to *ACES*.
 524     red_colorspaces = red.create_colorspaces(lut_directory,
 525                                              lut_resolution_1d)
 526     for cs in red_colorspaces:
 527         config_data['colorSpaces'].append(cs)
 528
 529     # *S-Log* to *ACES*.
 530     sony_colorSpaces = sony.create_colorspaces(lut_directory,
 531                                                lut_resolution_1d)
 532     for cs in sony_colorSpaces:
 533         config_data['colorSpaces'].append(cs)
 534
 535     # -------------------------------------------------------------------------
 536     # General Color Spaces
 537     # -------------------------------------------------------------------------
 538     general_colorSpaces = general.create_colorspaces(lut_directory,
 539                                                      lut_resolution_1d,
 540                                                      lut_resolution_3d)
 541     for cs in general_colorSpaces:
 542         config_data['colorSpaces'].append(cs)
 543
 544     # The *Raw* color space
 545     raw = general.create_raw()
 546     config_data['colorSpaces'].append(raw)
 547
 548     # Override certain roles, for now
 549     config_data['roles']['data'] = raw.name
 550     config_data['roles']['reference'] = raw.name
 551     config_data['roles']['texture_paint'] = raw.name
 552
 553     print('generateLUTs - end')
 554     return config_data
 555
 556
 557 def generate_baked_LUTs(odt_info,
 558                         shaper_name,
 559                         baked_directory,
 560                         config_path,
 561                         lut_resolution_1d,
 562                         lut_resolution_3d,
 563                         lut_resolution_shaper=1024):
 564     """
 565     Object description.
 566
 567     Parameters
 568     ----------
 569     parameter : type
 570         Parameter description.
 571
 572     Returns
 573     -------
 574     type
 575          Return value description.
 576     """
 577
 578     # Create two entries for ODTs that have full and legal range support
 579     odt_info_C = dict(odt_info)
 580     for odt_ctl_name, odt_values in odt_info.iteritems():
 581         if odt_values['transformHasFullLegalSwitch']:
 582             odt_name = odt_values['transformUserName']
 583
 584             odt_values_legal = dict(odt_values)
 585             odt_values_legal['transformUserName'] = '%s - Legal' % odt_name
 586             odt_info_C['%s - Legal' % odt_ctl_name] = odt_values_legal
 587
 588             odt_values_full = dict(odt_values)
 589             odt_values_full['transformUserName'] = '%s - Full' % odt_name
 590             odt_info_C['%s - Full' % odt_ctl_name] = odt_values_full
 591
 592             del (odt_info_C[odt_ctl_name])
 593
 594     # Generate appropriate LUTs for each ODT
 595     for odt_ctl_name, odt_values in odt_info_C.iteritems():
 596         odt_prefix = odt_values['transformUserNamePrefix']
 597         odt_name = odt_values['transformUserName']
 598
 599         # *Photoshop*
 600         for input_space in ['ACEScc', 'ACESproxy']:
 601             args = ['--iconfig', config_path,
 602                     '-v',
 603                     '--inputspace', input_space]
 604             args += ['--outputspace', '%s' % odt_name]
 605             args += ['--description',
 606                      '%s - %s for %s data' % (odt_prefix,
 607                                               odt_name,
 608                                               input_space)]
 609             args += ['--shaperspace', shaper_name,
 610                      '--shapersize', str(lut_resolution_shaper)]
 611             args += ['--cubesize', str(lut_resolution_3d)]
 612             args += ['--format',
 613                      'icc',
 614                      os.path.join(baked_directory,
 615                                   'photoshop',
 616                                   '%s for %s.icc' % (odt_name, input_space))]
 617
 618             bake_lut = Process(description='bake a LUT',
 619                                cmd='ociobakelut',
 620                                args=args)
 621             bake_lut.execute()
 622
 623         # *Flame*, *Lustre*
 624         for input_space in ['ACEScc', 'ACESproxy']:
 625             args = ['--iconfig', config_path,
 626                     '-v',
 627                     '--inputspace', input_space]
 628             args += ['--outputspace', '%s' % odt_name]
 629             args += ['--description',
 630                      '%s - %s for %s data' % (
 631                          odt_prefix, odt_name, input_space)]
 632             args += ['--shaperspace', shaper_name,
 633                      '--shapersize', str(lut_resolution_shaper)]
 634             args += ['--cubesize', str(lut_resolution_3d)]
 635
 636             fargs = ['--format',
 637                      'flame',
 638                      os.path.join(
 639                          baked_directory,
 640                          'flame',
 641                          '%s for %s Flame.3dl' % (odt_name, input_space))]
 642             bake_lut = Process(description='bake a LUT',
 643                                cmd='ociobakelut',
 644                                args=(args + fargs))
 645             bake_lut.execute()
 646
 647             largs = ['--format',
 648                      'lustre',
 649                      os.path.join(
 650                          baked_directory,
 651                          'lustre',
 652                          '%s for %s Lustre.3dl' % (odt_name, input_space))]
 653             bake_lut = Process(description='bake a LUT',
 654                                cmd='ociobakelut',
 655                                args=(args + largs))
 656             bake_lut.execute()
 657
 658         # *Maya*, *Houdini*
 659         for input_space in ['ACEScg', 'ACES2065-1']:
 660             args = ['--iconfig', config_path,
 661                     '-v',
 662                     '--inputspace', input_space]
 663             args += ['--outputspace', '%s' % odt_name]
 664             args += ['--description',
 665                      '%s - %s for %s data' % (
 666                          odt_prefix, odt_name, input_space)]
 667             if input_space == 'ACEScg':
 668                 lin_shaper_name = '%s - AP1' % shaper_name
 669             else:
 670                 lin_shaper_name = shaper_name
 671             args += ['--shaperspace', lin_shaper_name,
 672                      '--shapersize', str(lut_resolution_shaper)]
 673
 674             args += ['--cubesize', str(lut_resolution_3d)]
 675
 676             margs = ['--format',
 677                      'cinespace',
 678                      os.path.join(
 679                          baked_directory,
 680                          'maya',
 681                          '%s for %s Maya.csp' % (odt_name, input_space))]
 682             bake_lut = Process(description='bake a LUT',
 683                                cmd='ociobakelut',
 684                                args=(args + margs))
 685             bake_lut.execute()
 686
 687             hargs = ['--format',
 688                      'houdini',
 689                      os.path.join(
 690                          baked_directory,
 691                          'houdini',
 692                          '%s for %s Houdini.lut' % (odt_name, input_space))]
 693             bake_lut = Process(description='bake a LUT',
 694                                cmd='ociobakelut',
 695                                args=(args + hargs))
 696             bake_lut.execute()
 697
 698
 699 def create_config_dir(config_directory, bake_secondary_LUTs):
 700     """
 701     Object description.
 702
 703     Parameters
 704     ----------
 705     parameter : type
 706         Parameter description.
 707
 708     Returns
 709     -------
 710     type
 711          Return value description.
 712     """
 713
 714     lut_directory = os.path.join(config_directory, 'luts')
 715     dirs = [config_directory, lut_directory]
 716     if bake_secondary_LUTs:
 717         dirs.extend([os.path.join(config_directory, 'baked'),
 718                      os.path.join(config_directory, 'baked', 'flame'),
 719                      os.path.join(config_directory, 'baked', 'photoshop'),
 720                      os.path.join(config_directory, 'baked', 'houdini'),
 721                      os.path.join(config_directory, 'baked', 'lustre'),
 722                      os.path.join(config_directory, 'baked', 'maya')])
 723
 724     for d in dirs:
 725         not os.path.exists(d) and os.mkdir(d)
 726
 727     return lut_directory
 728
 729
 730 def create_ACES_config(aces_ctl_directory,
 731                        config_directory,
 732                        lut_resolution_1d=4096,
 733                        lut_resolution_3d=64,
 734                        bake_secondary_LUTs=True,
 735                        cleanup=True):
 736     """
 737     Creates the ACES configuration.
 738
 739     Parameters
 740     ----------
 741     parameter : type
 742         Parameter description.
 743
 744     Returns
 745     -------
 746     type
 747          Return value description.
 748     """
 749
 750     lut_directory = create_config_dir(config_directory, bake_secondary_LUTs)
 751
 752     odt_info = aces.get_ODTs_info(aces_ctl_directory)
 753     lmt_info = aces.get_LMTs_info(aces_ctl_directory)
 754
 755     shaper_name = 'Output Shaper'
 756     config_data = generate_LUTs(odt_info,
 757                                 lmt_info,
 758                                 shaper_name,
 759                                 aces_ctl_directory,
 760                                 lut_directory,
 761                                 lut_resolution_1d,
 762                                 lut_resolution_3d,
 763                                 cleanup)
 764
 765     print('Creating "generic" config')
 766     config = create_config(config_data)
 767     print('\n\n\n')
 768
 769     write_config(config,
 770                  os.path.join(config_directory, 'config.ocio'))
 771
 772     print('Creating "Nuke" config')
 773     nuke_config = create_config(config_data, nuke=True)
 774     print('\n\n\n')
 775
 776     write_config(nuke_config,
 777                  os.path.join(config_directory, 'nuke_config.ocio'))
 778
 779     if bake_secondary_LUTs:
 780         generate_baked_LUTs(odt_info,
 781                             shaper_name,
 782                             os.path.join(config_directory, 'baked'),
 783                             os.path.join(config_directory, 'config.ocio'),
 784                             lut_resolution_1d,
 785                             lut_resolution_3d,
 786                             lut_resolution_1d)
 787
 788     return True
 789
 790
 791 def main():
 792     """
 793     Object description.
 794
 795     Parameters
 796     ----------
 797     parameter : type
 798         Parameter description.
 799
 800     Returns
 801     -------
 802     type
 803          Return value description.
 804     """
 805
 806     import optparse
 807
 808     p = optparse.OptionParser(description='An OCIO config generation script',
 809                               prog='createACESConfig',
 810                               version='createACESConfig 0.1',
 811                               usage='%prog [options]')
 812     p.add_option('--acesCTLDir', '-a', default=os.environ.get(
 813         ACES_OCIO_CTL_DIRECTORY_ENVIRON, None))
 814     p.add_option('--configDir', '-c', default=os.environ.get(
 815         ACES_OCIO_CONFIGURATION_DIRECTORY_ENVIRON, None))
 816     p.add_option('--lutResolution1d', default=4096)
 817     p.add_option('--lutResolution3d', default=64)
 818     p.add_option('--dontBakeSecondaryLUTs', action='store_true')
 819     p.add_option('--keepTempImages', action='store_true')
 820
 821     options, arguments = p.parse_args()
 822
 823     aces_ctl_directory = options.acesCTLDir
 824     config_directory = options.configDir
 825     lut_resolution_1d = int(options.lutResolution1d)
 826     lut_resolution_3d = int(options.lutResolution3d)
 827     bake_secondary_luts = not options.dontBakeSecondaryLUTs
 828     cleanup_temp_images = not options.keepTempImages
 829
 830     # TODO: Investigate the following statements.
 831     try:
 832         args_start = sys.argv.index('--') + 1
 833         args = sys.argv[args_start:]
 834     except:
 835         args_start = len(sys.argv) + 1
 836         args = []
 837
 838     print('command line : \n%s\n' % ' '.join(sys.argv))
 839
 840     assert aces_ctl_directory is not None, (
 841         'process: No "{0}" environment variable defined or no "ACES CTL" '
 842         'directory specified'.format(
 843             ACES_OCIO_CTL_DIRECTORY_ENVIRON))
 844
 845     assert config_directory is not None, (
 846         'process: No "{0}" environment variable defined or no configuration '
 847         'directory specified'.format(
 848             ACES_OCIO_CONFIGURATION_DIRECTORY_ENVIRON))
 849
 850     return create_ACES_config(aces_ctl_directory,
 851                               config_directory,
 852                               lut_resolution_1d,
 853                               lut_resolution_3d,
 854                               bake_secondary_luts,
 855                               cleanup_temp_images)
 856
 857
 858 if __name__ == '__main__':
 859     main()