BaseTools/Source/Python/Common/MigrationUtilities.py

   1 ## @file
   2 # Contains several utilitities shared by migration tools.
   3 #
   4 # Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
   5 # This program and the accompanying materials
   6 # are licensed and made available under the terms and conditions of the BSD License
   7 # which accompanies this distribution.  The full text of the license may be found at
   8 # http://opensource.org/licenses/bsd-license.php
   9 #
  10 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 #
  13
  14 ##
  15 # Import Modules
  16 #
  17 import os
  18 import re
  19 import EdkLogger
  20 from optparse import OptionParser
  21 from Common.BuildToolError import *
  22 from XmlRoutines import *
  23 from CommonDataClass.CommonClass import *
  24
  25 ## Set all fields of CommonClass object.
  26 #
  27 # Set all attributes of CommonClass object from XML Dom object of XmlCommon.
  28 #
  29 # @param  Common     The destine CommonClass object.
  30 # @param  XmlCommon  The source XML Dom object.
  31 #
  32 def SetCommon(Common, XmlCommon):
  33     XmlTag = "Usage"
  34     Common.Usage = XmlAttribute(XmlCommon, XmlTag).split()
  35
  36     XmlTag = "FeatureFlag"
  37     Common.FeatureFlag = XmlAttribute(XmlCommon, XmlTag)
  38
  39     XmlTag = "SupArchList"
  40     Common.SupArchList = XmlAttribute(XmlCommon, XmlTag).split()
  41
  42     XmlTag = XmlNodeName(XmlCommon) + "/" + "HelpText"
  43     Common.HelpText = XmlElement(XmlCommon, XmlTag)
  44
  45
  46 ## Set some fields of CommonHeaderClass object.
  47 #
  48 # Set Name, Guid, FileName and FullPath fields of CommonHeaderClass object from
  49 # XML Dom object of XmlCommonHeader, NameTag and FileName.
  50 #
  51 # @param  CommonHeader       The destine CommonClass object.
  52 # @param  XmlCommonHeader    The source XML Dom object.
  53 # @param  NameTag            The name tag in XML Dom object.
  54 # @param  FileName           The file name of the XML file.
  55 #
  56 def SetIdentification(CommonHeader, XmlCommonHeader, NameTag, FileName):
  57     XmlParentTag = XmlNodeName(XmlCommonHeader)
  58
  59     XmlTag = XmlParentTag + "/" + NameTag
  60     CommonHeader.Name = XmlElement(XmlCommonHeader, XmlTag)
  61
  62     XmlTag = XmlParentTag + "/" + "GuidValue"
  63     CommonHeader.Guid = XmlElement(XmlCommonHeader, XmlTag)
  64
  65     XmlTag = XmlParentTag + "/" + "Version"
  66     CommonHeader.Version = XmlElement(XmlCommonHeader, XmlTag)
  67
  68     CommonHeader.FileName = os.path.basename(FileName)
  69     CommonHeader.FullPath = os.path.abspath(FileName)
  70
  71
  72 ## Regular expression to match specification and value.
  73 mReSpecification = re.compile(r"(?P<Specification>\w+)\s+(?P<Value>\w*)")
  74
  75 ## Add specification to specification dictionary.
  76 #
  77 # Abstract specification name, value pair from Specification String and add them
  78 # to specification dictionary.
  79 #
  80 # @param  SpecificationDict   The destine Specification dictionary.
  81 # @param  SpecificationString The source Specification String from which the
  82 #                             specification name and value pair is abstracted.
  83 #
  84 def AddToSpecificationDict(SpecificationDict, SpecificationString):
  85     """Abstract specification name, value pair from Specification String"""
  86     for SpecificationMatch in mReSpecification.finditer(SpecificationString):
  87         Specification = SpecificationMatch.group("Specification")
  88         Value = SpecificationMatch.group("Value")
  89         SpecificationDict[Specification] = Value
  90
  91 ## Set all fields of CommonHeaderClass object.
  92 #
  93 # Set all attributes of CommonHeaderClass object from XML Dom object of
  94 # XmlCommonHeader, NameTag and FileName.
  95 #
  96 # @param  CommonHeader       The destine CommonClass object.
  97 # @param  XmlCommonHeader    The source XML Dom object.
  98 # @param  NameTag            The name tag in XML Dom object.
  99 # @param  FileName           The file name of the XML file.
 100 #
 101 def SetCommonHeader(CommonHeader, XmlCommonHeader):
 102     """Set all attributes of CommonHeaderClass object from XmlCommonHeader"""
 103     XmlParent = XmlNodeName(XmlCommonHeader)
 104
 105     XmlTag = XmlParent + "/" + "Abstract"
 106     CommonHeader.Abstract = XmlElement(XmlCommonHeader, XmlTag)
 107
 108     XmlTag = XmlParent + "/" + "Description"
 109     CommonHeader.Description = XmlElement(XmlCommonHeader, XmlTag)
 110
 111     XmlTag = XmlParent + "/" + "Copyright"
 112     CommonHeader.Copyright = XmlElement(XmlCommonHeader, XmlTag)
 113
 114     XmlTag = XmlParent + "/" + "License"
 115     CommonHeader.License = XmlElement(XmlCommonHeader, XmlTag)
 116
 117     XmlTag = XmlParent + "/" + "Specification"
 118     Specification = XmlElement(XmlCommonHeader, XmlTag)
 119
 120     AddToSpecificationDict(CommonHeader.Specification, Specification)
 121
 122     XmlTag = XmlParent + "/" + "ModuleType"
 123     CommonHeader.ModuleType = XmlElement(XmlCommonHeader, XmlTag)
 124
 125
 126 ## Load a new Cloned Record class object.
 127 #
 128 # Read an input XML ClonedRecord DOM object and return an object of Cloned Record
 129 # contained in the DOM object.
 130 #
 131 # @param  XmlCloned            A child XML DOM object in a Common XML DOM.
 132 #
 133 # @retvel ClonedRecord         A new Cloned Record object created by XmlCloned.
 134 #
 135 def LoadClonedRecord(XmlCloned):
 136     ClonedRecord = ClonedRecordClass()
 137
 138     XmlTag = "Id"
 139     ClonedRecord.Id = int(XmlAttribute(XmlCloned, XmlTag))
 140
 141     XmlTag = "FarGuid"
 142     ClonedRecord.FarGuid = XmlAttribute(XmlCloned, XmlTag)
 143
 144     XmlTag = "Cloned/PackageGuid"
 145     ClonedRecord.PackageGuid = XmlElement(XmlCloned, XmlTag)
 146
 147     XmlTag = "Cloned/PackageVersion"
 148     ClonedRecord.PackageVersion = XmlElement(XmlCloned, XmlTag)
 149
 150     XmlTag = "Cloned/ModuleGuid"
 151     ClonedRecord.ModuleGuid = XmlElement(XmlCloned, XmlTag)
 152
 153     XmlTag = "Cloned/ModuleVersion"
 154     ClonedRecord.ModuleVersion = XmlElement(XmlCloned, XmlTag)
 155
 156     return ClonedRecord
 157
 158
 159 ## Load a new Guid/Protocol/Ppi common class object.
 160 #
 161 # Read an input XML Guid/Protocol/Ppi DOM object and return an object of
 162 # Guid/Protocol/Ppi contained in the DOM object.
 163 #
 164 # @param  XmlGuidProtocolPpiCommon A child XML DOM object in a Common XML DOM.
 165 #
 166 # @retvel GuidProtocolPpiCommon    A new GuidProtocolPpiCommon class object
 167 #                                  created by XmlGuidProtocolPpiCommon.
 168 #
 169 def LoadGuidProtocolPpiCommon(XmlGuidProtocolPpiCommon):
 170     GuidProtocolPpiCommon = GuidProtocolPpiCommonClass()
 171
 172     XmlTag = "Name"
 173     GuidProtocolPpiCommon.Name = XmlAttribute(XmlGuidProtocolPpiCommon, XmlTag)
 174
 175     XmlParent = XmlNodeName(XmlGuidProtocolPpiCommon)
 176     if XmlParent == "Entry":
 177         XmlTag = "%s/C_Name" % XmlParent
 178     elif XmlParent == "GuidCNames":
 179         XmlTag = "%s/GuidCName" % XmlParent
 180     else:
 181         XmlTag = "%s/%sCName" % (XmlParent, XmlParent)
 182
 183     GuidProtocolPpiCommon.CName = XmlElement(XmlGuidProtocolPpiCommon, XmlTag)
 184
 185     XmlTag = XmlParent + "/" + "GuidValue"
 186     GuidProtocolPpiCommon.Guid = XmlElement(XmlGuidProtocolPpiCommon, XmlTag)
 187
 188     if XmlParent.endswith("Notify"):
 189         GuidProtocolPpiCommon.Notify = True
 190
 191     XmlTag = "GuidTypeList"
 192     GuidTypes = XmlAttribute(XmlGuidProtocolPpiCommon, XmlTag)
 193     GuidProtocolPpiCommon.GuidTypeList = GuidTypes.split()
 194
 195     XmlTag = "SupModuleList"
 196     SupModules = XmlAttribute(XmlGuidProtocolPpiCommon, XmlTag)
 197     GuidProtocolPpiCommon.SupModuleList = SupModules.split()
 198
 199     SetCommon(GuidProtocolPpiCommon, XmlGuidProtocolPpiCommon)
 200
 201     return GuidProtocolPpiCommon
 202
 203
 204 ## Load a new Pcd class object.
 205 #
 206 # Read an input XML Pcd DOM object and return an object of Pcd
 207 # contained in the DOM object.
 208 #
 209 # @param  XmlPcd               A child XML DOM object in a Common XML DOM.
 210 #
 211 # @retvel Pcd                  A new Pcd object created by XmlPcd.
 212 #
 213 def LoadPcd(XmlPcd):
 214     """Return a new PcdClass object equivalent to XmlPcd"""
 215     Pcd = PcdClass()
 216
 217     XmlTag = "PcdEntry/C_Name"
 218     Pcd.CName = XmlElement(XmlPcd, XmlTag)
 219
 220     XmlTag = "PcdEntry/Token"
 221     Pcd.Token = XmlElement(XmlPcd, XmlTag)
 222
 223     XmlTag = "PcdEntry/TokenSpaceGuidCName"
 224     Pcd.TokenSpaceGuidCName = XmlElement(XmlPcd, XmlTag)
 225
 226     XmlTag = "PcdEntry/DatumType"
 227     Pcd.DatumType = XmlElement(XmlPcd, XmlTag)
 228
 229     XmlTag = "PcdEntry/MaxDatumSize"
 230     Pcd.MaxDatumSize = XmlElement(XmlPcd, XmlTag)
 231
 232     XmlTag = "PcdEntry/DefaultValue"
 233     Pcd.DefaultValue = XmlElement(XmlPcd, XmlTag)
 234
 235     XmlTag = "PcdItemType"
 236     Pcd.ItemType = XmlAttribute(XmlPcd, XmlTag)
 237
 238     XmlTag = "PcdEntry/ValidUsage"
 239     Pcd.ValidUsage = XmlElement(XmlPcd, XmlTag).split()
 240
 241     XmlTag = "SupModuleList"
 242     Pcd.SupModuleList = XmlAttribute(XmlPcd, XmlTag).split()
 243
 244     SetCommon(Pcd, XmlPcd)
 245
 246     return Pcd
 247
 248
 249 ## Load a new LibraryClass class object.
 250 #
 251 # Read an input XML LibraryClass DOM object and return an object of LibraryClass
 252 # contained in the DOM object.
 253 #
 254 # @param  XmlLibraryClass    A child XML DOM object in a Common XML DOM.
 255 #
 256 # @retvel LibraryClass       A new LibraryClass object created by XmlLibraryClass.
 257 #
 258 def LoadLibraryClass(XmlLibraryClass):
 259     LibraryClass = LibraryClassClass()
 260
 261     XmlTag = "LibraryClass/Keyword"
 262     LibraryClass.LibraryClass = XmlElement(XmlLibraryClass, XmlTag)
 263     if LibraryClass.LibraryClass == "":
 264         XmlTag = "Name"
 265         LibraryClass.LibraryClass = XmlAttribute(XmlLibraryClass, XmlTag)
 266
 267     XmlTag = "LibraryClass/IncludeHeader"
 268     LibraryClass.IncludeHeader = XmlElement(XmlLibraryClass, XmlTag)
 269
 270     XmlTag = "RecommendedInstanceVersion"
 271     RecommendedInstanceVersion = XmlAttribute(XmlLibraryClass, XmlTag)
 272     LibraryClass.RecommendedInstanceVersion = RecommendedInstanceVersion
 273
 274     XmlTag = "RecommendedInstanceGuid"
 275     RecommendedInstanceGuid = XmlAttribute(XmlLibraryClass, XmlTag)
 276     LibraryClass.RecommendedInstanceGuid = RecommendedInstanceGuid
 277
 278     XmlTag = "SupModuleList"
 279     SupModules = XmlAttribute(XmlLibraryClass, XmlTag)
 280     LibraryClass.SupModuleList = SupModules.split()
 281
 282     SetCommon(LibraryClass, XmlLibraryClass)
 283
 284     return LibraryClass
 285
 286
 287 ## Load a new Build Option class object.
 288 #
 289 # Read an input XML BuildOption DOM object and return an object of Build Option
 290 # contained in the DOM object.
 291 #
 292 # @param  XmlBuildOption       A child XML DOM object in a Common XML DOM.
 293 #
 294 # @retvel BuildOption          A new Build Option object created by XmlBuildOption.
 295 #
 296 def LoadBuildOption(XmlBuildOption):
 297     """Return a new BuildOptionClass object equivalent to XmlBuildOption"""
 298     BuildOption = BuildOptionClass()
 299
 300     BuildOption.Option = XmlElementData(XmlBuildOption)
 301
 302     XmlTag = "BuildTargets"
 303     BuildOption.BuildTargetList = XmlAttribute(XmlBuildOption, XmlTag).split()
 304
 305     XmlTag = "ToolChainFamily"
 306     BuildOption.ToolChainFamily = XmlAttribute(XmlBuildOption, XmlTag)
 307
 308     XmlTag = "TagName"
 309     BuildOption.TagName = XmlAttribute(XmlBuildOption, XmlTag)
 310
 311     XmlTag = "ToolCode"
 312     BuildOption.ToolCode = XmlAttribute(XmlBuildOption, XmlTag)
 313
 314     XmlTag = "SupArchList"
 315     BuildOption.SupArchList = XmlAttribute(XmlBuildOption, XmlTag).split()
 316
 317     return BuildOption
 318
 319
 320 ## Load a new User Extensions class object.
 321 #
 322 # Read an input XML UserExtensions DOM object and return an object of User
 323 # Extensions contained in the DOM object.
 324 #
 325 # @param  XmlUserExtensions    A child XML DOM object in a Common XML DOM.
 326 #
 327 # @retvel UserExtensions       A new User Extensions object created by
 328 #                              XmlUserExtensions.
 329 #
 330 def LoadUserExtensions(XmlUserExtensions):
 331     UserExtensions = UserExtensionsClass()
 332
 333     XmlTag = "UserID"
 334     UserExtensions.UserID = XmlAttribute(XmlUserExtensions, XmlTag)
 335
 336     XmlTag = "Identifier"
 337     UserExtensions.Identifier = XmlAttribute(XmlUserExtensions, XmlTag)
 338
 339     UserExtensions.Content = XmlElementData(XmlUserExtensions)
 340
 341     return UserExtensions
 342
 343
 344 ## Store content to a text file object.
 345 #
 346 # Write some text file content to a text file object. The contents may echo
 347 # in screen in a verbose way.
 348 #
 349 # @param  TextFile           The text file object.
 350 # @param  Content            The string object to be written to a text file.
 351 #
 352 def StoreTextFile(TextFile, Content):
 353     EdkLogger.verbose(Content)
 354     TextFile.write(Content)
 355
 356
 357 ## Add item to a section.
 358 #
 359 # Add an Item with specific CPU architecture to section dictionary.
 360 # The possible duplication is ensured to be removed.
 361 #
 362 # @param  Section            Section dictionary indexed by CPU architecture.
 363 # @param  Arch               CPU architecture: Ia32, X64, Ipf, ARM, AARCH64, Ebc or Common.
 364 # @param  Item               The Item to be added to section dictionary.
 365 #
 366 def AddToSection(Section, Arch, Item):
 367     SectionArch = Section.get(Arch, [])
 368     if Item not in SectionArch:
 369         SectionArch.append(Item)
 370         Section[Arch] = SectionArch
 371
 372
 373 ## Get section contents.
 374 #
 375 # Return the content of section named SectionName.
 376 # the contents is based on Methods and ObjectLists.
 377 #
 378 # @param  SectionName        The name of the section.
 379 # @param  Method             A function returning a string item of an object.
 380 # @param  ObjectList         The list of object.
 381 #
 382 # @retval Section            The string content of a section.
 383 #
 384 def GetSection(SectionName, Method, ObjectList):
 385     SupportedArches = ["common", "Ia32", "X64", "Ipf", "Ebc", "ARM", "AARCH64"]
 386     SectionDict = {}
 387     for Object in ObjectList:
 388         Item = Method(Object)
 389         if Item == "":
 390             continue
 391         Item = "  %s" % Item
 392         Arches = Object.SupArchList
 393         if len(Arches) == 0:
 394             AddToSection(SectionDict, "common", Item)
 395         else:
 396             for Arch in SupportedArches:
 397                 if Arch.upper() in Arches:
 398                     AddToSection(SectionDict, Arch, Item)
 399
 400     Section = ""
 401     for Arch in SupportedArches:
 402         SectionArch = "\n".join(SectionDict.get(Arch, []))
 403         if SectionArch != "":
 404             Section += "[%s.%s]\n%s\n" % (SectionName, Arch, SectionArch)
 405             Section += "\n"
 406     if Section != "":
 407         Section += "\n"
 408     return Section
 409
 410
 411 ## Store file header to a text file.
 412 #
 413 # Write standard file header to a text file. The content includes copyright,
 414 # abstract, description and license extracted from CommonHeader class object.
 415 #
 416 # @param  TextFile           The text file object.
 417 # @param  CommonHeader       The source CommonHeader class object.
 418 #
 419 def StoreHeader(TextFile, CommonHeader):
 420     CopyRight = CommonHeader.Copyright
 421     Abstract = CommonHeader.Abstract
 422     Description = CommonHeader.Description
 423     License = CommonHeader.License
 424
 425     Header =  "#/** @file\n#\n"
 426     Header += "# " + Abstract + "\n#\n"
 427     Header += "# " + Description.strip().replace("\n", "\n# ") + "\n"
 428     Header += "# " + CopyRight + "\n#\n"
 429     Header += "#  " + License.replace("\n", "\n# ").replace("  ", " ")
 430     Header += "\n#\n#**/\n\n"
 431
 432     StoreTextFile(TextFile, Header)
 433
 434 ## Store file header to a text file.
 435 #
 436 # Write Defines section to a text file. DefinesTupleList determines the content.
 437 #
 438 # @param  TextFile           The text file object.
 439 # @param  DefinesTupleList   The list of (Tag, Value) to be added as one item.
 440 #
 441 def StoreDefinesSection(TextFile, DefinesTupleList):
 442     Section = "[Defines]\n"
 443     for DefineItem in DefinesTupleList:
 444         Section += "  %-30s = %s\n" % DefineItem
 445
 446     Section += "\n\n"
 447     StoreTextFile(TextFile, Section)
 448
 449
 450 ## Return one User Extension section.
 451 #
 452 # Read the input UserExtentsions class object and return one section.
 453 #
 454 # @param  UserExtensions       An input UserExtensions class object.
 455 #
 456 # @retval UserExtensionSection A section representing UserExtensions object.
 457 #
 458 def GetUserExtensions(UserExtensions):
 459     UserId = UserExtensions.UserID
 460     Identifier = UserExtensions.Identifier
 461     Content = UserExtensions.Content
 462
 463     return "[UserExtensions.%s.%s]\n  %s\n\n" % (UserId, Identifier, Content)
 464
 465 ## Regular expression to match an equation.
 466 mReEquation = re.compile(r"\s*(\S+)\s*=\s*(\S*)\s*")
 467
 468 ## Return a value tuple matching information in a text fle.
 469 #
 470 # Parse the text file and return a value tuple corresponding to an input tag
 471 # tuple. In case of any error, an tuple of empty strings is returned.
 472 #
 473 # @param  FileName           The file name of the text file.
 474 # @param  TagTuple           A tuple of tags as the key to the value.
 475 #
 476 # @param  ValueTupe          The returned tuple corresponding to the tag tuple.
 477 #
 478 def GetTextFileInfo(FileName, TagTuple):
 479     ValueTuple = [""] * len(TagTuple)
 480     try:
 481         for Line in open(FileName):
 482             Line = Line.split("#", 1)[0]
 483             MatchEquation = mReEquation.match(Line)
 484             if MatchEquation:
 485                 Tag = MatchEquation.group(1).upper()
 486                 Value = MatchEquation.group(2)
 487                 for Index in range(len(TagTuple)):
 488                     if TagTuple[Index] == Tag:
 489                         ValueTuple[Index] = Value
 490     except:
 491         EdkLogger.info("IO Error in reading file %s" % FileName)
 492
 493     return ValueTuple
 494
 495
 496 ## Return a value tuple matching information in an XML fle.
 497 #
 498 # Parse the XML file and return a value tuple corresponding to an input tag
 499 # tuple. In case of any error, an tuple of empty strings is returned.
 500 #
 501 # @param  FileName           The file name of the XML file.
 502 # @param  TagTuple           A tuple of tags as the key to the value.
 503 #
 504 # @param  ValueTupe          The returned tuple corresponding to the tag tuple.
 505 #
 506 def GetXmlFileInfo(FileName, TagTuple):
 507     XmlDom = XmlParseFile(FileName)
 508     return tuple([XmlElement(XmlDom, XmlTag) for XmlTag in TagTuple])
 509
 510
 511 ## Parse migration command line options
 512 #
 513 # Use standard Python module optparse to parse command line option of this tool.
 514 #
 515 # @param  Source             The source file type.
 516 # @param  Destinate          The destinate file type.
 517 #
 518 # @retval Options            A optparse object containing the parsed options.
 519 # @retval InputFile          Path of an source file to be migrated.
 520 #
 521 def MigrationOptionParser(Source, Destinate, ToolName, VersionNumber = 1.0):
 522     # use clearer usage to override default usage message
 523     UsageString = "%s [-a] [-v|-q] [-o <output_file>] <input_file>" % ToolName
 524     Version = "%s Version %.2f" % (ToolName, VersionNumber)
 525     Copyright = "Copyright (c) 2007, Intel Corporation. All rights reserved."
 526
 527     Parser = OptionParser(description=Copyright, version=Version, usage=UsageString)
 528     Parser.add_option("-o", "--output", dest="OutputFile", help="The name of the %s file to be created." % Destinate)
 529     Parser.add_option("-a", "--auto", dest="AutoWrite", action="store_true", default=False, help="Automatically create the %s file using the name of the %s file and replacing file extension" % (Source, Destinate))
 530     Parser.add_option("-q", "--quiet", action="store_true", type=None, help="Disable all messages except FATAL ERRORS.")
 531     Parser.add_option("-v", "--verbose", action="store_true", type=None, help="Turn on verbose output with informational messages printed.")
 532
 533     Options, Args = Parser.parse_args()
 534
 535     # Set logging level
 536     if Options.verbose:
 537         EdkLogger.setLevel(EdkLogger.VERBOSE)
 538     elif Options.quiet:
 539         EdkLogger.setLevel(EdkLogger.QUIET)
 540     else:
 541         EdkLogger.setLevel(EdkLogger.INFO)
 542
 543     # error check
 544     if len(Args) == 0:
 545         raise MigrationError(PARAMETER_MISSING, name="Input file", usage=Parser.get_usage())
 546     if len(Args) > 1:
 547         raise MigrationError(PARAMETER_INVALID, name="Too many input files", usage=Parser.get_usage())
 548
 549     InputFile = Args[0]
 550     if not os.path.exists(InputFile):
 551         raise MigrationError(FILE_NOT_FOUND, name=InputFile)
 552
 553     if Options.OutputFile:
 554         if Options.AutoWrite:
 555             raise MigrationError(OPTION_CONFLICT, arg1="-o", arg2="-a", usage=Parser.get_usage())
 556     else:
 557         if Options.AutoWrite:
 558             Options.OutputFile = os.path.splitext(InputFile)[0] + "." + Destinate.lower()
 559         else:
 560             raise MigrationError(OPTION_MISSING, name="-o", usage=Parser.get_usage())
 561
 562     return Options, InputFile
 563
 564 # This acts like the main() function for the script, unless it is 'import'ed
 565 # into another script.
 566 if __name__ == '__main__':
 567     pass