msi.py
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上传日期:2018-11-18
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- """SCons.Tool.packaging.msi
- The msi packager.
- """
- #
- # Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 The SCons Foundation
- #
- # Permission is hereby granted, free of charge, to any person obtaining
- # a copy of this software and associated documentation files (the
- # "Software"), to deal in the Software without restriction, including
- # without limitation the rights to use, copy, modify, merge, publish,
- # distribute, sublicense, and/or sell copies of the Software, and to
- # permit persons to whom the Software is furnished to do so, subject to
- # the following conditions:
- #
- # The above copyright notice and this permission notice shall be included
- # in all copies or substantial portions of the Software.
- #
- # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
- # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- #
- __revision__ = "src/engine/SCons/Tool/packaging/msi.py 3057 2008/06/09 22:21:00 knight"
- import os
- import SCons
- from SCons.Action import Action
- from SCons.Builder import Builder
- from xml.dom.minidom import *
- from xml.sax.saxutils import escape
- from SCons.Tool.packaging import stripinstallbuilder
- #
- # Utility functions
- #
- def convert_to_id(s, id_set):
- """ Some parts of .wxs need an Id attribute (for example: The File and
- Directory directives. The charset is limited to A-Z, a-z, digits,
- underscores, periods. Each Id must begin with a letter or with a
- underscore. Google for "CNDL0015" for information about this.
- Requirements:
- * the string created must only contain chars from the target charset.
- * the string created must have a minimal editing distance from the
- original string.
- * the string created must be unique for the whole .wxs file.
- Observation:
- * There are 62 chars in the charset.
- Idea:
- * filter out forbidden characters. Check for a collision with the help
- of the id_set. Add the number of the number of the collision at the
- end of the created string. Furthermore care for a correct start of
- the string.
- """
- charset = 'ABCDEFGHIJKLMNOPQRSTUVWXYabcdefghijklmnopqrstuvwxyz0123456789_.'
- if s[0] in '0123456789.':
- s += '_'+s
- id = filter( lambda c : c in charset, s )
- # did we already generate an id for this file?
- try:
- return id_set[id][s]
- except KeyError:
- # no we did not so initialize with the id
- if not id_set.has_key(id): id_set[id] = { s : id }
- # there is a collision, generate an id which is unique by appending
- # the collision number
- else: id_set[id][s] = id + str(len(id_set[id]))
- return id_set[id][s]
- def is_dos_short_file_name(file):
- """ examine if the given file is in the 8.3 form.
- """
- fname, ext = os.path.splitext(file)
- proper_ext = len(ext) == 0 or (2 <= len(ext) <= 4) # the ext contains the dot
- proper_fname = file.isupper() and len(fname) <= 8
- return proper_ext and proper_fname
- def gen_dos_short_file_name(file, filename_set):
- """ see http://support.microsoft.com/default.aspx?scid=kb;en-us;Q142982
- These are no complete 8.3 dos short names. The ~ char is missing and
- replaced with one character from the filename. WiX warns about such
- filenames, since a collision might occur. Google for "CNDL1014" for
- more information.
- """
- # guard this to not confuse the generation
- if is_dos_short_file_name(file):
- return file
- fname, ext = os.path.splitext(file) # ext contains the dot
- # first try if it suffices to convert to upper
- file = file.upper()
- if is_dos_short_file_name(file):
- return file
- # strip forbidden characters.
- forbidden = '."/[]:;=, '
- fname = filter( lambda c : c not in forbidden, fname )
- # check if we already generated a filename with the same number:
- # thisis1.txt, thisis2.txt etc.
- duplicate, num = not None, 1
- while duplicate:
- shortname = "%s%s" % (fname[:8-len(str(num))].upper(),
- str(num))
- if len(ext) >= 2:
- shortname = "%s%s" % (shortname, ext[:4].upper())
- duplicate, num = shortname in filename_set, num+1
- assert( is_dos_short_file_name(shortname) ), 'shortname is %s, longname is %s' % (shortname, file)
- filename_set.append(shortname)
- return shortname
- def create_feature_dict(files):
- """ X_MSI_FEATURE and doc FileTag's can be used to collect files in a
- hierarchy. This function collects the files into this hierarchy.
- """
- dict = {}
- def add_to_dict( feature, file ):
- if not SCons.Util.is_List( feature ):
- feature = [ feature ]
- for f in feature:
- if not dict.has_key( f ):
- dict[ f ] = [ file ]
- else:
- dict[ f ].append( file )
- for file in files:
- if hasattr( file, 'PACKAGING_X_MSI_FEATURE' ):
- add_to_dict(file.PACKAGING_X_MSI_FEATURE, file)
- elif hasattr( file, 'PACKAGING_DOC' ):
- add_to_dict( 'PACKAGING_DOC', file )
- else:
- add_to_dict( 'default', file )
- return dict
- def generate_guids(root):
- """ generates globally unique identifiers for parts of the xml which need
- them.
- Component tags have a special requirement. Their UUID is only allowed to
- change if the list of their contained resources has changed. This allows
- for clean removal and proper updates.
- To handle this requirement, the uuid is generated with an md5 hashing the
- whole subtree of a xml node.
- """
- from md5 import md5
- # specify which tags need a guid and in which attribute this should be stored.
- needs_id = { 'Product' : 'Id',
- 'Package' : 'Id',
- 'Component' : 'Guid',
- }
- # find all XMl nodes matching the key, retrieve their attribute, hash their
- # subtree, convert hash to string and add as a attribute to the xml node.
- for (key,value) in needs_id.items():
- node_list = root.getElementsByTagName(key)
- attribute = value
- for node in node_list:
- hash = md5(node.toxml()).hexdigest()
- hash_str = '%s-%s-%s-%s-%s' % ( hash[:8], hash[8:12], hash[12:16], hash[16:20], hash[20:] )
- node.attributes[attribute] = hash_str
- def string_wxsfile(target, source, env):
- return "building WiX file %s"%( target[0].path )
- def build_wxsfile(target, source, env):
- """ compiles a .wxs file from the keywords given in env['msi_spec'] and
- by analyzing the tree of source nodes and their tags.
- """
- file = open(target[0].abspath, 'w')
- try:
- # Create a document with the Wix root tag
- doc = Document()
- root = doc.createElement( 'Wix' )
- root.attributes['xmlns']='http://schemas.microsoft.com/wix/2003/01/wi'
- doc.appendChild( root )
- filename_set = [] # this is to circumvent duplicates in the shortnames
- id_set = {} # this is to circumvent duplicates in the ids
- # Create the content
- build_wxsfile_header_section(root, env)
- build_wxsfile_file_section(root, source, env['NAME'], env['VERSION'], env['VENDOR'], filename_set, id_set)
- generate_guids(root)
- build_wxsfile_features_section(root, source, env['NAME'], env['VERSION'], env['SUMMARY'], id_set)
- build_wxsfile_default_gui(root)
- build_license_file(target[0].get_dir(), env)
- # write the xml to a file
- file.write( doc.toprettyxml() )
- # call a user specified function
- if env.has_key('CHANGE_SPECFILE'):
- env['CHANGE_SPECFILE'](target, source)
- except KeyError, e:
- raise SCons.Errors.UserError( '"%s" package field for MSI is missing.' % e.args[0] )
- #
- # setup function
- #
- def create_default_directory_layout(root, NAME, VERSION, VENDOR, filename_set):
- """ Create the wix default target directory layout and return the innermost
- directory.
- We assume that the XML tree delivered in the root argument already contains
- the Product tag.
- Everything is put under the PFiles directory property defined by WiX.
- After that a directory with the 'VENDOR' tag is placed and then a
- directory with the name of the project and its VERSION. This leads to the
- following TARGET Directory Layout:
- C:<PFiles><Vendor><Projectname-Version>
- Example: C:ProgrammeCompanyProduct-1.2
- """
- doc = Document()
- d1 = doc.createElement( 'Directory' )
- d1.attributes['Id'] = 'TARGETDIR'
- d1.attributes['Name'] = 'SourceDir'
- d2 = doc.createElement( 'Directory' )
- d2.attributes['Id'] = 'ProgramFilesFolder'
- d2.attributes['Name'] = 'PFiles'
- d3 = doc.createElement( 'Directory' )
- d3.attributes['Id'] = 'VENDOR_folder'
- d3.attributes['Name'] = escape( gen_dos_short_file_name( VENDOR, filename_set ) )
- d3.attributes['LongName'] = escape( VENDOR )
- d4 = doc.createElement( 'Directory' )
- project_folder = "%s-%s" % ( NAME, VERSION )
- d4.attributes['Id'] = 'MY_DEFAULT_FOLDER'
- d4.attributes['Name'] = escape( gen_dos_short_file_name( project_folder, filename_set ) )
- d4.attributes['LongName'] = escape( project_folder )
- d1.childNodes.append( d2 )
- d2.childNodes.append( d3 )
- d3.childNodes.append( d4 )
- root.getElementsByTagName('Product')[0].childNodes.append( d1 )
- return d4
- #
- # mandatory and optional file tags
- #
- def build_wxsfile_file_section(root, files, NAME, VERSION, VENDOR, filename_set, id_set):
- """ builds the Component sections of the wxs file with their included files.
- Files need to be specified in 8.3 format and in the long name format, long
- filenames will be converted automatically.
- Features are specficied with the 'X_MSI_FEATURE' or 'DOC' FileTag.
- """
- root = create_default_directory_layout( root, NAME, VERSION, VENDOR, filename_set )
- components = create_feature_dict( files )
- factory = Document()
- def get_directory( node, dir ):
- """ returns the node under the given node representing the directory.
- Returns the component node if dir is None or empty.
- """
- if dir == '' or not dir:
- return node
- Directory = node
- dir_parts = dir.split(os.path.sep)
- # to make sure that our directory ids are unique, the parent folders are
- # consecutively added to upper_dir
- upper_dir = ''
- # walk down the xml tree finding parts of the directory
- dir_parts = filter( lambda d: d != '', dir_parts )
- for d in dir_parts[:]:
- already_created = filter( lambda c: c.nodeName == 'Directory' and c.attributes['LongName'].value == escape(d), Directory.childNodes )
- if already_created != []:
- Directory = already_created[0]
- dir_parts.remove(d)
- upper_dir += d
- else:
- break
- for d in dir_parts:
- nDirectory = factory.createElement( 'Directory' )
- nDirectory.attributes['LongName'] = escape( d )
- nDirectory.attributes['Name'] = escape( gen_dos_short_file_name( d, filename_set ) )
- upper_dir += d
- nDirectory.attributes['Id'] = convert_to_id( upper_dir, id_set )
- Directory.childNodes.append( nDirectory )
- Directory = nDirectory
- return Directory
- for file in files:
- drive, path = os.path.splitdrive( file.PACKAGING_INSTALL_LOCATION )
- filename = os.path.basename( path )
- dirname = os.path.dirname( path )
- h = {
- # tagname : default value
- 'PACKAGING_X_MSI_VITAL' : 'yes',
- 'PACKAGING_X_MSI_FILEID' : convert_to_id(filename, id_set),
- 'PACKAGING_X_MSI_LONGNAME' : filename,
- 'PACKAGING_X_MSI_SHORTNAME' : gen_dos_short_file_name(filename, filename_set),
- 'PACKAGING_X_MSI_SOURCE' : file.get_path(),
- }
- # fill in the default tags given above.
- for k,v in [ (k, v) for (k,v) in h.items() if not hasattr(file, k) ]:
- setattr( file, k, v )
- File = factory.createElement( 'File' )
- File.attributes['LongName'] = escape( file.PACKAGING_X_MSI_LONGNAME )
- File.attributes['Name'] = escape( file.PACKAGING_X_MSI_SHORTNAME )
- File.attributes['Source'] = escape( file.PACKAGING_X_MSI_SOURCE )
- File.attributes['Id'] = escape( file.PACKAGING_X_MSI_FILEID )
- File.attributes['Vital'] = escape( file.PACKAGING_X_MSI_VITAL )
- # create the <Component> Tag under which this file should appear
- Component = factory.createElement('Component')
- Component.attributes['DiskId'] = '1'
- Component.attributes['Id'] = convert_to_id( filename, id_set )
- # hang the component node under the root node and the file node
- # under the component node.
- Directory = get_directory( root, dirname )
- Directory.childNodes.append( Component )
- Component.childNodes.append( File )
- #
- # additional functions
- #
- def build_wxsfile_features_section(root, files, NAME, VERSION, SUMMARY, id_set):
- """ This function creates the <features> tag based on the supplied xml tree.
- This is achieved by finding all <component>s and adding them to a default target.
- It should be called after the tree has been built completly. We assume
- that a MY_DEFAULT_FOLDER Property is defined in the wxs file tree.
- Furthermore a top-level with the name and VERSION of the software will be created.
- An PACKAGING_X_MSI_FEATURE can either be a string, where the feature
- DESCRIPTION will be the same as its title or a Tuple, where the first
- part will be its title and the second its DESCRIPTION.
- """
- factory = Document()
- Feature = factory.createElement('Feature')
- Feature.attributes['Id'] = 'complete'
- Feature.attributes['ConfigurableDirectory'] = 'MY_DEFAULT_FOLDER'
- Feature.attributes['Level'] = '1'
- Feature.attributes['Title'] = escape( '%s %s' % (NAME, VERSION) )
- Feature.attributes['Description'] = escape( SUMMARY )
- Feature.attributes['Display'] = 'expand'
- for (feature, files) in create_feature_dict(files).items():
- SubFeature = factory.createElement('Feature')
- SubFeature.attributes['Level'] = '1'
- if SCons.Util.is_Tuple(feature):
- SubFeature.attributes['Id'] = convert_to_id( feature[0], id_set )
- SubFeature.attributes['Title'] = escape(feature[0])
- SubFeature.attributes['Description'] = escape(feature[1])
- else:
- SubFeature.attributes['Id'] = convert_to_id( feature, id_set )
- if feature=='default':
- SubFeature.attributes['Description'] = 'Main Part'
- SubFeature.attributes['Title'] = 'Main Part'
- elif feature=='PACKAGING_DOC':
- SubFeature.attributes['Description'] = 'Documentation'
- SubFeature.attributes['Title'] = 'Documentation'
- else:
- SubFeature.attributes['Description'] = escape(feature)
- SubFeature.attributes['Title'] = escape(feature)
- # build the componentrefs. As one of the design decision is that every
- # file is also a component we walk the list of files and create a
- # reference.
- for f in files:
- ComponentRef = factory.createElement('ComponentRef')
- ComponentRef.attributes['Id'] = convert_to_id( os.path.basename(f.get_path()), id_set )
- SubFeature.childNodes.append(ComponentRef)
- Feature.childNodes.append(SubFeature)
- root.getElementsByTagName('Product')[0].childNodes.append(Feature)
- def build_wxsfile_default_gui(root):
- """ this function adds a default GUI to the wxs file
- """
- factory = Document()
- Product = root.getElementsByTagName('Product')[0]
- UIRef = factory.createElement('UIRef')
- UIRef.attributes['Id'] = 'WixUI_Mondo'
- Product.childNodes.append(UIRef)
- UIRef = factory.createElement('UIRef')
- UIRef.attributes['Id'] = 'WixUI_ErrorProgressText'
- Product.childNodes.append(UIRef)
- def build_license_file(directory, spec):
- """ creates a License.rtf file with the content of "X_MSI_LICENSE_TEXT"
- in the given directory
- """
- name, text = '', ''
- try:
- name = spec['LICENSE']
- text = spec['X_MSI_LICENSE_TEXT']
- except KeyError:
- pass # ignore this as X_MSI_LICENSE_TEXT is optional
- if name!='' or text!='':
- file = open( os.path.join(directory.get_path(), 'License.rtf'), 'w' )
- file.write('{\rtf')
- if text!='':
- file.write(text.replace('n', '\par '))
- else:
- file.write(name+'\par\par')
- file.write('}')
- file.close()
- #
- # mandatory and optional package tags
- #
- def build_wxsfile_header_section(root, spec):
- """ Adds the xml file node which define the package meta-data.
- """
- # Create the needed DOM nodes and add them at the correct position in the tree.
- factory = Document()
- Product = factory.createElement( 'Product' )
- Package = factory.createElement( 'Package' )
- root.childNodes.append( Product )
- Product.childNodes.append( Package )
- # set "mandatory" default values
- if not spec.has_key('X_MSI_LANGUAGE'):
- spec['X_MSI_LANGUAGE'] = '1033' # select english
- # mandatory sections, will throw a KeyError if the tag is not available
- Product.attributes['Name'] = escape( spec['NAME'] )
- Product.attributes['Version'] = escape( spec['VERSION'] )
- Product.attributes['Manufacturer'] = escape( spec['VENDOR'] )
- Product.attributes['Language'] = escape( spec['X_MSI_LANGUAGE'] )
- Package.attributes['Description'] = escape( spec['SUMMARY'] )
- # now the optional tags, for which we avoid the KeyErrror exception
- if spec.has_key( 'DESCRIPTION' ):
- Package.attributes['Comments'] = escape( spec['DESCRIPTION'] )
- if spec.has_key( 'X_MSI_UPGRADE_CODE' ):
- Package.attributes['X_MSI_UPGRADE_CODE'] = escape( spec['X_MSI_UPGRADE_CODE'] )
- # We hardcode the media tag as our current model cannot handle it.
- Media = factory.createElement('Media')
- Media.attributes['Id'] = '1'
- Media.attributes['Cabinet'] = 'default.cab'
- Media.attributes['EmbedCab'] = 'yes'
- root.getElementsByTagName('Product')[0].childNodes.append(Media)
- # this builder is the entry-point for .wxs file compiler.
- wxs_builder = Builder(
- action = Action( build_wxsfile, string_wxsfile ),
- ensure_suffix = '.wxs' )
- def package(env, target, source, PACKAGEROOT, NAME, VERSION,
- DESCRIPTION, SUMMARY, VENDOR, X_MSI_LANGUAGE, **kw):
- # make sure that the Wix Builder is in the environment
- SCons.Tool.Tool('wix').generate(env)
- # get put the keywords for the specfile compiler. These are the arguments
- # given to the package function and all optional ones stored in kw, minus
- # the the source, target and env one.
- loc = locals()
- del loc['kw']
- kw.update(loc)
- del kw['source'], kw['target'], kw['env']
- # strip the install builder from the source files
- target, source = stripinstallbuilder(target, source, env)
- # put the arguments into the env and call the specfile builder.
- env['msi_spec'] = kw
- specfile = apply( wxs_builder, [env, target, source], kw )
- # now call the WiX Tool with the built specfile added as a source.
- msifile = env.WiX(target, specfile)
- # return the target and source tuple.
- return (msifile, source+[specfile])