Swiftdiff options
Diffstat (limited to 'BuildTools/SCons/Tools/textfile.py')
| -rw-r--r-- | BuildTools/SCons/Tools/textfile.py | 218 |
1 files changed, 109 insertions, 109 deletions
diff --git a/BuildTools/SCons/Tools/textfile.py b/BuildTools/SCons/Tools/textfile.py index b290125..89f8963 100644 --- a/BuildTools/SCons/Tools/textfile.py +++ b/BuildTools/SCons/Tools/textfile.py @@ -25,23 +25,23 @@ __doc__ = """ Textfile/Substfile builder for SCons. - Create file 'target' which typically is a textfile. The 'source' - may be any combination of strings, Nodes, or lists of same. A - 'linesep' will be put between any part written and defaults to - os.linesep. - - The only difference between the Textfile builder and the Substfile - builder is that strings are converted to Value() nodes for the - former and File() nodes for the latter. To insert files in the - former or strings in the latter, wrap them in a File() or Value(), - respectively. - - The values of SUBST_DICT first have any construction variables - expanded (its keys are not expanded). If a value of SUBST_DICT is - a python callable function, it is called and the result is expanded - as the value. Values are substituted in a "random" order; if any - substitution could be further expanded by another subsitition, it - is unpredictible whether the expansion will occur. + Create file 'target' which typically is a textfile. The 'source' + may be any combination of strings, Nodes, or lists of same. A + 'linesep' will be put between any part written and defaults to + os.linesep. + + The only difference between the Textfile builder and the Substfile + builder is that strings are converted to Value() nodes for the + former and File() nodes for the latter. To insert files in the + former or strings in the latter, wrap them in a File() or Value(), + respectively. + + The values of SUBST_DICT first have any construction variables + expanded (its keys are not expanded). If a value of SUBST_DICT is + a python callable function, it is called and the result is expanded + as the value. Values are substituted in a "random" order; if any + substitution could be further expanded by another subsitition, it + is unpredictible whether the expansion will occur. """ __revision__ = "src/engine/SCons/Tool/textfile.py 5357 2011/09/09 21:31:03 bdeegan" @@ -56,117 +56,117 @@ from SCons.Node.Python import Value from SCons.Util import is_String, is_Sequence, is_Dict def _do_subst(node, subs): - """ - Fetch the node contents and replace all instances of the keys with - their values. For example, if subs is - {'%VERSION%': '1.2345', '%BASE%': 'MyProg', '%prefix%': '/bin'}, - then all instances of %VERSION% in the file will be replaced with - 1.2345 and so forth. - """ - contents = node.get_text_contents() - if not subs: return contents - for (k,v) in subs: - contents = re.sub(k, v, contents) - return contents + """ + Fetch the node contents and replace all instances of the keys with + their values. For example, if subs is + {'%VERSION%': '1.2345', '%BASE%': 'MyProg', '%prefix%': '/bin'}, + then all instances of %VERSION% in the file will be replaced with + 1.2345 and so forth. + """ + contents = node.get_text_contents() + if not subs: return contents + for (k,v) in subs: + contents = re.sub(k, v, contents) + return contents def _action(target, source, env): - # prepare the line separator - linesep = env['LINESEPARATOR'] - if linesep is None: - linesep = os.linesep - elif is_String(linesep): - pass - elif isinstance(linesep, Value): - linesep = linesep.get_text_contents() - else: - raise SCons.Errors.UserError( - 'unexpected type/class for LINESEPARATOR: %s' - % repr(linesep), None) - - # create a dictionary to use for the substitutions - if 'SUBST_DICT' not in env: - subs = None # no substitutions - else: - d = env['SUBST_DICT'] - if is_Dict(d): - d = list(d.items()) - elif is_Sequence(d): - pass - else: - raise SCons.Errors.UserError('SUBST_DICT must be dict or sequence') - subs = [] - for (k,v) in d: - if callable(v): - v = v() - if is_String(v): - v = env.subst(v) - else: - v = str(v) - subs.append((k,v)) - - # write the file - try: - fd = open(target[0].get_path(), "wb") - except (OSError,IOError), e: - raise SCons.Errors.UserError("Can't write target file %s" % target[0]) - # separate lines by 'linesep' only if linesep is not empty - lsep = None - for s in source: - if lsep: fd.write(lsep) - fd.write(_do_subst(s, subs)) - lsep = linesep - fd.close() + # prepare the line separator + linesep = env['LINESEPARATOR'] + if linesep is None: + linesep = os.linesep + elif is_String(linesep): + pass + elif isinstance(linesep, Value): + linesep = linesep.get_text_contents() + else: + raise SCons.Errors.UserError( + 'unexpected type/class for LINESEPARATOR: %s' + % repr(linesep), None) + + # create a dictionary to use for the substitutions + if 'SUBST_DICT' not in env: + subs = None # no substitutions + else: + d = env['SUBST_DICT'] + if is_Dict(d): + d = list(d.items()) + elif is_Sequence(d): + pass + else: + raise SCons.Errors.UserError('SUBST_DICT must be dict or sequence') + subs = [] + for (k,v) in d: + if callable(v): + v = v() + if is_String(v): + v = env.subst(v) + else: + v = str(v) + subs.append((k,v)) + + # write the file + try: + fd = open(target[0].get_path(), "wb") + except (OSError,IOError), e: + raise SCons.Errors.UserError("Can't write target file %s" % target[0]) + # separate lines by 'linesep' only if linesep is not empty + lsep = None + for s in source: + if lsep: fd.write(lsep) + fd.write(_do_subst(s, subs)) + lsep = linesep + fd.close() def _strfunc(target, source, env): - return "Creating '%s'" % target[0] + return "Creating '%s'" % target[0] def _convert_list_R(newlist, sources): - for elem in sources: - if is_Sequence(elem): - _convert_list_R(newlist, elem) - elif isinstance(elem, Node): - newlist.append(elem) - else: - newlist.append(Value(elem)) + for elem in sources: + if is_Sequence(elem): + _convert_list_R(newlist, elem) + elif isinstance(elem, Node): + newlist.append(elem) + else: + newlist.append(Value(elem)) def _convert_list(target, source, env): - if len(target) != 1: - raise SCons.Errors.UserError("Only one target file allowed") - newlist = [] - _convert_list_R(newlist, source) - return target, newlist + if len(target) != 1: + raise SCons.Errors.UserError("Only one target file allowed") + newlist = [] + _convert_list_R(newlist, source) + return target, newlist _common_varlist = ['SUBST_DICT', 'LINESEPARATOR'] _text_varlist = _common_varlist + ['TEXTFILEPREFIX', 'TEXTFILESUFFIX'] _text_builder = SCons.Builder.Builder( - action = SCons.Action.Action(_action, _strfunc, varlist = _text_varlist), - source_factory = Value, - emitter = _convert_list, - prefix = '$TEXTFILEPREFIX', - suffix = '$TEXTFILESUFFIX', - ) + action = SCons.Action.Action(_action, _strfunc, varlist = _text_varlist), + source_factory = Value, + emitter = _convert_list, + prefix = '$TEXTFILEPREFIX', + suffix = '$TEXTFILESUFFIX', + ) _subst_varlist = _common_varlist + ['SUBSTFILEPREFIX', 'TEXTFILESUFFIX'] _subst_builder = SCons.Builder.Builder( - action = SCons.Action.Action(_action, _strfunc, varlist = _subst_varlist), - source_factory = SCons.Node.FS.File, - emitter = _convert_list, - prefix = '$SUBSTFILEPREFIX', - suffix = '$SUBSTFILESUFFIX', - src_suffix = ['.in'], - ) + action = SCons.Action.Action(_action, _strfunc, varlist = _subst_varlist), + source_factory = SCons.Node.FS.File, + emitter = _convert_list, + prefix = '$SUBSTFILEPREFIX', + suffix = '$SUBSTFILESUFFIX', + src_suffix = ['.in'], + ) def generate(env): - env['LINESEPARATOR'] = os.linesep - env['BUILDERS']['MyTextfile'] = _text_builder - env['TEXTFILEPREFIX'] = '' - env['TEXTFILESUFFIX'] = '.txt' - env['BUILDERS']['MySubstfile'] = _subst_builder - env['SUBSTFILEPREFIX'] = '' - env['SUBSTFILESUFFIX'] = '' + env['LINESEPARATOR'] = os.linesep + env['BUILDERS']['MyTextfile'] = _text_builder + env['TEXTFILEPREFIX'] = '' + env['TEXTFILESUFFIX'] = '.txt' + env['BUILDERS']['MySubstfile'] = _subst_builder + env['SUBSTFILEPREFIX'] = '' + env['SUBSTFILESUFFIX'] = '' def exists(env): - return 1 + return 1 # Local Variables: # tab-width:4 |