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Diffstat (limited to 'Lib/plat-mac/macresource.py')
-rw-r--r-- | Lib/plat-mac/macresource.py | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/Lib/plat-mac/macresource.py b/Lib/plat-mac/macresource.py deleted file mode 100644 index f670ad7..0000000 --- a/Lib/plat-mac/macresource.py +++ /dev/null @@ -1,146 +0,0 @@ -"""macresource - Locate and open the resources needed for a script.""" - -from Carbon import Res -import os -import sys -import MacOS -import macostools - -class ArgumentError(TypeError): pass -class ResourceFileNotFoundError(ImportError): pass - -def need(restype, resid, filename=None, modname=None): - """Open a resource file, if needed. restype and resid - are required parameters, and identify the resource for which to test. If it - is available we are done. If it is not available we look for a file filename - (default: modname with .rsrc appended) either in the same folder as - where modname was loaded from, or otherwise across sys.path. - - Returns the refno of the resource file opened (or None)""" - - if modname is None and filename is None: - raise ArgumentError("Either filename or modname argument (or both) must be given") - - if type(resid) is type(1): - try: - h = Res.GetResource(restype, resid) - except Res.Error: - pass - else: - return None - else: - try: - h = Res.GetNamedResource(restype, resid) - except Res.Error: - pass - else: - return None - - # Construct a filename if we don't have one - if not filename: - if '.' in modname: - filename = modname.split('.')[-1] + '.rsrc' - else: - filename = modname + '.rsrc' - - # Now create a list of folders to search - searchdirs = [] - if modname == '__main__': - # If we're main we look in the current directory - searchdirs = [os.curdir] - if modname in sys.modules: - mod = sys.modules[modname] - if hasattr(mod, '__file__'): - searchdirs = [os.path.dirname(mod.__file__)] - searchdirs.extend(sys.path) - - # And look for the file - for dir in searchdirs: - pathname = os.path.join(dir, filename) - if os.path.exists(pathname): - break - else: - raise ResourceFileNotFoundError(filename) - - refno = open_pathname(pathname) - - # And check that the resource exists now - if type(resid) is type(1): - h = Res.GetResource(restype, resid) - else: - h = Res.GetNamedResource(restype, resid) - return refno - -def open_pathname(pathname, verbose=0): - """Open a resource file given by pathname, possibly decoding an - AppleSingle file""" - try: - refno = Res.FSpOpenResFile(pathname, 1) - except Res.Error as error: - if error.args[0] in (-37, -39): - # No resource fork. We may be on OSX, and this may be either - # a data-fork based resource file or a AppleSingle file - # from the CVS repository. - try: - refno = Res.FSOpenResourceFile(pathname, '', 1) - except Res.Error as error: - if error.args[0] != -199: - # -199 is "bad resource map" - raise - else: - return refno - # Finally try decoding an AppleSingle file - pathname = _decode(pathname, verbose=verbose) - refno = Res.FSOpenResourceFile(pathname, '', 1) - else: - raise - return refno - -def resource_pathname(pathname, verbose=0): - """Return the pathname for a resource file (either DF or RF based). - If the pathname given already refers to such a file simply return it, - otherwise first decode it.""" - try: - refno = Res.FSpOpenResFile(pathname, 1) - Res.CloseResFile(refno) - except Res.Error as error: - if error.args[0] in (-37, -39): - # No resource fork. We may be on OSX, and this may be either - # a data-fork based resource file or a AppleSingle file - # from the CVS repository. - try: - refno = Res.FSOpenResourceFile(pathname, '', 1) - except Res.Error as error: - if error.args[0] != -199: - # -199 is "bad resource map" - raise - else: - return refno - # Finally try decoding an AppleSingle file - pathname = _decode(pathname, verbose=verbose) - else: - raise - return pathname - -def open_error_resource(): - """Open the resource file containing the error code to error message - mapping.""" - need('Estr', 1, filename="errors.rsrc", modname=__name__) - -def _decode(pathname, verbose=0): - # Decode an AppleSingle resource file, return the new pathname. - newpathname = pathname + '.df.rsrc' - if os.path.exists(newpathname) and \ - os.stat(newpathname).st_mtime >= os.stat(pathname).st_mtime: - return newpathname - if hasattr(os, 'access') and not \ - os.access(os.path.dirname(pathname), os.W_OK|os.X_OK): - # The destination directory isn't writable. Create the file in - # a temporary directory - import tempfile - fd, newpathname = tempfile.mkstemp(".rsrc") - if verbose: - print('Decoding', pathname, 'to', newpathname) - import applesingle - applesingle.decode(pathname, newpathname, resonly=1) - return newpathname |