Beispiel #1
0
class SceneFile(object):
    """An abstract representation of a Scene file."""
    def __init__(self, path=None):
        self.folder_path = Path()
        self.descriptor = 'main'
        self.task = None
        self.ver = 1
        self.ext = '.ma'
        scene = pmc.system.sceneName()
        if not path and scene:
            path = scene
        if not path and not scene:
            log.warning("Unable to initialize SceneFile object from a new "
                        "scene. Please specify a path.")
            return
        self._init_from_path(path)

    @property
    def filename(self):
        pattern = "{descriptor}_{task}_v{ver:03d}{ext}"
        return pattern.format(descriptor=self.descriptor,
                              task=self.task,
                              ver=self.ver,
                              ext=self.ext)

    @property
    def path(self):
        return self.folder_path / self.filename

    def _init_from_path(self, path):
        path = Path(path)
        self.folder_path = path.parent
        self.ext = path.ext
        self.descriptor, self.task, ver = path.name.stripext().split("_")
        self.ver = int(ver.split("v")[-1])

    def save(self):
        """Saves the scene file.

        Returns:
            Path: The path to the scene file if successful
        """
        try:
            return pmc.system.saveAs(self.path)
        except RuntimeError as err:
            log.warning("Missing directories in path. Creating directories...")
            self.folder_path.makedirs_p()
            return pmc.system.saveAs(self.path)

    def next_avail_ver(self):
        """Return the next available version number in the folder."""
        pattern = "{descriptor}_{task}_v*{ext}".format(
            descriptor=self.descriptor, task=self.task, ext=self.ext)
        matching_scenefiles = []
        for file_ in self.folder_path.files():

           if file_.name.fnmatch(pattern):
            matching_scenefiles.append(file_)
        if not matching_scenefiles:
            return 1

        matching_scenefiles.sort(reverse=True)
        latest_scenefile = matching_scenefiles[0]
        latest_scenefile = latest_scenefile.name.stripext()
        latest_ver_num = int(latest_scenefile.split("_v")[-1])
        return latest_ver_num + 1

    def increment_save(self):
        """Increments the version and saves the scene file.

            If the existing version of a file already exist, it should increment
            from the largest version number available in the folder.

            Returns:
                Path: The path to the scene file if successful
            """
            self.ver = self.next_avail_ver()
            self.save()
Beispiel #2
0
class SceneFile(object):

    def __init__(self, path=None):
        self.folder_path = Path()
        self.descriptor = 'main'
        self.task = None
        self.ver = 1
        self.ext = '.ma'
        scene = pmc.system.sceneName()
        if not path and scene:
            path = scene
        if not path and not scene:
            log.warning("Unable to initialise SceneFile object from an new scene."
                        "please specify a path.")
            return
        self._init_from_path(path)

    @property
    def filename(self):
        pattern = "{descriptor}_{task}_v{ver:03d}{ext}"
        return pattern.format(descriptor=self.descriptor,
                              task=self.task,
                              ver=self.ver,
                              ext=self.ext)

    @property
    def path(self):
        return self.folder_path / self.filename

    def _init_from_path(self, path):
        path = Path(path)
        self.folder_path = path.parent
        self.ext = path.ext
        self.descriptor, self.task, ver = path.name.stripext().split("_")
        self.ver = int(ver.split("v")[-1])

    def save(self):
        try:
            return pmc.system.saveAs(self.path)
        except RuntimeError:
            log.warning("Missing directories in path.  Creating folders...")
            self.folder_path.makedirs_p()
            return pmc.system.saveAs(self.path)

    def next_avail_ver(self):
        pattern = "{descriptor}_{task}_v*{ext}".format(descriptor=self.descriptor, task=self.task, ext=self.ext)
        matching_scenefiles = []
        for file_ in self.folder_path.files():
            if file_.name.fnmatch(pattern):
                matching_scenefiles.append(file_)
        if not matching_scenefiles:
            return 1
        matching_scenefiles.sort(reverse=True)
        latest_scenefile = matching_scenefiles[0]
        latest_scenefile = latest_scenefile.name.stripext()
        latest_ver_num = int(latest_scenefile.split("_v")[-1])
        return latest_ver_num + 1

    def increment_save(self):
        self.ver += self.next_avail_ver()
        self.save()