diff options
Diffstat (limited to 'code')
| -rw-r--r-- | code/directory.py | 72 | ||||
| -rw-r--r-- | code/file.py | 6 | ||||
| -rw-r--r-- | code/fm.py | 2 | ||||
| -rw-r--r-- | code/fsobject.py | 65 |
4 files changed, 103 insertions, 42 deletions
diff --git a/code/directory.py b/code/directory.py index d50432d2..10ad163c 100644 --- a/code/directory.py +++ b/code/directory.py @@ -1,55 +1,45 @@ -class FrozenException(Exception): pass -class NotLoadedYet(Exception): pass +import fsobject +import file -class Directory(): +class Directory(fsobject.FSObject): def __init__(self, path): - self.path = path - self.accessible = False - self.files_loaded = False + fsobject.FSObject.__init__(self, path) + self.content_loaded = False self.scheduled = False - self.files = None - self.mtime = None - self.exists = True - - self.frozen = False + self.enterable = False - def load_files(self): + self.filenames = None + self.files = None + self.pointed_index = None + + def load_content(self): + self.stop_if_frozen() + self.load_if_outdated() + self.content_loaded = True import os - if self.frozen: raise FrozenException() - try: - self.mtime = os.path.getmtime(self.path) - self.files = os.listdir(self.path) - self.exists = True - self.accessible = True - except OSError: - self.files = None - self.exists = False - self.accessible = False - - self.files_loaded = True - - def clone(self): - clone = Directory(self.path) - for key in iter(self.__dict__): - clone.__dict__[key] = self.__dict__[key] - return clone - - def frozenClone(self): - clone = self.clone() - clone.frozen = True - return clone + if self.exists: + self.filenames = os.listdir(self.path) + self.files = [] + for name in self.filenames: + f = file.File(name) + f.load() + self.files.append(f) + + def load_content_once(self): + self.stop_if_frozen() + if not self.content_loaded: self.load_content() def __len__(self): - if not self.accessible: raise NotLoadedYet() - return len(self.files) + if not self.accessible: raise fsobject.NotLoadedYet() + return len(self.filenames) def __getitem__(self, key): - if not self.accessible: raise NotLoadedYet() - return self.files[key] + if not self.accessible: raise fsobject.NotLoadedYet() + return self.filenames[key] if __name__ == '__main__': d = Directory('.') - d.load_files() - print(d.files) + d.load_filenames() + print(d.filenames) print(d[1]) diff --git a/code/file.py b/code/file.py new file mode 100644 index 00000000..291e53b2 --- /dev/null +++ b/code/file.py @@ -0,0 +1,6 @@ +import fsobject +class File(fsobject.FSObject): + pass +# def __init__(self, path): +# fsobject.FSObject.__init__(self, path) + diff --git a/code/fm.py b/code/fm.py index 8029d915..c2fe30a4 100644 --- a/code/fm.py +++ b/code/fm.py @@ -18,7 +18,7 @@ class FM(): self.env.pwd = directory.Directory(path) self.env.directories[path] = self.env.pwd - self.env.pwd.load_files() + self.env.pwd.load_content() if len(self.env.pwd) > 0: self.env.cf = self.env.pwd[0] def run(self): diff --git a/code/fsobject.py b/code/fsobject.py new file mode 100644 index 00000000..d1cd1410 --- /dev/null +++ b/code/fsobject.py @@ -0,0 +1,65 @@ +class FrozenException(Exception): pass +class NotLoadedYet(Exception): pass + +class FSObject(object): + def __init__(self, path): + self.path = path + self.exists = False + self.accessible = False + self.marked = False + self.tagged = False + self.frozen = False + self.loaded = False + self.stat = None + + def clone(self): + clone = type(self)(self.path) + for key in iter(self.__dict__): + clone.__dict__[key] = self.__dict__[key] + return clone + + def load(self): + self.stop_if_frozen() + self.loaded = True + + import os + try: + self.stat = os.stat(self.path) + self.exists = True + self.accessible = True + except OSError: + self.exists = False + self.accessible = False + + def load_once(self): + self.stop_if_frozen() + if not self.loaded: self.load() + + def load_if_outdated(self): + self.stop_if_frozen() + import os + + if not self.loaded: + self.load() + return True + + real_mtime = os.stat(self.path).st_mtime + cached_mtime = self.stat.st_mtime + + if real_mtime != cached_mtime: + self.load() + return True + + return False + + def frozen_clone(self): + self.stop_if_frozen() + return self.clone().freeze() + + def stop_if_frozen(self): + if self.frozen: raise FrozenException() + + def freeze(self): + self.frozen = True + return self + |