First commit

moodlefs.py

@@ -0,0 +1,82 @@
+from errno import ENOENT, EACCES
+
+from fuse import LoggingMixIn, Operations, FuseOSError
+
+from FSNode import FSNode
+
+# a simple read-only filesystem to-tree interface
+class MoodleFS(LoggingMixIn, Operations):
+    'Example memory filesystem. Supports only one level of files.'
+
+    def __init__(self, moodle):
+        self.category_name_id_map = {}
+        self.moodle = moodle
+        self.tree = FSNode.from_moodle(self.moodle)
+
+    def chmod(self, path, mode):
+        return 0  # makes no sense
+
+    def chown(self, path, uid, gid):
+        return 0  # makes no sense
+
+    def create(self, path, mode):
+        return 0  # makes no sense
+
+    def getattr(self, path, fh=None):
+        s = self.tree.resolve_path(path)
+        if s is None:
+            raise FuseOSError(ENOENT)
+        return s.to_stat_struct()
+
+    def getxattr(self, path, name, position=0):
+        pass
+
+    def listxattr(self, path):
+        attrs = self.files[path].get('attrs', {})
+        return []
+
+    def mkdir(self, path, mode):
+        return EACCES
+
+    def open(self, path, flags):
+        return 120
+
+    def read(self, path, size, offset, fh):
+        return self.tree.resolve_path(path).read(size, offset, self.moodle)
+
+    def readdir(self, path, fh):
+        dir_e = self.tree.resolve_path(path)
+        return ['.', '..'] + [child.name for child in dir_e.children]
+
+    def readlink(self, path):
+        return self.data[path]
+
+    def removexattr(self, path, name):
+        pass
+
+    def rename(self, old, new):
+        return EACCES
+
+    def rmdir(self, path):
+        return EACCES
+
+    def setxattr(self, path, name, value, options, position=0):
+        pass
+
+    def statfs(self, path):
+        return dict(f_bsize=512, f_blocks=4096, f_bavail=2048)
+
+    def symlink(self, target, source):
+        return EACCES
+
+    def truncate(self, path, length, fh=None):
+        return EACCES
+
+    def unlink(self, path):
+        return EACCES
+
+    def utimens(self, path, times=None):
+        pass
+
+    def write(self, path, data, offset, fh):
+        return EACCES