Add .state property to file tuples returned from JFSFileDirList(), an…

…d revamp logic to be more resilient to unexpected file objects. See #88

src/jottalib/JFS.py

@@ -148,24 +148,35 @@ class JFSServerError(JFSError): # HTTP 500
 
 
 class JFSFileDirList(object):
-    'Wrapping <filedirlist>, a simple tree of folders and their files'
-    """get a <filedirlist> for any jottafolder by appending ?mode=list to your query
+    '''Wrapping <filedirlist>, a simple tree of folders and their files
+
+       Get a <filedirlist> for any jottafolder by appending ?mode=list to your query
+
+       Then you will get this object, with a .tree property, which is a list of all
+       files and folders.
+
+       Files will be a namedtuple() with five properties:
+         .name - file name
+         .state - file state (str): one of JFS.ProtoFile.STATE_*, e.g 'COMPLETED' or 'INCOMPLETE'
+         .size - file size (int or None): full size , partially uploaded size or no size, depentant on file state
+         .md5 - jottacloud file hash (str or None): corrupt files have no md5 hash
+         .uuid - jottacloud assigned uuid
 
     <filedirlist time="2015-05-28-T18:57:06Z" host="dn-093.site-000.jotta.no">
         <folders>
           <folder name="Sync">
             <path xml:space="preserve">/havardgulldahl/Jotta</path>
             <abspath xml:space="preserve">/havardgulldahl/Jotta</abspath>
             <files>
-                <file>..."""
+                <file>...'''
 
 
     def __init__(self, filedirlistobject, jfs, parentpath): # filedirlistobject from lxml.objectify
         self.filedirlist = filedirlistobject
         self.parentPath = parentpath
         self.jfs = jfs
 
-        treefile = namedtuple('TreeFile', 'name size md5 uuid')
+        treefile = namedtuple('TreeFile', 'name size md5 uuid state')
 
         self.tree = {}
         for folder in self.filedirlist.folders.iterchildren():
@@ -178,15 +189,27 @@ def __init__(self, filedirlistobject, jfs, parentpath): # filedirlistobject from
                         t.append(treefile(unicode(file_.attrib['name']),
                                           int(file_.currentRevision.size),
                                           unicode(file_.currentRevision.md5),
-                                          unicode(file_.attrib['uuid'])
+                                          unicode(file_.attrib['uuid']),
+                                          unicode(file_.currentRevision.state)
                                           )
                                  )
                     else:
-                        # an incomplete file
+                        # This is an incomplete or, possibly, corrupt file
+                        #
+                        # Incomplete files have no `size` in a filedirlist, you
+                        # need to fetch the JFSFile explicitly to see that property
+                        try:
+                            # incomplete files carry a md5 hash,
+                            _md5 = unicode(file_.latestRevision.md5)
+                        except AttributeError:
+                            # while other may not
+                            # see discussion in #88
+                            _md5 = None
                         t.append(treefile(unicode(file_.attrib['name']),
-                                          -1, # incomplete files have no size
-                                          unicode(file_.latestRevision.md5),
-                                          unicode(file_.attrib['uuid'])
+                                          None, # return size as None
+                                          _md5,
+                                          unicode(file_.attrib['uuid']),
+                                          unicode(file_.latestRevision.state)
                                           )
                                  )
             self.tree[posixpath.join(path, foldername)] = t

tests/test_JFS.py

@@ -22,7 +22,7 @@
 __author__ = '[email protected]'
 
 # import standardlib
-import os, logging, datetime
+import os, logging, datetime, types
 import tempfile, posixpath, urllib
 import six
 from six.moves import cStringIO as StringIO
@@ -462,6 +462,14 @@ def test_api(self):
         fdl = jfs.getObject('/Jotta/Sync/?mode=list')
         assert isinstance(fdl, JFS.JFSFileDirList)
         assert len(fdl.tree) > 0
+        i = 0
+        for folders in fdl.tree.values(): # iterate over all files in tree list
+            for f in folders:
+                assert isinstance(f.name, unicode)
+                assert isinstance(f.md5, (basestring, types.NoneType))
+                assert isinstance(f.state, basestring)
+                assert isinstance(f.uuid, basestring)
+                assert isinstance(f.size, (int, types.NoneType))
 
 class TestJFSError:
     'Test different JFSErrors'