update docs

pykeepass/attachment.py

@@ -3,7 +3,15 @@
 
 
 class Attachment:
-    """Binary data attached to an `Entry`. A piece of binary data may be attached to multiple entries"""
+    """Binary data attached to an `Entry`.
+
+    *Binary* refers to the bytes of the attached data
+    (stored at the root level of the database), while *attachment* is a
+    reference to a binary (stored in an entry).  A binary can be referenced
+    by none, one or many attachments.
+    A piece of binary data may be attached to multiple entries
+
+    """
     def __init__(self, element=None, kp=None, id=None, filename=None):
         self._element = element
         self._kp = kp
@@ -22,7 +30,7 @@ def id(self, id):
 
     @property
     def filename(self):
-        """`str`: get or set filename attachment"""
+        """`str`: get or set filename string"""
         return self._element.find('Key').text
 
     @filename.setter

pykeepass/entry.py

@@ -162,6 +162,8 @@ def attachments(self):
     def add_attachment(self, id, filename):
         """Add attachment to entry
 
+        The existence of a binary with the given `id` is not checked
+
         Args:
             id (`int`): ID of attachment in database
             filename (`str`): filename to assign to this attachment data
@@ -178,7 +180,7 @@ def add_attachment(self, id, filename):
         return attachment.Attachment(element=element, kp=self._kp)
 
     def delete_attachment(self, attachment):
-        """remove an attachment from entry"""
+        """remove an attachment from entry.  Does not remove binary data"""
         attachment.delete()
 
     def deref(self, attribute):
@@ -235,7 +237,7 @@ def notes(self, value):
 
     @property
     def icon(self):
-        """`str`: get or set entry icon. See icons.py"""
+        """`str`: get or set entry icon. See `icons`"""
         return self._get_subelement_text('IconID')
 
     @icon.setter