docs: fix warnings

docs/blame.rst

@@ -12,9 +12,9 @@ The Blame type
 ==============
 
 .. automethod:: pygit2.Blame.for_line
-.. method:: iter(Blame)
-.. method:: len(Blame)
-.. method:: Blame[n]
+.. method:: Blame.__iter__()
+.. method:: Blame.__len__()
+.. method:: Blame.__getitem__(n)
 
 
 The BlameHunk type

docs/config.rst

@@ -14,7 +14,7 @@ The Config type
 .. automethod:: pygit2.Config.get_multivar
 .. automethod:: pygit2.Config.set_multivar
 
-.. method:: for (name, value) in Config
+.. method:: Config.__iter__()
 
    The :class:`Config` class has an iterator which can be used to loop
    through all the entries in the configuration. Each element is a tuple

docs/diff.rst

@@ -35,7 +35,7 @@ The Diff type
 ====================
 
 .. autoattribute:: pygit2.Diff.patch
-.. method:: len(Diff)
+.. method:: Diff.__len__()
 
    Returns the number of deltas/patches in this diff.
 

docs/objects.rst

@@ -18,7 +18,7 @@ In the previous chapter we learnt about Object IDs. With an oid we can ask the
 repository to get the associated object. To do that the ``Repository`` class
 implementes a subset of the mapping interface.
 
-.. method:: Repository.get(oid, default=None)
+.. automethod:: pygit2.Repository.get
 
    Return the Git object for the given *oid*, returns the *default* value if
    there's no object in the repository with that oid. The oid can be an Oid
@@ -32,13 +32,13 @@ implementes a subset of the mapping interface.
      >>> obj
      <_pygit2.Commit object at 0x7ff27a6b60f0>
 
-.. method:: Repository[oid]
+.. method:: Repository.__getitem__(oid)
 
    Return the Git object for the given oid, raise ``KeyError`` if there's no
    object in the repository with that oid. The oid can be an Oid object, or
    an hexadecimal string.
 
-.. method:: oid in Repository
+.. method:: Repository.__contains__(oid)
 
    Returns True if there is an object in the Repository with that oid, False
    if there is not.  The oid can be an Oid object, or an hexadecimal string.
@@ -147,20 +147,20 @@ directory in a file system. Each entry points to another tree or a blob.  A
 tree can be iterated, and partially implements the sequence and mapping
 interfaces.
 
-.. method:: Tree[name]
+.. method:: Tree.__getitem__(name)
 
    Return the TreeEntry object for the given *name*. Raise ``KeyError`` if
    there is not a tree entry with that name.
 
-.. method:: name in Tree
+.. method:: Tree.__contains__(name)
 
    Return True if there is a tree entry with the given name, False otherwise.
 
-.. method:: len(Tree)
+.. method:: Tree.__len__()
 
    Return the number of entries in the tree.
 
-.. method:: iter(Tree)
+.. method:: Tree.__iter__()
 
    Return an iterator over the entries of the tree.
 
@@ -176,7 +176,7 @@ Tree entries
 .. autoattribute:: pygit2.TreeEntry.hex
 .. autoattribute:: pygit2.TreeEntry.filemode
 
-.. method:: cmp(TreeEntry, TreeEntry)
+.. method:: TreeEntry.__cmp__(TreeEntry)
 
    Rich comparison between tree entries.
 

docs/oid.rst

@@ -65,7 +65,7 @@ And the other way around, from an Oid object we can get the hexadecimal and raw
 forms. You can use the built-in `str()` (or `unicode()` in python 2) to get the
 hexadecimal representation of the Oid.
 
-.. method:: str(pygit2.Oid)
+.. method:: Oid.__str__()
 .. autoattribute:: pygit2.Oid.raw
 
 The Oid type supports: