Issue #17047: remove doubled words found in 2.7 to 3.4 Lib/*,

as reported by Serhiy Storchaka and Matthew Barnett.

Lib/_pyio.py

@@ -298,7 +298,7 @@ class IOBase:
     def seek(self, pos, whence=0):
         """Change stream position.
 
-        Change the stream position to byte offset offset. offset is
+        Change the stream position to byte offset pos. Argument pos is
         interpreted relative to the position indicated by whence.  Values
         for whence are:
 

Lib/distutils/command/install.py

@@ -265,8 +265,8 @@ class install (Command):
 
         if self.user and (self.prefix or self.exec_prefix or self.home or
                 self.install_base or self.install_platbase):
-            raise DistutilsOptionError("can't combine user with with prefix/"
-                                       "exec_prefix/home or install_(plat)base")
+            raise DistutilsOptionError("can't combine user with prefix, "
+                                       "exec_prefix/home, or install_(plat)base")
 
         # Next, stuff that's wrong (or dubious) only on certain platforms.
         if os.name != "posix":

Lib/distutils/tests/test_install.py

@@ -166,7 +166,7 @@ class InstallTestCase(support.TempdirManager,
         cmd.home = 'home'
         self.assertRaises(DistutilsOptionError, cmd.finalize_options)
 
-        # can't combine user with with prefix/exec_prefix/home or
+        # can't combine user with prefix/exec_prefix/home or
         # install_(plat)base
         cmd.prefix = None
         cmd.user = 'user'

Lib/ftplib.py

@@ -454,7 +454,7 @@ class FTP:
           blocksize: The maximum data size to read from fp and send over
                      the connection at once.  [default: 8192]
           callback: An optional single parameter callable that is called on
-                    on each block of data after it is sent.  [default: None]
+                    each block of data after it is sent.  [default: None]
           rest: Passed to transfercmd().  [default: None]
 
         Returns:
@@ -477,7 +477,7 @@ class FTP:
           cmd: A STOR command.
           fp: A file-like object with a readline() method.
           callback: An optional single parameter callable that is called on
-                    on each line after it is sent.  [default: None]
+                    each line after it is sent.  [default: None]
 
         Returns:
           The response code.

Lib/idlelib/extend.txt

@@ -54,7 +54,7 @@ Extensions are not required to define menu entries for all the events they
 implement.  (They are also not required to create keybindings, but in that
 case there must be empty bindings in cofig-extensions.def)
 
-Here is a complete example example:
+Here is a complete example:
 
 class ZoomHeight:
 
@@ -72,7 +72,7 @@ class ZoomHeight:
         "...Do what you want here..."
 
 The final piece of the puzzle is the file "config-extensions.def", which is
-used to to configure the loading of extensions and to establish key (or, more
+used to configure the loading of extensions and to establish key (or, more
 generally, event) bindings to the virtual events defined in the extensions.
 
 See the comments at the top of config-extensions.def for information.  It's

Lib/idlelib/rpc.py

@@ -2,7 +2,7 @@
 
 For security reasons, GvR requested that Idle's Python execution server process
 connect to the Idle process, which listens for the connection.  Since Idle has
-has only one client per server, this was not a limitation.
+only one client per server, this was not a limitation.
 
    +---------------------------------+ +-------------+
    | SocketServer.BaseRequestHandler | | SocketIO    |

Lib/lib-tk/Tix.py

@@ -1902,38 +1902,39 @@ class Grid(TixWidget, XView, YView):
         self.tk.call(self, 'set', x, y, *args)
 
     def size_column(self, index, **kw):
-        """Queries  or  sets the size of the column given by
-        INDEX.  INDEX may be any  non-negative
-        integer  that  gives  the  position  of a given column.
+        """Queries or sets the size of the column given by
+        INDEX.  INDEX may be any non-negative
+        integer that gives the position of a given column.
         INDEX can also be the string "default"; in this case, this command
         queries or sets the default size of all columns.
-        When  no  option-value  pair is given, this command returns a tuple
-        containing the current size setting of the given  column.  When
-        option-value  pairs  are  given,  the corresponding options of the
+        When no option-value pair is given, this command returns a tuple
+        containing the current size setting of the given column.  When
+        option-value pairs are given, the corresponding options of the
         size setting of the given column are changed. Options may be one
-        of  the  follwing:
+        of the follwing:
               pad0 pixels
                      Specifies the paddings to the left of a column.
               pad1 pixels
-                     Specifies the paddings to the right of a  column.
+                     Specifies the paddings to the right of a column.
               size val
-                     Specifies  the  width of a column .
-                     Val may be: "auto" -- the width of the column is set the
-                     the widest cell in the column; a valid Tk screen distance
-                     unit; or a real number following by the word chars
+                     Specifies the width of a column.  Val may be:
+                     "auto" -- the width of the column is set to the
+                     width of the widest cell in the column;
+                     a valid Tk screen distance unit;
+                     or a real number following by the word chars
                      (e.g. 3.4chars) that sets the width of the column to the
                      given number of characters."""
         return self.tk.split(self.tk.call(self._w, 'size', 'column', index,
                              *self._options({}, kw)))
 
     def size_row(self, index, **kw):
-        """Queries  or  sets the size of the row given by
-        INDEX. INDEX may be any  non-negative
-        integer  that  gives  the  position  of a given row .
+        """Queries or sets the size of the row given by
+        INDEX. INDEX may be any non-negative
+        integer that gives the position of a given row .
         INDEX can also be the string "default"; in this case, this command
         queries or sets the default size of all rows.
-        When  no option-value pair is given, this command returns a list con-
-        taining the current size setting of the given  row . When option-value
+        When no option-value pair is given, this command returns a list con-
+        taining the current size setting of the given row . When option-value
         pairs are given, the corresponding options of the size setting of the
         given row are changed. Options may be one of the follwing:
               pad0 pixels
@@ -1941,10 +1942,11 @@ class Grid(TixWidget, XView, YView):
               pad1 pixels
                      Specifies the paddings to the bottom of a row.
               size val
-                     Specifies  the height of a row.
-                     Val may be: "auto" -- the height of the row  is  set  the
-                     the highest cell in the row; a valid Tk screen distance
-                     unit; or a real number following by the word chars
+                     Specifies the height of a row.  Val may be:
+                     "auto" -- the height of the row is set to the
+                     height of the highest cell in the row;
+                     a valid Tk screen distance unit;
+                     or a real number following by the word chars
                      (e.g. 3.4chars) that sets the height of the row to the
                      given number of characters."""
         return self.tk.split(self.tk.call(

Lib/lib-tk/turtle.py

@@ -811,8 +811,8 @@ class TurtleScreenBase(object):
 class Terminator (Exception):
     """Will be raised in TurtleScreen.update, if _RUNNING becomes False.
 
-    Thus stops execution of turtle graphics script. Main purpose: use in
-    in the Demo-Viewer turtle.Demo.py.
+    This stops execution of a turtle graphics script.
+    Main purpose: use in the Demo-Viewer turtle.Demo.py.
     """
     pass
 

Lib/lib2to3/pgen2/grammar.py

@@ -20,7 +20,7 @@ from . import token, tokenize
 
 
 class Grammar(object):
-    """Pgen parsing tables tables conversion class.
+    """Pgen parsing tables conversion class.
 
     Once initialized, this class supplies the grammar tables for the
     parsing engine implemented by parse.py.  The parsing engine
@@ -45,7 +45,7 @@ class Grammar(object):
                      these two are each other's inverse.
 
     states        -- a list of DFAs, where each DFA is a list of
-                     states, each state is is a list of arcs, and each
+                     states, each state is a list of arcs, and each
                      arc is a (i, j) pair where i is a label and j is
                      a state number.  The DFA number is the index into
                      this list.  (This name is slightly confusing.)

Lib/msilib/__init__.py

@@ -326,7 +326,7 @@ class Directory:
 
     def add_file(self, file, src=None, version=None, language=None):
         """Add a file to the current component of the directory, starting a new one
-        one if there is no current component. By default, the file name in the source
+        if there is no current component. By default, the file name in the source
         and the file table will be identical. If the src file is specified, it is
         interpreted relative to the current directory. Optionally, a version and a
         language can be specified for the entry in the File table."""

Lib/test/test_descrtut.py

@@ -329,7 +329,7 @@ Attributes defined by get/set methods
     ...         return self.__set(inst, value)
 
 Now let's define a class with an attribute x defined by a pair of methods,
-getx() and and setx():
+getx() and setx():
 
     >>> class C(object):
     ...

Lib/test/test_socket.py

@@ -415,7 +415,7 @@ class GeneralModuleTests(unittest.TestCase):
         # Try same call with optional protocol omitted
         port2 = socket.getservbyname(service)
         eq(port, port2)
-        # Try udp, but don't barf it it doesn't exist
+        # Try udp, but don't barf if it doesn't exist
         try:
             udpport = socket.getservbyname(service, 'udp')
         except socket.error: