remove code deprecated since at least IPython 5.0

.github/workflows/test.yml

@@ -55,6 +55,6 b' jobs:'
       env:
         COLUMNS: 120
       run: |
-        pytest --color=yes -ra -v --cov --cov-report=xml
+        pytest --color=yes -raXxs --cov --cov-report=xml
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v2

IPython/core/interactiveshell.py

@@ -161,13 +161,6 b' def no_op(*a, **kw):'
 class SpaceInInput(Exception): pass
 
 
-def get_default_colors():
-    "DEPRECATED"
-    warn('get_default_color is deprecated since IPython 5.0, and returns `Neutral` on all platforms.',
-        DeprecationWarning, stacklevel=2)
-    return 'Neutral'
-
-
 class SeparateUnicode(Unicode):
     r"""A Unicode subclass to validate separate_in, separate_out, etc.
 
@@ -440,29 +433,6 b' class InteractiveShell(SingletonConfigurable):'
         will be displayed as regular output instead."""
     ).tag(config=True)
 
-    # deprecated prompt traits:
-
-    prompt_in1 = Unicode('In [\\#]: ',
-        help="Deprecated since IPython 4.0 and ignored since 5.0, set TerminalInteractiveShell.prompts object directly."
-    ).tag(config=True)
-    prompt_in2 = Unicode('   .\\D.: ',
-        help="Deprecated since IPython 4.0 and ignored since 5.0, set TerminalInteractiveShell.prompts object directly."
-    ).tag(config=True)
-    prompt_out = Unicode('Out[\\#]: ',
-        help="Deprecated since IPython 4.0 and ignored since 5.0, set TerminalInteractiveShell.prompts object directly."
-    ).tag(config=True)
-    prompts_pad_left = Bool(True,
-        help="Deprecated since IPython 4.0 and ignored since 5.0, set TerminalInteractiveShell.prompts object directly."
-    ).tag(config=True)
-
-    @observe('prompt_in1', 'prompt_in2', 'prompt_out', 'prompt_pad_left')
-    def _prompt_trait_changed(self, change):
-        name = change['name']
-        warn("InteractiveShell.{name} is deprecated since IPython 4.0"
-             " and ignored since 5.0, set TerminalInteractiveShell.prompts"
-             " object directly.".format(name=name))
-
-        # protect against weird cases where self.config may not exist:
 
     show_rewritten_input = Bool(True,
         help="Show rewritten input, e.g. for autocall."
@@ -2038,19 +2008,6 b' class InteractiveShell(SingletonConfigurable):'
         the %paste magic."""
         self.showsyntaxerror()
 
-    #-------------------------------------------------------------------------
-    # Things related to readline
-    #-------------------------------------------------------------------------
-
-    def init_readline(self):
-        """DEPRECATED
-
-        Moved to terminal subclass, here only to simplify the init logic."""
-        # Set a number of methods that depend on readline to be no-op
-        warnings.warn('`init_readline` is no-op since IPython 5.0 and is Deprecated',
-                DeprecationWarning, stacklevel=2)
-        self.set_custom_completer = no_op
-
     @skip_doctest
     def set_next_input(self, s, replace=False):
         """ Sets the 'default' input string for the next command line.
@@ -3513,20 +3470,6 b' class InteractiveShell(SingletonConfigurable):'
             file_path.write_text(data)
         return filename
 
-    @undoc
-    def write(self,data):
-        """DEPRECATED: Write a string to the default output"""
-        warn('InteractiveShell.write() is deprecated, use sys.stdout instead',
-             DeprecationWarning, stacklevel=2)
-        sys.stdout.write(data)
-
-    @undoc
-    def write_err(self,data):
-        """DEPRECATED: Write a string to the default error output"""
-        warn('InteractiveShell.write_err() is deprecated, use sys.stderr instead',
-             DeprecationWarning, stacklevel=2)
-        sys.stderr.write(data)
-
     def ask_yes_no(self, prompt, default=None, interrupt=None):
         if self.quiet:
             return True

IPython/core/tests/test_magic_terminal.py

@@ -149,8 +149,8 b' class PasteTestCase(TestCase):'
     def test_paste_echo(self):
         "Also test self.paste echoing, by temporarily faking the writer"
         w = StringIO()
-        writer = ip.write
-        ip.write = w.write
+        old_write = sys.stdout.write
+        sys.stdout.write = w.write
         code = """
         a = 100
         b = 200"""
@@ -158,7 +158,7 b' class PasteTestCase(TestCase):'
             self.paste(code,'')
             out = w.getvalue()
         finally:
-            ip.write = writer
+            sys.stdout.write = old_write
         self.assertEqual(ip.user_ns["a"], 100)
         self.assertEqual(ip.user_ns["b"], 200)
         assert out == code + "\n## -- End pasted text --\n"

IPython/terminal/magics.py

@@ -198,11 +198,10 b' class TerminalMagics(Magics):'
 
         # By default, echo back to terminal unless quiet mode is requested
         if 'q' not in opts:
-            write = self.shell.write
-            write(self.shell.pycolorize(block))
-            if not block.endswith('\n'):
-                write('\n')
-            write("## -- End pasted text --\n")
+            sys.stdout.write(self.shell.pycolorize(block))
+            if not block.endswith("\n"):
+                sys.stdout.write("\n")
+            sys.stdout.write("## -- End pasted text --\n")
 
         self.store_or_execute(block, name)
 

IPython/utils/io.py

@@ -233,11 +233,6 b' def raw_print_err(*args, **kw):'
           file=sys.__stderr__)
     sys.__stderr__.flush()
 
-# used by IPykernel <- 4.9. Removed during IPython 7-dev period and re-added 
-# Keep for a version or two then should remove
-rprint = raw_print
-rprinte = raw_print_err
-
 @undoc
 def unicode_std_stream(stream='stdout'):
     """DEPRECATED, moved to nbconvert.utils.io"""