Add python script

[perso/Immae/Config/dotdrop.git] / dotfiles / programming / python / startup_script.py

diff --git a/dotfiles/programming/python/startup_script.py b/dotfiles/programming/python/startup_script.py
new file mode 100644 (file)
index 0000000..403afe5
--- /dev/null
+++ b/dotfiles/programming/python/startup_script.py
@@ -0,0 +1,52 @@
+import sys as sys_
+
+# Adapted from /usr/lib/python3.7/site.py # enablerlcompleter
+def register_readline():
+    import os
+    import atexit
+    try:
+        import readline
+        import rlcompleter
+    except ImportError:
+        return
+
+    # Reading the initialization (config) file may not be enough to set a
+    # completion key, so we set one first and then read the file.
+    readline_doc = getattr(readline, '__doc__', '')
+    if readline_doc is not None and 'libedit' in readline_doc:
+        readline.parse_and_bind('bind ^I rl_complete')
+    else:
+        readline.parse_and_bind('tab: complete')
+
+    try:
+        readline.read_init_file()
+    except OSError:
+        # An OSError here could have many causes, but the most likely one
+        # is that there's no .inputrc file (or .editrc file in the case of
+        # Mac OS X + libedit) in the expected location.  In that case, we
+        # want to ignore the exception.
+        pass
+
+    if readline.get_current_history_length() == 0:
+        # If no history was loaded, default to .python_history.
+        # The guard is necessary to avoid doubling history size at
+        # each interpreter exit when readline was already configured
+        # through a PYTHONSTARTUP hook, see:
+        # http://bugs.python.org/issue5845#msg198636
+        environ = os.environ.get("XDG_STATE_HOME") or os.environ.get("XDG_DATA_HOME")
+        if environ is not None:
+            if not os.path.exists(os.path.join(environ, "python")):
+                os.mkdir(os.path.join(environ, "python"))
+            history = os.path.join(environ, "python", "history")
+        else:
+            history = os.path.join(os.path.expanduser('~'),
+                                   '.python_history')
+        try:
+            readline.read_history_file(history)
+        except OSError:
+            pass
+        atexit.register(readline.write_history_file, history)
+
+sys_.__interactivehook__ = register_readline
+
+del sys_