8th day of python challenges 111-117

venv/lib/python3.6/site-packages/pandas/io/formats/console.py

@@ -0,0 +1,83 @@
+"""
+Internal module for console introspection
+"""
+
+from shutil import get_terminal_size
+
+
+def get_console_size():
+    """Return console size as tuple = (width, height).
+
+    Returns (None,None) in non-interactive session.
+    """
+    from pandas import get_option
+
+    display_width = get_option("display.width")
+    # deprecated.
+    display_height = get_option("display.max_rows")
+
+    # Consider
+    # interactive shell terminal, can detect term size
+    # interactive non-shell terminal (ipnb/ipqtconsole), cannot detect term
+    # size non-interactive script, should disregard term size
+
+    # in addition
+    # width,height have default values, but setting to 'None' signals
+    # should use Auto-Detection, But only in interactive shell-terminal.
+    # Simple. yeah.
+
+    if in_interactive_session():
+        if in_ipython_frontend():
+            # sane defaults for interactive non-shell terminal
+            # match default for width,height in config_init
+            from pandas._config.config import get_default_val
+
+            terminal_width = get_default_val("display.width")
+            terminal_height = get_default_val("display.max_rows")
+        else:
+            # pure terminal
+            terminal_width, terminal_height = get_terminal_size()
+    else:
+        terminal_width, terminal_height = None, None
+
+    # Note if the User sets width/Height to None (auto-detection)
+    # and we're in a script (non-inter), this will return (None,None)
+    # caller needs to deal.
+    return (display_width or terminal_width, display_height or terminal_height)
+
+
+# ----------------------------------------------------------------------
+# Detect our environment
+
+
+def in_interactive_session():
+    """ check if we're running in an interactive shell
+
+    returns True if running under python/ipython interactive shell
+    """
+    from pandas import get_option
+
+    def check_main():
+        try:
+            import __main__ as main
+        except ModuleNotFoundError:
+            return get_option("mode.sim_interactive")
+        return not hasattr(main, "__file__") or get_option("mode.sim_interactive")
+
+    try:
+        return __IPYTHON__ or check_main()  # noqa
+    except NameError:
+        return check_main()
+
+
+def in_ipython_frontend():
+    """
+    check if we're inside an an IPython zmq frontend
+    """
+    try:
+        ip = get_ipython()  # noqa
+        return "zmq" in str(type(ip)).lower()
+    except NameError:
+        pass
+
+    return False