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Added comments to console

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This commit is contained in:
Sven Heidemann
2021-03-14 16:40:01 +01:00
parent 094a3c2aa9
commit 84680c0c44
3 changed files with 169 additions and 6 deletions
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148
src/cpl/console/console.py
View File

@@ -15,6 +15,9 @@ from cpl.console.spinner_thread import SpinnerThread
class Console:
"""
Useful functions for handling with input and output
"""
_is_first_write = True
_background_color: BackgroundColorEnum = BackgroundColorEnum.default
@@ -59,6 +62,11 @@ class Console:
@classmethod
def set_background_color(cls, color: Union[BackgroundColorEnum, str]):
"""
Sets the background color
:param color:
:return:
"""
if type(color) is str:
cls._background_color = BackgroundColorEnum[color]
else:
@@ -66,7 +74,11 @@ class Console:
@classmethod
def set_foreground_color(cls, color: Union[ForegroundColorEnum, str]):
"""
Sets the foreground color
:param color:
:return:
"""
if type(color) is str:
cls._foreground_color = ForegroundColorEnum[color]
else:
@@ -74,11 +86,21 @@ class Console:
@classmethod
def reset_cursor_position(cls):
"""
Resets cursor position
:return:
"""
cls._x = None
cls._y = None
@classmethod
def set_cursor_position(cls, x: int, y: int):
"""
Sets cursor position
:param x:
:param y:
:return:
"""
cls._x = x
cls._y = y
@@ -88,6 +110,14 @@ class Console:
@classmethod
def _output(cls, string: str, x: int = None, y: int = None, end='\n'):
"""
Prints given output with given format
:param string:
:param x:
:param y:
:param end:
:return:
"""
if cls._is_first_write:
cls._is_first_write = False
@@ -112,6 +142,10 @@ class Console:
@classmethod
def _show_select_menu(cls):
"""
Shows the select menu
:return:
"""
if not cls._is_first_select_menu_output:
for _ in range(0, len(cls._select_menu_items) + 1):
print('\b', end="\r")
@@ -130,6 +164,11 @@ class Console:
@classmethod
def _select_menu_key_press(cls, key: Key):
"""
Event function when key press is detected
:param key:
:return:
"""
if key == Key.down:
if cls._selected_menu_item_index == len(cls._select_menu_items) - 1:
return
@@ -151,6 +190,11 @@ class Console:
@classmethod
def banner(cls, string: str):
"""
Prints the string as a banner
:param string:
:return:
"""
if cls._disabled:
return
@@ -161,8 +205,21 @@ class Console:
ascii_banner = pyfiglet.figlet_format(string)
cls.write_line(ascii_banner)
@classmethod
def color_reset(cls):
"""
Resets color
:return:
"""
cls._background_color = BackgroundColorEnum.default
cls._foreground_color = ForegroundColorEnum.default
@classmethod
def clear(cls):
"""
Clears the console
:return:
"""
if cls._hold_back:
cls._hold_back_calls.append(ConsoleCall(cls.clear))
return
@@ -171,6 +228,10 @@ class Console:
@classmethod
def close(cls):
"""
Close the application
:return:
"""
if cls._disabled:
return
@@ -185,10 +246,20 @@ class Console:
@classmethod
def disable(cls):
"""
Disable console interaction
:return:
"""
cls._disabled = True
@classmethod
def error(cls, string: str, tb: str = None):
"""
Prints an error with traceback
:param string:
:param tb:
:return:
"""
if cls._disabled:
return
@@ -205,10 +276,19 @@ class Console:
@classmethod
def enable(cls):
"""
Enable console interaction
:return:
"""
cls._disabled = False
@classmethod
def read(cls, output: str = None) -> str:
"""
Read in line
:param output:
:return:
"""
if output is not None and not cls._hold_back:
cls.write_line(output)
@@ -216,6 +296,11 @@ class Console:
@classmethod
def read_line(cls, output: str = None) -> str:
"""
Reads in next line
:param output:
:return:
"""
if cls._disabled and not cls._hold_back:
return ''
@@ -226,13 +311,14 @@ class Console:
return input()
@classmethod
def color_reset(cls):
cls._background_color = BackgroundColorEnum.default
cls._foreground_color = ForegroundColorEnum.default
@classmethod
def table(cls, header: list[str], values: list[list[str]]):
"""
Prints a table with header and values
:param header:
:param values:
:return:
"""
if cls._disabled:
return
@@ -254,6 +340,19 @@ class Console:
cursor_foreground_color: Union[str, ForegroundColorEnum] = ForegroundColorEnum.default,
cursor_background_color: Union[str, BackgroundColorEnum] = BackgroundColorEnum.default
) -> str:
"""
Prints select menu
:param char:
:param message:
:param options:
:param header_foreground_color:
:param header_background_color:
:param option_foreground_color:
:param option_background_color:
:param cursor_foreground_color:
:param cursor_background_color:
:return: Selected option as str
"""
cls._selected_menu_item_char = char
cls.options = options
cls._select_menu_items = cls.options
@@ -285,6 +384,19 @@ class Console:
spinner_foreground_color: Union[str, ForegroundColorEnum] = None,
text_background_color: Union[str, BackgroundColorEnum] = None,
spinner_background_color: Union[str, BackgroundColorEnum] = None, **kwargs) -> any:
"""
Shows spinner and calls given function
When function has ended the spinner stops
:param message:
:param call:
:param args:
:param text_foreground_color:
:param spinner_foreground_color:
:param text_background_color:
:param spinner_background_color:
:param kwargs:
:return: Return value of call
"""
if cls._hold_back:
cls._hold_back_calls.append(ConsoleCall(cls.spinner, message, call, *args))
return
@@ -319,6 +431,11 @@ class Console:
@classmethod
def write(cls, *args):
"""
Prints in active line
:param args:
:return:
"""
if cls._disabled:
return
@@ -331,6 +448,13 @@ class Console:
@classmethod
def write_at(cls, x: int, y: int, *args):
"""
Prints at given position
:param x:
:param y:
:param args:
:return:
"""
if cls._disabled:
return
@@ -343,6 +467,11 @@ class Console:
@classmethod
def write_line(cls, *args):
"""
Prints to new line
:param args:
:return:
"""
if cls._disabled:
return
@@ -357,6 +486,13 @@ class Console:
@classmethod
def write_line_at(cls, x: int, y: int, *args):
"""
Prints new line at given position
:param x:
:param y:
:param args:
:return:
"""
if cls._disabled:
return

5
src/cpl/console/console_call.py
View File

@@ -4,6 +4,11 @@ from collections import Callable
class ConsoleCall:
def __init__(self, function: Callable, *args):
"""
Represents a console call, for hold back when spinner is active
:param function:
:param args:
"""
self._func = function
self._args = args

22
src/cpl/console/spinner_thread.py
View File

@@ -12,6 +12,12 @@ from cpl.console.foreground_color_enum import ForegroundColorEnum
class SpinnerThread(threading.Thread):
def __init__(self, msg_len: int, foreground_color: ForegroundColorEnum, background_color: BackgroundColorEnum):
"""
Thread to show spinner in terminal
:param msg_len:
:param foreground_color:
:param background_color:
"""
threading.Thread.__init__(self)
self._msg_len = msg_len
@@ -22,11 +28,19 @@ class SpinnerThread(threading.Thread):
@staticmethod
def _spinner():
"""
Selects active spinner char
:return:
"""
while True:
for cursor in '|/-\\':
yield cursor
def _get_color_args(self) -> list[str]:
"""
Creates color arguments
:return:
"""
color_args = []
if self._foreground_color is not None:
color_args.append(str(self._foreground_color.value))
@@ -37,6 +51,10 @@ class SpinnerThread(threading.Thread):
return color_args
def run(self) -> None:
"""
Entry point ohf thread, shows the spinner
:return:
"""
rows, columns = os.popen('stty size', 'r').read().split()
end_msg = 'done'
columns = int(columns) - self._msg_len - len(end_msg)
@@ -55,5 +73,9 @@ class SpinnerThread(threading.Thread):
print(colored(end_msg, *self._get_color_args()), end='')
def stop_spinning(self):
"""
Stops the spinner
:return:
"""
self._is_spinning = False
time.sleep(0.1)