mirror of
https://github.com/dankamongmen/notcurses.git
synced 2024-11-04 06:00:30 +00:00
90 lines
3.0 KiB
Python
90 lines
3.0 KiB
Python
# SPDX-License-Identifier: Apache-2.0
|
|
|
|
# Copyright 2020 igo95862
|
|
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
from typing import Generator
|
|
|
|
from notcurses import NcChannels, NcDirect
|
|
|
|
# Acquire the NcDirect plane
|
|
nc_direct = NcDirect()
|
|
nc_direct.cursor_enabled = False
|
|
channels = NcChannels()
|
|
channels.set_background_rgb(255, 0, 0)
|
|
channels.set_foreground_rgb(0, 0, 0)
|
|
|
|
# Get x dimensions, ignore y
|
|
_, x_dimension = nc_direct.dimensions_yx
|
|
|
|
# Function to generate the green to red line
|
|
|
|
|
|
def red_line_gen(used_space: int = 0, percent: float = 1.0
|
|
) -> Generator[int, None, None]:
|
|
line_size = x_dimension - used_space # How much space in the line we have
|
|
blocks_to_put = round(percent * line_size) # How many blocks to fill
|
|
for x in range(blocks_to_put):
|
|
# Yeilds the integer on what to reduce green and increase red by
|
|
yield round(x * 255.0 / line_size)
|
|
|
|
|
|
# Open the meminfo file
|
|
with open('/proc/meminfo') as f:
|
|
meminfo_lines = f.read().splitlines()
|
|
|
|
|
|
mem_total_line = meminfo_lines[0] # Line 0 is the total memory
|
|
mem_avalible_line = meminfo_lines[2]
|
|
|
|
# The lines in meminfo file are like this
|
|
# MemTotal: 3801578 kB
|
|
# so we need to split by whitespace and get second item
|
|
mem_total = int(mem_total_line.split()[1]) # Get total memory
|
|
mem_avalible = int(mem_avalible_line.split()[1]) # Get avalible memory
|
|
|
|
mem_percent_used = 1.0 - mem_avalible / mem_total # Calculate percent used
|
|
|
|
mem_sting = f"Memory used: {round(100.0 * mem_percent_used)}% "
|
|
|
|
nc_direct.putstr(mem_sting) # Put the used memory
|
|
|
|
for red_shift in red_line_gen(len(mem_sting), mem_percent_used):
|
|
# Get the red shift from the function and use it in red channel
|
|
# and subtract it from green
|
|
channels.set_background_rgb(red_shift, 255-red_shift, 0)
|
|
channels.set_foreground_rgb(red_shift, 255-red_shift, 0)
|
|
nc_direct.putstr('X', channels)
|
|
|
|
nc_direct.putstr('\n') # Finish line
|
|
|
|
swap_total = int(meminfo_lines[14].split()[1]) # Get swap total
|
|
swap_avalible = int(meminfo_lines[15].split()[1]) # Get swap used
|
|
|
|
swap_percent_used = 1.0 - swap_avalible / swap_total
|
|
|
|
swap_string = f"Swap used: {round(100.0 * swap_percent_used)}% "
|
|
|
|
# Add space in case swap is a single digit
|
|
if len(swap_string) < len(mem_sting):
|
|
swap_string += ' '
|
|
|
|
nc_direct.putstr(swap_string)
|
|
|
|
for red_shift in red_line_gen(len(swap_string), swap_percent_used):
|
|
channels.set_background_rgb(red_shift, 255-red_shift, 0)
|
|
channels.set_foreground_rgb(red_shift, 255-red_shift, 0)
|
|
nc_direct.putstr('X', channels)
|
|
|
|
nc_direct.putstr('\n')
|