import argparse
import os, sys
def parse_command_args() -> object:
"Set up argparse here. Call this function inside main."
parser = argparse.ArgumentParser(description="Memory Visualiser -- See Memory Usage Report with bar charts",epilog="Copyright 2023")
parser.add_argument("-l", "--length", type=int, default=20, help="Specify the length of the graph. Default is 20.")
# Create an entry for human-readable. Check the docs to make it a True/False option.
parser.add_argument("program", type=str, nargs='?', help="if a program is specified, show memory use of all associated processes. Show only total use if not.")
args = parser.parse_args()
return args
def percent_to_graph(percent: float, length: int=20) -> str:
"turns a percent XXXXXXXXXXinto a bar graph"
pass
def get_sys_mem() -> int:
"return total system memory (used or available) in kB"
# open the meminfo file to do this!
pass
def get_avail_mem() -> int:
"return total memory that is cu
ently in use"
# open the meminfo file to do this!
pass
def pids_of_prog(app_name: str) -> list:
"given an app name, return all pids associated with app"
# please use os.popen('pidof
') to do this!
pass
def rss_mem_of_pid(proc_id: str) -> int:
"given a process id, return the Resident memory used"
# for a process, open the smaps file and return the total of each
# Rss line.
pass
def bytes_to_human_r(kibibytes: int, decimal_places: int=2) -> str:
"turn 1,024 into 1 MiB, for example"
suffixes = ['KiB', 'MiB', 'GiB', 'TiB', 'PiB'] # iB indicates 1024
suf_count = 0
result = kibibytes
while result > 1024 and suf_count < len(suffixes):
XXXXXXXXXXresult /= 1024
XXXXXXXXXXsuf_count += 1
str_result = f'{result:.{decimal_places}f} '
str_result += suffixes[suf_count]
return str_result
if __name__ == "__main__":
args = parse_command_args()
if not args.program: # not program name is specified.
XXXXXXXXXXpass
else:
XXXXXXXXXXpass
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