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confbackup.py
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confbackup.py
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"""
Backup Unix configuration files on macOS, Ubuntu, and Raspbian.
Saves the backup in a directory tagged with a timestamp, e.g.
~/confbackup_2018-10-31_080945
The default parent directory (~) can be overriden with the --out parameter
Examples:
python confbackup.py --plaform pi
python confbackup.py --plaform ubuntu --out /dir/to/save
"""
import os
import argparse
import time
import shutil
from glob import glob
FILE_MAPPING = dict()
FILE_MAPPING['pi'] = {
'etc_network_interface': '/etc/network/interfaces',
'etc_dhcpcd.conf': '/etc/dhcpcd.conf',
'dot_bashrc': '~/.bashrc',
'dot_profile': '~/.profile'
}
FILE_MAPPING['ubuntu'] = {
'etc_network_interface': '/etc/network/interfaces',
'dot_bashrc': '~/.bashrc',
'dot_profile': '~/.profile'
}
FILE_MAPPING['mac'] = {
'dot_bashrc': '~/.bashrc',
'dot_bash_profile': '~/.bash_profile'
}
def generate_datetime_str():
return time.strftime("%Y-%m-%d_%H%M%S", time.gmtime())
def copy_file(f_src, f_key, save_dir):
print(f_src, '->', f_key)
f_dst = os.path.join(save_dir, f_key)
shutil.copyfile(f_src, f_dst)
def copy_shell_scripts_in_home(save_dir):
"""
Copy all shell scripts in the home directory
"""
for fname in glob(os.path.expanduser('~/*.sh')):
f_key = os.path.basename(fname)
copy_file(fname, f_key, save_dir)
if __name__ == '__main__':
arg_parser = argparse.ArgumentParser(description='Perform backup of config files.')
arg_parser.add_argument('--out', default='~')
arg_parser.add_argument('--platform', required=True)
args = arg_parser.parse_args()
if args.platform not in FILE_MAPPING.keys():
print('--platform parameter shoud be one of:')
for k in FILE_MAPPING.keys():
print(k)
exit()
save_f = 'confbackup_{}'.format(generate_datetime_str())
save_dir = os.path.join(os.path.expanduser(args.out), save_f)
print('Backing up to', save_dir)
os.makedirs(save_dir)
for f_key, f_loc_str in FILE_MAPPING[args.platform].items():
f_src = os.path.expanduser(f_loc_str)
if os.path.exists(f_src):
copy_file(f_src, f_key, save_dir)
copy_shell_scripts_in_home(save_dir)