3 Commits

Author SHA1 Message Date
db8b70dd8f Reimplement quickdel script in python 2019-03-17 00:54:32 -07:00
e165d6768f Don't hardcode exit values, use os.sync() in ddusb 2019-03-16 22:19:18 -07:00
5660ef32ad Update zsh completions 2019-03-13 21:52:13 -07:00
6 changed files with 177 additions and 12 deletions

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@ -2,6 +2,7 @@
"""Wrapper script for using dd to write to a USB drive."""
import argparse
import os
import pathlib
import re
import subprocess
@ -10,6 +11,10 @@ import subprocess
COMMENT_PATTERN = "^[#;]"
EXCLUDE_FILE = "/etc/helper-scripts/ddusb-exclude.conf"
E_BLOCKDEVICE_ERROR = 1
E_EXCLUDE_ERROR = 2
E_DD_ERROR = 3
# ========== Functions ==========
def read_exclude_file(exclude_file):
@ -46,7 +51,7 @@ block_path = args.output_file
# Ensure that block_path is really a block device
if not pathlib.Path(block_path).is_block_device():
print(f'Error: "{block_path}" is not a block device')
exit(1)
exit(E_BLOCKDEVICE_ERROR)
# Check if block_path is excluded
exclude_patterns = read_exclude_file(EXCLUDE_FILE)
@ -54,7 +59,7 @@ exclude_patterns = read_exclude_file(EXCLUDE_FILE)
for pattern in exclude_patterns:
if re.fullmatch(pattern, block_path):
print(f'Error: "{block_path}" is blacklisted from running dd')
exit(2)
exit(E_EXCLUDE_ERROR)
print(f"Input file: {input_file}")
print(f"Block device: {block_path}")
@ -72,6 +77,6 @@ try:
check=True,
)
except subprocess.CalledProcessError:
exit(3)
exit(E_DD_ERROR)
else:
subprocess.run("sync")
os.sync()

157
quickdel.py Normal file
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@ -0,0 +1,157 @@
#!/usr/bin/python3
"""
quickdel - delete any file matching a query
Dependencies
============
* fd
* python-termcolor
Command-Line Arguments
======================
* -d, --directories-only
* -D, --directory TODO: implement this
* -e, --empty-only
* -E, --extension
* -f, --files-only
* -i, --no-ignore
* -I, --no-ignore-vcs
* -l, --links-only
"""
import argparse
import os
import os.path
import re
import subprocess
from termcolor import colored
# ========== Constants ==========
FD_BIN = "/usr/bin/fd"
FD_OPTS = []
# Matches 'y' or 'yes' only, ignoring case
USER_RESPONSE_YES = "^[Yy]{1}([Ee]{1}[Ss]{1})?$"
E_USER_RESPONSE_NO = 1
E_INPUT_INTERRUPTED = 2
# ========== Functions ==========
def color_file(filename):
"""Return correct color code for filetype of filename.
Example
-------
>>> color_file('Test File', 'red')
'\x1b[31mTest String\x1b[0m'
:param filename: file to determine color output for
:type filename: str
:return: filename with ANSII escape codes for color
:rtype: str
"""
if os.path.isdir(filename):
return colored(filename, "blue")
elif os.path.islink(filename):
return colored(filename, "green")
else:
return filename
# ========== Main Script ==========
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument(
"-d",
"--directories-only",
action="store_const",
const=["--type", "directories"],
dest="fd_extra_opts",
help="filter results to directories",
)
parser.add_argument(
"-e",
"--empty-only",
action="store_const",
const=["--type", "empty"],
dest="fd_extra_opts",
help="filter results to empty files and directories",
)
parser.add_argument(
"-E",
"--extension",
action="append",
dest="extensions",
help="file extension",
metavar='ext',
)
parser.add_argument(
"-f",
"--files-only",
action="store_const",
const=["--type", "file"],
dest="fd_extra_opts",
help="filter results to files",
)
parser.add_argument(
"-I",
"--no-ignore-vcs",
action="store_const",
const="--no-ignore-vcs",
dest="fd_extra_opts",
help="do not ignore .gitignore",
)
parser.add_argument(
"-i",
"--no-ignore",
action="store_const",
const="--no-ignore",
dest="fd_extra_opts",
help="do not ignore .gitignore and .fdignore",
)
parser.add_argument(
"-l",
"--links-only",
action="store_const",
const=["--type", "symlink"],
dest="fd_extra_opts",
help="filter results to symlinks",
)
parser.add_argument("patterns", nargs="+", help="file matching patterns")
args = parser.parse_args()
if args.fd_extra_opts is not None:
FD_OPTS.extend(args.fd_extra_opts)
if args.extensions is not None:
for ext in args.extensions:
FD_OPTS.extend(["--extension", ext])
files = []
for pattern in args.patterns:
cmd = [FD_BIN, *FD_OPTS, pattern]
files.extend(
subprocess.run(
cmd, capture_output=True, text=True
).stdout.splitlines()
)
files.sort()
# Pretty print all filenames
for index, filename in enumerate([color_file(f) for f in files], 1):
print(f"{index}. {filename}")
try:
user_response = input("Would you like to delete these files? ")
except KeyboardInterrupt:
exit(E_INPUT_INTERRUPTED)
if re.match(USER_RESPONSE_YES, user_response) is None:
print("Operation cancelled")
exit(E_USER_RESPONSE_NO)
for f in files:
os.remove(f)
print("All files deleted")

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@ -1,7 +1,6 @@
#compdef ddusb
# zsh completions for 'ddusb'
# automatically generated with http://github.com/RobSis/zsh-completion-generator
local arguments
arguments=(

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@ -2,12 +2,11 @@
local arguments
arguments=(
$argument_list
{-h, --help}'[show this help message and exit]'
{-b, --boot}'[edit a file in /boot]'
{-d, --dir}'[edit a file in a given directory]'
{-E, --etc}'[edit a file in /etc]'
{-e, --editor}'[use a given editor]'
{-h,--help}'[show this help message and exit]'
{-b,--boot}'[edit a file in /boot]'
{-d,--dir}'[edit a file in a given directory]'
{-E,--etc}'[edit a file in /etc]'
{-e,--editor}'[use a given editor]'
'*:filename:_files'
)

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@ -4,11 +4,16 @@
local arguments
arguments=(
{-d,--directories-only}'[only delete directories]'
{-d,--directories-only}'[filter results to directories]'
{-e,--empty-only}'[filter results to empty files and directories]'
{-f,--files-only}'[filter results to files]'
{-E,--extension}'[file extension]'
{-h,--help}'[print this help page]'
{-i,--no-ignore}'[do not ignore .gitignore and .fdignore]'
{-I,--no-ignore-vcs}'[do not ignore .gitignore]'
{-l,--links-only}'[filter results to symlinks]'
'*:filename:_files'
)
_arguments -s $arguments