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#!/usr/bin/env python3
"""Smol listing manager."""
import string
import subprocess
from pathlib import Path
import smolcgi as scgi
scgi.require_client_cert()
ALLOWED_LIST_NAME_CHARS = string.ascii_lowercase + string.digits + "_"
def show_lists():
user_dir = scgi.get_user_dir()
scgi.header(20, "text/gemini")
print("# Lists")
for child in user_dir.iterdir():
if child.is_file():
scgi.link(f"/{child.name}", f"📄 {child.name}")
scgi.link("/_/create", "✨ Create a new list")
def show_list(list_name):
list_file = scgi.get_user_dir() / list_name
try:
with open(list_file, "rt") as f:
content = f.read()
except FileNotFoundError:
scgi.not_found()
else:
scgi.header(20, "text/gemini")
print("# " + list_name)
print(content)
scgi.link(f"/{list_name}/add", "Append item")
scgi.link(f"/{list_name}/pop", "Pop first item")
scgi.link(f"/{list_name}/clear", "Clear list")
scgi.link(f"/{list_name}/delete", "Delete list")
def process_action(list_name, action):
if list_name == "_":
if action == "create":
process_creation()
else:
scgi.not_found()
else:
if action == "add":
process_add(list_name)
elif action == "pop":
process_pop(list_name)
elif action == "clear":
process_clear(list_name)
elif action == "delete":
process_delete(list_name)
else:
scgi.not_found()
def process_creation():
if not (new_list_name := scgi.query_string_dec):
meta = "List name (allowed chars: lowercase, digits, underscore)"
scgi.require_input(meta)
else:
for char in new_list_name:
if char not in ALLOWED_LIST_NAME_CHARS:
scgi.temp_error(f"Illegal character in list name: {char}")
list_file = scgi.get_user_dir() / new_list_name
list_file.touch(mode=0o660)
redirect_to_list(new_list_name)
def process_add(list_name):
if not (item := scgi.query_string_dec):
scgi.require_input("Enter your item")
else:
if "\n" in item:
scgi.temp_error("No new line allowed in item.")
line = f"* {item}\n"
list_file = scgi.get_user_dir() / list_name
try:
with open(list_file, "at") as f:
f.write(line)
except FileNotFoundError:
scgi.not_found()
else:
redirect_to_list(list_name)
def process_pop(list_name):
list_file = scgi.get_user_dir() / list_name
subprocess.run(["sed", "-i", "1d", str(list_file)])
redirect_to_list(list_name)
def process_clear(list_name):
if scgi.query_string_dec:
if scgi.query_string_dec != list_name:
redirect_to_list(list_name)
list_file = scgi.get_user_dir() / list_name
try:
with open(list_file, "wt") as f:
f.truncate()
except OSError:
scgi.temp_error()
redirect_to_list(list_name)
else:
scgi.require_input("Type the list name to confirm its clearing.")
def process_delete(list_name):
if scgi.query_string_dec:
if scgi.query_string_dec != list_name:
redirect_to_list(list_name)
list_file = scgi.get_user_dir() / list_name
list_file.unlink()
scgi.redirect_temp(scgi.script_name)
else:
scgi.require_input("Type the list name to confirm its deletion.")
def redirect_to_list(list_name):
scgi.redirect_temp(scgi.script_name + "/" + list_name)
path_components = scgi.path_info.lstrip("/").split("/", maxsplit=1)
list_name = path_components[0]
action = path_components[1] if len(path_components) > 1 else ''
if not list_name:
show_lists()
elif not action and list_name != "_":
show_list(list_name)
else:
process_action(list_name, action)