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