refactor: refactor for modern layout

- split frontend and backend.
- update backend with modern Python dev strategies.

.gitignore

@@ -1,16 +1,3 @@
-# ignore sqlite db
-*.db
-
-# ignore my debug setting
-*.cfg
-
-# ignore py cache
-src/__pycache__
-
-# ignore any image first
-*.png
-*.jpg
-*.gif
-
-# elimate vscode
-.vscode
+## ======== Personal ========
+# Ignore VSCode
+.vscode/

backend/.gitignore

@@ -0,0 +1,19 @@
+## ======== Personal ========
+# Database file
+*.db
+
+# Ignore setting file
+coconut-leaf.toml
+
+## ======== Python ========
+# Python-generated files
+__pycache__/
+*.py[oc]
+build/
+dist/
+wheels/
+*.egg-info
+
+# Virtual environments
+.venv
+

backend/.python-version

@@ -0,0 +1 @@
+3.11

backend/coconut-leaf.py

@@ -0,0 +1,76 @@
+import sys
+import logging
+from argparse import ArgumentParser
+from typing import cast
+from pathlib import Path
+import server
+import config
+import utils
+import database
+
+
+def GetUsernamePassword():
+    print("What is the first username of this calendar system?")
+    cache = input()
+    while not utils.IsValidUsername(cache):
+        print("Sorry, invalid data. Please try again.")
+        cache = input()
+    username = cache
+
+    print("Input this user password:")
+    cache = input()
+    while not utils.IsValidPassword(cache):
+        print("Sorry, invalid data. Please try again.")
+        cache = input()
+    password = cache
+
+    return (username, password)
+
+
+if __name__ == "__main__":
+    print("Coconut-leaf")
+    print("A self-host, multi-account calendar system.")
+    print("Project: https://github.com/yyc12345/coconut-leaf")
+    print("===================")
+
+    # Receive arguments
+    parser = ArgumentParser(description="Coconut-leaf")
+    parser.add_argument(
+        "-c",
+        "--config",
+        required=True,
+        type=Path,
+        action="store",
+        metavar="CONFIG_TOML",
+        dest="config",
+        help="The configuration file for coconut-leaf",
+    )
+    parser.add_argument(
+        "-i",
+        "--init",
+        action="store_true",
+        dest="init",
+        help="Set for initialize the calendar system",
+    )
+    args = parser.parse_args()
+
+    # Load config file
+    try:
+        config.setup_config(cast(Path, args.config))
+    except Exception as e:
+        print(f"Error loading config file: {e}")
+        sys.exit(1)
+
+    # Setup logging level
+    logging_level = logging.DEBUG if config.get_config().others.debug else logging.INFO
+    logging.basicConfig(format='[%(levelname)s] %(message)s', level=logging_level)
+
+    # Initialize the calendar system if needed
+    if cast(bool, args.init):
+        gotten_data = GetUsernamePassword()
+        calendar = database.CalendarDatabase()
+        calendar.init(*gotten_data)
+        calendar.close()
+
+    logging.info("Staring server...")
+    server.run()

backend/coconut-leaf.template.toml

@@ -0,0 +1,22 @@
+[database]
+driver = "sqlite"
+
+[database.config]
+path = "coconut-leaf.db"
+
+# [database]
+# driver = "mysql"
+# 
+# [database.config]
+# host = "localhost"
+# port = 3306
+# user = "root"
+# password = "password"
+# database = "coconut_leaf"
+
+[web]
+port = 8888
+
+[others]
+auto-token-clean-duration = 86400
+debug = true

backend/config.py

@@ -0,0 +1,130 @@
+import tomllib
+from dataclasses import dataclass
+from enum import StrEnum
+from typing import Optional
+from pathlib import Path
+
+
+class DatabaseDriver(StrEnum):
+    SQLITE = "sqlite"
+    MYSQL = "mysql"
+
+    @staticmethod
+    def from_raw(raw: dict):
+        return DatabaseDriver(raw["driver"])
+
+
+@dataclass(frozen=True)
+class SqliteDatabaseConfig:
+    path: str
+    """Database path"""
+
+    @staticmethod
+    def from_raw(raw: dict):
+        return SqliteDatabaseConfig(raw["path"])
+
+
+@dataclass(frozen=True)
+class MysqlDatabaseConfig:
+    host: str
+    """Database host"""
+    port: int
+    """Database port"""
+    user: str
+    """Database user"""
+    password: str
+    """Database password"""
+    database: str
+    """Database name"""
+
+    @staticmethod
+    def from_raw(raw: dict):
+        return MysqlDatabaseConfig(
+            raw["host"], raw["port"], raw["user"], raw["password"], raw["database"]
+        )
+
+
+@dataclass(frozen=True)
+class DatabaseConfig:
+    driver: DatabaseDriver
+    """Database driver"""
+    config: SqliteDatabaseConfig | MysqlDatabaseConfig
+    """Database config"""
+
+    @staticmethod
+    def from_raw(raw: dict):
+        if raw["driver"] == DatabaseDriver.SQLITE:
+            return DatabaseConfig(
+                DatabaseDriver.SQLITE, SqliteDatabaseConfig.from_raw(raw["config"])
+            )
+        elif raw["driver"] == DatabaseDriver.MYSQL:
+            return DatabaseConfig(
+                DatabaseDriver.MYSQL, MysqlDatabaseConfig.from_raw(raw["config"])
+            )
+        else:
+            raise ValueError("Invalid database driver")
+
+
+@dataclass(frozen=True)
+class WebConfig:
+    port: int
+    """Web server port"""
+
+    @staticmethod
+    def from_raw(raw: dict):
+        return WebConfig(raw["port"])
+
+
+@dataclass(frozen=True)
+class OthersConfig:
+    debug: bool
+    """Whether enable debug mode"""
+    auto_token_clean_duration: int
+    """Auto token clean duration"""
+    
+    @staticmethod
+    def from_raw(raw: dict):
+        return OthersConfig(raw["debug"], raw["auto-token-clean-duration"])
+
+
+@dataclass(frozen=True)
+class Config:
+    database: DatabaseConfig
+    web: WebConfig
+    others: OthersConfig
+
+    @staticmethod
+    def from_raw(raw: dict):
+        return Config(
+            database=DatabaseConfig.from_raw(raw["database"]),
+            web=WebConfig.from_raw(raw["web"]),
+            others=OthersConfig.from_raw(raw["others"]),
+        )
+
+
+_CONFIG: Optional[Config] = None
+
+
+def setup_config(p: Path) -> None:
+    """
+    Setup config by given path.
+
+    Raise exception if config file is invalid.
+    """
+    with open(p, "rb") as f:
+        raw = tomllib.load(f)
+
+    global _CONFIG
+    _CONFIG = Config.from_raw(raw)
+
+
+def get_config() -> Config:
+    """
+    Get config instance.
+
+    Raises RuntimeError if config is not loaded.
+    """
+    if _CONFIG is None:
+        raise RuntimeError("Config is not loaded. Call setup_config() first.")
+    else:
+        return _CONFIG

backend/database.py

@@ -1,13 +1,16 @@
 import config
 import sqlite3
-import json
 import utils
 import threading
 import logging
 import dt
+from typing import cast
+from pathlib import Path
 
 def SafeDatabaseOperation(func):
-    def wrapper(self, *args, **kwargs):
+    def wrapper(self: 'CalendarDatabase', *args, **kwargs):
+        cfg = config.get_config()
+
         with self.mutex:
             # check database and acquire cursor
             try:
@@ -15,16 +18,16 @@ def SafeDatabaseOperation(func):
                 self.cursor = self.db.cursor()
             except Exception as e:
                 self.cursor = None
-                if config.CustomConfig['debug']:
+                if cfg.others.debug:
                     logging.exception(e)
                 return (False, str(e), None)
 
             # do real data work
             try:
                 currentTime = utils.GetCurrentTimestamp()
-                if currentTime - self.latestClean > config.CustomConfig['auto-token-clean-duration']:
+                if currentTime - self.latestClean > cfg.others.auto_token_clean_duration:
                     self.latestClean = currentTime
-                    print('Cleaning outdated token...')
+                    logging.info('Cleaning outdated token...')
                     self.tokenOper_clean()
 
                 result = (True, '', func(self, *args, **kwargs))
@@ -36,13 +39,19 @@ def SafeDatabaseOperation(func):
                 self.cursor.close()
                 self.cursor = None
                 self.db.rollback()
-                if config.CustomConfig['debug']:
+                if cfg.others.debug:
                     logging.exception(e)
                 return (False, str(e), None)
 
     return wrapper
 
-class CalendarDatabase(object):
+class CalendarDatabase:
+
+    db: sqlite3.Connection
+    cursor: sqlite3.Cursor
+    mutex: threading.Lock
+    latestClean: int
+
     def __init__(self):
         self.db = None
         self.cursor = None
@@ -53,13 +62,15 @@ class CalendarDatabase(object):
         if (self.is_database_valid()):
             raise Exception('Databade is opened')
 
-        if config.CustomConfig['database-type'] == 'sqlite':
-            self.db = sqlite3.connect(config.CustomConfig['database-config']['url'], check_same_thread = False)
+        cfg = config.get_config()
+        match cfg.database.driver:
+            case config.DatabaseDriver.SQLITE:
+                self.db = sqlite3.connect(cast(config.SqliteDatabaseConfig, cfg.database.config).path, check_same_thread = False)
                 self.db.execute('PRAGMA encoding = "UTF-8";')
                 self.db.execute('PRAGMA foreign_keys = ON;')
-        elif config.CustomConfig['database-type'] == 'mysql':
+            case config.DatabaseDriver.MYSQL:
                 raise Exception('Not implemented database')
-        else:
+            case _:
                 raise Exception('Unknow database type')
 
     def init(self, username, password):
@@ -67,9 +78,20 @@ class CalendarDatabase(object):
             raise Exception('Database is opened')
 
         # establish tables
+        cfg = config.get_config()
+        backend_path = Path(__file__).resolve().parent
+        backend_sql_path = backend_path / 'sql'
+        match cfg.database.driver:
+            case config.DatabaseDriver.SQLITE:
+                sql_file = backend_sql_path / 'sqlite.sql'
+            case config.DatabaseDriver.MYSQL:
+                raise Exception('Not implemented database')
+            case _:
+                raise Exception('Unknow database type')
+
         self.open()
         cursor = self.db.cursor()
-        with open('sql/sqlite.sql', 'r', encoding='utf-8') as fsql:
+        with open(sql_file, 'r', encoding='utf-8') as fsql:
             cursor.executescript(fsql.read())
 
         # finish init
@@ -272,11 +294,11 @@ class CalendarDatabase(object):
             sqlList.append('[ccn_loopDateTimeStart] = ?')
             argumentsList.append(analyseData[5])
             sqlList.append('[ccn_loopDateTimeEnd] = ?')
-            argumentsList.append(dt.ResolveLoopStr(
+            argumentsList.append(str(dt.ResolveLoopStr(
                 analyseData[8],
                 analyseData[5],
                 analyseData[7]
-            ))
+            )))
 
         # execute
         argumentsList.append(uuid)
@@ -531,8 +553,8 @@ class CalendarDatabase(object):
         argumentsList.append(_username)
         self.cursor.execute('UPDATE user SET {} WHERE [ccn_name] = ?;'.format(', '.join(sqlList)), 
         tuple(argumentsList))
-        print(cache)
-        print(tuple(argumentsList))
+        logging.debug(cache)
+        logging.debug(tuple(argumentsList))
         if self.cursor.rowcount != 1:
             raise Exception('Fail to update due to no matched rows or too much rows.')
         return True

backend/dt.py

@@ -1,6 +1,7 @@
 import datetime
-import time
 import re
+import logging
+import typing
 from functools import reduce
 import utils
 
@@ -13,7 +14,9 @@ MAX_TIMESTAMP = int(MAX_DATETIME.timestamp() / 60)
 DAY1_SPAN = 60 * 24
 DAY7_SPAN = 7 * DAY1_SPAN
 
-def ResolveLoopStr(strl, starttime, tzoffset):
+LoopHandle = typing.Callable[[re.Match, int, int, int], int]
+
+def ResolveLoopStr(strl: str, starttime: int, tzoffset: int) -> int:
     # check no loop
     if strl == '':
         return starttime
@@ -40,7 +43,7 @@ def ResolveLoopStr(strl, starttime, tzoffset):
         raise Exception('Invalid loopRules')
 
 
-def LoopHandle_Year(searchResult, starttime, times, tzoffset):
+def LoopHandle_Year(searchResult: re.Match, starttime: int, times: int, tzoffset: int) -> int:
     clientDate = datetime.datetime.fromtimestamp(starttime * 60, UTCTimezone(tzoffset))
     isStrict = searchResult.group(1) == 'S'
     yearSpan = int(searchResult.group(2))
@@ -52,7 +55,7 @@ def LoopHandle_Year(searchResult, starttime, times, tzoffset):
     if clientMonth == 2 and clientDay == 29:
         if isStrict:
             realSpan = utils.LCM(yearSpan, 4)
-            print(realSpan)
+            logging.debug(realSpan)
             valCache = starttime
             while valCache < MAX_TIMESTAMP and times > 0:
                 newYear += realSpan
@@ -71,7 +74,7 @@ def LoopHandle_Year(searchResult, starttime, times, tzoffset):
     val = starttime + DAY1_SPAN * (DaysCount(newYear, newMonth, newDay) - DaysCount(clientYear, clientMonth, clientDay))
     return val if val < MAX_TIMESTAMP else MAX_TIMESTAMP
 
-def LoopHandle_Month(searchResult, starttime, times, tzoffset):
+def LoopHandle_Month(searchResult: re.Match, starttime: int, times: int, tzoffset: int) -> int:
     isStrict = searchResult.group(1) == 'S'
     loopType = searchResult.group(2)
     monthSpan = int(searchResult.group(3))
@@ -144,7 +147,7 @@ def LoopHandle_Month(searchResult, starttime, times, tzoffset):
     val = starttime + DAY1_SPAN * (DaysCount(newYear, newMonth, newDay) - DaysCount(clientYear, clientMonth, clientDay))
     return val if val < MAX_TIMESTAMP else MAX_TIMESTAMP
 
-def LoopHandle_Week(searchResult, starttime, times, tzoffset):
+def LoopHandle_Week(searchResult: re.Match, starttime: int, times: int, tzoffset: int) -> int:
     weekOccupied = tuple(map(lambda x: x == 'T', searchResult.group(1)))
     weekEventCount = reduce(lambda x, y: x + (1 if y else 0), weekOccupied, 0)
     if weekEventCount == 0:
@@ -170,25 +173,25 @@ def LoopHandle_Week(searchResult, starttime, times, tzoffset):
     val -= 1
     return val if val < MAX_TIMESTAMP else MAX_TIMESTAMP
 
-def LoopHandle_Day(searchResult, starttime, times, tzoffset):
+def LoopHandle_Day(searchResult: re.Match, starttime: int, times: int, tzoffset: int) -> int:
     val = starttime + DAY1_SPAN * times * int(searchResult.group(1))
     val -= 1
     return val if val < MAX_TIMESTAMP else MAX_TIMESTAMP
 
-precompiledLoopRules = (
+precompiledLoopRules: tuple[tuple[re.Pattern, LoopHandle], ...] = (
     (re.compile(r'^Y([SR]{1})([1-9]\d*)$'), LoopHandle_Year),
     (re.compile(r'^M([SR]{1})([ABCD]{1})([1-9]\d*)$'), LoopHandle_Month),
     (re.compile(r'^W([TF]{7})([1-9]\d*)$'), LoopHandle_Week),
     (re.compile(r'^D([1-9]\d*)$'), LoopHandle_Day)
 )
 
-precompiledLoopStopRules = {
+precompiledLoopStopRules: dict[str, re.Pattern] = {
     'infinity': re.compile(r'^F$'),
     'datetime': re.compile(r'^D([1-9]\d*|0)$'),
     'times': re.compile(r'^T([1-9]\d*)$')
 }
 
-def LeapYearCountEx(endYear, includeThis = False, baseYear = 1, includeBase = True):
+def LeapYearCountEx(endYear: int, includeThis: bool = False, baseYear: int = 1, includeBase: bool = True):
     if not includeThis:
         endYear -= 1
     if includeBase:
@@ -204,10 +207,10 @@ def LeapYearCountEx(endYear, includeThis = False, baseYear = 1, includeBase = Tr
 
     return (endly - basely)
 
-def LeapYearCount(year):
+def LeapYearCount(year: int):
     return LeapYearCountEx(year, False, 1, True)
 
-def IsLeapYear(year):
+def IsLeapYear(year: int):
     isLeap = False
     if year % 4 == 0:
         isLeap = True
@@ -217,7 +220,7 @@ def IsLeapYear(year):
         isLeap = True
     return isLeap
 
-def DaysCount(year, month, day):
+def DaysCount(year: int, month: int, day: int):
     ly = LeapYearCountEx(year, False, 1, True)
     days = 365 * (year - 1)
     days += ly
@@ -231,7 +234,7 @@ def DaysCount(year, month, day):
     days += day - 1
     return days
 
-def DayOfWeek(year, month, day):
+def DayOfWeek(year: int, month: int, day: int):
     # as we know, 1/1/1900 is Monday.
     # via this method, we can got 1/1/1 is Monday
     # compute day span
@@ -240,7 +243,7 @@ def DayOfWeek(year, month, day):
     # return day of week (from 0 - 6, corresponding with python)
     return days % 7
 
-def GetDayInMonth(year, month, day):
+def GetDayInMonth(year: int, month: int, day: int):
     days = MonthDayCount[month - 1] + (1 if (month == 2 and IsLeapYear(year)) else 0)
     firstDayOfWeek = DayOfWeek(year, month, 1)
     dayOfWeek = (firstDayOfWeek + day - 1) % 7
@@ -253,7 +256,7 @@ def GetDayInMonth(year, month, day):
 
     return (dayForwards, dayBackwards, weeksForward, dayOfWeek, weeksBackwards, dayOfWeek)
 
-def GetMonthWeekStatistics(year, month):
+def GetMonthWeekStatistics(year: int, month: int):
     days = MonthDayCount[month - 1] + (1 if (month == 2 and IsLeapYear(year)) else 0)
     firstDayOfWeek = DayOfWeek(year, month, 1)
     lastDayOfWeek = (firstDayOfWeek + days - 1) % 7
@@ -269,14 +272,18 @@ def GetMonthWeekStatistics(year, month):
     return tuple(result)
 
 class UTCTimezone(datetime.tzinfo):
-    def __init__(self, offset = 0):
-        self._offset = offset
+
+    __offset: int
+
+    def __init__(self, offset: int = 0):
+        self.__offset = offset
 
     def utcoffset(self, dt):
-        return datetime.timedelta(minutes=self._offset)
+        return datetime.timedelta(minutes=self.__offset)
 
     def tzname(self, dt):
-        return 'UTC {}'.format(self._offset)
+        return 'UTC {}'.format(self.__offset)
 
     def dst(self, dt):
         return datetime.timedelta(0)
+    

backend/pyproject.toml

@@ -0,0 +1,14 @@
+[project]
+name = "coleaf-backend"
+version = "1.1.0"
+description = "The backend of coconut-leaf."
+readme = "README.md"
+requires-python = ">=3.11"
+dependencies = [
+    "flask==2.2.3",
+]
+[tool.uv]
+constraint-dependencies = [
+    "Werkzeug==2.2.2",
+    "MarkupSafe==2.1.5"
+]

backend/server.py

@@ -1,39 +1,45 @@
 from flask import Flask
-from flask import g
+# from flask import g
 from flask import render_template
 from flask import url_for
 from flask import request
-from flask import abort
+# from flask import abort
 from flask import redirect
 
-from functools import reduce
-import json
-import os
+# from functools import reduce
+# import json
+# import os
 
 import config
 import database
 import utils
+from pathlib import Path
 
-app = Flask(__name__)
+_FRONTEND_PATH = Path(__file__).resolve().parent.parent / "frontend"
+app = Flask(
+    __name__,
+    static_folder=_FRONTEND_PATH / "static",
+    template_folder=_FRONTEND_PATH / "templates",
+)
 calendar_db = database.CalendarDatabase()
 
 # render_static_resources = None
 
 # =============================================database
-'''
-def get_database():
-    db = getattr(g, '_database', None)
-    if db is None:
-        db = database.CalendarDatabase()
-        db.open()
-    return db
 
-@app.teardown_appcontext
-def close_database(exception):
-    db = getattr(g, '_database', None)
-    if db is not None:
-        db.close()
-'''
+# def get_database():
+#     db = getattr(g, '_database', None)
+#     if db is None:
+#         db = database.CalendarDatabase()
+#         db.open()
+#     return db
+
+# @app.teardown_appcontext
+# def close_database(exception):
+#     db = getattr(g, '_database', None)
+#     if db is not None:
+#         db.close()
+
 
 # ============================================= static page route
 
@@ -216,7 +222,7 @@ def api_collection_getFullOwnHandle():
 
 @app.route('/api/collection/getListOwn', methods=['POST'])
 def api_collection_getListOwnHandle():
-    return SmartDbCaller(calendar_db.collection_getListlOwn, 
+    return SmartDbCaller(calendar_db.collection_getListOwn, 
     (('token', str, False), ),
     None)
 
@@ -446,6 +452,6 @@ def ConstructResponseBody(returnedTuple):
 
 def run():
     calendar_db.open()
-    app.run(port=config.CustomConfig['web']['port'])
+    app.run(port=config.get_config().web.port)
     calendar_db.close()
     

backend/uv.lock

@@ -0,0 +1,117 @@
+version = 1
+revision = 2
+requires-python = ">=3.11"
+
+[manifest]
+constraints = [
+    { name = "markupsafe", specifier = "==2.1.5" },
+    { name = "werkzeug", specifier = "==2.2.2" },
+]
+
+[[package]]
+name = "click"
+version = "8.3.3"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "colorama", marker = "sys_platform == 'win32'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/bb/63/f9e1ea081ce35720d8b92acde70daaedace594dc93b693c869e0d5910718/click-8.3.3.tar.gz", hash = "sha256:398329ad4837b2ff7cbe1dd166a4c0f8900c3ca3a218de04466f38f6497f18a2", size = 328061, upload-time = "2026-04-22T15:11:27.506Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/ae/44/c1221527f6a71a01ec6fbad7fa78f1d50dfa02217385cf0fa3eec7087d59/click-8.3.3-py3-none-any.whl", hash = "sha256:a2bf429bb3033c89fa4936ffb35d5cb471e3719e1f3c8a7c3fff0b8314305613", size = 110502, upload-time = "2026-04-22T15:11:25.044Z" },
+]
+
+[[package]]
+name = "coleaf-backend"
+version = "1.1.0"
+source = { virtual = "." }
+dependencies = [
+    { name = "flask" },
+]
+
+[package.metadata]
+requires-dist = [{ name = "flask", specifier = "==2.2.3" }]
+
+[[package]]
+name = "colorama"
+version = "0.4.6"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/d8/53/6f443c9a4a8358a93a6792e2acffb9d9d5cb0a5cfd8802644b7b1c9a02e4/colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44", size = 27697, upload-time = "2022-10-25T02:36:22.414Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/d1/d6/3965ed04c63042e047cb6a3e6ed1a63a35087b6a609aa3a15ed8ac56c221/colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6", size = 25335, upload-time = "2022-10-25T02:36:20.889Z" },
+]
+
+[[package]]
+name = "flask"
+version = "2.2.3"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "click" },
+    { name = "itsdangerous" },
+    { name = "jinja2" },
+    { name = "werkzeug" },
+]
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src/coconut-leaf.py

@@ -1,54 +0,0 @@
-import os
-import sys
-import getopt
-import server
-import config
-import utils
-import database
-
-def GetUsernamePassword():
-    print('What is the first username of this calendar system?')
-    cache = input()
-    while(not utils.IsValidUsername(cache)):
-        print('Sorry, invalid data. Please try again.')
-        cache = input()
-    username = cache
-
-    print("Input this user password:")
-    cache = input()
-    while(not utils.IsValidPassword(cache)):
-        print('Sorry, invalid data. Please try again.')
-        cache = input()
-    password = cache
-
-    return (username, password)
-
-print('Coconut-leaf')
-print('A self-host, multi-account calendar system.')
-print('Project: https://github.com/yyc12345/coconut-leaf')
-print('===================')
-
-# process args
-# preset init value
-need_init = False
-try:
-    opts, args = getopt.getopt(sys.argv[1:], "hi")
-except getopt.GetoptError:
-    print('Wrong arguments!')
-    print('python coconut-leaf.py [-i] [-h]')
-    sys.exit(1)
-for opt, arg in opts:
-    if opt == '-h':
-        print('python coconut-leaf.py [-i]')
-        sys.exit(0)
-    elif opt == '-i':
-        need_init = True
-
-if need_init:
-    gotten_data = GetUsernamePassword()
-    calendar = database.CalendarDatabase()
-    calendar.init(*gotten_data)
-    calendar.close()
-
-print('Staring server...')
-server.run()

src/config.py

@@ -1,7 +0,0 @@
-import json
-
-CustomConfig = None
-
-# read cfg
-with open('config.cfg', 'r', encoding='utf-8') as f:
-    CustomConfig = json.load(f)