Initial commit

.gitignore

@@ -9,6 +9,7 @@ __pycache__/
 
 # Distribution / packaging
 .Python
+venv/
 env/
 build/
 develop-eggs/

README.md

@@ -1,3 +1,17 @@
 # py-reminder
 
-Simple application to set reminders in python
+Simple application to set reminders in python
+
+## Dependencies
+
+For development, we use the [black code formatter](https://black.readthedocs.io/en/stable/), and pylint as a linter
+
+```
+pip install black pylint
+```
+
+### Windows
+
+```
+pip install pywin32
+```

notify.py

@@ -0,0 +1,11 @@
+import os
+
+def show_notification(title, msg):
+    if os.name == 'nt':
+        from notify_win import show_toast
+        show_toast(title, msg)
+    else:
+        from gi.repository import Notify
+        Notify.init(title)
+        Notify.Notification.new(msg).show()
+        Notify.uninit()

notify_win.py

@@ -0,0 +1,90 @@
+import os
+import logging
+import win32con
+import win32gui
+
+from time import sleep
+
+
+class ToastNotifier:
+    def show_toast(self, title, msg, icon_path=None, duration=5):
+        message_map = {win32con.WM_DESTROY: self.on_destroy}
+        # Register the Window class.
+        wc = win32gui.WNDCLASS()
+        wc.lpszClassName = "PythonTaskbar"
+        wc.lpfnWndProc = message_map  # could also specify a wndproc.
+
+        classAtom = win32gui.RegisterClass(wc)
+        self.hinst = wc.hInstance = win32gui.GetModuleHandle(None)
+
+        # Create the Window.
+        style = win32con.WS_OVERLAPPED | win32con.WS_SYSMENU
+        self.hwnd = win32gui.CreateWindow(
+            classAtom,
+            "Taskbar",
+            style,
+            0,
+            0,
+            win32con.CW_USEDEFAULT,
+            win32con.CW_USEDEFAULT,
+            0,
+            0,
+            self.hinst,
+            None,
+        )
+        win32gui.UpdateWindow(self.hwnd)
+
+        self.hicon = self._set_icon(icon_path)
+
+        flags = win32gui.NIF_ICON | win32gui.NIF_MESSAGE | win32gui.NIF_TIP
+        nid = (self.hwnd, 0, flags, win32con.WM_USER + 20, self.hicon, "Tooltip")
+        # Add a new notification icon
+        win32gui.Shell_NotifyIcon(win32gui.NIM_ADD, nid)
+        win32gui.Shell_NotifyIcon(
+            win32gui.NIM_MODIFY,
+            (
+                self.hwnd,
+                0,
+                win32gui.NIF_INFO,
+                win32con.WM_USER + 20,
+                self.hicon,
+                "Balloon Tooltip",
+                msg,
+                200,
+                title,
+            ),
+        )
+
+        sleep(duration)
+        win32gui.DestroyWindow(self.hwnd)
+        win32gui.UnregisterClass(wc.lpszClassName, None)
+
+    def _set_icon(self, icon_path):
+        # icon
+        if icon_path is not None:
+            icon_path = os.path.realpath(icon_path)
+        else:
+            return None
+        icon_flags = win32con.LR_LOADFROMFILE | win32con.LR_DEFAULTSIZE
+        try:
+            hicon = win32gui.LoadImage(
+                self.hinst, icon_path, win32con.IMAGE_ICON, 0, 0, icon_flags
+            )
+        except Exception as e:
+            logging.error("Some trouble with the icon ({}): {}".format(icon_path, e))
+            hicon = win32gui.LoadIcon(0, win32con.IDI_APPLICATION)
+        return hicon
+
+    def on_destroy(self, hwnd, msg, wparam, lparam):
+        nid = (hwnd, 0)
+        win32gui.Shell_NotifyIcon(win32gui.NIM_DELETE, nid)
+        win32gui.PostQuitMessage(0)
+
+
+_notifier = ToastNotifier()
+def show_toast(title, msg, icon_path=None, duration=5):
+    _notifier.show_toast(title, msg, icon_path=None, duration=5)
+
+if __name__ == "__main__":
+    toaster = ToastNotifier()
+    toaster.show_toast("Hello world", "Test")

run.py

@@ -0,0 +1,21 @@
+from schedule import Scheduler
+from notify import show_notification
+import datetime
+import time
+
+
+def notify_hello():
+    show_notification("Hello world", "test")
+
+
+if __name__ == "__main__":
+    _scheduler = Scheduler()
+
+    # _scheduler.every(datetime.timedelta(seconds=3), lambda: print("Hello"))
+    # _scheduler.at(datetime.timedelta(seconds=5), lambda: print("Should run only once"))
+
+    _scheduler.at(datetime.datetime(2019, 7, 1, 12, 4), notify_hello)
+
+    while True:
+        _scheduler.run()
+        time.sleep(1)

schedule.py

@@ -0,0 +1,50 @@
+import time
+import datetime
+import logging
+
+logging.basicConfig(
+    level=logging.DEBUG, format="%(asctime)s - %(name)s - %(levelname)s - %(message)s"
+)
+
+
+class Job:
+    def __init__(self, target, interval, times: int):
+        self.target = target
+        self.interval = interval
+        self.next_run = datetime.datetime.now() + interval
+        self.times = times
+        self.last_run = None
+
+    @property
+    def should_run(self):
+        if self.times == 0:
+            return False
+        return datetime.datetime.now() >= self.next_run
+
+    def run(self):
+        logging.info(f"Running job {self}")
+        self.last_run = datetime.datetime.now()
+        self.target()
+        self.times -= 1
+        self.next_run = self.last_run + self.interval
+        logging.debug(f"Last run {self.last_run}")
+        logging.debug(f"Next run {self.next_run}")
+        logging.debug(f"Should run {self.should_run}")
+
+
+class Scheduler:
+    jobs: [Job] = []
+
+    def every(self, interval: datetime.timedelta, target, times=-1):
+        self.jobs.append(Job(target, interval, times))
+
+    def at(self, time, target):
+        interval = time - datetime.datetime.now()
+        self.jobs.append(Job(target, interval, 1))
+
+    def run(self):
+        for job in self.jobs:
+            if job.should_run:
+                job.run()
+        # else:
+        #     logging.info("No jobs to run…")