Initital commit

.gitignore

@@ -0,0 +1,160 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/

app.py

@@ -0,0 +1,207 @@
+import tkinter as t
+from PIL import ImageTk, Image
+from desktopmagic.screengrab_win32 import getDisplayRects, saveScreenToBmp, saveRectToBmp, getScreenAsImage, getRectAsImage, getDisplaysAsImages
+import time
+
+RESIZE_FACTOR = 0.8
+DIFFERENCE_THRESHOLD = 1 # in %
+
+class Application:
+
+    def __init__(self):
+        self.main = t.Tk()
+
+        self.vcmp_float = (self.main.register(validate_float))
+        self.vcmp_int   = (self.main.register(validate_int))
+        self.selected_screen = t.IntVar()
+        self.selected_screen.set(1)
+        self.selected_rect = [(0,0), (0,0)]
+        self.started_selection = False
+        self.selection_obj = None
+        self.previous = None
+        self.current = None
+        self.interval = 2
+        self.threshold = DIFFERENCE_THRESHOLD
+        self.current_preview = None
+        self.current_diff = None
+        self.img_counter = 0
+        self.screen_selection()
+
+        self.main.mainloop()
+
+    def screen_selection(self):
+        self.clear()
+
+        for display_num, image in enumerate(getDisplaysAsImages(), 1):
+            frame = t.Frame(self.main)
+            label = t.Radiobutton(frame, text=f"Bildschirm {display_num}", variable=self.selected_screen, value=display_num)
+            label.pack(side=t.TOP)
+            image = image.resize((320, 180), Image.ANTIALIAS)
+            preview = ImageTk.PhotoImage(image)
+            panel = t.Label(frame, image=preview)
+            panel.image = preview
+            panel.pack(side=t.TOP)
+            #panel.bind("<Button-1>", lambda e:self.selected_screen.set(display_num))
+            frame.pack(side=t.LEFT, padx=20, pady=20)
+
+        config_frame = t.Frame(self.main)
+
+        interval_label = t.Label(config_frame, text="Intervall (in Sekunden):")
+        interval_label.pack(side=t.TOP, pady=(10,0))
+        self.interval_entry = t.Entry(config_frame, validate="key", validatecommand=(self.vcmp_int, "%P"))
+        self.interval_entry.insert(0, str(self.interval))
+        self.interval_entry.pack(side=t.TOP, pady=(0, 30))
+
+        threshold_label = t.Label(config_frame, text="Schwelle (in Prozent):")
+        threshold_label.pack(side=t.TOP, pady=(10,0))
+        self.threshold_entry = t.Entry(config_frame, validate="key", validatecommand=(self.vcmp_float, "%P"))
+        self.threshold_entry.insert(0, str(self.threshold))
+        self.threshold_entry.pack(side=t.TOP, pady=(0,30))
+
+        ok_button = t.Button(config_frame, text="Bereich auswählen", command=self.rect_selection)
+        ok_button.pack(side=t.TOP, pady=30)
+
+        config_frame.pack(side=t.LEFT, padx=20)
+
+
+
+    def rect_selection(self):
+        self.interval = int(self.interval_entry.get())
+        self.threshold = float(self.threshold_entry.get())
+        self.clear()
+
+        screen_no = t.Label(self.main, text=f"Nutze Bildschirm {self.selected_screen.get()}")
+        screen_no.pack(side=t.TOP)
+        change_screen = t.Button(self.main, text="Bildschirm wechseln",
+                                 command=self.screen_selection)
+        change_screen.pack()
+
+        instruction = t.Label(self.main, text="Wähle einen Bereich auf dem Bildschirm aus:")
+        instruction.pack(side=t.TOP)
+
+        screenshot = getDisplaysAsImages()[self.selected_screen.get() - 1]
+        dim = tuple([int(v * RESIZE_FACTOR) for v in screenshot.size])
+        screenshot = screenshot.resize(dim, Image.ANTIALIAS)
+        screenshot = ImageTk.PhotoImage(screenshot)
+        self._screenshot = screenshot
+        screen = t.Canvas(self.main, width=dim[0], height=dim[1])
+        screen.create_image(0, 0, image=screenshot, anchor=t.NW)
+        screen.pack(side=t.TOP)
+
+        ok_button = t.Button(self.main, text="Los gehts!", command=self.capture_screen)
+        ok_button.pack(side=t.TOP)
+
+        screen.bind("<Button-1>", lambda e: self.start_selection(e, screen))
+        screen.bind("<ButtonRelease-1>", lambda e: self.end_selection(e, screen))
+        screen.bind("<Motion>", lambda e: self.selection_motion(e, screen))
+
+    def capture_screen(self):
+        self.clear()
+
+        self.next_screenshot = self.interval
+        self.timer_label = t.Label(self.main, text="Starte Aufnahme...")
+        self.timer_label.pack(side=t.TOP)
+
+        self.current_preview = t.Label(self.main)
+        self.current_preview.pack(side=t.TOP)
+
+        self.current_diff = t.Label(self.main, text="Bisher wurde noch kein Bild aufgenommen.")
+        self.current_diff.pack(side=t.TOP)
+
+        extra_capture = t.Button(self.main, text="Trotzdem speichern", command=self.save_current)
+        extra_capture.pack(side=t.TOP)
+
+        self.capture()
+
+    def start_selection(self, e, screen):
+        self.started_selection = True
+        self.selected_rect[0] = (e.x / RESIZE_FACTOR, e.y / RESIZE_FACTOR)
+
+    def end_selection(self, e, screen):
+        self.started_selection = False
+        self.selected_rect[1] = (e.x / RESIZE_FACTOR, e.y / RESIZE_FACTOR)
+
+    def selection_motion(self, e, screen):
+        if not self.started_selection:
+            return
+
+        x1 = self.selected_rect[0][0] * RESIZE_FACTOR
+        y1 = self.selected_rect[0][1] * RESIZE_FACTOR
+        if self.selection_obj == None:
+            self.selection_obj = screen.create_rectangle(x1, y1, e.x, e.y, fill="", outline="blue", width=2)
+        else:
+            screen.coords(self.selection_obj, x1, y1, e.x, e.y)
+
+    def capture(self):
+        screen = getDisplaysAsImages()[self.selected_screen.get() - 1]
+        nw, se = self.selected_rect
+        screen = screen.crop([nw[0], nw[1], se[0], se[1]])
+        diff = self.compare(screen)
+        if self.current_preview != None:
+            self.current = screen
+            img = ImageTk.PhotoImage(screen)
+            self.current_preview.configure(image=img)
+            self.current_preview.image = img
+        if self.current_diff != None:
+            self.current_diff.configure(text=f"Unterschied zu vorherigem Bild: {round(diff, 2)}% - Schwelle {self.threshold}%")
+        if diff > self.threshold:
+            screen.save(f"{self.img_counter}.png")
+            self.img_counter += 1
+            self.previous = screen
+        self.timer()
+        self.main.after(self.interval*1000, self.capture)
+
+    def timer(self):
+        label = self.timer_label
+        if self.next_screenshot != 0:
+            label.configure(text=f"Aufnahme läuft. In {self.next_screenshot} Sekunden wird ein neues Bild aufgenommen.")
+            self.next_screenshot -= 1
+            label.after(1000, self.timer)
+        else:
+            label.configure(text="Aufnahme läuft. Bild wird aufgenommen...")
+            self.next_screenshot = self.interval
+
+    def compare(self, current):
+        if self.previous == None:
+            return 100
+        if self.previous.size != current.size:
+            return 100
+
+        pairs = zip(self.previous.getdata(), current.getdata())
+        dif = sum(abs(c1 - c2) for p1, p2 in pairs for c1, c2 in zip(p1, p2))
+        
+        ncomponents = current.size[0] * current.size[1] * 3
+        dif_percent = (dif / 255.0 * 100) / ncomponents
+        
+        return dif_percent
+
+    def save_current(self):
+        if self.current != None:
+            self.current.save(f"{self.img_counter}.png")
+            self.img_counter += 1
+
+    def clear(self, frame=None):
+        frame = self.main if frame == None else frame
+        for widget in frame.winfo_children():
+            widget.destroy()
+
+
+def validate_float(P):
+    if P:
+        try:
+            float(P)
+            return True
+        except ValueError:
+            return False
+
+def validate_int(P):
+    if P:
+        try:
+            int(P)
+            return True
+        except ValueError:
+            return False
+
+
+if __name__ == "__main__":
+    app = Application()

main.py

@@ -0,0 +1,7 @@
+from app import Application
+
+
+from app import Application
+
+if __name__ == "__main__":
+    app = Application()