feat: placeholder project

note: the metadata is very flimsy to read. considering using a different strategy

Author: faretek1

scratchattach/editor/asset.py

@@ -197,8 +197,8 @@ def from_json(data):
 
         bitmap_resolution = data.get("bitmapResolution")
 
-        rotation_center_x = data["rotationCenterX"]
-        rotation_center_y = data["rotationCenterY"]
+        rotation_center_x = data.get("rotationCenterX", 0)
+        rotation_center_y = data.get("rotationCenterY", 0)
         return Costume(_asset_load.name, _asset_load.file_name,
 
                        bitmap_resolution, rotation_center_x, rotation_center_y)

scratchattach/editor/sprite.py

@@ -283,18 +283,18 @@ def read_idcomponent(attr_name: str, cls: type[base.IDComponent]):
         _tempo, _video_state, _video_transparency, _text_to_speech_language = (None,) * 4
         _visible, _x, _y, _size, _direction, _draggable, _rotation_style = (None,) * 7
         if _is_stage:
-            _tempo = data["tempo"]
-            _video_state = data["videoState"]
-            _video_transparency = data["videoTransparency"]
-            _text_to_speech_language = data["textToSpeechLanguage"]
+            _tempo = data.get("tempo", 0)
+            _video_state = data.get("videoState", "off")
+            _video_transparency = data.get("videoTransparency", 0)
+            _text_to_speech_language = data.get("textToSpeechLanguage", "en")
         else:
             _visible = data["visible"]
-            _x = data["x"]
-            _y = data["y"]
-            _size = data["size"]
-            _direction = data["direction"]
-            _draggable = data["draggable"]
-            _rotation_style = data["rotationStyle"]
+            _x = data.get("x", 0)
+            _y = data.get("y", 0)
+            _size = data.get("size", 100)
+            _direction = data.get("direction", 90)
+            _draggable = data.get("draggable", False)
+            _rotation_style = data.get("rotationStyle", "all-around")
 
         return Sprite(_is_stage, _name, _current_costume, _layer_order, _volume, _broadcasts, _variables, _lists,
                       _costumes,

scratchattach/site/placeholder.py

@@ -0,0 +1,81 @@
+# Classes and methods for interacting with turbowarp placeholder (https://share.turbowarp.org/)
+import re
+import json
+import bs4
+
+from dataclasses import dataclass
+from typing_extensions import Optional
+from bs4 import BeautifulSoup
+
+from scratchattach.site import session
+from scratchattach.utils.requests import requests
+from scratchattach import editor
+
+@dataclass
+class PlaceholderProject:
+    id: str
+
+    title: Optional[str] = None
+    description: Optional[str] = None
+    md5exts_to_sha256: Optional[dict[str, str]] = None
+
+    _session: Optional[session.Session] = None
+
+    def get_json(self):
+        with requests.no_error_handling():
+            return requests.get(f"https://share.turbowarp.org/api/projects/{self.id}").json()
+
+    def update_by_html(self):
+        """
+        Scrape JS to update the project. Hopefully this will not be necessary in the future, as it is very error-prone.
+        """
+
+        with requests.no_error_handling():
+            resp = requests.get(f"https://share.turbowarp.org/projects/{self.id}")
+            soup = BeautifulSoup(resp.text, "html.parser")
+
+            for script in soup.find_all("script"):
+                if not isinstance(script, bs4.element.Tag):
+                    continue
+
+                if raw_data := re.search("const data = \\[.*\"data\":{metadata:{.*},md5extsToSha256:.*];", str(script.contents[0])):
+                    data = raw_data.group().removeprefix("const data = ").removesuffix(";")
+                    # this data is NOT json. Therefore, we can't just JSON.parse it.
+                    # it's actually native JavaScript, but we can extract the information in a really flimsy way using regex
+                    # This flimsy method would probably break with bad input, so maybe, instead, a request should be made to GarboMuffin.
+                    # If you want full JS support, use an automated browser.
+                    print(data)
+
+                    # get title
+                    pf, sf = 'metadata:{title:"', '",description'
+                    if group := re.search(pf+'.*?'+sf, data).group():
+                        self.title = json.loads('"' + group.removeprefix(pf).removesuffix(sf) + '"')
+
+                    # Get description. It is probably very easy to break this regex
+                    pf, sf = 'description:"', '"},'
+                    if group := re.search(pf+'.*?'+sf, data).group():
+                        self.description = json.loads('"' + group.removeprefix(pf).removesuffix(sf) + '"')
+
+                    pf, sf = 'md5extsToSha256:{', '},'
+                    if group := re.search(pf+'.*?'+sf, data).group():
+                        self.md5exts_to_sha256 = json.loads('{' + group.removeprefix(pf).removesuffix(sf) + '}')
+
+                    break
+
+    def get_project_body(self):
+        data = self.get_json()
+        body = editor.Project.from_json(data)
+
+        for asset in body.assets:
+            print(asset.md5ext)
+
+        return body
+
+
+def get_placeholder_project(_id: str):
+    return PlaceholderProject(_id)
+
+if __name__ == '__main__':
+    p = get_placeholder_project("44c35afc-fe00-49d8-afe7-d71f4430c121")
+    p.update_by_html()
+    print(p)