Update init and install in comfyui (#51)

Update init and install in comfyui

__init__.py

@@ -0,0 +1,3 @@
+from .easyanimate.comfyui.comfyui_nodes import NODE_CLASS_MAPPINGS, NODE_DISPLAY_NAME_MAPPINGS
+
+__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS"]

install.py

@@ -0,0 +1,45 @@
+import sys
+import subprocess
+import locale
+import threading
+import os
+
+def handle_stream(stream, prefix):
+    stream.reconfigure(encoding=locale.getpreferredencoding(), errors='replace')
+    for msg in stream:
+        if prefix == '[!]' and ('it/s]' in msg or 's/it]' in msg) and ('%|' in msg or 'it [' in msg):
+            if msg.startswith('100%'):
+                print('\r' + msg, end="", file=sys.stderr),
+            else:
+                print('\r' + msg[:-1], end="", file=sys.stderr),
+        else:
+            if prefix == '[!]':
+                print(prefix, msg, end="", file=sys.stderr)
+            else:
+                print(prefix, msg, end="")
+
+def process_wrap(cmd_str, cwd_path, handler=None):
+    process = subprocess.Popen(cmd_str, cwd=cwd_path, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, bufsize=1)
+
+    if handler is None:
+        handler = handle_stream
+
+    stdout_thread = threading.Thread(target=handler, args=(process.stdout, ""))
+    stderr_thread = threading.Thread(target=handler, args=(process.stderr, "[!]"))
+
+    stdout_thread.start()
+    stderr_thread.start()
+
+    stdout_thread.join()
+    stderr_thread.join()
+
+    return process.wait()
+
+assert process_wrap([sys.executable, "-m", "pip", "install", "-r", "requirements.txt"], cwd_path=os.path.dirname(os.path.realpath(__file__))) == 0, "ERROR: Failed to install requirements.txt. Please install them manually, and restart ComfyUI."
+
+nodep_packages = [
+    "kornia>=0.6.9",
+    "xformers>=0.0.20",
+]
+
+assert process_wrap([sys.executable, "-m", "pip", "install", "--no-deps", *nodep_packages], cwd_path=os.path.dirname(os.path.realpath(__file__))) == 0, "ERROR: Failed to install last set of packages. Please install them manually, and restart ComfyUI."