Add hello world example

pyodide · Dec 27, 2021 · 545a919 · 545a919
commit 545a919
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Showing 5 changed files with 86 additions and 0 deletions.
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1 @@
+*.zip
diff --git a/hello-world/hello_world/__init__.py b/hello-world/hello_world/__init__.py
@@ -0,0 +1,4 @@
+print("Initializing hello world module")
+from .some_funcs import say_hello, repeat_string
+
+__all__ = ["say_hello", "repeat_string"]
diff --git a/hello-world/hello_world/some_funcs.py b/hello-world/hello_world/some_funcs.py
@@ -0,0 +1,5 @@
+def say_hello(x):
+    print("hello", x)
+
+def repeat_string(x, n):
+    return x * n
diff --git a/hello-world/index.html b/hello-world/index.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+  <head>
+      <script src="https://cdn.jsdelivr.net/pyodide/dev/full/pyodide.js"></script>
+  </head>
+  <body>
+    Pyodide test page <br>
+    Open your browser console to see Pyodide output
+    <script type="text/javascript">
+      async function main(){
+        const pkgResponse = fetch("hello_world.zip").then(x => x.arrayBuffer());
+        window.pyodide = await loadPyodide({
+          indexURL : "https://cdn.jsdelivr.net/pyodide/dev/full/"
+        });
+        const pkgdata = await pkgResponse;
+        pyodide.unpackArchive(pkgdata, "zip");
+        window.pkg = pyodide.pyimport("hello_world");
+      }
+      main();
+    </script>
+  </body>
+</html>
diff --git a/server.py b/server.py
@@ -0,0 +1,54 @@
+import argparse
+from contextlib import contextmanager
+import http.server
+from pathlib import Path
+import shutil
+import socketserver
+
+
+class Handler(http.server.SimpleHTTPRequestHandler):
+    def end_headers(self):
+        self.send_header("Access-Control-Allow-Origin", "*")
+        super().end_headers()
+
+    def send_head(self):
+        if self.path.endswith(".zip"):
+            path = Path(self.path)
+            if str(path).startswith("/"):
+                path = Path("." + str(path)).resolve()
+
+            shutil.make_archive(path.with_suffix(""), "zip", root_dir=path.parent)
+
+        return super().send_head()
+
+
+
+def make_parser(parser):
+    parser.description = "Start a server"
+    parser.add_argument(
+        "--port", action="store", type=int, default=8000, help="choose the port"
+    )
+    return parser
+
+
+@contextmanager
+def server(port):
+    httpd = socketserver.TCPServer(("", port), Handler)
+    try:
+        yield httpd
+    finally:
+        httpd.shutdown()
+
+
+def main(args):
+    build_dir = args.build_dir
+    port = args.port
+    with server(port) as httpd:
+        print(f"serving from {build_dir} at http://localhost:{port}")
+        httpd.serve_forever()
+
+
+if __name__ == "__main__":
+    parser = make_parser(argparse.ArgumentParser())
+    args = parser.parse_args()
+    main(args)