init

resource/render/display.py

@@ -0,0 +1,62 @@
+from ..types import Optional, Sequence, Union
+
+
+class HTML:
+    def __init__(self, data: Optional[str] = None):
+        self.data = data
+
+    def _repr_html_(self):
+        return self.data
+
+    def __html__(self):
+        return self._repr_html_()
+
+
+_lib_t1 = """new Promise(function(resolve, reject) {
+    var script = document.createElement("script");
+    script.onload = resolve;
+    script.onerror = reject;
+    script.src = "%s";
+    document.head.appendChild(script);
+}).then(() => {
+"""
+
+_lib_t2 = """
+});"""
+
+_css_t = """var link = document.createElement("link");
+    link.ref = "stylesheet";
+    link.type = "text/css";
+    link.href = "%s";
+    document.head.appendChild(link);
+"""
+
+
+class Javascript:
+    def __init__(
+            self,
+            data: Optional[str] = None,
+            lib: Optional[Union[str, Sequence]] = None,
+            css: Optional[Union[str, Sequence]] = None,
+    ):
+        if isinstance(lib, str):
+            lib = [lib]
+        elif lib is None:
+            lib = []
+        if isinstance(css, str):
+            css = [css]
+        elif css is None:
+            css = []
+        self.lib = lib
+        self.css = css
+        self.data = data or ""
+
+    def _repr_javascript_(self):
+        r = ""
+        for c in self.css:
+            r += _css_t % c
+        for d in self.lib:
+            r += _lib_t1 % d
+        r += self.data
+        r += _lib_t2 * len(self.lib)
+        return r