release

Author: jph00

CHANGELOG.md

@@ -0,0 +1,8 @@
+# Release notes
+
+<!-- do not remove -->
+
+## 0.0.1
+
+- Initial release
+

nbs/00_core.ipynb

@@ -396,7 +396,7 @@
     {
      "data": {
       "text/plain": [
-       "<Database <sqlite3.Connection object at 0x12b38f790>>"
+       "<Database <sqlite3.Connection object at 0x1373ab5b0>>"
       ]
      },
      "execution_count": 18,
@@ -474,28 +474,22 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {
-    "heading_collapsed": true
-   },
+   "metadata": {},
    "source": [
     "## Database diagrams"
    ]
   },
   {
    "cell_type": "markdown",
-   "metadata": {
-    "hidden": true
-   },
+   "metadata": {},
    "source": [
     "(Requires graphviz.)"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": 22,
-   "metadata": {
-    "hidden": true
-   },
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -516,67 +510,58 @@
   {
    "cell_type": "code",
    "execution_count": 23,
-   "metadata": {
-    "hidden": true
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "#| exports\n",
     "def _edge(tbl):\n",
     "    return \"\\n\".join(f\"{fk.table}:{fk.column} -> {fk.other_table}:{fk.other_column};\"\n",
     "                     for fk in tbl.foreign_keys)\n",
     "\n",
-    "def _edges(tbls): return \"\\n\".join(map(_edge, tbls))\n",
-    "\n",
     "def _row(col):\n",
     "    xtra = \" 🔑\" if col.is_pk else \"\"\n",
     "    bg = ' bgcolor=\"#ffebcd\"' if col.is_pk else \"\"\n",
     "    return f'    <tr><td port=\"{col.name}\"{bg}>{col.name}{xtra}</td></tr>'\n",
     "\n",
     "def _tnode(tbl):\n",
     "    rows = \"\\n\".join(_row(o) for o in tbl.columns)\n",
-    "    bg = ' bgcolor=\"lightgray\"'\n",
     "    res = f\"\"\"<table cellborder=\"1\" cellspacing=\"0\">\n",
-    "    <tr><td{bg}>{tbl.name}</td></tr>\n",
+    "    <tr><td bgcolor=\"lightgray\">{tbl.name}</td></tr>\n",
     "{rows}\n",
     "  </table>\"\"\"\n",
-    "    return f\"{tbl.name} [label=<{res}>];\\n\"\n",
-    "\n",
-    "def _tnodes(tbls): return \"\\n\\n\".join(_tnode(o) for o in tbls)"
+    "    return f\"{tbl.name} [label=<{res}>];\\n\""
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
-   "metadata": {
-    "hidden": true
-   },
+   "execution_count": 26,
+   "metadata": {},
    "outputs": [],
    "source": [
     "#| exports\n",
     "def diagram(tbls, ratio=0.7, size=\"10\", neato=False, render=True):\n",
     "    layout = \"\\nlayout=neato;\\noverlap=prism;\\noverlap_scaling=0.5;\"\"\" if neato else \"\"\n",
-    "\n",
+    "    edges  = \"\\n\".join(map(_edge,  tbls))\n",
+    "    tnodes = \"\\n\".join(map(_tnode, tbls))\n",
+    "    \n",
     "    res = f\"\"\"digraph G {{\n",
     "rankdir=LR;{layout}\n",
     "size=\"{size}\";\n",
     "ratio={ratio};\n",
     "node [shape=plaintext]\n",
     "\n",
-    "{_tnodes(tbls)}\n",
+    "{tnodes}\n",
     "\n",
-    "{_edges(tbls)}\n",
+    "{edges}\n",
     "}}\n",
     "\"\"\"\n",
     "    return Source(res) if render else res"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
-   "metadata": {
-    "hidden": true
-   },
+   "execution_count": 27,
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -890,10 +875,10 @@
        "</svg>\n"
       ],
       "text/plain": [
-       "<graphviz.sources.Source at 0x12b4c64d0>"
+       "<graphviz.sources.Source at 0x137485950>"
       ]
      },
-     "execution_count": 25,
+     "execution_count": 27,
      "metadata": {},
      "output_type": "execute_result"
     }