move nbdev detection to fastcore

fastcore/_modidx.py

@@ -392,6 +392,8 @@
                                'fastcore.meta.use_kwargs': ('meta.html#use_kwargs', 'fastcore/meta.py'),
                                'fastcore.meta.use_kwargs_dict': ('meta.html#use_kwargs_dict', 'fastcore/meta.py')},
             'fastcore.nb_imports': {},
+            'fastcore.nbdev': { 'fastcore.nbdev.is_nbdev': ('nbdev.html#is_nbdev', 'fastcore/nbdev.py'),
+                                'fastcore.nbdev.nbdev_config_file': ('nbdev.html#nbdev_config_file', 'fastcore/nbdev.py')},
             'fastcore.net': { 'fastcore.net.HTTP4xxClientError': ('net.html#http4xxclienterror', 'fastcore/net.py'),
                               'fastcore.net.HTTP5xxServerError': ('net.html#http5xxservererror', 'fastcore/net.py'),
                               'fastcore.net.Request.summary': ('net.html#request.summary', 'fastcore/net.py'),

fastcore/nbdev.py

@@ -0,0 +1,24 @@
+"""Utilities for the nbdev library."""
+
+# AUTOGENERATED! DO NOT EDIT! File to edit: ../nbs/13_nbdev.ipynb.
+
+# %% auto 0
+__all__ = ['nbdev_config_file', 'is_nbdev']
+
+# %% ../nbs/13_nbdev.ipynb
+from .basics import Path
+
+# %% ../nbs/13_nbdev.ipynb
+_nbdev_cfg_name = 'settings.ini'
+
+def nbdev_config_file(cfg_name=_nbdev_cfg_name, path=None):
+    "Get the nbdev config file path"
+    cfg_path = path = Path.cwd() if path is None else Path(path)
+    while cfg_path != cfg_path.parent and not (cfg_path/cfg_name).exists(): cfg_path = cfg_path.parent
+    if not (cfg_path/cfg_name).exists(): cfg_path = path
+    return cfg_path/cfg_name
+
+# %% ../nbs/13_nbdev.ipynb
+def is_nbdev(): 
+    "Checks if the current directory is in a nbdev project."
+    return nbdev_config_file().exists()

nbs/13_nbdev.ipynb

@@ -0,0 +1,124 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "7bea0d2f",
+   "metadata": {},
+   "source": [
+    "# nbdev utilities\n",
+    "> Utilities for the nbdev library."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "07a035a5",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#|default_exp nbdev"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "75e11db6",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#|export\n",
+    "from fastcore.basics import Path"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "558b4d4c",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#|hide\n",
+    "from nbdev.export import *\n",
+    "from fastcore.test import *"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "da2ac196",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#|export\n",
+    "_nbdev_cfg_name = 'settings.ini'\n",
+    "\n",
+    "def nbdev_config_file(cfg_name=_nbdev_cfg_name, path=None):\n",
+    "    \"Get the nbdev config file path\"\n",
+    "    cfg_path = path = Path.cwd() if path is None else Path(path)\n",
+    "    while cfg_path != cfg_path.parent and not (cfg_path/cfg_name).exists(): cfg_path = cfg_path.parent\n",
+    "    if not (cfg_path/cfg_name).exists(): cfg_path = path\n",
+    "    return cfg_path/cfg_name"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "1c44a414",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#|export\n",
+    "def is_nbdev(): \n",
+    "    \"Checks if the current directory is in a nbdev project.\"\n",
+    "    return nbdev_config_file().exists()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "604a2243",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#|hide\n",
+    "test_eq(is_nbdev(), True)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "df973d4e",
+   "metadata": {},
+   "source": [
+    "# Export -"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "914d16ca",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#|hide\n",
+    "import nbdev; nbdev.nbdev_export()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "20a20020",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "python3",
+   "language": "python",
+   "name": "python3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}