fixes #762

Author: jph00

fastcore/_modidx.py

@@ -431,6 +431,8 @@
                                      'fastcore.foundation.curryable': ('foundation.html#curryable', 'fastcore/foundation.py'),
                                      'fastcore.foundation.cycle': ('foundation.html#cycle', 'fastcore/foundation.py'),
                                      'fastcore.foundation.docs': ('foundation.html#docs', 'fastcore/foundation.py'),
+                                     'fastcore.foundation.find_file_parents': ( 'foundation.html#find_file_parents',
+                                                                                'fastcore/foundation.py'),
                                      'fastcore.foundation.flatmap': ('foundation.html#flatmap', 'fastcore/foundation.py'),
                                      'fastcore.foundation.is_bool': ('foundation.html#is_bool', 'fastcore/foundation.py'),
                                      'fastcore.foundation.is_indexer': ('foundation.html#is_indexer', 'fastcore/foundation.py'),

fastcore/foundation.py

@@ -5,7 +5,7 @@
 # %% auto #0
 __all__ = ['working_directory', 'add_docs', 'docs', 'coll_repr', 'is_bool', 'mask2idxs', 'cycle', 'zip_cycle', 'is_indexer',
            'product', 'flatmap', 'CollBase', 'L', 'curryable', 'splitter', 'linesplitter', 'save_config_file',
-           'read_config_file', 'Config']
+           'read_config_file', 'find_file_parents', 'Config']
 
 # %% ../nbs/02_foundation.ipynb #0f974791
 from .imports import *
@@ -624,6 +624,12 @@ def read_config_file(file, **kwargs):
     config.read(file, encoding='utf8')
     return config['DEFAULT']
 
+# %% ../nbs/02_foundation.ipynb #95834369
+def find_file_parents(fname, frompath=None):
+    "Search `cfg_path` and its parents to find `cfg_name`"
+    p = Path(frompath or Path.cwd()).expanduser().absolute()
+    return first(o for o in [p, *p.parents] if (o/fname).exists())
+
 # %% ../nbs/02_foundation.ipynb #e06640e8
 class Config:
     "Reading and writing `ConfigParser` ini files"
@@ -663,6 +669,5 @@ def path(self,k,default=None):
     @classmethod
     def find(cls, cfg_name, cfg_path=None, **kwargs):
         "Search `cfg_path` and its parents to find `cfg_name`"
-        p = Path(cfg_path or Path.cwd()).expanduser().absolute()
-        return first(cls(o, cfg_name, **kwargs)
-                      for o in [p, *p.parents] if (o/cfg_name).exists())
+        p = find_file_parents(cfg_name, cfg_path)
+        return cls(p, cfg_name, **kwargs)

nbs/02_foundation.ipynb

@@ -4064,6 +4064,44 @@
     "dict(res)"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "95834369",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#| export\n",
+    "def find_file_parents(fname, frompath=None):\n",
+    "    \"Search `cfg_path` and its parents to find `cfg_name`\"\n",
+    "    p = Path(frompath or Path.cwd()).expanduser().absolute()\n",
+    "    return first(o for o in [p, *p.parents] if (o/fname).exists())"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "52f6aed5",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "Path('/Users/jhoward/aai-ws/fastcore')"
+      ]
+     },
+     "execution_count": null,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "save_config_file('../tmp.ini', _d)\n",
+    "try: found = find_file_parents('tmp.ini')\n",
+    "finally: os.unlink('../tmp.ini')\n",
+    "found"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -4110,9 +4148,8 @@
     "    @classmethod\n",
     "    def find(cls, cfg_name, cfg_path=None, **kwargs):\n",
     "        \"Search `cfg_path` and its parents to find `cfg_name`\"\n",
-    "        p = Path(cfg_path or Path.cwd()).expanduser().absolute()\n",
-    "        return first(cls(o, cfg_name, **kwargs)\n",
-    "                      for o in [p, *p.parents] if (o/cfg_name).exists())"
+    "        p = find_file_parents(cfg_name, cfg_path)\n",
+    "        return cls(p, cfg_name, **kwargs)"
    ]
   },
   {
@@ -4262,7 +4299,7 @@
       "text/markdown": [
        "---\n",
        "\n",
-       "[source](https://github.com/AnswerDotAI/fastcore/blob/main/fastcore/foundation.py#L650){target=\"_blank\" style=\"float:right; font-size:smaller\"}\n",
+       "[source](https://github.com/AnswerDotAI/fastcore/blob/main/fastcore/foundation.py#L656){target=\"_blank\" style=\"float:right; font-size:smaller\"}\n",
        "\n",
        "### Config.get\n",
        "\n",
@@ -4371,7 +4408,7 @@
       "text/markdown": [
        "---\n",
        "\n",
-       "[source](https://github.com/AnswerDotAI/fastcore/blob/main/fastcore/foundation.py#L664){target=\"_blank\" style=\"float:right; font-size:smaller\"}\n",
+       "[source](https://github.com/AnswerDotAI/fastcore/blob/main/fastcore/foundation.py#L670){target=\"_blank\" style=\"float:right; font-size:smaller\"}\n",
        "\n",
        "### Config.find\n",
        "\n",
@@ -4436,10 +4473,7 @@
    ]
   }
  ],
- "metadata": {
-  "solveit_dialog_mode": "learning",
-  "solveit_ver": 2
- },
+ "metadata": {},
  "nbformat": 4,
  "nbformat_minor": 5
 }