From f5bac5e226d4f953d8480cc587df683ed1e9f9cd Mon Sep 17 00:00:00 2001
From: Jace Browning <jacebrowning@gmail.com>
Date: Thu, 1 Jul 2021 21:19:48 -0400
Subject: [PATCH] Fix default format when no extension

---
 CHANGELOG.md                       |  4 ++++
 datafiles/formats.py               |  2 +-
 datafiles/tests/test_formats.py    |  5 ++++
 notebooks/file_inference.ipynb     | 22 ++++++++---------
 notebooks/format_options.ipynb     | 24 +++++++++----------
 notebooks/generic_types.ipynb      | 14 +++++------
 notebooks/manager_api.ipynb        | 26 ++++++++++----------
 notebooks/mapper_api.ipynb         | 38 +++++++++++++++---------------
 notebooks/nested_dataclass.ipynb   | 22 ++++++++---------
 notebooks/patched_containers.ipynb | 34 +++++++++++++-------------
 notebooks/readme.ipynb             | 26 ++++++++++----------
 notebooks/roundtrip_comments.ipynb | 26 ++++++++++----------
 poetry.lock                        | 24 +++++++++++++++----
 pyproject.toml                     |  4 ++--
 14 files changed, 148 insertions(+), 123 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 98ca51e5..23fe8841 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.15.1 (2021-07-01)
+
+- Fixed handling of no file extension to use YAML by default.
+
 # 0.15 (2021-05-26)
 
 - Removed `auto_load`/`auto_save` model options.
diff --git a/datafiles/formats.py b/datafiles/formats.py
index 6d063359..2a1e356e 100644
--- a/datafiles/formats.py
+++ b/datafiles/formats.py
@@ -80,7 +80,7 @@ class YAML(Formatter):
 
     @classmethod
     def extensions(cls):
-        return {'.yml', '.yaml'}
+        return {'', '.yml', '.yaml'}
 
     @classmethod
     def deserialize(cls, file_object):
diff --git a/datafiles/tests/test_formats.py b/datafiles/tests/test_formats.py
index d98710f4..8c7fb8ff 100644
--- a/datafiles/tests/test_formats.py
+++ b/datafiles/tests/test_formats.py
@@ -12,6 +12,11 @@ def describe_serialize():
     def data():
         return {'key': "value", 'items': [1, 'a', None]}
 
+    def describe_default():
+        def it_uses_yaml_when_no_extension(expect, data):
+            text = formats.serialize(data, '')
+            expect(text).contains("key: value")
+
     def describe_yaml():
         def it_indents_blocks_by_default(expect, data):
             text = formats.serialize(data, '.yaml')
diff --git a/notebooks/file_inference.ipynb b/notebooks/file_inference.ipynb
index df5ae9ac..32be1798 100644
--- a/notebooks/file_inference.ipynb
+++ b/notebooks/file_inference.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "id": "0d70930e",
+   "id": "ca89e9e9",
    "metadata": {
     "tags": []
    },
@@ -13,7 +13,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "2b7fef04",
+   "id": "8f98d0f7",
    "metadata": {
     "tags": []
    },
@@ -22,7 +22,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Writing files/sample.yml\n"
+      "Overwriting files/sample.yml\n"
      ]
     }
    ],
@@ -40,7 +40,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "332c0881",
+   "id": "40f9ddf4",
    "metadata": {
     "tags": []
    },
@@ -67,7 +67,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "ba89cb72",
+   "id": "87188346",
    "metadata": {
     "tags": []
    },
@@ -79,7 +79,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "ced33fbc",
+   "id": "c4a08c5b",
    "metadata": {
     "tags": []
    },
@@ -106,7 +106,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "95b19dee",
+   "id": "6d775612",
    "metadata": {
     "tags": []
    },
@@ -117,7 +117,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "a46341e8",
+   "id": "2cb4efe6",
    "metadata": {
     "tags": []
    },
@@ -175,7 +175,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "47641380",
+   "id": "24038452",
    "metadata": {
     "tags": []
    },
@@ -189,7 +189,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "84874d7e",
+   "id": "83cb5ee3",
    "metadata": {
     "tags": []
    },
@@ -201,7 +201,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "47520aec",
+   "id": "be55c2aa",
    "metadata": {
     "tags": []
    },
diff --git a/notebooks/format_options.ipynb b/notebooks/format_options.ipynb
index d0e0baae..49a31089 100644
--- a/notebooks/format_options.ipynb
+++ b/notebooks/format_options.ipynb
@@ -3,7 +3,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "f1d2edfd",
+   "id": "214cd15c",
    "metadata": {
     "tags": []
    },
@@ -17,7 +17,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "deea7e95",
+   "id": "c266bfbc",
    "metadata": {
     "tags": []
    },
@@ -42,7 +42,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b0ef234f",
+   "id": "087383ee",
    "metadata": {
     "tags": []
    },
@@ -53,7 +53,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "d5b7cc47",
+   "id": "1145ddf5",
    "metadata": {
     "tags": []
    },
@@ -71,7 +71,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "d147486e",
+   "id": "ea87464a",
    "metadata": {
     "tags": []
    },
@@ -108,7 +108,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "1c9483c2",
+   "id": "d0f4ad4b",
    "metadata": {
     "tags": []
    },
@@ -119,7 +119,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "ba8ca2f4",
+   "id": "7667a0a4",
    "metadata": {
     "tags": []
    },
@@ -137,7 +137,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "e7a69a4b",
+   "id": "f6a88b70",
    "metadata": {
     "tags": []
    },
@@ -169,7 +169,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "fc1629c3",
+   "id": "26b77b70",
    "metadata": {
     "tags": []
    },
@@ -180,7 +180,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "002dac5d",
+   "id": "9d44e25e",
    "metadata": {
     "tags": []
    },
@@ -198,7 +198,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "d82b5438",
+   "id": "f9217eec",
    "metadata": {
     "tags": []
    },
@@ -228,7 +228,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "17a2dc10",
+   "id": "8038f68b",
    "metadata": {
     "tags": []
    },
diff --git a/notebooks/generic_types.ipynb b/notebooks/generic_types.ipynb
index 7afcd4f1..0eee5271 100644
--- a/notebooks/generic_types.ipynb
+++ b/notebooks/generic_types.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "id": "493ec4e5",
+   "id": "a426c08f",
    "metadata": {
     "tags": []
    },
@@ -13,7 +13,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "979e4589",
+   "id": "0d5fd492",
    "metadata": {
     "tags": []
    },
@@ -27,7 +27,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "f60245e0",
+   "id": "36e8e600",
    "metadata": {
     "tags": []
    },
@@ -73,7 +73,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "8149f440",
+   "id": "ef61ad77",
    "metadata": {
     "tags": []
    },
@@ -84,7 +84,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "35fef0b1",
+   "id": "552421bf",
    "metadata": {
     "tags": []
    },
@@ -92,7 +92,7 @@
     {
      "data": {
       "text/plain": [
-       "Dictish(contents=[<__main__.Pair object at 0x10d6e7790>, <__main__.Pair object at 0x10d6e7610>])"
+       "Dictish(contents=[<__main__.Pair object at 0x118807490>, <__main__.Pair object at 0x1188079d0>])"
       ]
      },
      "execution_count": null,
@@ -107,7 +107,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "796ad97b",
+   "id": "5245f90d",
    "metadata": {
     "tags": []
    },
diff --git a/notebooks/manager_api.ipynb b/notebooks/manager_api.ipynb
index 88b35473..7700a00d 100644
--- a/notebooks/manager_api.ipynb
+++ b/notebooks/manager_api.ipynb
@@ -3,7 +3,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "32fc93de",
+   "id": "5a5bc4a2",
    "metadata": {
     "tags": []
    },
@@ -17,7 +17,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "c80cd282",
+   "id": "4c8e1428",
    "metadata": {
     "tags": []
    },
@@ -35,7 +35,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "8b2facaa",
+   "id": "bae56019",
    "metadata": {
     "tags": []
    },
@@ -57,7 +57,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "89fe4d5b",
+   "id": "480a9b25",
    "metadata": {
     "tags": []
    },
@@ -68,7 +68,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "243793bd",
+   "id": "09cd1ca6",
    "metadata": {
     "tags": []
    },
@@ -91,7 +91,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "7d7a244a",
+   "id": "e31449c2",
    "metadata": {
     "tags": []
    },
@@ -104,7 +104,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "aaff8d18",
+   "id": "dacaa675",
    "metadata": {
     "tags": []
    },
@@ -115,7 +115,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "fb7bea46",
+   "id": "96213468",
    "metadata": {
     "tags": []
    },
@@ -138,7 +138,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "7b420199",
+   "id": "b94a897f",
    "metadata": {
     "tags": []
    },
@@ -160,7 +160,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "7908118a",
+   "id": "eeafa5c0",
    "metadata": {
     "tags": []
    },
@@ -171,7 +171,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "f1936dc1",
+   "id": "fb627db3",
    "metadata": {
     "tags": []
    },
@@ -195,7 +195,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "afa4eba2",
+   "id": "619e5aba",
    "metadata": {
     "tags": []
    },
@@ -206,7 +206,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "73831803",
+   "id": "04c7e152",
    "metadata": {
     "tags": []
    },
diff --git a/notebooks/mapper_api.ipynb b/notebooks/mapper_api.ipynb
index ba3a161a..07b7e5f6 100644
--- a/notebooks/mapper_api.ipynb
+++ b/notebooks/mapper_api.ipynb
@@ -3,7 +3,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "7e422ca4",
+   "id": "ac450c75",
    "metadata": {
     "tags": []
    },
@@ -17,7 +17,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "43c6c3c9",
+   "id": "35386abe",
    "metadata": {
     "tags": []
    },
@@ -35,7 +35,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "18ee2705",
+   "id": "e6a76ab8",
    "metadata": {
     "tags": []
    },
@@ -47,7 +47,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "dc1f6a87",
+   "id": "29aa0277",
    "metadata": {
     "tags": []
    },
@@ -69,7 +69,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "4637b4a9",
+   "id": "5a2e4b1b",
    "metadata": {
     "tags": []
    },
@@ -80,7 +80,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "805c1fb8",
+   "id": "6257c54a",
    "metadata": {
     "tags": []
    },
@@ -102,7 +102,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "399de3c8",
+   "id": "fd176fad",
    "metadata": {
     "tags": []
    },
@@ -113,7 +113,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "9137925c",
+   "id": "a4b7764c",
    "metadata": {
     "tags": []
    },
@@ -135,7 +135,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "78637695",
+   "id": "b1efc212",
    "metadata": {
     "tags": []
    },
@@ -146,7 +146,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "05c0ebcb",
+   "id": "50b3b6ea",
    "metadata": {
     "tags": []
    },
@@ -158,7 +158,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "f2a3fd35",
+   "id": "a4b81826",
    "metadata": {
     "tags": []
    },
@@ -180,7 +180,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "a4f2d6fb",
+   "id": "fb7b9f1a",
    "metadata": {
     "tags": []
    },
@@ -191,7 +191,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "fadc6171",
+   "id": "3e0a4ae5",
    "metadata": {
     "tags": []
    },
@@ -214,7 +214,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "b851423b",
+   "id": "ce289c2a",
    "metadata": {
     "tags": []
    },
@@ -236,7 +236,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "65263f11",
+   "id": "73935c0a",
    "metadata": {
     "tags": []
    },
@@ -258,7 +258,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b84dd7b3",
+   "id": "28ed5535",
    "metadata": {
     "tags": []
    },
@@ -269,7 +269,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "a64ca174",
+   "id": "bcf90435",
    "metadata": {
     "tags": []
    },
@@ -280,7 +280,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "2b830cef",
+   "id": "804b4a9f",
    "metadata": {
     "tags": []
    },
@@ -291,7 +291,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "04d72f6c",
+   "id": "bb004050",
    "metadata": {
     "tags": []
    },
diff --git a/notebooks/nested_dataclass.ipynb b/notebooks/nested_dataclass.ipynb
index 63597436..af2d786b 100644
--- a/notebooks/nested_dataclass.ipynb
+++ b/notebooks/nested_dataclass.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "id": "c4428168",
+   "id": "e0fb5313",
    "metadata": {
     "tags": []
    },
@@ -13,7 +13,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "e222995b",
+   "id": "d7371244",
    "metadata": {
     "tags": []
    },
@@ -27,7 +27,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "fdb81162",
+   "id": "c0ce127f",
    "metadata": {
     "tags": []
    },
@@ -50,7 +50,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c2a7b4dd",
+   "id": "2c653663",
    "metadata": {
     "tags": []
    },
@@ -61,7 +61,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "2a3b4804",
+   "id": "0fe38c55",
    "metadata": {
     "tags": []
    },
@@ -73,7 +73,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "ac7dd2f0",
+   "id": "9e28793b",
    "metadata": {
     "tags": []
    },
@@ -97,7 +97,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d12cf5c9",
+   "id": "da9a4c9a",
    "metadata": {
     "tags": []
    },
@@ -108,7 +108,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "380687b8",
+   "id": "9c6c5d8a",
    "metadata": {
     "tags": []
    },
@@ -119,7 +119,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "2b1007fc",
+   "id": "cc11516b",
    "metadata": {
     "tags": []
    },
@@ -130,7 +130,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "996eb9e6",
+   "id": "20f56d4d",
    "metadata": {
     "tags": []
    },
@@ -155,7 +155,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "0da37534",
+   "id": "23bb59ce",
    "metadata": {
     "tags": []
    },
diff --git a/notebooks/patched_containers.ipynb b/notebooks/patched_containers.ipynb
index 321d7740..9b811800 100644
--- a/notebooks/patched_containers.ipynb
+++ b/notebooks/patched_containers.ipynb
@@ -3,7 +3,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "ef9783e6",
+   "id": "1c65c1e9",
    "metadata": {
     "tags": []
    },
@@ -17,7 +17,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "a36fc4d8",
+   "id": "113f1f04",
    "metadata": {
     "tags": []
    },
@@ -45,7 +45,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c48671c1",
+   "id": "87d6e33c",
    "metadata": {
     "tags": []
    },
@@ -56,7 +56,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "2b4e9ee9",
+   "id": "8f5813eb",
    "metadata": {
     "tags": []
    },
@@ -69,7 +69,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "4b6650f3",
+   "id": "41c5f406",
    "metadata": {
     "tags": []
    },
@@ -93,7 +93,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "47bfe3a4",
+   "id": "1bb6b38e",
    "metadata": {
     "tags": []
    },
@@ -105,7 +105,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "9feef98c",
+   "id": "8869e173",
    "metadata": {
     "tags": []
    },
@@ -130,7 +130,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "bbefc21a",
+   "id": "a84191c6",
    "metadata": {
     "tags": []
    },
@@ -142,7 +142,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "b8b9821a",
+   "id": "deacd204",
    "metadata": {
     "tags": []
    },
@@ -165,7 +165,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "cc0ec500",
+   "id": "a04bf451",
    "metadata": {
     "tags": []
    },
@@ -176,7 +176,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "9db16e10",
+   "id": "47d18384",
    "metadata": {
     "tags": []
    },
@@ -188,7 +188,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "3a291308",
+   "id": "2b4e23b0",
    "metadata": {
     "tags": []
    },
@@ -215,7 +215,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "f0f4556c",
+   "id": "36f79f03",
    "metadata": {
     "tags": []
    },
@@ -227,7 +227,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "19c30b49",
+   "id": "3a844da7",
    "metadata": {
     "tags": []
    },
@@ -255,7 +255,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "fa6c4dc9",
+   "id": "5c5b4b57",
    "metadata": {
     "tags": []
    },
@@ -278,7 +278,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "d3f58321",
+   "id": "a18e4382",
    "metadata": {
     "tags": []
    },
@@ -305,7 +305,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "c2868173",
+   "id": "ac67d47b",
    "metadata": {
     "tags": []
    },
diff --git a/notebooks/readme.ipynb b/notebooks/readme.ipynb
index fd2491a2..216c8d10 100644
--- a/notebooks/readme.ipynb
+++ b/notebooks/readme.ipynb
@@ -3,7 +3,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "955e8caa",
+   "id": "eb4275ed",
    "metadata": {
     "tags": []
    },
@@ -16,7 +16,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "66d25607",
+   "id": "4057eb74",
    "metadata": {
     "tags": []
    },
@@ -27,7 +27,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "6f607088",
+   "id": "5d145dfa",
    "metadata": {
     "tags": []
    },
@@ -50,7 +50,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "f1c858c4",
+   "id": "ba7374d7",
    "metadata": {
     "tags": []
    },
@@ -62,7 +62,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "5910c245",
+   "id": "eb951381",
    "metadata": {
     "tags": []
    },
@@ -83,7 +83,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "308e19a9",
+   "id": "bc3b2654",
    "metadata": {
     "tags": []
    },
@@ -94,7 +94,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "c349a49e",
+   "id": "e59a3c9e",
    "metadata": {
     "tags": []
    },
@@ -106,7 +106,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "1c6dacc4",
+   "id": "7e4d36dd",
    "metadata": {
     "tags": []
    },
@@ -128,7 +128,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "7991ceca",
+   "id": "c88697cc",
    "metadata": {
     "tags": []
    },
@@ -139,7 +139,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "c7ef1dc7",
+   "id": "92460d9a",
    "metadata": {
     "tags": []
    },
@@ -162,7 +162,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "462a3a44",
+   "id": "d0d13d5a",
    "metadata": {
     "tags": []
    },
@@ -184,7 +184,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "61b4e687",
+   "id": "a98f0796",
    "metadata": {
     "tags": []
    },
@@ -195,7 +195,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "216e68ca",
+   "id": "35ec2534",
    "metadata": {
     "tags": []
    },
diff --git a/notebooks/roundtrip_comments.ipynb b/notebooks/roundtrip_comments.ipynb
index b40676d2..b617064d 100644
--- a/notebooks/roundtrip_comments.ipynb
+++ b/notebooks/roundtrip_comments.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "id": "9061c565",
+   "id": "aa59b4b6",
    "metadata": {
     "tags": []
    },
@@ -13,7 +13,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "c9f4efa2",
+   "id": "89810357",
    "metadata": {
     "tags": []
    },
@@ -27,7 +27,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "9107810c",
+   "id": "16d81521",
    "metadata": {
     "tags": []
    },
@@ -43,7 +43,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "731062af",
+   "id": "52c19bbd",
    "metadata": {
     "tags": []
    },
@@ -54,7 +54,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "446f50da",
+   "id": "c82109ae",
    "metadata": {
     "tags": []
    },
@@ -66,7 +66,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "4dd21ed0",
+   "id": "bac4279e",
    "metadata": {
     "tags": []
    },
@@ -88,7 +88,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "e9bed6d3",
+   "id": "78a825a5",
    "metadata": {
     "tags": []
    },
@@ -99,7 +99,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "ba3028df",
+   "id": "c51390d7",
    "metadata": {
     "tags": []
    },
@@ -124,7 +124,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "c53292ec",
+   "id": "9eb60727",
    "metadata": {
     "tags": []
    },
@@ -149,7 +149,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "0ec035cd",
+   "id": "2b2d2c7a",
    "metadata": {
     "tags": []
    },
@@ -160,7 +160,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "f9bb65b6",
+   "id": "74a85ab6",
    "metadata": {
     "tags": []
    },
@@ -172,7 +172,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c60677a3",
+   "id": "24ac86eb",
    "metadata": {
     "tags": []
    },
@@ -183,7 +183,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "9e98ff31",
+   "id": "b8163704",
    "metadata": {
     "tags": []
    },
diff --git a/poetry.lock b/poetry.lock
index fafa2239..ecc75994 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -896,7 +896,7 @@ snowballstemmer = "*"
 
 [[package]]
 name = "pygments"
-version = "2.8.1"
+version = "2.9.0"
 description = "Pygments is a syntax highlighting package written in Python."
 category = "dev"
 optional = false
@@ -1398,7 +1398,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pyt
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "c3bb105fd91a673c31f8a543f9c2460deacda186a50311d20af0487ecc82764d"
+content-hash = "bb383e92649dbd942598089d666c15d7cd42f3b67ebc36b727f440da2806dff0"
 
 [metadata.files]
 ansiwrap = [
@@ -1432,6 +1432,10 @@ argon2-cffi = [
     {file = "argon2_cffi-20.1.0-cp38-cp38-win_amd64.whl", hash = "sha256:9dfd5197852530294ecb5795c97a823839258dfd5eb9420233c7cfedec2058f2"},
     {file = "argon2_cffi-20.1.0-cp39-cp39-win32.whl", hash = "sha256:e2db6e85c057c16d0bd3b4d2b04f270a7467c147381e8fd73cbbe5bc719832be"},
     {file = "argon2_cffi-20.1.0-cp39-cp39-win_amd64.whl", hash = "sha256:8a84934bd818e14a17943de8099d41160da4a336bcc699bb4c394bbb9b94bd32"},
+    {file = "argon2_cffi-20.1.0-pp36-pypy36_pp73-macosx_10_7_x86_64.whl", hash = "sha256:b94042e5dcaa5d08cf104a54bfae614be502c6f44c9c89ad1535b2ebdaacbd4c"},
+    {file = "argon2_cffi-20.1.0-pp36-pypy36_pp73-win32.whl", hash = "sha256:8282b84ceb46b5b75c3a882b28856b8cd7e647ac71995e71b6705ec06fc232c3"},
+    {file = "argon2_cffi-20.1.0-pp37-pypy37_pp73-macosx_10_7_x86_64.whl", hash = "sha256:3aa804c0e52f208973845e8b10c70d8957c9e5a666f702793256242e9167c4e0"},
+    {file = "argon2_cffi-20.1.0-pp37-pypy37_pp73-win_amd64.whl", hash = "sha256:36320372133a003374ef4275fbfce78b7ab581440dfca9f9471be3dd9a522428"},
 ]
 astroid = [
     {file = "astroid-2.5.3-py3-none-any.whl", hash = "sha256:bea3f32799fbb8581f58431c12591bc20ce11cbc90ad82e2ea5717d94f2080d5"},
@@ -1485,24 +1489,36 @@ cffi = [
     {file = "cffi-1.14.5-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:48e1c69bbacfc3d932221851b39d49e81567a4d4aac3b21258d9c24578280058"},
     {file = "cffi-1.14.5-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:69e395c24fc60aad6bb4fa7e583698ea6cc684648e1ffb7fe85e3c1ca131a7d5"},
     {file = "cffi-1.14.5-cp36-cp36m-manylinux2014_aarch64.whl", hash = "sha256:9e93e79c2551ff263400e1e4be085a1210e12073a31c2011dbbda14bda0c6132"},
+    {file = "cffi-1.14.5-cp36-cp36m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:24ec4ff2c5c0c8f9c6b87d5bb53555bf267e1e6f70e52e5a9740d32861d36b6f"},
+    {file = "cffi-1.14.5-cp36-cp36m-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:3c3f39fa737542161d8b0d680df2ec249334cd70a8f420f71c9304bd83c3cbed"},
+    {file = "cffi-1.14.5-cp36-cp36m-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:681d07b0d1e3c462dd15585ef5e33cb021321588bebd910124ef4f4fb71aef55"},
     {file = "cffi-1.14.5-cp36-cp36m-win32.whl", hash = "sha256:58e3f59d583d413809d60779492342801d6e82fefb89c86a38e040c16883be53"},
     {file = "cffi-1.14.5-cp36-cp36m-win_amd64.whl", hash = "sha256:005a36f41773e148deac64b08f233873a4d0c18b053d37da83f6af4d9087b813"},
     {file = "cffi-1.14.5-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:2894f2df484ff56d717bead0a5c2abb6b9d2bf26d6960c4604d5c48bbc30ee73"},
     {file = "cffi-1.14.5-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:0857f0ae312d855239a55c81ef453ee8fd24136eaba8e87a2eceba644c0d4c06"},
     {file = "cffi-1.14.5-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:cd2868886d547469123fadc46eac7ea5253ea7fcb139f12e1dfc2bbd406427d1"},
     {file = "cffi-1.14.5-cp37-cp37m-manylinux2014_aarch64.whl", hash = "sha256:35f27e6eb43380fa080dccf676dece30bef72e4a67617ffda586641cd4508d49"},
+    {file = "cffi-1.14.5-cp37-cp37m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:06d7cd1abac2ffd92e65c0609661866709b4b2d82dd15f611e602b9b188b0b69"},
+    {file = "cffi-1.14.5-cp37-cp37m-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:0f861a89e0043afec2a51fd177a567005847973be86f709bbb044d7f42fc4e05"},
+    {file = "cffi-1.14.5-cp37-cp37m-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:cc5a8e069b9ebfa22e26d0e6b97d6f9781302fe7f4f2b8776c3e1daea35f1adc"},
     {file = "cffi-1.14.5-cp37-cp37m-win32.whl", hash = "sha256:9ff227395193126d82e60319a673a037d5de84633f11279e336f9c0f189ecc62"},
     {file = "cffi-1.14.5-cp37-cp37m-win_amd64.whl", hash = "sha256:9cf8022fb8d07a97c178b02327b284521c7708d7c71a9c9c355c178ac4bbd3d4"},
     {file = "cffi-1.14.5-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:8b198cec6c72df5289c05b05b8b0969819783f9418e0409865dac47288d2a053"},
     {file = "cffi-1.14.5-cp38-cp38-manylinux1_i686.whl", hash = "sha256:ad17025d226ee5beec591b52800c11680fca3df50b8b29fe51d882576e039ee0"},
     {file = "cffi-1.14.5-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:6c97d7350133666fbb5cf4abdc1178c812cb205dc6f41d174a7b0f18fb93337e"},
     {file = "cffi-1.14.5-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:8ae6299f6c68de06f136f1f9e69458eae58f1dacf10af5c17353eae03aa0d827"},
+    {file = "cffi-1.14.5-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:04c468b622ed31d408fea2346bec5bbffba2cc44226302a0de1ade9f5ea3d373"},
+    {file = "cffi-1.14.5-cp38-cp38-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:06db6321b7a68b2bd6df96d08a5adadc1fa0e8f419226e25b2a5fbf6ccc7350f"},
+    {file = "cffi-1.14.5-cp38-cp38-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:293e7ea41280cb28c6fcaaa0b1aa1f533b8ce060b9e701d78511e1e6c4a1de76"},
     {file = "cffi-1.14.5-cp38-cp38-win32.whl", hash = "sha256:b85eb46a81787c50650f2392b9b4ef23e1f126313b9e0e9013b35c15e4288e2e"},
     {file = "cffi-1.14.5-cp38-cp38-win_amd64.whl", hash = "sha256:1f436816fc868b098b0d63b8920de7d208c90a67212546d02f84fe78a9c26396"},
     {file = "cffi-1.14.5-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:1071534bbbf8cbb31b498d5d9db0f274f2f7a865adca4ae429e147ba40f73dea"},
     {file = "cffi-1.14.5-cp39-cp39-manylinux1_i686.whl", hash = "sha256:9de2e279153a443c656f2defd67769e6d1e4163952b3c622dcea5b08a6405322"},
     {file = "cffi-1.14.5-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:6e4714cc64f474e4d6e37cfff31a814b509a35cb17de4fb1999907575684479c"},
     {file = "cffi-1.14.5-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:158d0d15119b4b7ff6b926536763dc0714313aa59e320ddf787502c70c4d4bee"},
+    {file = "cffi-1.14.5-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:1bf1ac1984eaa7675ca8d5745a8cb87ef7abecb5592178406e55858d411eadc0"},
+    {file = "cffi-1.14.5-cp39-cp39-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:df5052c5d867c1ea0b311fb7c3cd28b19df469c056f7fdcfe88c7473aa63e333"},
+    {file = "cffi-1.14.5-cp39-cp39-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:24a570cd11895b60829e941f2613a4f79df1a27344cbbb82164ef2e0116f09c7"},
     {file = "cffi-1.14.5-cp39-cp39-win32.whl", hash = "sha256:afb29c1ba2e5a3736f1c301d9d0abe3ec8b86957d04ddfa9d7a6a42b9367e396"},
     {file = "cffi-1.14.5-cp39-cp39-win_amd64.whl", hash = "sha256:f2d45f97ab6bb54753eab54fffe75aaf3de4ff2341c9daee1987ee1837636f1d"},
     {file = "cffi-1.14.5.tar.gz", hash = "sha256:fd78e5fee591709f32ef6edb9a015b4aa1a5022598e36227500c8f4e02328d9c"},
@@ -1871,8 +1887,8 @@ pydocstyle = [
     {file = "pydocstyle-6.0.0.tar.gz", hash = "sha256:164befb520d851dbcf0e029681b91f4f599c62c5cd8933fd54b1bfbd50e89e1f"},
 ]
 pygments = [
-    {file = "Pygments-2.8.1-py3-none-any.whl", hash = "sha256:534ef71d539ae97d4c3a4cf7d6f110f214b0e687e92f9cb9d2a3b0d3101289c8"},
-    {file = "Pygments-2.8.1.tar.gz", hash = "sha256:2656e1a6edcdabf4275f9a3640db59fd5de107d88e8663c5d4e9a0fa62f77f94"},
+    {file = "Pygments-2.9.0-py3-none-any.whl", hash = "sha256:d66e804411278594d764fc69ec36ec13d9ae9147193a1740cd34d272ca383b8e"},
+    {file = "Pygments-2.9.0.tar.gz", hash = "sha256:a18f47b506a429f6f4b9df81bb02beab9ca21d0a5fee38ed15aef65f0545519f"},
 ]
 pylint = [
     {file = "pylint-2.7.4-py3-none-any.whl", hash = "sha256:209d712ec870a0182df034ae19f347e725c1e615b2269519ab58a35b3fcbbe7a"},
diff --git a/pyproject.toml b/pyproject.toml
index c0fb639f..aff70a44 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [tool.poetry]
 
 name = "datafiles"
-version = "0.15"
+version = "0.15.1"
 description = "File-based ORM for dataclasses."
 
 license = "MIT"
@@ -86,7 +86,7 @@ coveragespace = "^4.0"
 
 # Documentation
 mkdocs = "~1.0"
-pygments = "^2.7.4"
+pygments = "^2.9"
 
 # Notebooks
 ipython = "^7.4"