add plain format_name

Author: ttehasi

gendiff/gen_diff.py

@@ -1,5 +1,6 @@
 import json
 
+from gendiff.gen_diff_plain import gen_diff_plain
 from gendiff.gen_diff_stylish import gen_diff_stylish
 from gendiff.pars_yaml import open_ymlf
 
@@ -43,3 +44,5 @@ def generate_diff(file1, file2, format_name='stylish'):
     match format_name:
         case 'stylish':
             return gen_diff_stylish(diff)
+        case 'plain':
+            return gen_diff_plain(diff)

gendiff/gen_diff_plain.py

@@ -0,0 +1,43 @@
+def stringify_plain(value):
+    if value is True:
+        result = 'true'
+    elif value is None:
+        result = 'null'
+    elif value is False:
+        result = 'false'
+    else:
+        result = f"'{value}'"
+    return result
+
+
+def gen_diff_plain(value, lvl=''):
+    res = ''
+    for el, val in value.items():
+        match val[0]:
+            case 'nested':
+
+                res += gen_diff_plain(val[1], lvl + f'{el}.')
+            case 'added':
+                if isinstance(val[1], dict):
+                    res += (f"Property '{lvl + el}'"
+                            f" was added with value: [complex value]" + '\n')
+                else:
+                    res += (f"Property '{lvl + el}'"
+                            f" was added with value:"
+                            f" {stringify_plain(val[1])}") + '\n'
+            case 'removed':
+                res += f"Property '{lvl + el}' was removed" + '\n'
+            case 'changed':
+                if isinstance(val[1], dict):
+                    res += (f"Property '{lvl + el}'"
+                            f" was updated. From [complex value]"
+                            f" to {stringify_plain(val[2])}") + '\n'
+                elif isinstance(val[2], dict):
+                    res += (f"Property '{lvl + el}'"
+                            f" was updated. From {stringify_plain(val[1])}"
+                            f" to [complex value]") + '\n'
+                else:
+                    res += (f"Property '{lvl + el}'"
+                            f" was updated. From {stringify_plain(val[1])}"
+                            f" to {stringify_plain(val[2])}") + '\n'
+    return res

gendiff/scripts/__pycache__/gendiff.cpython-312.pyc

@@ -13,7 +13,8 @@ def main():
     parser.add_argument('second_file')
     parser.add_argument('-f', '--format', help='set format of output')
     diff = generate_diff(parser.parse_args().first_file,
-                         parser.parse_args().second_file)
+                         parser.parse_args().second_file,
+                         parser.parse_args().format)
     return diff
 
 

gendiff/scripts/gendiff.py

@@ -0,0 +1,11 @@
+Property 'common.follow' was added with value: false
+Property 'common.setting2' was removed
+Property 'common.setting3' was updated. From true to null
+Property 'common.setting4' was added with value: 'blah blah'
+Property 'common.setting5' was added with value: [complex value]
+Property 'common.setting6.doge.wow' was updated. From '' to 'so much'
+Property 'common.setting6.ops' was added with value: 'vops'
+Property 'group1.baz' was updated. From 'bas' to 'bars'
+Property 'group1.nest' was updated. From [complex value] to 'str'
+Property 'group2' was removed
+Property 'group3' was added with value: [complex value]

tests/test_data/result_plain.txt

@@ -0,0 +1,12 @@
+from gendiff.gen_diff import generate_diff
+from tests.test_generate_diff import get_test_data_path, read_file
+
+
+def test_generate_diff():
+    result = read_file('result_plain.txt')
+    actual = generate_diff(str(get_test_data_path('file11.json')),
+                           str(get_test_data_path('file22.json')), 'plain')
+    yam_act = generate_diff(str(get_test_data_path('file11.yml')),
+                            str(get_test_data_path('file22.yml')), 'plain')
+    assert actual == result
+    assert yam_act == result