Replace jsonschema's indent utility with textwrap

It was a simpler version of that anyway and now got replaced.
See python-jsonschema/jsonschema@b0be7bf

We should be jsonschema v4 compatible now.

Author: badboy

glean_parser/util.py

@@ -313,7 +313,9 @@ def pprint_validation_error(error) -> str:
 
     description = error.schema.get("description")
     if description:
-        parts.extend(["", "Documentation for this node:", _utils.indent(description)])
+        parts.extend(
+            ["", "Documentation for this node:", textwrap.indent(description, "    ")]
+        )
 
     return "\n".join(parts)
 
@@ -327,9 +329,9 @@ def format_error(filepath: Union[str, Path], header: str, content: str) -> str:
     else:
         filepath = "<string>"
     if header:
-        return f"{filepath}: {header}\n{_utils.indent(content)}"
+        return f"{filepath}: {header}\n{textwrap.indent(content, '    ')}"
     else:
-        return f"{filepath}:\n{_utils.indent(content)}"
+        return f"{filepath}:\n{textwrap.indent(content, '    ')}"
 
 
 def parse_expires(expires: str) -> datetime.date:

setup.py

@@ -29,7 +29,7 @@
     "diskcache>=4",
     "iso8601>=0.1.10; python_version<='3.6'",
     "Jinja2>=2.10.1",
-    "jsonschema>=3.0.2,<4",
+    "jsonschema>=3.0.2",
     "PyYAML>=5.3.1",
     "yamllint>=1.18.0",
 ]

tests/test_parser.py

@@ -8,7 +8,6 @@
 import textwrap
 
 import pytest
-from jsonschema import _utils
 
 from glean_parser import metrics
 from glean_parser import parser
@@ -183,7 +182,7 @@ def test_parser_schema_violation():
     ]
 
     expected_errors = set(
-        re.sub(r"\s", "", _utils.indent(textwrap.dedent(x)).strip())
+        re.sub(r"\s", "", textwrap.indent(textwrap.dedent(x), "    ").strip())
         for x in expected_errors
     )