Upgrade pep517 to 0.12.0

Author: sbidoul

news/pep517.vendor.rst

@@ -0,0 +1 @@
+Upgrade pep517 to 0.12.0

src/pip/_vendor/pep517/__init__.py

@@ -1,6 +1,6 @@
 """Wrappers to build Python packages using PEP 517 hooks
 """
 
-__version__ = '0.11.0'
+__version__ = '0.12.0'
 
 from .wrappers import *  # noqa: F401, F403

src/pip/_vendor/pep517/build.py

@@ -31,7 +31,7 @@ def load_system(source_dir):
     Load the build system from a source dir (pyproject.toml).
     """
     pyproject = os.path.join(source_dir, 'pyproject.toml')
-    with io.open(pyproject, encoding="utf-8") as f:
+    with io.open(pyproject, 'rb') as f:
         pyproject_data = toml_load(f)
     return pyproject_data['build-system']
 

src/pip/_vendor/pep517/check.py

@@ -142,7 +142,7 @@ def check(source_dir):
         return False
 
     try:
-        with io.open(pyproject, encoding="utf-8") as f:
+        with io.open(pyproject, 'rb') as f:
             pyproject_data = toml_load(f)
         # Ensure the mandatory data can be loaded
         buildsys = pyproject_data['build-system']

src/pip/_vendor/pep517/compat.py

@@ -1,4 +1,5 @@
 """Python 2/3 compatibility"""
+import io
 import json
 import sys
 
@@ -35,7 +36,15 @@ def read_json(path):
 
 
 if sys.version_info < (3, 6):
-    from toml import load as toml_load  # noqa: F401
+    from toml import load as _toml_load  # noqa: F401
+
+    def toml_load(f):
+        w = io.TextIOWrapper(f, encoding="utf8", newline="")
+        try:
+            return _toml_load(w)
+        finally:
+            w.detach()
+
     from toml import TomlDecodeError as TOMLDecodeError  # noqa: F401
 else:
     from pip._vendor.tomli import load as toml_load  # noqa: F401

src/pip/_vendor/pep517/envbuild.py

@@ -19,7 +19,7 @@
 def _load_pyproject(source_dir):
     with io.open(
             os.path.join(source_dir, 'pyproject.toml'),
-            encoding="utf-8",
+            'rb',
             ) as f:
         pyproject_data = toml_load(f)
     buildsys = pyproject_data['build-system']

src/pip/_vendor/pep517/in_process/_in_process.py

@@ -103,6 +103,19 @@ def _build_backend():
     return obj
 
 
+def _supported_features():
+    """Return the list of options features supported by the backend.
+
+    Returns a list of strings.
+    The only possible value is 'build_editable'.
+    """
+    backend = _build_backend()
+    features = []
+    if hasattr(backend, "build_editable"):
+        features.append("build_editable")
+    return features
+
+
 def get_requires_for_build_wheel(config_settings):
     """Invoke the optional get_requires_for_build_wheel hook
 
@@ -312,6 +325,7 @@ def build_sdist(sdist_directory, config_settings):
     'build_editable',
     'get_requires_for_build_sdist',
     'build_sdist',
+    '_supported_features',
 }
 
 

src/pip/_vendor/pep517/wrappers.py

@@ -154,6 +154,10 @@ def subprocess_runner(self, runner):
         finally:
             self._subprocess_runner = prev
 
+    def _supported_features(self):
+        """Return the list of optional features supported by the backend."""
+        return self._call_hook('_supported_features', {})
+
     def get_requires_for_build_wheel(self, config_settings=None):
         """Identify packages required for building a wheel
 

src/pip/_vendor/vendor.txt

@@ -5,7 +5,7 @@ distro==1.6.0
 html5lib==1.1
 msgpack==1.0.2
 packaging==21.0
-pep517==0.11.0
+pep517==0.12.0
 platformdirs==2.4.0
 progress==1.6
 pyparsing==2.4.7