Fix subprocess encoding

pipenv/resolver.py

@@ -77,6 +77,8 @@ def which(*args, **kwargs):
 
 
 def handle_parsed_args(parsed):
+    if "PIPENV_VERBOSITY" in os.environ:
+        parsed.verbose = int(os.getenv("PIPENV_VERBOSITY"))
     if parsed.debug:
         parsed.verbose = max(parsed.verbose, 2)
     if parsed.verbose > 1:

pipenv/utils.py

@@ -2264,16 +2264,18 @@ def interrupt_handled_subprocess(
 
 def subprocess_run(
     args, *, block=True, text=True, capture_output=True,
-    encoding=DEFAULT_ENCODING, env=None, **other_kwargs
+    encoding="utf-8", env=None, **other_kwargs
 ):
     """A backward compatible version of subprocess.run().
 
     It outputs text with default encoding, and store all outputs in the returned object instead of
     printing onto stdout.
     """
-    if env is not None:
-        env = dict(os.environ, **env)
-        other_kwargs['env'] = env
+    _env = os.environ.copy()
+    _env["PYTHONIOENCODING"] = encoding
+    if env:
+        _env.update(env)
+    other_kwargs["env"] = _env
     if capture_output:
         other_kwargs['stdout'] = subprocess.PIPE
         other_kwargs['stderr'] = subprocess.PIPE

pipenv/vendor/pip_shims/compat.py

@@ -762,10 +762,11 @@ def shim_unpack(
             unpack_kwargs["only_download"] = only_download
         if session is not None and "session" in required_args:
             unpack_kwargs["session"] = session
-        if "downloader" in required_args and downloader_provider is not None:
+        if downloader_provider is not None and any(arg in required_args for arg in ("download", "downloader")):
             assert session is not None
             assert progress_bar is not None
-            unpack_kwargs["downloader"] = downloader_provider(session, progress_bar)
+            arg = {"download", "downloader"}.intersection(required_args).pop()
+            unpack_kwargs[arg] = downloader_provider(session, progress_bar)
         return unpack_fn(**unpack_kwargs)  # type: ignore