get pypi source url from pip.conf

Fix #3

PS. functools32 is a malformed package that will fail when trying to build a wheel on it. The current solution is to get metadata from pypi json api,but for private registries, it will still fail.

pdm/cli/actions.py

@@ -90,6 +90,7 @@ def do_lock(
     flat_reqs = list(
         itertools.chain(*[deps.values() for _, deps in requirements.items()])
     )
+    # TODO: switch reporter at io level.
     with halo.Halo(text="Resolving dependencies", spinner="dots") as spin:
         reporter = SpinnerReporter(flat_reqs, spin)
         mapping, dependencies, summaries = resolve(

pdm/models/repositories.py

@@ -14,7 +14,7 @@ from pdm.models.requirements import (
 )
 from pdm.models.specifiers import PySpecSet, SpecifierSet
 from pdm._types import CandidateInfo, Source
-from pdm.utils import _allow_all_wheels
+from pdm.utils import _allow_all_wheels, get_pypi_source
 
 if TYPE_CHECKING:
     from pdm.models.environment import Environment
@@ -34,7 +34,7 @@ def cache_result(
 
 class BaseRepository:
     def __init__(self, sources: List[Source], environment: Environment) -> None:
-        self.sources = sources
+        self.sources = [get_pypi_source()] + sources
         self.environment = environment
         self._candidate_info_cache = context.make_candidate_info_cache()
         self._hash_cache = context.make_hash_cache()

pdm/utils.py

@@ -209,6 +209,18 @@ def prepare_pip_source_args(
     return pip_args
 
 
+def get_pypi_source():
+    """Get what is defined in pip.conf as the index-url."""
+    install_cmd = InstallCommand()
+    options, _ = install_cmd.parser.parse_args([])
+    index_url = options.index_url
+    parsed = parse.urlparse(index_url)
+    verify_ssl = parsed.scheme == "https"
+    if any(parsed.hostname.startswith(host) for host in options.trusted_hosts):
+        verify_ssl = False
+    return {"url": index_url, "name": "pypi", "verify_ssl": verify_ssl}
+
+
 def get_finder(
     sources: List[Source],
     cache_dir: Optional[str] = None,