Add support for installing local wheels

Signed-off-by: Jean-Christophe Morin <[email protected]>

src/rez_pip/cli.py

@@ -191,9 +191,14 @@ def _run(args: argparse.Namespace, pipArgs: typing.List[str], pipWorkArea: str)
 
         _LOG.info(f"Resolved {len(packages)} dependencies for python {pythonVersion}")
 
+        localWheels = [package for package in packages if package.isLocal]
+        remoteWheels = [package for package in packages if not package.isLocal]
+
         # TODO: Should we postpone downloading to the last minute if we can?
         _LOG.info("[bold]Downloading...")
-        wheels = rez_pip.download.downloadPackages(packages, wheelsDir)
+        wheels = rez_pip.download.downloadPackages(remoteWheels, wheelsDir)
+        wheels += [wheel.path for wheel in localWheels]
+
         _LOG.info(f"[bold]Downloaded {len(wheels)} wheels")
 
         dists: typing.Dict[importlib_metadata.Distribution, bool] = {}

src/rez_pip/pip.py

@@ -3,10 +3,12 @@
 import json
 import typing
 import logging
+import pathlib
 import tempfile
 import itertools
 import subprocess
 import dataclasses
+import urllib.parse
 
 import dataclasses_json
 
@@ -57,6 +59,36 @@ def name(self) -> str:
     def version(self) -> str:
         return self.metadata.version
 
+    def isLocal(self) -> bool:
+        """Returns True if the wheel is a local file"""
+        return urllib.parse.urlparse(self.download_info.url).scheme == 'file'
+
+    @property
+    def path(self) -> str:
+        if not self.isLocal():
+            raise RuntimeError("Cannot be path of a non local wheel")
+
+        # Taken from https://github.com/python/cpython/pull/107640
+        path = self.download_info.url[5:]
+        if path[:3] == '///':
+            # Remove empty authority
+            path = path[2:]
+        elif path[:12] == '//localhost/':
+            # Remove 'localhost' authority
+            path = path[11:]
+        if path[:3] == '///' or (path[:1] == '/' and path[2:3] in ':|'):
+            # Remove slash before DOS device/UNC path
+            path = path[1:]
+        if path[1:2] == '|':
+            # Replace bar with colon in DOS drive
+            path = path[:1] + ':' + path[2:]
+
+        path = pathlib.PurePath(os.fsdecode(urllib.parse.unquote_to_bytes(path)))
+        if not path.is_absolute():
+            raise ValueError(f"URI is not absolute: {self.download_info.url!r}")
+
+        return os.fspath(path)
+
 
 def getBundledPip() -> str:
     return os.path.join(os.path.dirname(rez_pip.data.__file__), "pip.pyz")
@@ -95,7 +127,6 @@ def getPackages(
             "--ignore-installed",
             f"--python-version={pythonVersion}" if pythonVersion else "",
             "--only-binary=:all:",
-            "--target=/tmp/asd",
             "--disable-pip-version-check",
             "--report",  # This is the "magic". Pip will generate a JSON with all the resolved URLs.
             tmpFile,