From d0b967ee7a2c857a16efb565c198c9a6a5e27575 Mon Sep 17 00:00:00 2001
From: Florian Finkernagel <TyberiusPrime@users.noreply.github.com>
Date: Fri, 25 Nov 2022 13:06:02 +0100
Subject: [PATCH 1/2] debug setup.py failures

---
 lib/extractor/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/extractor/default.nix b/lib/extractor/default.nix
index 95f4c66..04b8803 100644
--- a/lib/extractor/default.nix
+++ b/lib/extractor/default.nix
@@ -128,6 +128,7 @@ let
     mkdir $out
     echo "extracting dependencies"
     SETUPTOOLS_USE_DISTUTILS=stdlib out_file=$out/python.json ${py}/bin/python -c "${setuptools_shim}" install &> $out/python.log || true
+    cat $out/python.log
   '';
   base_derivation = pyVersions: with pkgs; {
     buildInputs = [ unzip pkg-config ];

From ec286864d68bebea3e3ca101ef6ef19f1353f125 Mon Sep 17 00:00:00 2001
From: Florian Finkernagel <finkernagel@imt.uni-marburg.de>
Date: Mon, 10 Jul 2023 08:53:57 +0200
Subject: [PATCH 2/2] ignore all packages/version where the versions no longer
 parses via packaging

---
 mach_nix/data/providers.py | 74 ++++++++++++++++++++++++--------------
 1 file changed, 47 insertions(+), 27 deletions(-)

diff --git a/mach_nix/data/providers.py b/mach_nix/data/providers.py
index 95e2567..2444ba2 100644
--- a/mach_nix/data/providers.py
+++ b/mach_nix/data/providers.py
@@ -12,6 +12,7 @@
 
 import distlib.markers
 from pkg_resources import RequirementParseError
+import packaging
 
 from mach_nix.requirements import filter_reqs_by_eval_marker, Requirement, parse_reqs, context, filter_versions
 from mach_nix.versions import PyVer, parse_ver, Version
@@ -313,13 +314,20 @@ def __init__(self, data_dir: str, *args, **kwargs):
     def all_candidates(self, pkg_name, extras, builds) -> List[Candidate]:
         if builds:
             return []
-        return [Candidate(
-            w.name,
-            parse_ver(w.ver),
-            w.ver,
-            extras,
-            provider_info=ProviderInfo(provider=self, wheel_fname=w.fn, data=w)
-        ) for w in self._suitable_wheels(pkg_name)]
+        result = []
+        for w in self._suitable_wheels(pkg_name):
+            try:
+                result.append(Candidate(
+                    w.name,
+                    parse_ver(w.ver),
+                    w.ver,
+                    extras,
+                    provider_info=ProviderInfo(provider=self, wheel_fname=w.fn, data=w)
+                ))
+            except packaging.version.InvalidVersion:
+                print(f"Error parsing (wheel) {w.name} version '{w.ver}")
+                continue
+        return result
 
     def get_pkg_reqs(self, c: Candidate) -> Tuple[List[Requirement], List[Requirement]]:
         """
@@ -479,13 +487,21 @@ def get_pkg_reqs(self, c: Candidate) -> Tuple[List[Requirement], List[Requiremen
     def all_candidates(self, pkg_name, extras, builds) -> Iterable[Candidate]:
         if builds:
             return []
-        return [Candidate(
-            pkg_name,
-            parse_ver(ver),
-            ver,
-            extras,
-            provider_info=ProviderInfo(self, data=pkg)
-        ) for ver, pkg in self._get_candidates(pkg_name).items()]
+        result = []
+        for ver, pkg in self._get_candidates(pkg_name).items():
+            try:
+                result.append(
+                Candidate(
+                    pkg_name,
+                    parse_ver(ver),
+                    ver,
+                    extras,
+                    provider_info=ProviderInfo(self, data=pkg)
+                ))
+            except packaging.version.InvalidVersion:
+                print(f"Error parsing (sdist) {pkg} version '{ver}")
+                continue
+        return result
 
 
 def conda_virtual_packages():
@@ -601,19 +617,23 @@ def all_candidates(self, pkg_name, extras, builds) -> Iterable[Candidate]:
                 else:
                     url = f"https://anaconda.org/{self.channel}/{p['name']}/" \
                           f"{p['version']}/download/{p['subdir']}/{p['fname']}"
-                candidates.append(Candidate(
-                    p['name'],
-                    parse_ver(p['version']),
-                        p['version'],
-                    selected_extras=tuple(),
-                    build=p['build'],
-                    provider_info=ProviderInfo(
-                        self,
-                        url=url,
-                        hash=p['sha256'],
-                        data=p,
-                    )
-                ))
+                try:
+                    candidates.append(Candidate(
+                        p['name'],
+                        parse_ver(p['version']),
+                            p['version'],
+                        selected_extras=tuple(),
+                        build=p['build'],
+                        provider_info=ProviderInfo(
+                            self,
+                            url=url,
+                            hash=p['sha256'],
+                            data=p,
+                        )
+                    ))
+                except packaging.version.InvalidVersion:
+                    print(f"Error parsing (conda) {p['name']} version '{p['version']}")
+                    continue
                 if 'collisions' in p:
                     print(
                         f"WARNING: Colliding conda package in channel '{self.channel}' "