Allow build requirements to be used in the rebuild graph

Author: isuruf

README.md

@@ -160,6 +160,12 @@ __migrator:
     - package1
     - package2
 
+  # The bot only looks at host/run requirements of a recipe to determine which feedstocks
+  # to migrate to. This option is added to make the bot look at build requirements too.
+  # This is only needed when doing a migration for a package with a strong run exports.
+  # i.e. for a compiler.
+  include_build_requirements: false
+
   # If this key is set to dict, the conda-forge.yml will be modified by the migration
   # with the contents of this dict. This can be used to add keys to the conda-forge.yml
   # or to change them. You can replace subkeys by using a dot in the key name (e.g., `a.b.c`
@@ -182,7 +188,7 @@ __migrator:
   # natural version ordering. Each changed pin can be mapped to a list
   # that determines the ordering. The highest (e.g., item with highest list index)
   # version is kept for version migrations.
-  oridering:
+  ordering:
     pin1:
       - value1
       - value2

conda_forge_tick/make_graph.py

@@ -45,6 +45,10 @@
     "cxx_compiler_stub",
     "fortran_compiler_stub",
     "cuda_compiler_stub",
+    "m2w64_c_compiler_stub",
+    "m2w64_c_stdlib_stub",
+    "m2w64_cxx_compiler_stub",
+    "m2w64_fortran_compiler_stub",
 ]
 
 

conda_forge_tick/make_migrators.py

@@ -218,6 +218,7 @@ def add_rebuild_migration_yaml(
     nominal_pr_limit: int = PR_LIMIT,
     max_solver_attempts: int = 3,
     force_pr_after_solver_attempts: int = MAX_SOLVER_ATTEMPTS * 2,
+    include_build_requirements: build = False,
 ) -> None:
     """Adds rebuild migrator.
 
@@ -245,6 +246,8 @@ def add_rebuild_migration_yaml(
         The number of PRs per hour, defaults to 5
     force_pr_after_solver_attempts : int, optional
         The number of solver attempts after which to force a PR, defaults to 100.
+    include_build_requirements : bool, optional
+        Check build requirements for package_names, defaults to false.
     """
 
     total_graph = create_rebuild_graph(
@@ -253,6 +256,7 @@ def add_rebuild_migration_yaml(
         excluded_feedstocks,
         exclude_pinned_pkgs=exclude_pinned_pkgs,
         include_noarch=config.get("include_noarch", False),
+        include_build_requirements=include_build_requirements,
     )
 
     # Note at this point the graph is made of all packages that have a
@@ -439,6 +443,7 @@ def migration_factory(
                     set(loaded_yaml) | {ly.replace("_", "-") for ly in loaded_yaml}
                 ) & all_package_names
             exclude_pinned_pkgs = migrator_config.get("exclude_pinned_pkgs", True)
+            include_build_requirements = migrator_config.get("include_build_requirements", False)
 
             age = time.time() - loaded_yaml.get("migrator_ts", time.time())
             age /= 24 * 60 * 60
@@ -480,6 +485,7 @@ def migration_factory(
                     nominal_pr_limit=_pr_limit,
                     max_solver_attempts=max_solver_attempts,
                     force_pr_after_solver_attempts=force_pr_after_solver_attempts,
+                    include_build_requirements=include_build_requirements,
                 )
                 if skip_solver_checks:
                     assert not migrators[-1].check_solvable

conda_forge_tick/migrators/migration_yaml.py

@@ -648,6 +648,7 @@ def create_rebuild_graph(
     excluded_feedstocks: MutableSet[str] = None,
     exclude_pinned_pkgs: bool = True,
     include_noarch: bool = False,
+    include_build_requirements: bool = False,
 ) -> nx.DiGraph:
     total_graph = copy.deepcopy(gx)
     excluded_feedstocks = set() if excluded_feedstocks is None else excluded_feedstocks
@@ -669,6 +670,8 @@ def create_rebuild_graph(
         host = requirements.get("host", set())
         build = requirements.get("build", set())
         bh = host or build
+        if include_build_requirements:
+            bh = bh | build
         only_python = "python" in package_names
         inclusion_criteria = bh & set(package_names) and (
             include_noarch or not all_noarch(attrs, only_python=only_python)
@@ -678,7 +681,7 @@ def create_rebuild_graph(
         all_reqs = requirements.get("run", set())
         if inclusion_criteria:
             all_reqs = all_reqs | requirements.get("test", set())
-            all_reqs = all_reqs | (host or build)
+            all_reqs = all_reqs | bh
         rq = get_deps_from_outputs_lut(
             all_reqs,
             gx.graph["outputs_lut"],