update setup.py to match certbot

setup.py

@@ -11,7 +11,9 @@
     "setuptools>=41.6.0",
 ]
 
-if not os.environ.get("SNAP_BUILD"):
+if os.environ.get("SNAP_BUILD"):
+    install_requires.append("packaging")
+else:
     install_requires.extend(
         [
             # We specify the minimum acme and certbot version as the current plugin
@@ -21,12 +23,6 @@
             f"certbot>={version}",
         ]
     )
-elif "bdist_wheel" in sys.argv[1:]:
-    raise RuntimeError(
-        "Unset SNAP_BUILD when building wheels " "to include certbot dependencies."
-    )
-if os.environ.get("SNAP_BUILD"):
-    install_requires.append("packaging")
 
 docs_extras = [
     "Sphinx>=1.0",  # autodoc_member_order = 'bysource', autodoc_default_flags

snap/snapcraft.yaml

@@ -12,8 +12,8 @@ parts:
     plugin: python
     source: .
     override-pull: |
-        craftctl default
-        craftctl set version=$(grep ^version $SNAPCRAFT_PART_SRC/setup.py | cut -f2 -d= | tr -d "'[:space:]")
+      craftctl default
+      craftctl set version=$(grep ^version $SNAPCRAFT_PART_SRC/setup.py | cut -f2 -d= | tr -d "'[:space:]")
     build-environment:
       # We set this environment variable while building to try and increase the
       # stability of fetching the rust crates needed to build the cryptography
@@ -24,7 +24,7 @@ parts:
       # used. This is done to let these constraints be applied not only on the certbot package
       # build, but also on any isolated build that pip could trigger when building wheels for
       # dependencies. See https://github.com/certbot/certbot/pull/8443 for more info.
-      - PIP_CONSTRAINT: $SNAPCRAFT_PART_SRC/snap-constraints.txt
+      # - PIP_CONSTRAINT: $SNAPCRAFT_PART_SRC/snap-constraints.txt
       - SNAP_BUILD: "True"
     # To build cryptography and cffi if needed
     build-packages:
@@ -41,8 +41,8 @@ parts:
     source: .
     stage: [setup.py, certbot-shared]
     override-pull: |
-        craftctl default
-        mkdir -p $SNAPCRAFT_PART_SRC/certbot-shared
+      craftctl default
+      mkdir -p $SNAPCRAFT_PART_SRC/certbot-shared
 
 slots:
   certbot: