contrib: fix find_restricted_dependencies for deps with version range

New release of pyinstaller (4.3) broke the script (which is used by freeze_packages.sh).

-----

Compare:

$ wget https://pypi.org/pypi/pyinstaller/4.3/json
$ cat json | jq ".info.requires_dist"
[
  "setuptools",
  "altgraph",
  "pyinstaller-hooks-contrib (>=2020.6)",
  "importlib-metadata ; python_version < \"3.8\"",
  "macholib (>=1.8) ; sys_platform == \"darwin\"",
  "pefile (>=2017.8.1) ; sys_platform == \"win32\"",
  "pywin32-ctypes (>=0.2.0) ; sys_platform == \"win32\"",
  "tinyaes (>=1.0.0) ; extra == 'encryption'",
  "pytest (>=2.7.3) ; extra == 'hook_testing'",
  "execnet (>=1.5.0) ; extra == 'hook_testing'",
  "psutil ; extra == 'hook_testing'"
]

$ wget https://pypi.org/pypi/pyinstaller/4.2/json | jq .
$ cat json | jq ".info.requires_dist"
null

$ wget https://pypi.org/pypi/qrcode/6.1/json
$ cat json | jq ".info.requires_dist"
[
  "six",
  "colorama ; platform_system == \"Windows\"",
  "tox ; extra == 'dev'",
  "pytest ; extra == 'dev'",
  "mock ; (python_version < \"3\") and extra == 'dev'",
  "zest.releaser[recommended] ; extra == 'maintainer'",
  "pillow ; extra == 'pil'",
  "pytest ; extra == 'test'",
  "pytest-cov ; extra == 'test'",
  "mock ; (python_version < \"3\") and extra == 'test'"
]

Co-authored-by: SomberNight <somber.night@protonmail.com>

contrib/deterministic-build/find_restricted_dependencies.py

@@ -21,29 +21,29 @@ def check_restriction(p, r):
     p = p.strip()
     if not p:
         continue
-    assert (
-        "==" in p
-    ), "This script expects a list of packages with pinned version, e.g. package==1.2.3, not {}".format(
-        p
+    assert "==" in p, (
+        "This script expects a list of packages with pinned version, e.g. "
+        f"package==1.2.3, not {p}"
     )
     p, v = p.rsplit("==", 1)
     try:
-        data = requests.get("https://pypi.org/pypi/{}/{}/json".format(p, v)).json()[
-            "info"
-        ]
+        data = requests.get(f"https://pypi.org/pypi/{p}/{v}/json").json()["info"]
     except ValueError:
         raise Exception("Package could not be found: {}=={}".format(p, v))
     try:
-        for r in data["requires_dist"]:
+        for r in data["requires_dist"]:  # type: str
             if ";" not in r:
                 continue
-            d, restricted = r.split(";", 1)
-            if check_restriction(d, restricted):
-                print(d, sep=" ")
+            # example value for "r" at this point: "pefile (>=2017.8.1) ; sys_platform == \"win32\""
+            dep, restricted = r.split(";", 1)
+            dep = dep.strip()
+            restricted = restricted.strip()
+            dep_basename = dep.split(" ")[0]
+            if check_restriction(dep, restricted):
+                print(dep_basename, sep=" ")
                 print(
-                    "Installing {} from {} although it is only needed for {}".format(
-                        d, p, restricted
-                    ),
+                    f"Installing {dep} from {p} although it is only needed for "
+                    f"{restricted}",
                     file=sys.stderr,
                 )
     except TypeError: