Continue using asyncio.

Signed-off-by: Thomas Neidhart <[email protected]>

src/python_inspector/api.py

@@ -284,17 +284,21 @@ def resolve_dependencies(
         pdt_output=pdt_output,
         analyze_setup_py_insecurely=analyze_setup_py_insecurely,
         ignore_errors=ignore_errors,
+        verbose=verbose,
+        printer=printer
     )
 
     async def gather_pypi_data():
         async def get_pypi_data(package):
-            if verbose:
-                printer(f"  package '{package}'")
-
-            return await get_pypi_data_from_purl(
+            data = await get_pypi_data_from_purl(
                 package, repos=repos, environment=environment, prefer_source=prefer_source
             )
 
+            if verbose:
+                printer(f"  retrieved package '{package}'")
+
+            return data
+
         if verbose:
             printer(f"retrieve data from pypi:")
 
@@ -324,6 +328,8 @@ def resolve(
     pdt_output: bool = False,
     analyze_setup_py_insecurely: bool = False,
     ignore_errors: bool = False,
+    verbose: bool = False,
+    printer=print
 ):
     """
     Resolve dependencies given a ``direct_dependencies`` list of
@@ -350,6 +356,8 @@ def resolve(
         pdt_output=pdt_output,
         analyze_setup_py_insecurely=analyze_setup_py_insecurely,
         ignore_errors=ignore_errors,
+        verbose=verbose,
+        printer=printer
     )
 
     return resolved_dependencies, packages
@@ -364,6 +372,8 @@ def get_resolved_dependencies(
     pdt_output: bool = False,
     analyze_setup_py_insecurely: bool = False,
     ignore_errors: bool = False,
+    verbose: bool = False,
+    printer=print
 ) -> Tuple[List[Dict], List[str]]:
     """
     Return resolved dependencies of a ``requirements`` list of Requirement for
@@ -373,15 +383,34 @@ def get_resolved_dependencies(
     Used the provided ``repos`` list of PypiSimpleRepository.
     If empty, use instead the PyPI.org JSON API exclusively instead.
     """
+    provider = PythonInputProvider(
+        environment=environment,
+        repos=repos,
+        analyze_setup_py_insecurely=analyze_setup_py_insecurely,
+        ignore_errors=ignore_errors,
+    )
+
+    async def gather_version_data():
+        async def get_version_data(name: str):
+            versions = await provider.fill_versions_for_package(name)
+
+            if verbose:
+                printer(f"  retrieved versions for package '{name}'")
+
+            return versions
+
+        if verbose:
+            printer(f"versions:")
+
+        return await asyncio.gather(*[get_version_data(requirement.name) for requirement in requirements])
+
+    asyncio.run(gather_version_data())
+
     resolver = Resolver(
-        provider=PythonInputProvider(
-            environment=environment,
-            repos=repos,
-            analyze_setup_py_insecurely=analyze_setup_py_insecurely,
-            ignore_errors=ignore_errors,
-        ),
+        provider=provider,
         reporter=BaseReporter(),
     )
+
     resolver_results = resolver.resolve(requirements=requirements, max_rounds=max_rounds)
     package_list = get_package_list(results=resolver_results)
     if pdt_output:

src/python_inspector/package_data.py

@@ -57,21 +57,23 @@ async def get_pypi_data_from_purl(
     python_version = get_python_version_from_env_tag(python_version=environment.python_version)
 
     valid_distribution_urls = []
-    sdist_url = get_sdist_download_url(purl=parsed_purl, repos=repos, python_version=python_version)
+    sdist_url = await get_sdist_download_url(purl=parsed_purl, repos=repos, python_version=python_version)
     if sdist_url:
         valid_distribution_urls.append(sdist_url)
 
     # if prefer_source is True then only source distribution is used
     # in case of no source distribution available then wheel is used
     if not valid_distribution_urls or not prefer_source:
-        wheel_urls = list(
-            get_wheel_download_urls(
-                purl=parsed_purl,
-                repos=repos,
-                environment=environment,
-                python_version=python_version,
-            )
-        )
+        wheel_urls = \
+            [
+                item
+                for item in await get_wheel_download_urls(
+                    purl=parsed_purl,
+                    repos=repos,
+                    environment=environment,
+                    python_version=python_version,
+                )
+            ]
         wheel_url = choose_single_wheel(wheel_urls)
         if wheel_url:
             valid_distribution_urls.insert(0, wheel_url)
@@ -142,38 +144,40 @@ def get_pypi_codeview_url(project_urls: Dict) -> Optional[str]:
     return code_view_url
 
 
-def get_wheel_download_urls(
+async def get_wheel_download_urls(
     purl: PackageURL,
     repos: List[PypiSimpleRepository],
     environment: Environment,
     python_version: str,
-) -> Iterable[str]:
+) -> List[str]:
     """
     Return a list of download urls for the given purl.
     """
+    download_urls = []
     for repo in repos:
-        for wheel in utils_pypi.get_supported_and_valid_wheels(
+        for wheel in await utils_pypi.get_supported_and_valid_wheels(
             repo=repo,
             name=purl.name,
             version=purl.version,
             environment=environment,
             python_version=python_version,
         ):
-            yield wheel.download_url
+            download_urls.append(await wheel.download_url)
+    return download_urls
 
 
-def get_sdist_download_url(
+async def get_sdist_download_url(
     purl: PackageURL, repos: List[PypiSimpleRepository], python_version: str
 ) -> str:
     """
     Return a list of download urls for the given purl.
     """
     for repo in repos:
-        sdist = utils_pypi.get_valid_sdist(
+        sdist = await utils_pypi.get_valid_sdist(
             repo=repo,
             name=purl.name,
             version=purl.version,
             python_version=python_version,
         )
         if sdist:
-            return sdist.download_url
+            return await sdist.download_url