def _get_dependencies_from_json(self,
candidate: Candidate) -> CandidateInfo:
if not candidate.name or not candidate.version:
# Only look for json api for named requirements.
raise CandidateInfoNotFound(candidate)
sources = self.get_filtered_sources(candidate.req)
url_prefixes = [
proc_url[:-7] # Strip "/simple".
for proc_url in (raw_url.rstrip("/")
for raw_url in (source.get("url", "")
for source in sources))
if proc_url.endswith("/simple")
]
with self.environment.get_finder(sources) as finder:
session = finder.session
for prefix in url_prefixes:
json_url = f"{prefix}/pypi/{candidate.name}/{candidate.version}/json"
resp = session.get(json_url)
if not resp.ok:
continue
info = resp.json()["info"]
requires_python = info["requires_python"] or ""
summary = info["summary"] or ""
try:
requirement_lines = info["requires_dist"] or []
except KeyError:
requirement_lines = info["requires"] or []
requirements = filter_requirements_with_extras(
requirement_lines, candidate.req.extras or ())
return requirements, requires_python, summary
raise CandidateInfoNotFound(candidate)
def _get_dependencies_from_cache(self, candidate: Candidate) -> CandidateInfo:
try:
result = self._candidate_info_cache.get(candidate)
except CorruptedCacheError:
self._candidate_info_cache.clear()
raise CandidateInfoNotFound(candidate)
except KeyError:
raise CandidateInfoNotFound(candidate)
return result
def _get_dependencies_from_lockfile(self, candidate: Candidate) -> CandidateInfo:
if candidate.dependencies is None:
raise CandidateInfoNotFound(candidate)
return (
[dep.as_line() for dep in candidate.dependencies],
candidate.requires_python,
candidate.summary,
)
def _get_dependencies_from_fixture(
self, candidate: Candidate) -> Tuple[List[str], str, str]:
try:
pypi_data = self._pypi_data[candidate.req.key][candidate.version]
except KeyError:
raise CandidateInfoNotFound(candidate)
deps = pypi_data.get("dependencies", [])
for extra in candidate.req.extras or ():
deps.extend(pypi_data.get("extras_require", {}).get(extra, []))
return deps, pypi_data.get("requires_python", ""), ""
def _get_dependencies_from_fixture(
self, candidate: Candidate
) -> Tuple[List[str], str, str]:
try:
pypi_data = self._pypi_data[candidate.req.key][candidate.version]
except KeyError:
raise CandidateInfoNotFound(candidate)
deps = pypi_data.get("dependencies", [])
deps = filter_requirements_with_extras(deps, candidate.req.extras or ())
return deps, pypi_data.get("requires_python", ""), ""