def generate_requirements(
extras_require: dict[str, list[str]]
) -> Iterator[tuple[str, str]]:
"""
Convert requirements from a setup()-style dictionary to
('Requires-Dist', 'requirement') and ('Provides-Extra', 'extra') tuples.
extras_require is a dictionary of {extra: [requirements]} as passed to setup(),
using the empty extra {'': [requirements]} to hold install_requires.
"""
for extra, depends in extras_require.items():
condition = ""
extra = extra or ""
if ":" in extra: # setuptools extra:condition syntax
extra, condition = extra.split(":", 1)
extra = safe_extra(extra)
if extra:
yield "Provides-Extra", extra
if condition:
condition = "(" + condition + ") and "
condition += "extra == '%s'" % extra
if condition:
condition = " ; " + condition
for new_req in convert_requirements(depends):
yield "Requires-Dist", new_req + condition
def generate_requirements(extras_require):
"""
Convert requirements from a setup()-style dictionary to ('Requires-Dist', 'requirement')
and ('Provides-Extra', 'extra') tuples.
extras_require is a dictionary of {extra: [requirements]} as passed to setup(),
using the empty extra {'': [requirements]} to hold install_requires.
"""
requirements = set()
for extra, depends in extras_require.items():
condition = ''
if extra and ':' in extra: # setuptools extra:condition syntax
extra, condition = extra.split(':', 1)
extra = pkg_resources.safe_extra(extra)
if extra:
requirements.add(('Provides-Extra', extra))
if condition:
condition = "(" + condition + ") and "
condition += "extra == '%s'" % extra
if condition:
condition = '; ' + condition
for new_req in convert_requirements(depends):
requirements.add(('Requires-Dist', new_req + condition))
return requirements
def generate_requirements(extras_require):
"""
Convert requirements from a setup()-style dictionary to ('Requires-Dist', 'requirement')
and ('Provides-Extra', 'extra') tuples.
extras_require is a dictionary of {extra: [requirements]} as passed to setup(),
using the empty extra {'': [requirements]} to hold install_requires.
"""
for extra, depends in extras_require.items():
condition = ''
extra = extra or ''
if ':' in extra: # setuptools extra:condition syntax
extra, condition = extra.split(':', 1)
extra = pkg_resources.safe_extra(extra)
if extra:
yield 'Provides-Extra', extra
if condition:
condition = "(" + condition + ") and "
condition += "extra == '%s'" % extra
if condition:
condition = '; ' + condition
for new_req in convert_requirements(depends):
yield 'Requires-Dist', new_req + condition
def generate_requirements(extras_require):
"""
Convert requirements from a setup()-style dictionary to ('Requires-Dist', 'requirement')
and ('Provides-Extra', 'extra') tuples.
extras_require is a dictionary of {extra: [requirements]} as passed to setup(),
using the empty extra {'': [requirements]} to hold install_requires.
"""
for extra, depends in extras_require.items():
condition = ""
extra = extra or ""
if ":" in extra: # setuptools extra:condition syntax
extra, condition = extra.split(":", 1)
extra = safe_extra(extra)
if extra:
yield "Provides-Extra", extra
if condition:
condition = "(" + condition + ") and "
condition += "extra == '%s'" % extra
for dependency in depends:
new_req = Requirement(dependency)
if condition:
if new_req.marker:
new_req.marker = "(%s) and %s" % (new_req.marker,
condition)
else:
new_req.marker = condition
yield "Requires-Dist", str(new_req)
def dep_map(requires_txt):
"""Parse dependency map. From setuptools."""
dm = collections.OrderedDict({None: []})
for extra, reqs in split_sections(requires_txt):
if extra: extra = safe_extra(extra)
dm.setdefault(extra, []).extend(parse_requirements(reqs))
return dm
def strip_extras(resolvable_string):
match = _EXTRAS_PATTERN.match(resolvable_string)
if match:
resolvable_string, extras = match.groupdict()['main'], match.groupdict()['extras']
extras = [safe_extra(extra.strip()) for extra in extras.split(',')]
else:
extras = []
return resolvable_string, extras
def __init__(self, req, comes_from, source_dir=None, editable=False,
link=None, update=True, pycompile=True, markers=None,
isolated=False, options=None, wheel_cache=None,
constraint=False, extras=()):
assert req is None or isinstance(req, Requirement), req
self.req = req
self.comes_from = comes_from
self.constraint = constraint
if source_dir is not None:
self.source_dir = os.path.normpath(os.path.abspath(source_dir))
else:
self.source_dir = None
self.editable = editable
self._wheel_cache = wheel_cache
if link is not None:
self.link = self.original_link = link
else:
self.link = self.original_link = req and req.url and Link(req.url)
if extras:
self.extras = extras
elif req:
self.extras = {
pkg_resources.safe_extra(extra) for extra in req.extras
}
else:
self.extras = set()
if markers is not None:
self.markers = markers
else:
self.markers = req and req.marker
self._egg_info_path = None
# This holds the pkg_resources.Distribution object if this requirement
# is already available:
self.satisfied_by = None
# True if the editable should be updated:
self.update = update
# Set to True after successful installation
self.install_succeeded = None
# UninstallPathSet of uninstalled distribution (for possible rollback)
self.uninstalled_pathset = None
self.use_user_site = False
self.target_dir = None
self.options = options if options else {}
self.pycompile = pycompile
# Set to True after successful preparation of this requirement
self.prepared = False
self.isolated = isolated
def process(requirement_sets, extras, environment):
for requirements in requirement_sets:
if 'extra' in requirements:
if safe_extra(requirements['extra']) not in extras:
continue
if 'environment' in requirements:
marker = Marker(requirements['environment'])
if not marker.evaluate(environment):
continue
for req in requirements['requires']:
req = utils.parse_requirement(req)
req.extras = extras
yield Requirement(str(req))
def process(requirement_sets, extras, environment):
for requirements in requirement_sets:
if 'extra' in requirements:
if safe_extra(requirements['extra']) not in extras:
continue
if 'environment' in requirements:
marker = Marker(requirements['environment'])
if not marker.evaluate(environment):
continue
for req in requirements['requires']:
req = utils.parse_requirement(req)
req.extras = extras
yield Requirement(str(req))
def add_requirement(self, req, extra="run"):
# cast to Requirement
if not isinstance(req, Requirement):
try:
req = Requirement.from_line(req)
except (pkg_resources.RequirementParseError, ValueError) as exc:
log.warning("%r %r add %r raised %r", self, extra, req, exc)
return
if not req.is_named:
log.warning("%r ignoring unnamed %r", self, req)
return
# skip out for implicit requirements
if req.name in self.IMPLICIT_PACKAGES:
return
# check existing requirement
for ereq in self.requires[extra] \
| (extra != "run" and self.requires["run"] or set()):
if ereq.normalized_name == req.normalized_name:
return
if extra != "run":
if ":" in extra: # setuptools extra:condition syntax
extra, condition = extra.split(":", 1)
if not Marker(condition).evaluate():
return
if extra:
extra = pkg_resources.safe_extra(extra)
self.provides_extra.add(extra)
req.markers = req.req.markers = "extra == '%s'" % extra
self.requires_dist.add(str(req))
del self.requires
return req
