def check_requirements(dist, attr, value):
"""Verify that install_requires is a valid requirements list"""
try:
list(pkg_resources.parse_requirements(value))
except (TypeError, ValueError) as error:
tmpl = (
"{attr!r} must be a string or list of strings "
"containing valid project/version requirement specifiers; {error}"
)
raise DistutilsSetupError(tmpl.format(attr=attr, error=error))
python类parse_requirements()的实例源码
def check_extras(dist, attr, value):
"""Verify that extras_require mapping is valid"""
try:
for k,v in value.items():
if ':' in k:
k,m = k.split(':',1)
if pkg_resources.invalid_marker(m):
raise DistutilsSetupError("Invalid environment marker: "+m)
list(pkg_resources.parse_requirements(v))
except (TypeError,ValueError,AttributeError):
raise DistutilsSetupError(
"'extras_require' must be a dictionary whose values are "
"strings or lists of strings containing valid project/version "
"requirement specifiers."
)
def check_requirements(dist, attr, value):
"""Verify that install_requires is a valid requirements list"""
try:
list(pkg_resources.parse_requirements(value))
except (TypeError, ValueError) as error:
tmpl = (
"{attr!r} must be a string or list of strings "
"containing valid project/version requirement specifiers; {error}"
)
raise DistutilsSetupError(tmpl.format(attr=attr, error=error))
def fetch_build_eggs(self, requires):
"""Resolve pre-setup requirements"""
resolved_dists = pkg_resources.working_set.resolve(
pkg_resources.parse_requirements(requires),
installer=self.fetch_build_egg,
replace_conflicting=True,
)
for dist in resolved_dists:
pkg_resources.working_set.add(dist, replace=True)
def check_extras(dist, attr, value):
"""Verify that extras_require mapping is valid"""
try:
for k, v in value.items():
if ':' in k:
k, m = k.split(':', 1)
if pkg_resources.invalid_marker(m):
raise DistutilsSetupError("Invalid environment marker: " + m)
list(pkg_resources.parse_requirements(v))
except (TypeError, ValueError, AttributeError):
raise DistutilsSetupError(
"'extras_require' must be a dictionary whose values are "
"strings or lists of strings containing valid project/version "
"requirement specifiers."
)
def check_requirements(dist, attr, value):
"""Verify that install_requires is a valid requirements list"""
try:
list(pkg_resources.parse_requirements(value))
except (TypeError, ValueError) as error:
tmpl = (
"{attr!r} must be a string or list of strings "
"containing valid project/version requirement specifiers; {error}"
)
raise DistutilsSetupError(tmpl.format(attr=attr, error=error))
def fetch_build_eggs(self, requires):
"""Resolve pre-setup requirements"""
resolved_dists = pkg_resources.working_set.resolve(
pkg_resources.parse_requirements(requires),
installer=self.fetch_build_egg,
replace_conflicting=True,
)
for dist in resolved_dists:
pkg_resources.working_set.add(dist, replace=True)
return resolved_dists
def check_extras(dist, attr, value):
"""Verify that extras_require mapping is valid"""
try:
for k,v in value.items():
if ':' in k:
k,m = k.split(':',1)
if pkg_resources.invalid_marker(m):
raise DistutilsSetupError("Invalid environment marker: "+m)
list(pkg_resources.parse_requirements(v))
except (TypeError,ValueError,AttributeError):
raise DistutilsSetupError(
"'extras_require' must be a dictionary whose values are "
"strings or lists of strings containing valid project/version "
"requirement specifiers."
)
def check_requirements(dist, attr, value):
"""Verify that install_requires is a valid requirements list"""
try:
list(pkg_resources.parse_requirements(value))
except (TypeError, ValueError) as error:
tmpl = (
"{attr!r} must be a string or list of strings "
"containing valid project/version requirement specifiers; {error}"
)
raise DistutilsSetupError(tmpl.format(attr=attr, error=error))
def fetch_build_eggs(self, requires):
"""Resolve pre-setup requirements"""
resolved_dists = pkg_resources.working_set.resolve(
pkg_resources.parse_requirements(requires),
installer=self.fetch_build_egg,
replace_conflicting=True,
)
for dist in resolved_dists:
pkg_resources.working_set.add(dist, replace=True)
def _check_extra(extra, reqs):
name, sep, marker = extra.partition(':')
if marker and pkg_resources.invalid_marker(marker):
raise DistutilsSetupError("Invalid environment marker: " + marker)
list(pkg_resources.parse_requirements(reqs))
def check_requirements(dist, attr, value):
"""Verify that install_requires is a valid requirements list"""
try:
list(pkg_resources.parse_requirements(value))
except (TypeError, ValueError) as error:
tmpl = (
"{attr!r} must be a string or list of strings "
"containing valid project/version requirement specifiers; {error}"
)
raise DistutilsSetupError(tmpl.format(attr=attr, error=error))
def _convert_extras_requirements(self):
"""
Convert requirements in `extras_require` of the form
`"extra": ["barbazquux; {marker}"]` to
`"extra:{marker}": ["barbazquux"]`.
"""
spec_ext_reqs = getattr(self, 'extras_require', None) or {}
self._tmp_extras_require = defaultdict(list)
for section, v in spec_ext_reqs.items():
# Do not strip empty sections.
self._tmp_extras_require[section]
for r in pkg_resources.parse_requirements(v):
suffix = self._suffix_for(r)
self._tmp_extras_require[section + suffix].append(r)
def fetch_build_eggs(self, requires):
"""Resolve pre-setup requirements"""
resolved_dists = pkg_resources.working_set.resolve(
pkg_resources.parse_requirements(requires),
installer=self.fetch_build_egg,
replace_conflicting=True,
)
for dist in resolved_dists:
pkg_resources.working_set.add(dist, replace=True)
return resolved_dists
def check_requirements(dist, attr, value):
"""Verify that install_requires is a valid requirements list"""
try:
list(pkg_resources.parse_requirements(value))
except (TypeError, ValueError) as error:
tmpl = (
"{attr!r} must be a string or list of strings "
"containing valid project/version requirement specifiers; {error}"
)
raise DistutilsSetupError(tmpl.format(attr=attr, error=error))
def _convert_extras_requirements(self):
"""
Convert requirements in `extras_require` of the form
`"extra": ["barbazquux; {marker}"]` to
`"extra:{marker}": ["barbazquux"]`.
"""
spec_ext_reqs = getattr(self, 'extras_require', None) or {}
self._tmp_extras_require = defaultdict(list)
for section, v in spec_ext_reqs.items():
# Do not strip empty sections.
self._tmp_extras_require[section]
for r in pkg_resources.parse_requirements(v):
suffix = self._suffix_for(r)
self._tmp_extras_require[section + suffix].append(r)
def fetch_build_eggs(self, requires):
"""Resolve pre-setup requirements"""
resolved_dists = pkg_resources.working_set.resolve(
pkg_resources.parse_requirements(requires),
installer=self.fetch_build_egg,
replace_conflicting=True,
)
for dist in resolved_dists:
pkg_resources.working_set.add(dist, replace=True)
return resolved_dists
def check_extras(dist, attr, value):
"""Verify that extras_require mapping is valid"""
try:
for k, v in value.items():
if ':' in k:
k, m = k.split(':', 1)
if pkg_resources.invalid_marker(m):
raise DistutilsSetupError("Invalid environment marker: " + m)
list(pkg_resources.parse_requirements(v))
except (TypeError, ValueError, AttributeError):
raise DistutilsSetupError(
"'extras_require' must be a dictionary whose values are "
"strings or lists of strings containing valid project/version "
"requirement specifiers."
)
def check_requirements(dist, attr, value):
"""Verify that install_requires is a valid requirements list"""
try:
list(pkg_resources.parse_requirements(value))
except (TypeError, ValueError) as error:
tmpl = (
"{attr!r} must be a string or list of strings "
"containing valid project/version requirement specifiers; {error}"
)
raise DistutilsSetupError(tmpl.format(attr=attr, error=error))
def fetch_build_eggs(self, requires):
"""Resolve pre-setup requirements"""
resolved_dists = pkg_resources.working_set.resolve(
pkg_resources.parse_requirements(requires),
installer=self.fetch_build_egg,
replace_conflicting=True,
)
for dist in resolved_dists:
pkg_resources.working_set.add(dist, replace=True)
return resolved_dists
