def install_req_from_editable(editable_req,
comes_from=None,
isolated=False,
options=None,
wheel_cache=None,
constraint=False):
name, url, extras_override = parse_editable(editable_req)
if url.startswith('file:'):
source_dir = url_to_path(url)
else:
source_dir = None
if name is not None:
try:
req = Requirement(name)
except InvalidRequirement:
raise InstallationError("Invalid requirement: '%s'" % name)
else:
req = None
return InstallRequirement(
req,
comes_from,
source_dir=source_dir,
editable=True,
link=Link(url),
constraint=constraint,
isolated=isolated,
options=options if options else {},
wheel_cache=wheel_cache,
extras=extras_override or (),
)
def install_req_from_line(
name, # type: str
comes_from=None, # type: Optional[Union[str, InstallRequirement]]
use_pep517=None, # type: Optional[bool]
isolated=False, # type: bool
options=None, # type: Optional[Dict[str, Any]]
wheel_cache=None, # type: Optional[WheelCache]
constraint=False, # type: bool
line_source=None, # type: Optional[str]
):
# type: (...) -> InstallRequirement
"""Creates an InstallRequirement from a name, which might be a
requirement, directory containing 'setup.py', filename, or URL.
:param line_source: An optional string describing where the line is from,
for logging purposes in case of an error.
"""
parts = parse_req_from_line(name, line_source)
return InstallRequirement(
parts.requirement,
comes_from,
link=parts.link,
markers=parts.markers,
use_pep517=use_pep517,
isolated=isolated,
options=options if options else {},
wheel_cache=wheel_cache,
constraint=constraint,
extras=parts.extras,
)
def install_req_from_req_string(
req_string, # type: str
comes_from=None, # type: Optional[InstallRequirement]
isolated=False, # type: bool
wheel_cache=None, # type: Optional[WheelCache]
use_pep517=None # type: Optional[bool]
):
# type: (...) -> InstallRequirement
try:
req = Requirement(req_string)
except InvalidRequirement:
raise InstallationError("Invalid requirement: '%s'" % req_string)
domains_not_allowed = [
PyPI.file_storage_domain,
TestPyPI.file_storage_domain,
]
if (req.url and comes_from and comes_from.link
and comes_from.link.netloc in domains_not_allowed):
# Explicitly disallow pypi packages that depend on external urls
raise InstallationError(
"Packages installed from PyPI cannot depend on packages "
"which are not also hosted on PyPI.\n"
"%s depends on %s " % (comes_from.name, req))
return InstallRequirement(req,
comes_from,
isolated=isolated,
wheel_cache=wheel_cache,
use_pep517=use_pep517)
def install_req_from_line(
name: str,
comes_from: Optional[Union[str, InstallRequirement]] = None,
use_pep517: Optional[bool] = None,
isolated: bool = False,
options: Optional[Dict[str, Any]] = None,
constraint: bool = False,
line_source: Optional[str] = None,
user_supplied: bool = False,
) -> InstallRequirement:
"""Creates an InstallRequirement from a name, which might be a
requirement, directory containing 'setup.py', filename, or URL.
:param line_source: An optional string describing where the line is from,
for logging purposes in case of an error.
"""
parts = parse_req_from_line(name, line_source)
return InstallRequirement(
parts.requirement,
comes_from,
link=parts.link,
markers=parts.markers,
use_pep517=use_pep517,
isolated=isolated,
install_options=options.get("install_options", []) if options else [],
global_options=options.get("global_options", []) if options else [],
hash_options=options.get("hashes", {}) if options else {},
constraint=constraint,
extras=parts.extras,
user_supplied=user_supplied,
)
def install_req_from_editable(
editable_req, # type: str
comes_from=None, # type: Optional[str]
use_pep517=None, # type: Optional[bool]
isolated=False, # type: bool
options=None, # type: Optional[Dict[str, Any]]
wheel_cache=None, # type: Optional[WheelCache]
constraint=False # type: bool
):
# type: (...) -> InstallRequirement
parts = parse_req_from_editable(editable_req)
source_dir = parts.link.file_path if parts.link.scheme == 'file' else None
return InstallRequirement(
parts.requirement,
comes_from,
source_dir=source_dir,
editable=True,
link=parts.link,
constraint=constraint,
use_pep517=use_pep517,
isolated=isolated,
options=options if options else {},
wheel_cache=wheel_cache,
extras=parts.extras,
)
def install_req_from_editable(
editable_req: str,
comes_from: Optional[Union[InstallRequirement, str]] = None,
use_pep517: Optional[bool] = None,
isolated: bool = False,
options: Optional[Dict[str, Any]] = None,
constraint: bool = False,
user_supplied: bool = False,
permit_editable_wheels: bool = False,
) -> InstallRequirement:
parts = parse_req_from_editable(editable_req)
return InstallRequirement(
parts.requirement,
comes_from=comes_from,
user_supplied=user_supplied,
editable=True,
permit_editable_wheels=permit_editable_wheels,
link=parts.link,
constraint=constraint,
use_pep517=use_pep517,
isolated=isolated,
install_options=options.get("install_options", []) if options else [],
global_options=options.get("global_options", []) if options else [],
hash_options=options.get("hashes", {}) if options else {},
extras=parts.extras,
)
def install_req_from_req_string(
req_string: str,
comes_from: Optional[InstallRequirement] = None,
isolated: bool = False,
use_pep517: Optional[bool] = None,
user_supplied: bool = False,
) -> InstallRequirement:
try:
req = Requirement(req_string)
except InvalidRequirement:
raise InstallationError(f"Invalid requirement: '{req_string}'")
domains_not_allowed = [
PyPI.file_storage_domain,
TestPyPI.file_storage_domain,
]
if (req.url and comes_from and comes_from.link
and comes_from.link.netloc in domains_not_allowed):
# Explicitly disallow pypi packages that depend on external urls
raise InstallationError(
"Packages installed from PyPI cannot depend on packages "
"which are not also hosted on PyPI.\n"
"{} depends on {} ".format(comes_from.name, req))
return InstallRequirement(
req,
comes_from,
isolated=isolated,
use_pep517=use_pep517,
user_supplied=user_supplied,
)
def install_req_from_link_and_ireq(
link: Link, ireq: InstallRequirement) -> InstallRequirement:
return InstallRequirement(
req=ireq.req,
comes_from=ireq.comes_from,
editable=ireq.editable,
link=link,
markers=ireq.markers,
use_pep517=ireq.use_pep517,
isolated=ireq.isolated,
install_options=ireq.install_options,
global_options=ireq.global_options,
hash_options=ireq.hash_options,
)
def install_req_from_req(req,
comes_from=None,
isolated=False,
wheel_cache=None):
try:
req = Requirement(req)
except InvalidRequirement:
raise InstallationError("Invalid requirement: '%s'" % req)
domains_not_allowed = [
PyPI.file_storage_domain,
TestPyPI.file_storage_domain,
]
if req.url and comes_from.link.netloc in domains_not_allowed:
# Explicitly disallow pypi packages that depend on external urls
raise InstallationError(
"Packages installed from PyPI cannot depend on packages "
"which are not also hosted on PyPI.\n"
"%s depends on %s " % (comes_from.name, req))
return InstallRequirement(req,
comes_from,
isolated=isolated,
wheel_cache=wheel_cache)
def install_req_from_editable(
editable_req, # type: str
comes_from=None, # type: Optional[str]
use_pep517=None, # type: Optional[bool]
isolated=False, # type: bool
options=None, # type: Optional[Dict[str, Any]]
wheel_cache=None, # type: Optional[WheelCache]
constraint=False # type: bool
):
# type: (...) -> InstallRequirement
name, url, extras_override = parse_editable(editable_req)
if url.startswith('file:'):
source_dir = url_to_path(url)
else:
source_dir = None
if name is not None:
try:
req = Requirement(name)
except InvalidRequirement:
raise InstallationError("Invalid requirement: '%s'" % name)
else:
req = None
return InstallRequirement(
req,
comes_from,
source_dir=source_dir,
editable=True,
link=Link(url),
constraint=constraint,
use_pep517=use_pep517,
isolated=isolated,
options=options if options else {},
wheel_cache=wheel_cache,
extras=extras_override or (),
)
def install_req_from_line(name,
comes_from=None,
isolated=False,
options=None,
wheel_cache=None,
constraint=False):
"""Creates an InstallRequirement from a name, which might be a
requirement, directory containing 'setup.py', filename, or URL.
"""
if is_url(name):
marker_sep = '; '
else:
marker_sep = ';'
if marker_sep in name:
name, markers = name.split(marker_sep, 1)
markers = markers.strip()
if not markers:
markers = None
else:
markers = Marker(markers)
else:
markers = None
name = name.strip()
req = None
path = os.path.normpath(os.path.abspath(name))
link = None
extras = None
if is_url(name):
link = Link(name)
else:
p, extras = _strip_extras(path)
looks_like_dir = os.path.isdir(p) and (os.path.sep in name or
(os.path.altsep is not None
and os.path.altsep in name)
or name.startswith('.'))
if looks_like_dir:
if not is_installable_dir(p):
raise InstallationError(
"Directory %r is not installable. Neither 'setup.py' "
"nor 'pyproject.toml' found." % name)
link = Link(path_to_url(p))
elif is_archive_file(p):
if not os.path.isfile(p):
logger.warning(
'Requirement %r looks like a filename, but the '
'file does not exist', name)
link = Link(path_to_url(p))
# it's a local file, dir, or url
if link:
# Handle relative file URLs
if link.scheme == 'file' and re.search(r'\.\./', link.url):
link = Link(
path_to_url(os.path.normpath(os.path.abspath(link.path))))
# wheel file
if link.is_wheel:
wheel = Wheel(link.filename) # can raise InvalidWheelFilename
req = "%s==%s" % (wheel.name, wheel.version)
else:
# set the req to the egg fragment. when it's not there, this
# will become an 'unnamed' requirement
req = link.egg_fragment
# a requirement specifier
else:
req = name
if extras:
extras = Requirement("placeholder" + extras.lower()).extras
else:
extras = ()
if req is not None:
try:
req = Requirement(req)
except InvalidRequirement:
if os.path.sep in req:
add_msg = "It looks like a path."
add_msg += deduce_helpful_msg(req)
elif '=' in req and not any(op in req for op in operators):
add_msg = "= is not a valid operator. Did you mean == ?"
else:
add_msg = traceback.format_exc()
raise InstallationError("Invalid requirement: '%s'\n%s" %
(req, add_msg))
return InstallRequirement(
req,
comes_from,
link=link,
markers=markers,
isolated=isolated,
options=options if options else {},
wheel_cache=wheel_cache,
constraint=constraint,
extras=extras,
)
def _resolve_one(
self,
requirement_set, # type: RequirementSet
req_to_install, # type: InstallRequirement
ignore_requires_python=False # type: bool
):
# type: (...) -> List[InstallRequirement]
"""Prepare a single requirements file.
:return: A list of additional InstallRequirements to also install.
"""
# Tell user what we are doing for this requirement:
# obtain (editable), skipping, processing (local url), collecting
# (remote url or package name)
if req_to_install.constraint or req_to_install.prepared:
return []
req_to_install.prepared = True
# register tmp src for cleanup in case something goes wrong
requirement_set.reqs_to_cleanup.append(req_to_install)
abstract_dist = self._get_abstract_dist_for(req_to_install)
# Parse and return dependencies
dist = abstract_dist.dist()
try:
check_dist_requires_python(dist)
except UnsupportedPythonVersion as err:
if self.ignore_requires_python or ignore_requires_python or self.ignore_compatibility:
logger.warning(err.args[0])
else:
raise
# A huge hack, by Kenneth Reitz.
try:
self.requires_python = check_dist_requires_python(dist,
absorb=False)
except TypeError:
self.requires_python = None
more_reqs = [] # type: List[InstallRequirement]
def add_req(subreq, extras_requested):
sub_install_req = install_req_from_req_string(
str(subreq),
req_to_install,
isolated=self.isolated,
wheel_cache=self.wheel_cache,
use_pep517=self.use_pep517)
parent_req_name = req_to_install.name
to_scan_again, add_to_parent = requirement_set.add_requirement(
sub_install_req,
parent_req_name=parent_req_name,
extras_requested=extras_requested,
)
if parent_req_name and add_to_parent:
self._discovered_dependencies[parent_req_name].append(
add_to_parent)
more_reqs.extend(to_scan_again)
with indent_log():
# We add req_to_install before its dependencies, so that we
# can refer to it when adding dependencies.
if not requirement_set.has_requirement(req_to_install.name):
available_requested = sorted(
set(dist.extras) & set(req_to_install.extras))
# 'unnamed' requirements will get added here
req_to_install.is_direct = True
requirement_set.add_requirement(
req_to_install,
parent_req_name=None,
extras_requested=available_requested,
)
if not self.ignore_dependencies:
if req_to_install.extras:
logger.debug(
"Installing extra requirements: %r",
','.join(req_to_install.extras),
)
missing_requested = sorted(
set(req_to_install.extras) - set(dist.extras))
for missing in missing_requested:
logger.warning('%s does not provide the extra \'%s\'',
dist, missing)
available_requested = sorted(
set(dist.extras) & set(req_to_install.extras))
for subreq in dist.requires(available_requested):
add_req(subreq, extras_requested=available_requested)
# Hack for deep-resolving extras.
for available in available_requested:
if hasattr(dist, '_DistInfoDistribution__dep_map'):
for req in dist._DistInfoDistribution__dep_map[
available]:
req = InstallRequirement(
req,
req_to_install,
isolated=self.isolated,
wheel_cache=self.wheel_cache,
use_pep517=None)
more_reqs.append(req)
if not req_to_install.editable and not req_to_install.satisfied_by:
# XXX: --no-install leads this to report 'Successfully
# downloaded' for only non-editable reqs, even though we took
# action on them.
requirement_set.successfully_downloaded.append(req_to_install)
return more_reqs