def from_line(cls, line, editable=None, extras=None):
relpath = None
if line.startswith("-e "):
editable = True
line = line.split(" ", 1)[1]
vcs_type, prefer, relpath, path, uri, link = cls.get_link_from_line(
line)
if not extras and link.egg_fragment:
name, extras = _strip_extras(link.egg_fragment)
if extras:
extras = parse_extras(extras)
else:
name = link.egg_fragment
subdirectory = link.subdirectory_fragment
ref = None
if "@" in link.show_url and "@" in uri:
uri, ref = uri.rsplit("@", 1)
if relpath and "@" in relpath:
relpath, ref = relpath.rsplit("@", 1)
return cls(name=name,
ref=ref,
vcs=vcs_type,
subdirectory=subdirectory,
link=link,
path=relpath or path,
editable=editable,
uri=uri,
extras=extras,
base_line=line)
def pipfile_part(self):
excludes = ["_repo", "_base_line", "setup_path", "_has_hashed_name"]
filter_func = lambda k, v: bool(v) is True and k.name not in excludes
pipfile_dict = attr.asdict(self, filter=filter_func).copy()
if "vcs" in pipfile_dict:
pipfile_dict = self._choose_vcs_source(pipfile_dict)
name, _ = _strip_extras(pipfile_dict.pop("name"))
return {name: pipfile_dict}
def pipfile_part(self):
pipfile_dict = attr.asdict(
self,
filter=lambda k, v: bool(v) is True and k.name != '_repo').copy()
if "vcs" in pipfile_dict:
pipfile_dict = self._choose_vcs_source(pipfile_dict)
name, _ = _strip_extras(pipfile_dict.pop("name"))
return {name: pipfile_dict}
def from_line(cls, line):
from pip_shims import InstallRequirement
if isinstance(line, InstallRequirement):
line = format_requirement(line)
hashes = None
if "--hash=" in line:
hashes = line.split(" --hash=")
line, hashes = hashes[0], hashes[1:]
editable = line.startswith("-e ")
line = line.split(" ", 1)[1] if editable else line
line, markers = split_markers_from_line(line)
line, extras = _strip_extras(line)
specifiers = ''
if extras:
extras = parse_extras(extras)
line = line.strip('"').strip("'").strip()
line_with_prefix = "-e {0}".format(line) if editable else line
vcs = None
# Installable local files and installable non-vcs urls are handled
# as files, generally speaking
line_is_vcs = is_vcs(line)
if is_installable_file(line) or (
(is_file_url(line) or is_valid_url(line)) and not line_is_vcs):
r = FileRequirement.from_line(line_with_prefix)
elif line_is_vcs:
r = VCSRequirement.from_line(line_with_prefix, extras=extras)
vcs = r.vcs
elif line == "." and not is_installable_file(line):
raise RequirementError(
"Error parsing requirement %s -- are you sure it is installable?"
% line)
else:
specs = "!=<>~"
spec_matches = set(specs) & set(line)
version = None
name = line
if spec_matches:
spec_idx = min((line.index(match) for match in spec_matches))
name = line[:spec_idx]
version = line[spec_idx:]
specifiers = version
if not extras:
name, extras = _strip_extras(name)
if extras:
extras = parse_extras(extras)
if version:
name = "{0}{1}".format(name, version)
r = NamedRequirement.from_line(line)
req_markers = None
if markers:
req_markers = PackagingRequirement("fakepkg; {0}".format(markers))
r.req.marker = getattr(req_markers, "marker", None)
r.req.local_file = getattr(r.req, "local_file", False)
name = getattr(r.req, "name", None)
if not name:
name = getattr(r.req, "project_name", None)
r.req.name = name
if not name:
name = getattr(r.req, "key", None)
if name:
r.req.name = name
args = {
"name": r.name,
"vcs": vcs,
"req": r,
"markers": markers,
"editable": editable,
}
if extras:
extras = sorted(dedup([extra.lower() for extra in extras]))
args["extras"] = extras
r.req.extras = extras
r.extras = extras
elif r.extras:
args["extras"] = sorted(
dedup([extra.lower() for extra in r.extras]))
if hashes:
args["hashes"] = hashes
return cls(**args)
def pipfile_part(self):
pipfile_dict = attr.asdict(self, filter=filter_none).copy()
if "vcs" in pipfile_dict:
pipfile_dict = self._choose_vcs_source(pipfile_dict)
name, _ = _strip_extras(pipfile_dict.pop("name"))
return {name: pipfile_dict}