def invoke_install(path, *, dependency_group=None, **kwargs):
try:
call("install",
"--requirement",
dependency_group or "requirements.txt",
cwd=path)
except subprocess.CalledProcessError as e:
return e.returncode
return 0
def _old_installed_distributions(local: bool):
list_args = ["list"]
if local:
list_args.append("--local")
result = call(*list_args)
# result is of the form:
# <package_name> (<version>)
#
# or, if editable
# <package_name> (<version>, <location>)
#
# or, could be a warning line
ret = {}
pattern = re.compile(r"(.*) \((.*)\)")
for line in result.strip().split("\n"):
match = re.match(pattern, line)
if match:
name, paren = match.groups()
version, location = (paren.split(", ") + [None])[:2]
ret[name] = Distribution(name, version, location)
else:
# This is a warning line or some other output
pass
return ret
def version() -> str:
result = call("--version")
# result is of the form:
# pip <version> from <directory> (python <python version>)
return result.split(" ")[1]
def _new_installed_distributions():
result = call("list", "--format=columns")
# result is of the form:
# <package_name> <version>
#
# or, if editable
# <package_name> <version> <location>
# (with arbitrary spaces)
ret = {}
# Remove first two heder lines
lines = result.strip().split("\n")[2:]
for line in lines:
# Split on whitespace to get
# split = ['<name>', '<version>', '<location>'|None]
split = line.split() + [None]
name = split[0]
version = split[1]
location = split[2]
ret[name] = Distribution(name, version, location)
return ret
def _old_installed_distributions():
result = call('list')
# result is of the form:
# <package_name> (<version>)
#
# or, if editable
# <package_name> (<version>, <location>)
#
# or, could be a warning line
ret = {}
pattern = re.compile(r'(.*) \((.*)\)')
for line in result.strip().split('\n'):
match = re.match(pattern, line)
if match:
name, paren = match.groups()
version, location = (paren.split(', ') + [None])[:2]
ret[name] = Distribution(name, version, location)
else:
# This is a warning line or some other output
pass
return ret
def version():
result = call('--version')
# result is of the form:
# pip <version> from <directory> (python <python version>)
return result.split(' ')[1]
def hash(filename, algorithm='sha256'):
"""
Hash the given filename. Unavailable in `pip<8.0.0`
"""
if incompatible:
raise Incompatible
if algorithm not in ['sha256', 'sha384', 'sha512']:
raise InvalidArguments('Algorithm {} not supported'.format(algorithm))
result = call('hash', '--algorithm', algorithm, filename)
# result is of the form:
# <filename>:\n--hash=<algorithm>:<hash>\n
return result.strip().split(':')[-1]
def hash(filename: os.PathLike, algorithm: str = "sha256") -> str:
"""
Hash the given filename. Unavailable in `pip<8.0.0`
"""
if incompatible:
raise Incompatible
if algorithm not in ["sha256", "sha384", "sha512"]:
raise InvalidArguments("Algorithm {} not supported".format(algorithm))
result = call("hash", "--algorithm", algorithm, filename)
# result is of the form:
# <filename>:\n--hash=<algorithm>:<hash>\n
return result.strip().split(":")[-1]
def _new_installed_distributions(local: bool, paths: List[os.PathLike]):
list_args = ["list", "-v", "--format=json"]
if local:
list_args.append("--local")
for path in paths:
list_args.extend(["--path", str(path)])
result = call(*list_args)
ret = {}
# The returned JSON is an array of objects, each of which looks like this:
# { "name": "some-package", "version": "0.0.1", "location": "/path/", ... }
# The location key was introduced with pip 10.0.0b1, so we don't assume its
# presence.
for raw_dist in json.loads(result):
dist = Distribution(raw_dist["name"], raw_dist["version"],
raw_dist.get("location"))
ret[dist.name] = dist
return ret
def installed_distributions():
result = call('list', '--format=legacy')
# result is of the form:
# <package_name> (<version>)
#
# or, if editable
# <package_name> (<version>, <location>)
ret = {}
for line in result.strip().split('\n'):
# Split on the first whitespace to get
# split = ['<name>', '(<version>, <location>)']
split = line.split(' ', 1)
name = split[0]
# Strip the first/last parens, then split on the ', ' which may be
# between <version> and <location> (if not pad with None)
version, location = (split[1][1:-1].split(', ') + [None])[:2]
ret[name] = Distribution(name, version, location)
return ret
