def has_dist(dist):
try:
distribution(dist)
return True
except PackageNotFoundError:
pass
return False
def _get_version():
"""
@return: Version Number
"""
try:
from sys import version_info
if version_info[0] < 3 or (version_info[0] and version_info[1] < 8):
from importlib_metadata import PackageNotFoundError, distribution
try:
dist = distribution("splunk_eventgen")
return dist.version
except PackageNotFoundError:
return "dev"
else:
# module change in python 3.8
from importlib.metadata import PackageNotFoundError, distribution
try:
dist = distribution("splunk_eventgen")
return dist.version
except PackageNotFoundError:
return "dev"
except ImportError:
return "Unknown"
except ModuleNotFoundError:
return "Unknown"
except Exception:
return "Unknown"
def uncached_distribution_perf():
"uncached distribution"
import importlib
import importlib_metadata
# end warmup
importlib.invalidate_caches()
importlib_metadata.distribution('ipython')
def _first_available_package(*package_list):
for package in package_list:
try:
importlib_metadata.distribution(package)
except importlib_metadata.PackageNotFoundError:
continue
return package
return None
def from_name(cls, name: str) -> Package:
"""
Return a package instance from its distribution name.
A factory class method that returns a package with its name and version, as
well as requirements.
Args:
name: A package's distribution name.
Returns:
A package instance with its version and requirements if it is installed in
the current environment; otherwise only the name is set whereas the version
and requirements are empty.
"""
name = cls._normalize_name(name)
try:
dist = distribution(name)
except PackageNotFoundError:
result = cls(name=name, version=None, requirements=[])
else:
result = cls(
name=name,
version=dist.version,
requirements=[]
if dist.requires is None
else [cls._normalize_name(cls._get_name(req)) for req in dist.requires],
)
return result
def element_factory(session):
element_factory = session.get_service("element_factory")
dist = importlib_metadata.distribution("gaphor")
path = dist.locate_file("test-diagrams/issue_53.gaphor")
load(path, element_factory)
yield element_factory
element_factory.shutdown()
def test_load_save(self):
"""Test loading and saving models"""
dist = importlib_metadata.distribution("gaphor")
path = dist.locate_file("test-diagrams/simple-items.gaphor")
with open(path, "r") as ifile:
storage.load(ifile, factory=self.element_factory)
pf = PseudoFile()
storage.save(XMLWriter(pf), factory=self.element_factory)
with open(path, "r") as ifile:
orig = ifile.read()
copy = pf.data
with open("tmp.gaphor", "w") as ofile:
ofile.write(copy)
expr = re.compile('gaphor-version="[^"]*"')
orig = expr.sub("%VER%", orig)
copy = expr.sub("%VER%", copy)
self.maxDiff = None
assert copy == orig, "Saved model does not match copy"
class Config:
encoding = encoding
format = 'text'
excludes = ['pip', 'setuptools', 'wheel', 'pkg-resources', project_name]
includes = list(
map(lambda r: REQUIREMENT.parseString(r)[0],
im.distribution(project_name).requires))
verbose = False
graph = False
outfile = cwd.joinpath(NOTICE_FILE).as_posix()
def __init__(self, **kwargs):
for key, val in kwargs.items():
setattr(self, key, val)
if self.graph:
self.includes.clear()
def exclude_package(self, name: str):
return self.excludes is not None and name in self.excludes
def include_package(self, name: str):
return not self.exclude_package(name) \
and self.includes is not None and name in self.includes
def keep_dist(self, dist: im.Distribution):
return self.include_package(dist.metadata['Name'])
def _describe_metadata_elements(group):
infos = {}
from datalad.support.entrypoints import iter_entrypoints
from importlib import import_module
if sys.version_info < (3, 10):
# 3.10 is when it was no longer provisional
from importlib_metadata import distribution
else:
from importlib.metadata import distribution
for ename, emod, eload in iter_entrypoints(group):
info = {}
infos[f'{ename}'] = info
try:
info['module'] = emod
dist = distribution(emod.split('.', maxsplit=1)[0])
info['distribution'] = f'{dist.name} {dist.version}'
mod = import_module(emod, package='datalad')
version = getattr(mod, '__version__', None)
if version:
# no not clutter the report with no version
info['version'] = version
eload()
info['load_error'] = None
except Exception as e:
ce = CapturedException(e)
info['load_error'] = ce.format_short()
continue
return infos
def get_package_version_without_import(name):
"""For given package name, try to find the version without importing it
Import and package.__version__ is still the backup here, so an import
*might* happen.
Returns either the version string, or None if the package
or the version was not readily found.
"""
if name in sys.modules:
mod = sys.modules[name]
if hasattr(mod, "__version__"):
return mod.__version__
if sys.version_info >= (3, 8):
try:
import importlib.metadata
return importlib.metadata.distribution(name).version
except: # noqa: E722
pass
else:
try:
import importlib_metadata
return importlib_metadata.distribution(name).version
except: # noqa: E722
pass
try:
import importlib
mod = importlib.import_module(name)
return mod.__version__
except (ImportError, AttributeError):
return None
def about(self):
logo_file = importlib_metadata.distribution("gaphor").locate_file(
"gaphor/ui/pixmaps/gaphor-96x96.png"
)
logo = GdkPixbuf.Pixbuf.new_from_file(str(logo_file))
about = Gtk.AboutDialog.new()
about.set_logo(logo)
about.set_title("About Gaphor")
about.set_program_name("Gaphor")
about.set_comments("Gaphor is the simple modeling tool written in Python")
about.set_version(str(__version__))
about.set_copyright("Copyright (c) 2001-2019 Arjan J. Molenaar and Dan Yeaw")
about.set_license(
"This software is published under the terms of the\n"
"Apache Software License, version 2.0.\n"
"See the LICENSE.txt file for details."
)
about.set_website("https://github.com/gaphor/gaphor")
about.set_website_label("Fork me on GitHub")
about.set_authors(
[
"Arjan Molenaar, Artur Wroblewski,",
"Jeroen Vloothuis, Dan Yeaw, ",
"Enno Groeper, Adam Boduch, ",
"Alexis Howells, Melis Doğan",
]
)
about.set_translator_credits(
"Jordi Mallach (ca), " "Antonin Delpeuch (fr), " "Ygor Mutti (pt_BR)"
)
about.set_transient_for(self.main_window.window)
about.show_all()
about.run()
about.destroy()
def load(self) -> "Porcupine":
"""Load Porcupine object."""
dist = importlib_metadata.distribution("pvporcupine")
porcupine_paths = [
f
for f in cast(List[importlib_metadata.PackagePath], dist.files)
if f.name == "porcupine.py"
]
if not porcupine_paths:
raise RuntimeError("Unable to find porcupine.py in pvporcupine package")
porcupine_path = porcupine_paths[0].locate().parent
lib_path = porcupine_path.parent.parent
sys.path.append(str(porcupine_path))
if not TYPE_CHECKING:
# pylint: disable=import-outside-toplevel, import-error
from porcupine import Porcupine
return Porcupine(
library_path=str(self._library_path(lib_path)),
model_file_path=str(self._model_file_path(lib_path)),
keyword_file_path=str(self._keyword_file_path(lib_path)),
sensitivity=0.5,
)
def get_importname_from_package(package_name: str) -> str:
"""
Try to fetch the name of the top-level import name for the given
package. For some reason, this isn't straightforward.
For now, we do not support distribution packages that contains
multiple top-level packages.
"""
try:
dist = importlib_metadata.distribution(package_name)
except importlib_metadata.PackageNotFoundError:
raise DiscoveryFailed("Package {p} not found ".format(p=package_name))
try:
packages = dist.top_level
except FileNotFoundError:
raise DiscoveryFailed(
"failed to load package {p} metadata. "
"Was the package installed properly?".format(p=package_name))
if len(packages) > 1:
raise DiscoveryFailed(
"Package {p} contains multiple top-level packages. "
"Unable to discover from multiple packages.".format(
p=package_name))
return packages[0]
def handler():
try:
dist = importlib_metadata.distribution("gaphor")
path = dist.locate_file("test-diagrams/diagram-#4.gaphor")
load(path, self.element_factory)
finally:
Gtk.main_quit()
def test_loading():
dist = importlib_metadata.distribution("gaphor")
model_file = dist.locate_file("tests/test-model.gaphor")
outfile = PseudoFile()
generate(model_file, outfile)
assert outfile.data == GENERATED, '"""%s"""' % outfile.data
def _get_version():
fallback = '0.0.0.dev0'
try:
dist = distribution(__package__)
except PackageNotFoundError:
return fallback
inst_loc = str(dist.locate_file(join(__package__, '__version__.py')))
return dist.version if inst_loc == __file__ else fallback
def inflate(req: Dict[str, str], licenses: Dict[str, str]):
pkg = req['name']
dist = distribution(pkg)
record = dict(package=pkg)
record["version"] = f"{dist.metadata['Version']}"
record["url"] = f"{dist.metadata['Home-page']}"
record["license"] = f"{dist.metadata['License']}"
record["license_text"] = licenses.get(pkg, "")
return record
def element_factory():
Application.init()
element_factory = Application.get_service("element_factory")
dist = importlib_metadata.distribution("gaphor")
path = dist.locate_file("test-diagrams/issue_53.gaphor")
load(path, element_factory)
yield element_factory
Application.get_service("element_factory").shutdown()
Application.shutdown()
def test_bug(self):
"""
Load file.
This does not nearly resemble the error, since the model should
be loaded from within the mainloop (which will delay all updates).
"""
dist = importlib_metadata.distribution("gaphor")
path = dist.locate_file("test-diagrams/diagram-#4.gaphor")
load(path, self.element_factory)
def test_load_uml_metamodel(self):
"""
Test if the meta model can be loaded.
"""
dist = importlib_metadata.distribution("gaphor")
path = dist.locate_file("gaphor/UML/uml2.gaphor")
with open(path) as ifile:
storage.load(ifile, factory=self.element_factory)
def test_loading_an_old_version(self):
"""Test loading and saving models"""
dist = importlib_metadata.distribution("gaphor")
path = dist.locate_file("test-diagrams/old-gaphor-version.gaphor")
def load_old_model():
with io.open(path, "r") as ifile:
storage.load(ifile, factory=self.element_factory)
self.assertRaises(ValueError, load_old_model)
def _get_importlib_metadata_entry_points(package_name): # type: (str) -> None
"""Retrieve information about entry-points for the given package."""
import sys
import importlib_metadata
import json
entry_points = importlib_metadata.distribution(package_name).entry_points
print(
json.dumps([{
"name": ep.name,
"value": ep.value,
"group": ep.group
} for ep in entry_points]))
sys.exit(0)
def get_extension_status(self) -> Optional[ExtensionStatus]:
ext_name = self.name.split(".")[0]
source_package_name = self.__class__.__module__.split(".")[0]
# workaround for #2586
package_name = "inmanta-core" if source_package_name == "inmanta" else source_package_name
try:
distribution = importlib_metadata.distribution(package_name)
return ExtensionStatus(name=ext_name, package=ext_name, version=distribution.version)
except importlib_metadata.PackageNotFoundError:
LOGGER.info(
"Package %s of slice %s is not packaged in a distribution. Unable to determine its extension.",
package_name,
self.name,
)
return None
def test_entry_points_by_index(self):
"""
Prior versions of Distribution.entry_points would return a
tuple that allowed access by index.
Capture this now deprecated use-case
See python/importlib_metadata#300 and bpo-44246.
"""
eps = distribution('distinfo-pkg').entry_points
with suppress_known_deprecation() as caught:
eps[0]
# check warning
expected = next(iter(caught))
assert expected.category is DeprecationWarning
assert "Accessing entry points by index is deprecated" in str(expected)
def version_info(parser):
versions = OrderedDict()
to_visit = {"tox"}
while to_visit:
current = to_visit.pop()
current_dist = importlib_metadata.distribution(current)
current_name = canonicalize_name(current_dist.metadata["name"])
versions[current_name] = current_dist.version
if current_dist.requires is not None:
for require in current_dist.requires:
pkg = Requirement(require)
pkg_name = canonicalize_name(pkg.name)
if (pkg.marker is None or pkg.marker.evaluate(
{"extra": ""})) and pkg_name not in versions:
to_visit.add(pkg_name)
set_section(parser, "tox:versions", versions)
def main(package, template, output):
"""recursive dependency pinning for package"""
pinned_dep_graph = []
deps = []
package_deps(package, deps)
for d in sorted(deps):
pinned_dep_graph.append('%s==%s' % (d, pkgmd.distribution(d).version))
if not template and output:
print('\n'.join(pinned_dep_graph))
return
with open(template) as fh:
t = jinja2.Template(fh.read(), trim_blocks=True, lstrip_blocks=True)
with open(output, 'w') as fh:
fh.write(t.render(pinned_packages=pinned_dep_graph))
def main():
parser = argparse.ArgumentParser()
parser.add_argument('pkg')
parser.add_argument('--include-extras', action='store_true')
args = parser.parse_args()
pkgname, *_ = args.pkg.partition('==')
with tempfile.TemporaryDirectory() as tmp:
cmd = ('pip', 'wheel', '--no-deps', args.pkg, '-w', tmp)
subprocess.check_call(cmd, stdout=subprocess.DEVNULL)
filename, = os.listdir(tmp)
filename = os.path.join(tmp, filename)
with onpath(filename):
print('*' * 79)
print(f'{args.pkg}:')
dist = importlib_metadata.distribution(pkgname)
for req in dist.metadata.get_all('requires-dist'):
if not args.include_extras and 'extra == ' in req:
continue
print(f'- {req}')
def test_message_item_upgrade(element_factory):
"""
"""
dist = importlib_metadata.distribution("gaphor")
path = dist.locate_file("test-diagrams/multiple-messages.gaphor")
elements = parse(path)
load_elements(elements, element_factory)
diagram = element_factory.lselect(lambda e: e.isKindOf(UML.Diagram))[0]
items = diagram.canvas.get_root_items()
message_items = [
i for i in items if isinstance(i, diagramitems.MessageItem)
]
subjects = [m.subject for m in message_items]
messages = element_factory.lselect(lambda e: e.isKindOf(UML.Message))
presentations = [m.presentation for m in messages]
assert len(messages) == 10
assert all(subjects), subjects
assert len(message_items) == 10
assert all(presentations), presentations
def get_version_using_importlib_metadata(module # type: ModuleType
):
# type: (...) -> str
"""
Uses the importlib_metadata backport to read the version.
See https://importlib-metadata.readthedocs.io/en/latest/using.html#overview
Note: unfortunately this provides very bad answers in some cases (e.g. when the module is built-in)
so we have to protect against them
:param module:
:return:
"""
# CAN RETURN SOMETHING CRAZY (the version of another distribution!)
# return version(module.__name__)
# WORKAROUND: proceed carefully and protect against crazy answers
from importlib_metadata import distribution
dist = distribution(module.__name__)
# we have to do this sanity check
if dist.metadata['Name'] == module.__name__:
return dist.version
def get_pkg_info(
package_name: str,
additional: Iterable[str] = ("pip", "flit", "pbr", "poetry", "setuptools",
"wheel"),
) -> Dict[str, str]:
"""Return build and package dependencies as a dict."""
dist = distribution(package_name)
dependencies = {package_name: dist.version}
for requirement in dist.requires:
try:
pkg, ver = _get_package_version(requirement)
except PackageNotFoundError:
dependencies[requirement] = "not installed"
else:
dependencies[pkg] = ver
for name in additional:
try:
pkg, ver = _get_package_version(name)
except PackageNotFoundError:
continue
else:
dependencies[pkg] = ver
return dependencies
def test_missing_metadata(self):
distribution = importlib_metadata.distribution('example')
self.assertIsNone(distribution.read_text('does not exist'))
def test_for_name_does_not_exist(self):
with self.assertRaises(importlib_metadata.PackageNotFoundError):
importlib_metadata.distribution('does-not-exist')
def test_for_top_level(self):
distribution = importlib_metadata.distribution('importlib_metadata')
self.assertEqual(
distribution.read_text('top_level.txt').strip(),
'importlib_metadata')
