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MRG: switch to importlib.metadata from pkg_resources #546

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merged 2 commits into from
Dec 17, 2024
Merged

MRG: switch to importlib.metadata from pkg_resources #546

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ee2fd5d
switch from pkg_resources to importlib.metadata
ctb Dec 16, 2024
af34f0b
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ctb Dec 16, 2024
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45 changes: 8 additions & 37 deletions src/python/tests/sourmash_tst_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,7 @@
import collections
import pprint

import pkg_resources
from pkg_resources import Requirement, resource_filename, ResolutionError
import importlib.metadata
import traceback
from io import open # pylint: disable=redefined-builtin
from io import StringIO
Expand Down Expand Up @@ -61,46 +60,18 @@ def index_siglist(
return db


def scriptpath(scriptname="sourmash"):
"""Return the path to the scripts, in both dev and install situations."""
# note - it doesn't matter what the scriptname is here, as long as
# it's some script present in this version of sourmash.

path = os.path.join(os.path.dirname(__file__), "../")
if os.path.exists(os.path.join(path, scriptname)):
return path

path = os.path.join(os.path.dirname(__file__), "../../EGG-INFO/")
if os.path.exists(os.path.join(path, scriptname)):
return path

for path in os.environ["PATH"].split(":"):
if os.path.exists(os.path.join(path, scriptname)):
return path


def _runscript(scriptname):
"""Find & run a script with exec (i.e. not via os.system or subprocess)."""
namespace = {"__name__": "__main__"}
namespace["sys"] = globals()["sys"]

try:
pkg_resources.load_entry_point("sourmash", "console_scripts", scriptname)()
return 0
except pkg_resources.ResolutionError:
pass

path = scriptpath()

scriptfile = os.path.join(path, scriptname)
if os.path.isfile(scriptfile):
if os.path.isfile(scriptfile):
exec( # pylint: disable=exec-used
compile(open(scriptfile).read(), scriptfile, "exec"), namespace
)
return 0

return -1
entry_points = importlib.metadata.entry_points(
group="console_scripts", name="sourmash"
)
assert len(entry_points) == 1
smash_cli = tuple(entry_points)[0].load()
smash_cli()
return 0


ScriptResults = collections.namedtuple("ScriptResults", ["status", "out", "err"])
Expand Down
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