def solve(specs: List[str], r: Resolve) -> Union[bool, Iterable[str]]:
features = set() # type: Set
for spec in specs:
if conda.config.platform == 'win32' and spec == 'python':
continue
# XXX: This does not work when a spec only contains the name,
# and different versions of the package have different features.
ms = MatchSpec(spec)
for pkg in r.get_pkgs(ms, max_only=False):
fn = pkg.fn
features.update(r.track_features(fn))
for spec in specs:
for pkg in r.get_pkgs(MatchSpec(spec), max_only=False):
fn = pkg.fn
r.update_with_features(fn, features)
print("Solving package specifications: ", end='')
try:
return r.explicit(specs) or r.solve2(specs,
features,
installed=(),
minimal_hint=False,
guess=False,
unsat_only=True)
except RuntimeError:
print('\n')
return False
def solve(specs: List[str], r: Resolve) -> Union[bool, Iterable[str]]:
features = set() # type: Set
for spec in specs:
if conda.config.platform == 'win32' and spec == 'python':
continue
# XXX: This does not work when a spec only contains the name,
# and different versions of the package have different features.
ms = MatchSpec(spec)
for pkg in r.get_pkgs(ms, max_only=False):
fn = pkg.fn
features.update(r.track_features(fn))
for spec in specs:
for pkg in r.get_pkgs(MatchSpec(spec), max_only=False):
fn = pkg.fn
r.update_with_features(fn, features)
print("Solving package specifications: ", end='')
try:
return r.explicit(specs) or r.solve2(specs, features,
installed=(), minimal_hint=False, guess=False, unsat_only=True)
except RuntimeError:
print('\n')
return False
def test_no_features():
# Features that aren't specified shouldn't be selected.
r.msd_cache = {}
# Without this, there would be another solution including 'scipy-0.11.0-np16py26_p3.tar.bz2'.
assert r.solve2(["python 2.6*", "numpy 1.6*", "scipy 0.11*"], set(), returnall=True) == [
[
"numpy-1.6.2-py26_4.tar.bz2",
"openssl-1.0.1c-0.tar.bz2",
"python-2.6.8-6.tar.bz2",
"readline-6.2-0.tar.bz2",
"scipy-0.11.0-np16py26_3.tar.bz2",
"sqlite-3.7.13-0.tar.bz2",
"system-5.8-1.tar.bz2",
"tk-8.5.13-0.tar.bz2",
"zlib-1.2.7-0.tar.bz2",
]
]
assert r.solve2(["python 2.6*", "numpy 1.6*", "scipy 0.11*"], f_mkl, returnall=True) == [
[
"mkl-rt-11.0-p0.tar.bz2", # This,
"numpy-1.6.2-py26_p4.tar.bz2", # this,
"openssl-1.0.1c-0.tar.bz2",
"python-2.6.8-6.tar.bz2",
"readline-6.2-0.tar.bz2",
"scipy-0.11.0-np16py26_p3.tar.bz2", # and this are different.
"sqlite-3.7.13-0.tar.bz2",
"system-5.8-1.tar.bz2",
"tk-8.5.13-0.tar.bz2",
"zlib-1.2.7-0.tar.bz2",
]
]
index2 = index.copy()
index2["pandas-0.12.0-np16py27_0.tar.bz2"] = {
"build": "np16py27_0",
"build_number": 0,
"depends": ["dateutil", "numpy 1.6*", "python 2.7*", "pytz"],
"name": "pandas",
"requires": ["dateutil 1.5", "numpy 1.6", "python 2.7", "pytz"],
"version": "0.12.0",
}
# Make it want to choose the pro version by having it be newer.
index2["numpy-1.6.2-py27_p5.tar.bz2"] = {
"build": "py27_p5",
"build_number": 5,
"depends": ["mkl-rt 11.0", "python 2.7*"],
"features": "mkl",
"name": "numpy",
"pub_date": "2013-04-29",
"requires": ["mkl-rt 11.0", "python 2.7"],
"version": "1.6.2",
}
r2 = Resolve(index2)
# This should not pick any mkl packages (the difference here is that none
# of the specs directly have mkl versions)
assert r2.solve2(["pandas 0.12.0 np16py27_0", "python 2.7*"], set(), returnall=True) == [
[
"dateutil-2.1-py27_1.tar.bz2",
"numpy-1.6.2-py27_4.tar.bz2",
"openssl-1.0.1c-0.tar.bz2",
"pandas-0.12.0-np16py27_0.tar.bz2",
"python-2.7.5-0.tar.bz2",
"pytz-2013b-py27_0.tar.bz2",
"readline-6.2-0.tar.bz2",
"six-1.3.0-py27_0.tar.bz2",
"sqlite-3.7.13-0.tar.bz2",
"system-5.8-1.tar.bz2",
"tk-8.5.13-0.tar.bz2",
"zlib-1.2.7-0.tar.bz2",
]
]
assert (
r2.solve2(["pandas 0.12.0 np16py27_0", "python 2.7*"], f_mkl, returnall=True)[0]
== [
[
"dateutil-2.1-py27_1.tar.bz2",
"mkl-rt-11.0-p0.tar.bz2", # This
"numpy-1.6.2-py27_p5.tar.bz2", # and this are different.
"openssl-1.0.1c-0.tar.bz2",
"pandas-0.12.0-np16py27_0.tar.bz2",
"python-2.7.5-0.tar.bz2",
"pytz-2013b-py27_0.tar.bz2",
"readline-6.2-0.tar.bz2",
"six-1.3.0-py27_0.tar.bz2",
"sqlite-3.7.13-0.tar.bz2",
"system-5.8-1.tar.bz2",
"tk-8.5.13-0.tar.bz2",
"zlib-1.2.7-0.tar.bz2",
]
][0]
)
def test_no_features():
# Features that aren't specified shouldn't be selected.
r.msd_cache = {}
# Without this, there would be another solution including 'scipy-0.11.0-np16py26_p3.tar.bz2'.
assert r.solve2(['python 2.6*', 'numpy 1.6*', 'scipy 0.11*'], set(),
returnall=True) == [[
'numpy-1.6.2-py26_4.tar.bz2',
'openssl-1.0.1c-0.tar.bz2',
'python-2.6.8-6.tar.bz2',
'readline-6.2-0.tar.bz2',
'scipy-0.11.0-np16py26_3.tar.bz2',
'sqlite-3.7.13-0.tar.bz2',
'system-5.8-1.tar.bz2',
'tk-8.5.13-0.tar.bz2',
'zlib-1.2.7-0.tar.bz2',
]]
assert r.solve2(['python 2.6*', 'numpy 1.6*', 'scipy 0.11*'], f_mkl,
returnall=True) == [[
'mkl-rt-11.0-p0.tar.bz2', # This,
'numpy-1.6.2-py26_p4.tar.bz2', # this,
'openssl-1.0.1c-0.tar.bz2',
'python-2.6.8-6.tar.bz2',
'readline-6.2-0.tar.bz2',
'scipy-0.11.0-np16py26_p3.tar.bz2', # and this are different.
'sqlite-3.7.13-0.tar.bz2',
'system-5.8-1.tar.bz2',
'tk-8.5.13-0.tar.bz2',
'zlib-1.2.7-0.tar.bz2',
]]
index2 = index.copy()
index2["pandas-0.12.0-np16py27_0.tar.bz2"] = \
{
"build": "np16py27_0",
"build_number": 0,
"depends": [
"dateutil",
"numpy 1.6*",
"python 2.7*",
"pytz"
],
"name": "pandas",
"requires": [
"dateutil 1.5",
"numpy 1.6",
"python 2.7",
"pytz"
],
"version": "0.12.0"
}
# Make it want to choose the pro version by having it be newer.
index2["numpy-1.6.2-py27_p5.tar.bz2"] = \
{
"build": "py27_p5",
"build_number": 5,
"depends": [
"mkl-rt 11.0",
"python 2.7*"
],
"features": "mkl",
"name": "numpy",
"pub_date": "2013-04-29",
"requires": [
"mkl-rt 11.0",
"python 2.7"
],
"version": "1.6.2"
}
r2 = Resolve(index2)
# This should not pick any mkl packages (the difference here is that none
# of the specs directly have mkl versions)
assert r2.solve2(['pandas 0.12.0 np16py27_0', 'python 2.7*'], set(),
returnall=True) == [[
'dateutil-2.1-py27_1.tar.bz2',
'numpy-1.6.2-py27_4.tar.bz2',
'openssl-1.0.1c-0.tar.bz2',
'pandas-0.12.0-np16py27_0.tar.bz2',
'python-2.7.5-0.tar.bz2',
'pytz-2013b-py27_0.tar.bz2',
'readline-6.2-0.tar.bz2',
'six-1.3.0-py27_0.tar.bz2',
'sqlite-3.7.13-0.tar.bz2',
'system-5.8-1.tar.bz2',
'tk-8.5.13-0.tar.bz2',
'zlib-1.2.7-0.tar.bz2',
]]
assert r2.solve2(['pandas 0.12.0 np16py27_0', 'python 2.7*'], f_mkl,
returnall=True)[0] == [[
'dateutil-2.1-py27_1.tar.bz2',
'mkl-rt-11.0-p0.tar.bz2', # This
'numpy-1.6.2-py27_p5.tar.bz2', # and this are different.
'openssl-1.0.1c-0.tar.bz2',
'pandas-0.12.0-np16py27_0.tar.bz2',
'python-2.7.5-0.tar.bz2',
'pytz-2013b-py27_0.tar.bz2',
'readline-6.2-0.tar.bz2',
'six-1.3.0-py27_0.tar.bz2',
'sqlite-3.7.13-0.tar.bz2',
'system-5.8-1.tar.bz2',
'tk-8.5.13-0.tar.bz2',
'zlib-1.2.7-0.tar.bz2',
]][0]
from conda.api import get_index from conda.fetch import fetch_repodata url = 'file:///data/local/itpe/miniconda/conda-builds-scientific_software_stack_since_05_15/linux-64/' repo = fetch_repodata(url) from conda.resolve import Resolve, MatchSpec print repo r = Resolve(repo['packages']) r.solve(env_lts['packages'], features=set()) r.solve2(env_lts['packages'], features=set()) # conda.api.fetch_repodata is the underlying index loader. #index = get_index(channel_urls=channel_urls, # prepend=not args.override_channels, # use_cache=args.use_index_cache, # unknown=args.unknown, # json=args.json, # offline=args.offline) from conda.resolve import MatchSpec
