def mamba_install(prefix, specs, args, env, *_, **kwargs):
# TODO: support all various ways this happens
init_api_context()
# Including 'nodefaults' in the channels list disables the defaults
channel_urls = [chan for chan in env.channels if chan != 'nodefaults']
if 'nodefaults' not in env.channels:
channel_urls.extend(context.channels)
_channel_priority_map = prioritize_channels(channel_urls)
index = get_index(tuple(_channel_priority_map.keys()))
channel_json = []
for subdir, chan in index:
# add priority here
priority = len(_channel_priority_map) - _channel_priority_map[chan.url(
with_credentials=True)][1]
subpriority = 0 if chan.platform == 'noarch' else 1
if subdir.loaded() == False and chan.platform != 'noarch':
# ignore non-loaded subdir if channel is != noarch
continue
channel_json.append((chan, subdir.cache_path(), priority, subpriority))
specs = [MatchSpec(s) for s in specs]
mamba_solve_specs = [s.conda_build_form() for s in specs]
print("\n\nLooking for: {}\n\n".format(mamba_solve_specs))
solver_options = [(api.SOLVER_FLAG_ALLOW_DOWNGRADE, 1)]
pool = api.Pool()
repos = []
for channel, cache_file, priority, subpriority in channel_json:
repo = api.Repo(pool, str(channel), cache_file,
channel.url(with_credentials=True))
repo.set_priority(priority, subpriority)
repos.append(repo)
solver = api.Solver(pool, solver_options)
solver.add_jobs(mamba_solve_specs, api.SOLVER_INSTALL)
success = solver.solve()
if not success:
print(solver.problems_to_str())
package_cache = api.MultiPackageCache(context.pkgs_dirs)
transaction = api.Transaction(solver, package_cache)
to_link, to_unlink = transaction.to_conda()
to_link_records, to_unlink_records = [], []
final_precs = IndexedSet(PrefixData(prefix).iter_records())
def get_channel(c):
for _, chan in index:
if str(chan) == c:
return chan
for c, pkg, jsn_s in to_link:
sdir = get_channel(c)
rec = to_package_record_from_subjson(sdir, pkg, jsn_s)
final_precs.add(rec)
to_link_records.append(rec)
unlink_precs, link_precs = diff_for_unlink_link_precs(
prefix,
final_precs=IndexedSet(PrefixGraph(final_precs).graph),
specs_to_add=specs,
force_reinstall=context.force_reinstall)
pref_setup = PrefixSetup(target_prefix=prefix,
unlink_precs=unlink_precs,
link_precs=link_precs,
remove_specs=[],
update_specs=specs,
neutered_specs=())
conda_transaction = UnlinkLinkTransaction(pref_setup)
pfe = conda_transaction._get_pfe()
pfe.execute()
conda_transaction.execute()
def mamba_install(prefix, specs, args, env, *_, **kwargs):
# TODO: support all various ways this happens
# Including 'nodefaults' in the channels list disables the defaults
channel_urls = [chan for chan in env.channels if chan != 'nodefaults']
if 'nodefaults' not in env.channels:
channel_urls.extend(context.channels)
_channel_priority_map = prioritize_channels(channel_urls)
index = get_env_index(_channel_priority_map)
channel_json = []
for x in index:
# add priority here
priority = len(_channel_priority_map) - _channel_priority_map[
x.url_w_subdir][1]
subpriority = 0 if x.channel.platform == 'noarch' else 1
if os.path.exists(x.cache_path_solv):
cache_file = x.cache_path_solv
else:
cache_file = x.cache_path_json
channel_json.append(
(str(x.channel), cache_file, priority, subpriority))
specs = [MatchSpec(s) for s in specs]
mamba_solve_specs = [s.conda_build_form() for s in specs]
print("\n\nLooking for: {}\n\n".format(mamba_solve_specs))
# TODO!
installed_json_f = tempfile.NamedTemporaryFile('w', delete=False)
installed_json_f.write("") # stupid!
installed_json_f.flush()
solver_options = [(api.SOLVER_FLAG_ALLOW_DOWNGRADE, 1)]
to_link, to_unlink = api.solve(channel_json, installed_json_f.name,
mamba_solve_specs, solver_options,
api.SOLVER_INSTALL, False, context.quiet)
to_link_records, to_unlink_records = [], []
final_precs = IndexedSet(PrefixData(prefix).iter_records())
def get_channel(c):
for x in index:
if str(x.channel) == c:
return x
for c, pkg in to_unlink:
for i_rec in installed_pkg_recs:
if i_rec.fn == pkg:
final_precs.remove(i_rec)
to_unlink_records.append(i_rec)
break
else:
print("No package record found!")
for c, pkg, jsn_s in to_link:
sdir = get_channel(c)
rec = to_package_record_from_subjson(sdir, pkg, jsn_s)
final_precs.add(rec)
to_link_records.append(rec)
unlink_precs, link_precs = diff_for_unlink_link_precs(
prefix,
final_precs=IndexedSet(PrefixGraph(final_precs).graph),
specs_to_add=specs,
force_reinstall=context.force_reinstall)
pref_setup = PrefixSetup(target_prefix=prefix,
unlink_precs=unlink_precs,
link_precs=link_precs,
remove_specs=[],
update_specs=specs)
conda_transaction = UnlinkLinkTransaction(pref_setup)
pfe = conda_transaction._get_pfe()
pfe.execute()
conda_transaction.execute()
try:
installed_json_f.close()
os.unlink(installed_json_f.name)
except:
pass