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add is_target_available() to conda utils

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This commit is contained in:
Björn Grüning
2016-05-23 21:15:08 +02:00
committed by Bjoern Gruening
parent fa77c8f459
commit 2eee6e2abc
1 changed files with 21 additions and 0 deletions
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lib/galaxy/tools/deps/conda_util.py
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@@ -286,6 +286,27 @@ def install_conda_target(conda_target, conda_context=None):
conda_context.exec_create(create_args)
def is_target_available(conda_target, conda_context=None):
""" Checks if a specified target is available for installation.
If the package name exists return "True". If in addition the version matches exactly return "exact".
Otherwise return False.
"""
conda_context = _ensure_conda_context(conda_context)
conda_context.ensure_channels_configured()
search_cmd = [conda_context.conda_exec, "search", "--full-name", "--json", conda_target.package]
res = commands.execute(search_cmd)
hits = json.loads(res).get(conda_target.package, [])
if len(hits) > 0:
if conda_target.version:
for hit in hits:
if hit['version'] == conda_target.version:
return 'exact'
return True
else:
return False
def is_conda_target_installed(conda_target, conda_context=None):
conda_context = _ensure_conda_context(conda_context)
return conda_context.has_env(conda_target.install_environment)