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Only download model if not installed (see #1456)

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Use #egg=model==version to allow pip to check for existing installations. The download is only started if no installation matching the package/version is found. Fixes a long-standing inconvenience.
This commit is contained in:
ines 2018-05-20 15:52:17 +02:00
parent 6e6f995a3c
commit 8bcf5e9a7e
1 changed files with 3 additions and 3 deletions
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6
spacy/cli/download.py
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@ -24,14 +24,14 @@ def download(model, direct=False):
with version.
"""
if direct:
dl = download_model('{m}/{m}.tar.gz'.format(m=model))
dl = download_model('{m}/{m}.tar.gz#egg={m}'.format(m=model))
else:
shortcuts = get_json(about.__shortcuts__, "available shortcuts")
model_name = shortcuts.get(model, model)
compatibility = get_compatibility()
version = get_version(model_name, compatibility)
dl = download_model('{m}-{v}/{m}-{v}.tar.gz'.format(m=model_name,
v=version))
dl = download_model('{m}-{v}/{m}-{v}.tar.gz#egg={m}=={v}'
.format(m=model_name, v=version))
if dl != 0: # if download subprocess doesn't return 0, exit
sys.exit(dl)
try: