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authorTodd Gamblin <tgamblin@llnl.gov>2019-09-21 15:47:34 -0700
committerTodd Gamblin <tgamblin@llnl.gov>2019-09-21 17:57:36 -0700
commit7a1dd517b8470ac3e01ff41075a076ef8aad5e44 (patch)
tree9a678124a11f84db727f57faac35353119350d65 /var
parentef652ee42ad425c58c711a848d8c3af946281565 (diff)
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externals: avoid importing requests in jsonschema
Spack doesn't need `requests`, and neither does `jsonschema`, but `jsonschema` tries to import it, and it'll succeed if `requests` is on your machine (which is likely, given how popular it is). This commit removes the import to improve Spack's startup time a bit. On a mac with SSD, the import of requests is ~28% of Spack's startup time when run as `spack --print-shell-vars sh,modules` (.069 / .25 seconds), which is what `setup-env.sh` runs. On a Linux cluster where Python is mounted from NFS, this reduces `setup-env.sh` source time from ~1s to .75s. Note: This issue will be eliminated if we upgrade to a newer `jsonschema` (we'd need to drop Python 2.6 for that). See https://github.com/Julian/jsonschema/pull/388.
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