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Better error messages for spack list -v.

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This commit is contained in:
Todd Gamblin 2013-05-17 16:56:00 -07:00
parent 57ef3b8a80
commit 8f37817ae1
1 changed files with 17 additions and 13 deletions
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30
lib/spack/spack/cmd/list.py
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@ -1,5 +1,6 @@
import os import os
import re import re
from subprocess import CalledProcessError
import spack import spack
import spack.packages as packages import spack.packages as packages
@ -32,26 +33,29 @@ def list(parser, args):
elif args.version_package: elif args.version_package:
pkg = packages.get(args.version_package) pkg = packages.get(args.version_package)
# Run curl but grab the mime type from the http headers
try: try:
# Run curl but grab the mime type from the http headers
listing = spack.curl('-s', '-L', pkg.list_url, return_output=True) listing = spack.curl('-s', '-L', pkg.list_url, return_output=True)
url_regex = os.path.basename(url.wildcard_version(pkg.url)) except CalledProcessError:
strings = re.findall(url_regex, listing) tty.die("Fetching %s failed." % pkg.list_url,
"'list -v' requires an internet connection.")
versions = [] url_regex = os.path.basename(url.wildcard_version(pkg.url))
wildcard = pkg.version.wildcard() strings = re.findall(url_regex, listing)
for s in strings:
match = re.search(wildcard, s)
if match:
versions.append(ver(match.group(0)))
colify(str(v) for v in reversed(sorted(set(versions)))) versions = []
wildcard = pkg.version.wildcard()
for s in strings:
match = re.search(wildcard, s)
if match:
versions.append(ver(match.group(0)))
except: if not versions:
tty.die("Listing versions for %s failed" % pkg.name, tty.die("Found no versions for %s" % pkg.name,
"Listing versions is experimental. You may need to add the list_url", "Listing versions is experimental. You may need to add the list_url",
"attribute to the package to tell Spack where to look for versions.") "attribute to the package to tell Spack where to look for versions.")
raise
colify(str(v) for v in reversed(sorted(set(versions))))
else: else:
colify(packages.all_package_names()) colify(packages.all_package_names())