def __call__(self, *args, **kwargs):
"""Run the executable with subprocess.check_output, return output."""
return_output = kwargs.get("return_output", False)
fail_on_error = kwargs.get("fail_on_error", True)
quoted_args = [arg for arg in args if re.search(r'^"|^\'|"$|\'$', arg)]
if quoted_args:
tty.warn("Quotes in command arguments can confuse scripts like configure.",
"The following arguments may cause problems when executed:",
str("\n".join([" "+arg for arg in quoted_args])),
"Quotes aren't needed because spack doesn't use a shell.",
"Consider removing them")
cmd = self.exe + list(args)
tty.verbose(" ".join(cmd))
try:
proc = subprocess.Popen(
cmd,
stderr=sys.stderr,
stdout=subprocess.PIPE if return_output else sys.stdout)
out, err = proc.communicate()
if fail_on_error and proc.returncode != 0:
raise SpackError("command '%s' returned error code %d"
% (" ".join(cmd), proc.returncode))
if return_output:
return out
except subprocess.CalledProcessError, e:
if fail_on_error: raise
def fetch_from_url(self, url):
try:
# Run curl but grab the mime type from the http headers
headers = spack.curl('-#', # status bar
'-O', # save file to disk
'-D', '-', # print out HTML headers
'-L', url, return_output=True)
except:
# clean up archive on failure.
if self.archive_file:
os.remove(self.archive_file)
raise
# Check if we somehow got an HTML file rather than the archive we
# asked for. We only look at the last content type, to handle
# redirects properly.
content_types = re.findall(r'Content-Type:[^\r\n]+', headers)
if content_types and 'text/html' in content_types[-1]:
tty.warn("The contents of " + self.archive_file + " look like HTML.",
"The checksum will likely be bad. If it is, you can use",
"'spack clean --all' to remove the bad archive, then fix",
"your internet gateway issue and install again.")
def fetch(self):
"""Downloads the file at URL to the stage. Returns true if it was downloaded,
false if it already existed."""
self.chdir()
if self.archive_file:
tty.msg("Already downloaded %s." % self.archive_file)
else:
tty.msg("Fetching %s" % self.url)
try:
# Run curl but grab the mime type from the http headers
headers = spack.curl('-#', # status bar
'-O', # save file to disk
'-D', '-', # print out HTML headers
'-L', self.url, return_output=True)
except:
# clean up archive on failure.
if self.archive_file:
os.remove(self.archive_file)
raise
# Check if we somehow got an HTML file rather than the archive we
# asked for. We only look at the last content type, to handle
# redirects properly.
content_types = re.findall(r'Content-Type:[^\r\n]+', headers)
if content_types and 'text/html' in content_types[-1]:
tty.warn("The contents of " + self.archive_file + " look like HTML.",
"The checksum will likely be bad. If it is, you can use",
"'spack clean --all' to remove the bad archive, then fix",
"your internet gateway issue and install again.")
if not self.archive_file:
raise FailedDownloadError(url)
return self.archive_file
