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import json
from .meta import MetaData
from .exceptions import CondaBuildError
from subprocess import Popen, PIPE, STDOUT, check_output, CalledProcessError
def combine_args(args):
if not isinstance(args, list):
raise TypeError('Expecting a list instance, got: {0}'.format(type(args)))
if not args:
return ''
return ' '.join(args)
def run_process(command, callback=None):
if not isinstance(command, list):
raise TypeError('Expecting a list instance, got: {0}'.format(type(command)))
process = Popen(command, stdout=PIPE)
while True:
output = process.stdout.readline()
output = output.decode()
if not output and process.poll() is not None:
break
if output:
print(output.strip())
# Perform user-defined parsing of output
if callback is not None:
if not callback(output.strip()):
process.kill()
return process.poll()
def conda_search(metadata):
pkgname = metadata.name()
command = ['conda', 'search', '--json', pkgname]
proc = Popen(command, stdout=PIPE)
out, _ = proc.communicate()
output = out.decode('utf-8').strip()
data = json.loads(output)
if pkgname in data:
for pkg in data[pkgname]:
if pkg['installed']:
return '-'.join([pkg['name'],
pkg['version'],
pkg['build']])
return ''
def conda_install(pkgname, args=[]):
# Until I can figure out a good way to build with the conda API
# we'll use the CLI interface:
command = 'conda install --yes {0} {1}'.format(combine_args(args), pkgname).split()
try:
run_process(command)
except CalledProcessError as cpe:
print('{0}\nexit={1}'.format(' '.join(cpe.cmd), cpe.returncode))
def conda_reinstall(pkgname, args=[]):
# Until I can figure out a good way to build with the conda API
# we'll use the CLI interface:
commands = ['conda remove --yes {0}'.format(pkgname).split(),
'conda install --yes {0} {1}'.format(combine_args(args), pkgname).split()]
for command in commands:
try:
run_process(command)
except CalledProcessError as cpe:
print('{0}\nexit={1}'.format(combine_args(cpe.cmd), cpe.returncode))
def conda_builder(metadata, args=[]):
if not isinstance(metadata, MetaData):
raise CondaBuildError('Expecting instance of conda_build.metadata.MetaData, got: "{0}"'.format(type(metadata)))
def check_bad_egg(output):
bad_egg = 'UNKNOWN.egg-info'
if bad_egg in output:
raise CondaBuildError('Bad setuptools metadata produced UNKNOWN.egg-info instead of {0}*.egg-info!'.format(metadata.local['package']['name']))
command = 'conda build {0} {1}'.format(combine_args(args), metadata.env.pkgdir).split()
try:
run_process(command, check_bad_egg)
#OK Conda, let's play rough. stdout/stderr only, no exit for you.
except SystemExit:
print('Discarding SystemExit issued by setuptools')
except CalledProcessError as cpe:
print(cpe)
return False
return True
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