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#!/usr/bin/env python
'''
DANGER. THIS WILL WIPE AN ENTIRE ANACONDA.ORG REPOSITORY CHANNEL.
YOU HAVE BEEN WARNED.
'''
import argparse
from subprocess import check_output, STDOUT
def choose(answer):
answer = answer.upper()
if answer == 'Y' or answer == 'YES':
return True
return False
def prompt_user(channel):
message = 'You about to REMOVE every package inside of: {0}'.format(channel)
message_length = len(message)
print('!' * message_length)
print(message)
print('!' * message_length)
print('')
print('Continue? (y/N) ', end='')
answer = input()
print('')
return choose(answer)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('channel', help='Name of channel to be purged of its contents')
args = parser.parse_args()
channel = args.channel
show_command = 'conda-server channel --show {0}'.format(channel).split()
show_output = check_output(show_command, stderr=STDOUT)
show_output = show_output.decode()
found = []
for line in show_output.splitlines():
line = line.lstrip()
if not line:
continue
if not line.startswith('+'):
continue
line = line.replace('+', '').lstrip()
package = '/'.join(line.split('/')[:2])
found.append(package)
if found:
print("Packages to remove:")
for pkg in found:
print(pkg)
if not prompt_user(channel):
print('Operation aborted by user...')
exit(0)
print('')
for pkg in found:
purge_command = 'conda-server remove -f {0}'.format(pkg).split()
print("Removing [{0:>10s}] :: {1:>10s}".format(channel, pkg))
purge_output = check_output(purge_command, stderr=STDOUT)
else:
print("No packages in channel: {0}".format(channel))
if __name__ == '__main__':
main()
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