old_contents: import os
  import sys
  from datetime import timezone, datetime, timedelta
  
  from dateutil.parser import parse
  import requests
  import urllib
  
  
  def parse_conda_pkg(pkg):
      """Parse a conda package into its parts.
      code due to Isuru F. and CJ Wright
      Returns platform, name, version and build string
      """
      if not pkg.endswith(".tar.bz2"):
          raise RuntimeError("Package must end with .tar.bz2!")
      pkg = pkg[:-8]
      plat, pkg_name = pkg.split(os.path.sep)
      name_ver, build = pkg_name.rsplit('-', 1)
      name, ver = name_ver.rsplit('-', 1)
      return plat, name, ver, build
  
  
  if __name__ == "__main__":
      header = {'Authorization': 'token {}'.format(os.environ["STAGING_BINSTAR_TOKEN"])}
      rc = requests.get(
          "https://api.anaconda.org/channels/cf-staging",
          headers=header
      )
  
      now = datetime.utcnow()
      now = now.replace(tzinfo=timezone.utc)
  
      num_del = 0
      for channel in rc.json():
          r = requests.get(
              "https://api.anaconda.org/channels/cf-staging/%s" % channel,
              headers=header,
          )
  
          for f in r.json()['files']:
              updt = parse(f["upload_time"])
              dt = now - updt
              if dt > timedelta(days=1):
                  print("deleting:", f['basename'], dt)
                  _, name, version, _ = parse_conda_pkg(f["basename"])
                  r = requests.delete(
                      "https://api.anaconda.org/dist/cf-staging/%s/%s/%s" % (
                          name,
                          version,
                          urllib.parse.quote(f["basename"], safe="")
                      ),
                      headers=header,
                  )
                  num_del += 1
                  if num_del > 10000:
                      sys.exit(0)
  
new_contents: import os
  import sys
  from datetime import timezone, datetime, timedelta
  
  from dateutil.parser import parse
  import requests
  import urllib
  
  
  def parse_conda_pkg(pkg):
      """Parse a conda package into its parts.
      code due to Isuru F. and CJ Wright
      Returns platform, name, version and build string
      """
      if not pkg.endswith(".tar.bz2"):
          raise RuntimeError("Package must end with .tar.bz2!")
      pkg = pkg[:-8]
      plat, pkg_name = pkg.split(os.path.sep)
      name_ver, build = pkg_name.rsplit('-', 1)
      name, ver = name_ver.rsplit('-', 1)
      return plat, name, ver, build
  
  
  if __name__ == "__main__":
      header = {'Authorization': 'token {}'.format(os.environ["STAGING_BINSTAR_TOKEN"])}
      rc = requests.get(
          "https://api.anaconda.org/channels/cf-staging",
          headers=header
      )
  
      now = datetime.utcnow()
      now = now.replace(tzinfo=timezone.utc)
  
      num_del = 0
      for channel in rc.json():
          r = requests.get(
              "https://api.anaconda.org/channels/cf-staging/%s" % channel,
              headers=header,
          )
  
          for f in r.json()['files']:
              updt = parse(f["upload_time"])
              dt = now - updt
              if dt > timedelta(hours=6):
                  print("deleting:", f['basename'], dt)
                  _, name, version, _ = parse_conda_pkg(f["basename"])
                  r = requests.delete(
                      "https://api.anaconda.org/dist/cf-staging/%s/%s/%s" % (
                          name,
                          version,
                          urllib.parse.quote(f["basename"], safe="")
                      ),
                      headers=header,
                  )
                  num_del += 1
                  if num_del > 10000:
                      sys.exit(0)
  
subject: Update clean_cf_staging.py