fix tmp path and remove it at the end

navcoin_hash_checker.py

#!/usr/bin/python3
 
import re, tempfile, os, hashlib
from urllib.request import urlopen,urlretrieve
 
RELEASE = "4.1.1"
RELEASES_PATH = "https://github.com/navcoin/navcoin-core/releases"
 
#get release page data
def get_release_page_data(releaseString):
  release_url = "%s/tag/%s"%(RELEASES_PATH,RELEASE)
  htmlobj = urlopen(release_url)
  htmldata = htmlobj.read().decode('UTF-8')
  return htmldata
 
def remove_tags(item):
  return re.sub("<.*?>", "", item)
 
#get hashes for each filename
def get_releasepage_filehashes(htmlData):
  hashBlob = re.search("SHA256 Hashes([.\w>\-<\/\r\n]*)", htmlData)
  hashLines = hashBlob.group(0).split('\n')[1:-1]
  hashLines = [remove_tags(x) for x in hashLines]
 
  fileHashes = {}
  it = iter(hashLines)
  for item in it:
    fileHashes[item] = next(it)
  return fileHashes
 
def hash_file(filepath):
  h = hashlib.sha256()
  with open(filepath, 'rb', buffering=0) as f:
    for b in iter(lambda : f.read(128*1024), b''):
      h.update(b)
  return h.hexdigest()
 
def validate_hashes(hashes):
  passes, fails = 0,0
  workingDir = tempfile.mkdtemp()
  downloadsUrl = "%s/download/%s/"%(RELEASES_PATH,RELEASE)
 
  for file,hash in hashes.items():
    downloadPath = "%s//%s"%(workingDir,file)
    fileUrl = "%s%s"%(downloadsUrl,file)
    print("Downloading file %s for hashing..."%(fileUrl))
    urlretrieve(fileUrl, downloadPath)
    actualHash = hash_file(downloadPath)
    print("File: %s\n\tGithub Hash: %s\n\tActual Hash: %s"%(file,hash,actualHash))
    os.remove(downloadPath)  
    if hash == actualHash:
      passes += 1
      print("Hash matches\n")
    else:
      fails += 1
      print("HASH DOES NOT MATCH!\n")
  
  os.rmdir(workingDir)
  
  return passes, fails
   
 
releaseData = get_release_page_data(RELEASE)
hashes = get_releasepage_filehashes(releaseData)
passes,fails = validate_hashes(hashes)
print("Hash results for %d files"%(passes+fails))
print("------------")
print("Passes: %d"%passes)
print("Fails:  %d"%fails)
 
if fails == 0:
  print("All files are good")
else:
  print("WARNING! Hash mismatches detected. Everybody panic! Sell sell sell!")