
import sys
import os
import yaml
import isbnlib

metafile = sys.argv[1]
metadata = open(metafile, 'r').read()
yamldata = yaml.load(metadata)

identifier = {}

for id in yamldata["identifier"]:
    if "key" in id:
        isbnlike = isbnlib.get_isbnlike(id["text"])[0]
        if isbnlib.is_isbn13(isbnlike):
            identifier[id["key"]] = isbnlib.EAN13(isbnlike)

isbn = identifier[sys.argv[2]] if sys.argv[2] in identifier else "9786056644504"

if len(sys.argv) >= 4 and sys.argv[3] == "mask":
    print(isbnlib.mask(isbn))
else:
    print(isbn)


import sys
import os
import yaml
import isbnlib

metafile = sys.argv[1]
metadata = open(metafile, 'r').read()
yamldata = yaml.load(metadata)

identifier = {}

if "identifier" in yamldata:
    for id in yamldata["identifier"]:
        if "key" in id:
            isbnlike = isbnlib.get_isbnlike(id["text"])[0]
            if isbnlib.is_isbn13(isbnlike):
                identifier[id["key"]] = isbnlib.EAN13(isbnlike)

isbn = identifier[sys.argv[2]] if sys.argv[2] in identifier else "9786056644504"

if len(sys.argv) >= 4 and sys.argv[3] == "mask":
    print(isbnlib.mask(isbn))
else:
    print(isbn)

Handle case of no identifiers at all in meta data
Handle case of no identifiers at all in meta data

  
  import sys
  import os
  import yaml
  import isbnlib
  
  metafile = sys.argv[1]
  metadata = open(metafile, 'r').read()
  yamldata = yaml.load(metadata)
  
  identifier = {}
  
+ if "identifier" in yamldata:
- for id in yamldata["identifier"]:
+     for id in yamldata["identifier"]:
-     if "key" in id:
+         if "key" in id:
-         isbnlike = isbnlib.get_isbnlike(id["text"])[0]
+             isbnlike = isbnlib.get_isbnlike(id["text"])[0]
-         if isbnlib.is_isbn13(isbnlike):
+             if isbnlib.is_isbn13(isbnlike):
-             identifier[id["key"]] = isbnlib.EAN13(isbnlike)
+                 identifier[id["key"]] = isbnlib.EAN13(isbnlike)
  
  isbn = identifier[sys.argv[2]] if sys.argv[2] in identifier else "9786056644504"
  
  if len(sys.argv) >= 4 and sys.argv[3] == "mask":
      print(isbnlib.mask(isbn))
  else:
      print(isbn)
  
Handle case of no identifiers at all in meta data
## Code Before:

import sys
import os
import yaml
import isbnlib

metafile = sys.argv[1]
metadata = open(metafile, 'r').read()
yamldata = yaml.load(metadata)

identifier = {}

for id in yamldata["identifier"]:
    if "key" in id:
        isbnlike = isbnlib.get_isbnlike(id["text"])[0]
        if isbnlib.is_isbn13(isbnlike):
            identifier[id["key"]] = isbnlib.EAN13(isbnlike)

isbn = identifier[sys.argv[2]] if sys.argv[2] in identifier else "9786056644504"

if len(sys.argv) >= 4 and sys.argv[3] == "mask":
    print(isbnlib.mask(isbn))
else:
    print(isbn)

## Instruction:
Handle case of no identifiers at all in meta data
## Code After:

import sys
import os
import yaml
import isbnlib

metafile = sys.argv[1]
metadata = open(metafile, 'r').read()
yamldata = yaml.load(metadata)

identifier = {}

if "identifier" in yamldata:
    for id in yamldata["identifier"]:
        if "key" in id:
            isbnlike = isbnlib.get_isbnlike(id["text"])[0]
            if isbnlib.is_isbn13(isbnlike):
                identifier[id["key"]] = isbnlib.EAN13(isbnlike)

isbn = identifier[sys.argv[2]] if sys.argv[2] in identifier else "9786056644504"

if len(sys.argv) >= 4 and sys.argv[3] == "mask":
    print(isbnlib.mask(isbn))
else:
    print(isbn)
