
import ID3
import os
import sys

def read_tracklist():
    tracklist = []
    for line in sys.stdin:
        tracklist.append(line)
    return tracklist

tracklist = read_tracklist()
mp3_extension = ".mp3"

files_all = os.listdir('.')
files = []

for f in files_all:

    # Prune directories
    if not os.path.isfile(f):
        continue

    # Prune non-MP3 files
    filename, extension = os.path.splitext(f)
    if extension != mp3_extension:
        continue

    # Prune this file
    f_temp = os.path.abspath(f)
    if f_temp == os.path.abspath(__file__):
        continue

    files.append(f)

if len(files) != len(tracklist):
    raise RuntimeError(
        str(len(tracklist)) +
        " file names were given but " +
        str(len(files)) +
        " files were found.")
    sys.exit()

files.sort()

i = 0
for f in files:
    os.rename(f, tracklist[i] + mp3_extension)
    i += 1


import ID3
import os
import sys

def read_tracklist():
    tracklist = []
    for line in sys.stdin:
        tracklist.append(line)
    return tracklist

def match_length(files, tracklist):
    if len(files) != len(tracklist):
        raise RuntimeError(
            str(len(tracklist)) +
            " file names were given but " +
            str(len(files)) +
            " files were found.")

tracklist = read_tracklist()
mp3_extension = ".mp3"

files_all = os.listdir('.')
files = []

for f in files_all:

    # Prune directories
    if not os.path.isfile(f):
        continue

    # Prune non-MP3 files
    filename, extension = os.path.splitext(f)
    if extension != mp3_extension:
        continue

    # Prune this file
    f_temp = os.path.abspath(f)
    if f_temp == os.path.abspath(__file__):
        continue

    files.append(f)

match_length(files, tracklist)

files.sort()

i = 0
for f in files:
    os.rename(f, tracklist[i] + mp3_extension)
    i += 1

Move files/tracklist count check to function
MP3: Move files/tracklist count check to function

  
  import ID3
  import os
  import sys
  
  def read_tracklist():
      tracklist = []
      for line in sys.stdin:
          tracklist.append(line)
      return tracklist
+ 
+ def match_length(files, tracklist):
+     if len(files) != len(tracklist):
+         raise RuntimeError(
+             str(len(tracklist)) +
+             " file names were given but " +
+             str(len(files)) +
+             " files were found.")
  
  tracklist = read_tracklist()
  mp3_extension = ".mp3"
  
  files_all = os.listdir('.')
  files = []
  
  for f in files_all:
  
      # Prune directories
      if not os.path.isfile(f):
          continue
  
      # Prune non-MP3 files
      filename, extension = os.path.splitext(f)
      if extension != mp3_extension:
          continue
  
      # Prune this file
      f_temp = os.path.abspath(f)
      if f_temp == os.path.abspath(__file__):
          continue
  
      files.append(f)
  
+ match_length(files, tracklist)
- if len(files) != len(tracklist):
-     raise RuntimeError(
-         str(len(tracklist)) +
-         " file names were given but " +
-         str(len(files)) +
-         " files were found.")
-     sys.exit()
  
  files.sort()
  
  i = 0
  for f in files:
      os.rename(f, tracklist[i] + mp3_extension)
      i += 1
  
Move files/tracklist count check to function
## Code Before:

import ID3
import os
import sys

def read_tracklist():
    tracklist = []
    for line in sys.stdin:
        tracklist.append(line)
    return tracklist

tracklist = read_tracklist()
mp3_extension = ".mp3"

files_all = os.listdir('.')
files = []

for f in files_all:

    # Prune directories
    if not os.path.isfile(f):
        continue

    # Prune non-MP3 files
    filename, extension = os.path.splitext(f)
    if extension != mp3_extension:
        continue

    # Prune this file
    f_temp = os.path.abspath(f)
    if f_temp == os.path.abspath(__file__):
        continue

    files.append(f)

if len(files) != len(tracklist):
    raise RuntimeError(
        str(len(tracklist)) +
        " file names were given but " +
        str(len(files)) +
        " files were found.")
    sys.exit()

files.sort()

i = 0
for f in files:
    os.rename(f, tracklist[i] + mp3_extension)
    i += 1

## Instruction:
Move files/tracklist count check to function
## Code After:

import ID3
import os
import sys

def read_tracklist():
    tracklist = []
    for line in sys.stdin:
        tracklist.append(line)
    return tracklist

def match_length(files, tracklist):
    if len(files) != len(tracklist):
        raise RuntimeError(
            str(len(tracklist)) +
            " file names were given but " +
            str(len(files)) +
            " files were found.")

tracklist = read_tracklist()
mp3_extension = ".mp3"

files_all = os.listdir('.')
files = []

for f in files_all:

    # Prune directories
    if not os.path.isfile(f):
        continue

    # Prune non-MP3 files
    filename, extension = os.path.splitext(f)
    if extension != mp3_extension:
        continue

    # Prune this file
    f_temp = os.path.abspath(f)
    if f_temp == os.path.abspath(__file__):
        continue

    files.append(f)

match_length(files, tracklist)

files.sort()

i = 0
for f in files:
    os.rename(f, tracklist[i] + mp3_extension)
    i += 1
