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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Some common file util functions."""
import csv
import os
import sys
PYTHON3 = sys.version_info >= (3, 0)
def read_text_file(filename):
"""Reads the contens of a text file."""
if PYTHON3:
with open(filename, 'r', encoding='utf-8') as f:
return f.read()
else:
with open(filename, 'r') as f:
return f.read().decode('utf-8')
def write_text_file(filename, content):
"""Writes 'content' into a text file."""
if PYTHON3:
with open(filename, 'w', encoding='utf-8', newline='\n') as f:
f.write(content)
else:
with open(filename, 'w') as f:
f.write(content.encode('utf-8'))
def find_files(startpath, extensions):
for (dirpath, _, filenames) in os.walk(startpath):
for filename in filenames:
if os.path.splitext(filename)[-1].lower() in extensions:
yield os.path.join(dirpath, filename)
def read_csv_file(filepath):
"""Parses a CSV file into a 2-dimensional array."""
result = []
with open(filepath) as csvfile:
csvreader = csv.reader(csvfile, delimiter=',', quotechar='"')
for row in csvreader:
result.append(row)
return result
def make_path(base_path, subdir):
"""Creates the correct form of the path and makes sure that it exists."""
result = os.path.abspath(os.path.join(base_path, subdir))
if not os.path.exists(result):
os.makedirs(result)
return result
def delete_path(path):
"""Deletes the directory specified by 'path' and all its subdirectories and
file contents."""
if os.path.exists(path) and not os.path.isfile(path):
files = sorted(os.listdir(path), key=str.lower)
for deletefile in files:
deleteme = os.path.abspath(os.path.join(path, deletefile))
if os.path.isfile(deleteme):
try:
os.remove(deleteme)
except Exception:
print('Failed to delete file ' + deleteme)
else:
delete_path(deleteme)
try:
os.rmdir(path)
except Exception:
print('Failed to delete path ' + deleteme)
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