mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-12-01 09:51:43 +02:00
91 lines
2.2 KiB
Python
91 lines
2.2 KiB
Python
import os
|
|
import re
|
|
import random
|
|
import string
|
|
|
|
|
|
def find_by_extensions(dirs=None, extensions=None):
|
|
"""
|
|
find_by_extensions(['path1','path2'],['.txt','.log'])
|
|
:return:
|
|
Return list of files include full path by file extensions
|
|
"""
|
|
files = []
|
|
new_dirs = []
|
|
|
|
if dirs is not None and extensions is not None:
|
|
for d in dirs:
|
|
try:
|
|
new_dirs += [os.path.join(d, f) for f in os.listdir(d)]
|
|
except OSError:
|
|
if os.path.splitext(d)[1] in extensions:
|
|
files.append(d)
|
|
|
|
if new_dirs:
|
|
files.extend(find_by_extensions(new_dirs, extensions))
|
|
|
|
return files
|
|
|
|
|
|
def find_by_pattern(dirs=None, pattern=None):
|
|
"""
|
|
find_by_pattern(['path1','path2'],'^.*/*.txt')
|
|
:return:
|
|
Return list of files include full path by pattern
|
|
"""
|
|
files = []
|
|
new_dirs = []
|
|
|
|
if dirs is not None and pattern is not None:
|
|
for d in dirs:
|
|
try:
|
|
new_dirs += [os.path.join(d, f) for f in os.listdir(d)]
|
|
except OSError:
|
|
if re.match(pattern,d):
|
|
files.append(d)
|
|
|
|
if new_dirs:
|
|
files.extend(find_by_pattern(new_dirs, pattern))
|
|
|
|
return files
|
|
|
|
|
|
def find_by_name(dirs=None, filename=None):
|
|
files = []
|
|
new_dirs = []
|
|
|
|
if dirs is not None and filename is not None:
|
|
for d in dirs:
|
|
try:
|
|
new_dirs += [os.path.join(d, f) for f in os.listdir(d)]
|
|
except OSError:
|
|
if os.path.basename(d) in filename:
|
|
files.append(d)
|
|
|
|
if new_dirs:
|
|
files.extend(find_by_name(new_dirs, filename))
|
|
|
|
return files
|
|
|
|
|
|
def corrupt_file(filename):
|
|
file_size = None
|
|
try:
|
|
file_size = os.path.getsize(filename)
|
|
except OSError:
|
|
return False
|
|
|
|
try:
|
|
with open(filename, "rb+") as f:
|
|
f.seek(random.randint(int(0.1*file_size),int(0.8*file_size)))
|
|
f.write(random_string(0.1*file_size))
|
|
f.close()
|
|
except OSError:
|
|
return False
|
|
|
|
return True
|
|
|
|
|
|
def random_string(n):
|
|
a = string.ascii_letters + string.digits
|
|
return ''.join([random.choice(a) for i in range(int(n)+1)]) |