17.3. Pathlib Files

17.3.1. SetUp

from pathlib import Path

17.3.2. Create File

  • Touch creates a file

myfile = Path('/tmp/myfile.txt')
myfile.touch()

17.3.3. Is File

myfile = Path('/tmp/myfile.txt')
myfile.is_file()
True

17.3.4. Read Text

myfile = Path('/tmp/myfile.txt')
result = myfile.read_text()

17.3.5. Name

myfile = Path('/tmp/myfile.txt')
myfile.name
'myfile.txt'

17.3.6. Stem

myfile = Path('/tmp/myfile.txt')
myfile.stem
'myfile'

17.3.7. Parent

myfile = Path('/tmp/myfile.txt')
myfile.parent
PosixPath('/tmp')

17.3.8. Suffix

myfile = Path('/tmp/myfile.txt')
myfile.suffix
'.txt'

17.3.9. Suffixes

myfile = Path('/tmp/myfile.txt')
myfile.suffixes
['.txt']

17.3.10. Glob and Rglob

SetUp:

mydir = Path('/tmp/mydir/')
mydir.mkdir(exist_ok=True)
(mydir / 'myfile1.md').touch()
(mydir / 'myfile2.md').touch()

Usage:

mydir.glob('*.md')
<map object at 0x...>

sorted(mydir.glob('*.md'))
[PosixPath('/tmp/mydir/myfile1.md'), PosixPath('/tmp/mydir/myfile2.md')]
sorted(mydir.rglob('*.md'))
[PosixPath('/tmp/mydir/myfile1.md'), PosixPath('/tmp/mydir/myfile2.md')]

17.3.11. Join Paths

mydir = Path('/tmp/mydirectory/')
myfile = mydir / 'myfile.txt'
myfile = Path('/')
myfile /= 'tmp'
myfile /= 'mydirectory'
myfile /= 'myfile.txt'

17.3.12. Stat

$ stat -r /tmp/mydir/myfile.txt
16777234 74991501 0100644 1 501 0 0 23 1739435370 1739435370 1739435522 1739434616 4096 8 64 /tmp/mydirectory/myfile.txt
$ stat /tmp/mydir/myfile.txt
16777234 74991501 -rw-r--r-- 1 matt wheel 0 23 "Feb 13 09:29:30 2025" "Feb 13 09:29:30 2025" "Feb 13 09:32:02 2025" "Feb 13 09:16:56 2025" 4096 8 0x40 /tmp/mydirectory/myfile.txt
myfile = Path('/tmp/mydir/myfile.txt')
myfile.stat()
os.stat_result(st_mode=33188, st_ino=73966028, st_dev=16777234, st_nlink=1, st_uid=501, st_gid=20, st_size=8965, st_atime=1739174544, st_mtime=1739174544, st_ctime=1739174544)
oct(33188)
'0o100644'
from datetime import datetime, timezone

datetime.fromtimestamp(1739174544, tz=timezone.utc)
datetime.datetime(2025, 2, 10, 8, 2, 24, tzinfo=datetime.timezone.utc)

17.3.13. Use Case - 1

FILE = '/tmp/mydir/myfile.txt'
with open(FILE) as file:
    content = file.read()
FILE = Path('/tmp/mydir/myfile.txt')
with open(FILE) as file:
    content = file.read()
file = Path('/tmp/mydir/myfile.txt')
result = file.read_text()

17.3.14. Use Case - 1

from itertools import chain


mydir = Path('/tmp/mydir')
files = chain(
    mydir.rglob('*.md'),
    mydir.rglob('*.html'),
)

for file in sorted(files):
    print(file)

/tmp/mydir/myfile1.md
/tmp/mydir/myfile2.md

17.3.15. Use Case - 2

directories = [
    '/tmp/mydir',
    '/tmp/newdir',
    '/tmp/otherdir',
]
for directory in map(Path, directories):
    print(directory.exists())

True
False
False
for directory in map(Path, directories):
    for file in directory.rglob('*.txt'):
        print(file)

/tmp/mydir/myfile.txt

17.3.16. Use Case - 3

directories = [
    Path('/tmp/mydir'),
    Path('/tmp/newdir'),
    Path('/tmp/otherdir'),
]

for directory in directories:
    directory.exists()

True
False
False