3b1b-manim/manimlib/utils/file_ops.py
2021-01-05 23:14:16 -08:00

60 lines
2 KiB
Python

import os
import numpy as np
def add_extension_if_not_present(file_name, extension):
# This could conceivably be smarter about handling existing differing extensions
if(file_name[-len(extension):] != extension):
return file_name + extension
else:
return file_name
def guarantee_existence(path):
if not os.path.exists(path):
os.makedirs(path)
return os.path.abspath(path)
def seek_full_path_from_defaults(file_name, directories, extensions):
possible_paths = [file_name]
possible_paths += [
os.path.join(directory, file_name + extension)
for directory in directories
for extension in ["", *extensions]
]
for path in possible_paths:
if os.path.exists(path):
return path
raise IOError("File {} not Found".format(file_name))
def get_sorted_integer_files(directory,
min_index=0,
max_index=np.inf,
remove_non_integer_files=False,
remove_indices_greater_than=None,
extension=None,
):
indexed_files = []
for file in os.listdir(directory):
if '.' in file:
index_str = file[:file.index('.')]
else:
index_str = file
full_path = os.path.join(directory, file)
if index_str.isdigit():
index = int(index_str)
if remove_indices_greater_than is not None:
if index > remove_indices_greater_than:
os.remove(full_path)
continue
if extension is not None and not file.endswith(extension):
continue
if index >= min_index and index < max_index:
indexed_files.append((index, file))
elif remove_non_integer_files:
os.remove(full_path)
indexed_files.sort(key=lambda p: p[0])
return list(map(lambda p: os.path.join(directory, p[1]), indexed_files))