Finds locations of all occurences of a string within a directory or code project

find_string_in_directory.py

import os

def search_in_file(file_path, target_string, match_case=False, abs_paths=False):
    if not match_case:
        target_string = target_string.lower()
    _, file_name = os.path.split(file_path)
    with open(file_path) as myFile:
        try:
            for num, line in enumerate(myFile.readlines()):
                if not match_case:
                    line = line.lower()
                if target_string in line:
                    temp = file_name
                    if abs_paths:
                        temp = os.path.abspath(file_path)
                    print('{} : {} : {}'.format(temp, num, line))
        except UnicodeDecodeError:
            print('************** Could not read: ' + file_path)


def search_all_files(root_path, target_string, ignore_folders=[], target_ftypes=[], 
                     match_case=False, abs_paths=False):
    for item in os.listdir(root_path):
        item = os.path.join(root_path, item)
        if os.path.isdir(item):
            if item not in ignore_folders:
                search_all_files(item, target_string, match_case=match_case, abs_paths=abs_paths,
                                 ignore_folders=ignore_folders, target_ftypes=target_ftypes)
        else:
            if any([item.endswith(ftype) for ftype in target_ftypes]):
                search_in_file(item, target_string)

search_all_files(os.path.abspath('.'), 'cookbook',
                 ignore_folders=['.git', '.idea', '.cache', 'jupyter_notebooks', 'data', 'pycroscopy', 'tests'],
                 target_ftypes=['.py', '.txt', '.rst'])

grep -rnw '/path/to/somewhere/' -e 'pattern'