import re

import sys

def replace_log_values(log_file_path, replacements):

"""

Replaces values in a log file with specified replacements.

Performs synchronous execution.

Args:

log_file_path (str): The path to the log file.

replacements (dict): A dictionary where keys are the values to find

and values are the replacements.

"""

try:

with open(log_file_path, 'r') as f:

log_content = f.read()

for find_str, replace_str in replacements.items():

# Use re.escape to handle special characters in the find string

pattern = re.escape(find_str)

log_content = re.sub(pattern, replace_str, log_content)

with open(log_file_path, 'w') as f:

f.write(log_content)

except FileNotFoundError:

print(f"Error: File not found at {log_file_path}")

sys.exit(1)

except Exception as e:

print(f"An error occurred: {e}")

sys.exit(1)

if __name__ == "__main__":

# Example Usage:

if len(sys.argv) != 3:

print("Usage: python replace_values.py <log_file_path> <replacements_dict>")

sys.exit(1)

log_file_path = sys.argv[1]

replacements_str = sys.argv[2]

try:

replacements = eval(replacements_str) # Evaluate the string as a dictionary

except Exception as e:

print(f"Error parsing replacements: {e}")

sys.exit(1)

replace_log_values(log_file_path, replacements)