refactor(gen_service.py): remove unused import of subprocess module

scripts/find_string.py

@@ -0,0 +1,114 @@
+#!/usr/bin/env python3
+# Copyright (C) 2023 Chris Laprade ([email protected])
+# 
+# This file is part of printcfg.
+# 
+# printcfg is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# printcfg is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with printcfg.  If not, see <http://www.gnu.org/licenses/>.
+
+#!/usr/bin/env python3
+import sys
+import os
+import getpass
+import logging
+import datetime
+
+logger: logging.Logger = logging.getLogger(__name__)
+
+# Get the current user name
+current_user = getpass.getuser()
+user_home = os.path.expanduser("~")
+# Set the logfile
+logfile = f"{user_home}/printcfg/logs/find_string.log"
+
+# Check the date of the first log entry
+# If it is older than 30 days, delete the logfile
+if os.path.exists(logfile):
+    with open(logfile, "r", encoding="utf-8") as logf:
+        first_line = logf.readline()
+        if first_line:
+            first_line = first_line.split(" - ")[0]
+            first_line = datetime.datetime.strptime(first_line, "%Y-%m-%d %H:%M:%S,%f")
+            thirty_days_ago = datetime.datetime.now() - datetime.timedelta(days=30)
+            if first_line < thirty_days_ago:
+                os.remove(logfile)
+
+# Set the logging level
+logger.setLevel(logging.DEBUG)
+formatter = logging.Formatter("%(asctime)s - %(levelname)s - %(message)s")
+handler = logging.FileHandler(logfile)
+handler.setFormatter(formatter)
+logger.addHandler(handler)
+
+def find_string(search_text: str, file_name: str) -> str:
+    """Search for a string in a file.
+
+    Arguments:
+        search_text: The text to search for.
+        file_name: The name of the file to search.
+
+    Returns:
+        The rest of the line containing the search_text.
+    """
+    # Check if the file exists
+    if not os.path.exists(file_name):
+        logger.error(f"File not found: {file_name}")
+        return "File not found."
+    # Check if the file is readable
+    if not os.access(file_name, os.R_OK):
+        logger.error(f"File is not readable: {file_name}")
+        return "File is not readable."
+    # Check if the file is writable
+    if not os.access(file_name, os.W_OK):
+        logger.error(f"File is not writable: {file_name}")
+        return "File is not writable."
+    # Open the file in read mode
+    with open(file_name, "r", encoding="utf-8") as file:
+        # Read each line
+        for line in file:
+            # Strip the newline character at the end
+            line = line.rstrip("\n")
+            # Check if the search text is in the line
+            if search_text in line:
+                # Return the rest of the line
+                # after the search text
+                return line.split(search_text)[1]
+    # If the search text was not found, return an error
+    logger.error(f"Search text not found: {search_text}")
+    return "Search text not found."
+
+# Check if the script was run from the command line
+if __name__ == "__main__":
+    # Check if the script was run with the correct number of arguments
+    if len(sys.argv) == 3:
+        if sys.argv[1] == "--help" or sys.argv[1] == "-h":
+            print("Usage: find_string.py <search_text> <file_name>")
+            exit(0)
+        else:
+            # Get the search text and file name from the arguments
+            s_text = sys.argv[1]
+            f_name = sys.argv[2]
+            # Call the find_string function
+            result = find_string(s_text, f_name)
+            # Return the result
+            print(result)
+    else:
+        # Print an error message
+        print("Usage: find_string.py <search_text> <file_name>")
+        # Exit with an error code
+        exit(1)
+else:
+    # Print an error message
+    print("This script must be run from the command line.")
+    # Exit with an error code
+    exit(1)