Create file_utils.py

other/file_utils.py

@@ -0,0 +1,129 @@
+import json
+import sys
+
+
+def touch_file(file_name):
+    try:
+        with open(file_name):
+            pass
+    except FileNotFoundError:
+        try:
+            with open(file_name, "w"):
+                pass
+        except IOError as ioe:
+            print(ioe)
+            sys.stdout.flush()
+            print("Unable to create file {}".format(file_name))
+            sys.stdout.flush()
+    except IOError as ioe:
+        print(ioe)
+        sys.stdout.flush()
+        print("Unable to read file {}".format(file_name))
+        sys.stdout.flush()
+
+
+def clear_file(file_name):
+    try:
+        with open(file_name, "w"):
+            pass
+    except IOError as ioe:
+        print(ioe)
+        sys.stdout.flush()
+        print("Unable to create file {}".format(file_name))
+        sys.stdout.flush()
+
+
+def dump_json_to_file(data, file_name):
+    touch_file(file_name)
+    with open(file_name, "w") as write_file:
+        write_file.write(json.dumps(data, indent=4))
+        write_file.write("\n")
+
+
+def load_json_from_file(file_name):
+    touch_file(file_name)
+    with open(file_name) as readfile:
+        content = readfile.read()
+    if content == "":
+        content = str(dict())
+    content = json.loads(content)
+    return content
+
+
+def read_lines_strip_return(file_name, split=None, index=None):
+    try:
+        with open(file_name) as readfile:
+            lines = readfile.readlines()
+            res = list()
+            for line in lines:
+                line = line.strip()
+                if line != "":
+                    if split is not None:
+                        line = line.split(split)
+                        if index is None:
+                            res.append(line)
+                        else:
+                            res.append(line[index])
+                    else:
+                        res.append(line)
+        return res
+    except FileNotFoundError:
+        return "FileNotFoundError: {0}".format(file_name)
+    except IOError as ioe:
+        print(ioe)
+        sys.stdout.flush()
+        print("Unable to read file {}".format(file_name))
+        sys.stdout.flush()
+
+
+def read_file(file_name):
+    try:
+        with open(file_name) as readfile:
+            return readfile.read().strip()
+    except FileNotFoundError:
+        return "FileNotFoundError: {0}".format(file_name)
+    except IOError as ioe:
+        print(ioe)
+        sys.stdout.flush()
+        print("Unable to read file {}".format(file_name))
+        sys.stdout.flush()
+
+
+def append_line_to_file(file_name, content):
+    touch_file(file_name)
+    with open(file_name, "a") as append_file:
+        append_file.write(content + "\n")
+
+
+def append_line_to_file_if_doesnt_exist(file_name, content):
+    touch_file(file_name)
+    lines = read_lines_strip_return(file_name)
+    if content not in lines:
+        with open(file_name, "a") as append_file:
+            append_file.write(content + "\n")
+
+
+def check_file_exists(file_name):
+    try:
+        with open(file_name):
+            pass
+        return True
+    except FileNotFoundError:
+        return False
+    except IOError as ioe:
+        print(ioe)
+        sys.stdout.flush()
+        print("Unable to read file {}".format(file_name))
+        sys.stdout.flush()
+        return False
+
+
+def convert_int_to_dotted_str(number):
+    res = list()
+    for digit in str(number):
+        res.append(digit)
+    return ".".join(res)
+
+
+def convert_dotted_str_to_int(dotted_str):
+    return int("".join(dotted_str.split(".")))