1 files changed, 123 insertions, 0 deletions
diff --git a/shared/helper.py b/shared/helper.py
new file mode 100644
index 0000000..a421ee0
--- /dev/null
+++ b/shared/helper.py
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+'''
+    Very commonly used methods supporting
+    most things, starting threads, writing
+    or reading files or executing a program,
+    things that both the client & server do.
+
+    Verified: 2021 February 8
+    * Follows PEP8
+    * Tested Platforms
+        * Windows 10
+'''
+
+from shared.state import Static
+from shared.error import Error
+
+import subprocess
+import threading
+import tempfile
+import shutil
+import time
+import os
+
+
+class Store:
+
+    def __init__(self, **kwargs):
+        for key, value in kwargs.items():
+            setattr(self, key, value)
+
+
+class Helper:
+
+    WRITE_BYTES = 'wb'
+    READ_BYTES = 'rb'
+    APPEND = 'a'
+    WRITE = 'w'
+    READ = 'r'
+
+    @staticmethod
+    @Error.quiet
+    def write_file(filepath, data, mode=APPEND):
+        if mode == Helper.WRITE_BYTES:
+            with open(filepath, mode=mode) as wf:
+                wf.write(data)
+        else:
+            with open(filepath, mode=mode,
+                      encoding=Static.ENCODING,
+                      errors=Static.ERRORS) as wf:
+                wf.write(data)
+
+    @staticmethod
+    @Error.quiet
+    def read_file(filepath, mode=READ):
+        if mode == Helper.READ_BYTES:
+            with open(filepath, mode=mode) as rf:
+                return rf.read()
+        else:
+            with open(filepath, mode=mode,
+                      encoding=Static.ENCODING) as rf:
+                return rf.read()
+
+    @staticmethod
+    def clear_pyinstaller_temp():
+        if Static.EXE:
+            temp_dir = tempfile.gettempdir()
+
+            for filename in os.listdir(temp_dir):
+                if filename.startswith('_MEI'):
+                    if filename != Static.MEI:
+                        try:
+                            shutil.rmtree(os.path.join(
+                                temp_dir, filename), True)
+                        except Exception:
+                            pass
+
+    @staticmethod
+    def store(dictionary, keys):
+        for key in keys:
+            if key not in dictionary:
+                dictionary[key] = False
+
+        return (dictionary, Store(**dictionary))
+
+    @staticmethod
+    def run(args, shell=False):
+        process = subprocess.run(args, shell=shell,
+                                 stdin=subprocess.DEVNULL,
+                                 stdout=subprocess.DEVNULL,
+                                 stderr=subprocess.DEVNULL)
+
+        if process.returncode == 0:
+            return True
+        else:
+            return False
+
+    @staticmethod
+    def start(filepath):
+        if Static.WINDOWS:
+            os.startfile(filepath)
+        elif Static.MAC:
+            Helper.run(('open', filepath))
+        else:
+            Helper.run(('xdg-open', filepath))
+
+    @staticmethod
+    def thread(callback, *args):
+        threading.Thread(target=callback,
+                         args=args, daemon=True).start()
+
+    @staticmethod
+    def timestamp(date=time):
+        return date.strftime('%Y-%m-%d (%H:%M:%S)')
+
+    @staticmethod
+    def plural(iterable, end='s'):
+        if len(iterable) == 1:
+            return ''
+        else:
+            return end
+
+    @staticmethod
+    def join(*args):
+        return '\n'.join(args)