finish implementing features from prototype.

cheatsheet.md

@@ -1,25 +0,0 @@
-# Cheatsheet
-
-Here is a collection of shortcuts you are trying to learn.
-
-## Emacs
-
-- `**ctrl-c e**`: Does something fancy.
-- **m-x c e l p**: Exports .org file to .pdf.
-
-## Custom Global Shortcuts
-
-`num-4`: Opens Emacs at tasks.org.
-
-`num-5`: Pushes published files to abbether.
-
-`num-6`: Opens this cheatsheet.
-
-## Block code
-
-```python
-from rich.console import Console
-
-console = Console()
-```
-

main.py

@@ -1,41 +0,0 @@
-import argparse
-from rich.console import Console
-from rich.markdown import Markdown
-from rich.table import Column, Table
-
-
-def parse_arguments():
-    parser = argparse.ArgumentParser(
-        "Displays a nicely formatted cheatsheet of")
-    parser.add_argument("-a", "--append",
-                        help="Append a shortcut to your collection using Markdown.")
-    args = parser.parse_args()
-    return args
-
-
-def display_file():
-    with open("cheatsheet.md") as cheats:
-        markdown = Markdown(cheats.read())
-    console = Console()
-    console.print(markdown)
-
-
-def append_to_file(data):
-    # This is not implemented.
-    x = 0
-
-
-def main():
-    args = parse_arguments()
-    a = args.append
-    # print(args)
-    if a is None:
-        display_file()
-    else:
-        print("Appending to file...")
-        append_to_file(args.append)
-    x = 4
-
-
-if __name__ == "__main__":
-    main()

requirements.txt

@@ -0,0 +1,9 @@
+altgraph==0.17
+colorama==0.4.3
+commonmark==0.9.1
+pkg-resources==0.0.0
+pprintpp==0.4.0
+Pygments==2.6.1
+PyInstaller==3.6
+rich==1.0.0
+typing-extensions==3.7.4.2

scl.py

@@ -0,0 +1,110 @@
+#!/usr/bin/python3
+
+from sys import stdin
+import argparse
+import logging
+from pathlib import Path
+from rich import print
+from rich.console import Console
+from rich.markdown import Markdown
+from rich.logging import RichHandler
+from rich.traceback import install
+
+# Global Variables (Making things easy for myself)
+# ====================================================================
+logging.basicConfig(level="NOTSET", format="%(message)s",
+                    datefmt="[%X] ", handlers=[RichHandler()])
+log = logging.getLogger("rich")
+# install()
+console = Console()
+data_location = Path.joinpath(Path.home(), "shortcut-learner.md")
+
+# ====================================================================
+
+
+def parse_arguments():
+    parser = argparse.ArgumentParser(
+        "Displays a nicely formatted cheatsheet in the console.")
+    parser.add_argument("-a", "--append",
+                        help="Append a shortcut to your collection using Markdown.")
+    parser.add_argument("-d", "--delete", action="store_true",
+                        help="Deletes file storing your shortcuts list.")
+    args = parser.parse_args()
+    return args
+
+
+def create_new_file():
+    print("Create new file [b](Y/n)[/b]? ", end="")
+    create = stdin.readline(1).strip()
+    if create == "y" or not create:
+        log.info(f"Creating new data file at: {data_location}")
+        try:
+            with open(f"{data_location}", "w+") as new_file:
+                new_file.write("# Shortcuts \n\n")
+                new_file.write(
+                    "The shortcuts I intend to learn are as follows:\n\n")
+        except IOError:
+            log.critical("Data file could not be created.")
+            console.print_exception()
+        except Exception as e:
+            log.critical("Unrecoverable system error.")
+            console.print_exception()
+    elif create == "n":
+        log.info("No data file created. Exiting program.")
+    else:
+        log.error("Invalid argument. Please enter 'y' or 'n'. Exiting program.")
+
+
+def load_file():
+    try:
+        with open(data_location) as data_file:
+            markdown = Markdown(data_file.read())
+            console.print(markdown)
+    except IOError:
+        log.warning("Data file cannot be found.")
+        create_new_file()
+    except Exception as e:
+        log.critical("Unrecoverable system error.")
+        console.print_exception()
+
+
+def append_to_file(data):
+    log.info(f"\"{data}\" added to file.")
+    log.info("Opening data file...")
+    try:
+        with open(data_location, "a") as data_file:
+            data_file.write(f"{data}\n\n")
+    except IOError:
+        log.warning("Data file cannot be found.")
+        create_new_file()
+    except Exception as e:
+        log.critical("Unrecoverable system error.")
+        console.print_exception()
+
+
+def delete_file():
+    try:
+        log.warning(f"Deleting file {data_location}...")
+        Path.unlink(data_location)
+        log.info("File deleted.")
+    except IOError:
+        log.info("No file was found. Nothing deleted.")
+    except Exception as e:
+        log.critical("Unrecoverable system error.")
+        console.print_exception()
+
+
+def main():
+    args = parse_arguments()
+    if args.delete is False:
+        if args.append is None:
+            load_file()
+        else:
+            append_to_file(args.append)
+            load_file()
+    else:
+        delete_file()
+
+
+if __name__ == "__main__":
+    main()