Make manconvert smarter

[phrases.git] / phrases.py

diff --git a/phrases.py b/phrases.py
index 43cc774e9266c5be8364f1977bddbede31a6aa77..b1a3a90dc1f14d353c8cd40a798ca9e7a40a2d64 100755 (executable)
--- a/phrases.py
+++ b/phrases.py
@@ -1,29 +1,32 @@
 #!/usr/bin/env python3
 # Display Latin famous phrases in the terminal
-# Armaan Bhojwani 2020
+# Armaan Bhojwani 2021
 
 import argparse
-import csv
-import random
-import sys
-import os.path
+from random import randint
+import sqlite3
+from sys import exit
+from os import path
 
-def main(args=sys.argv[1:]):
-    # Argument parsing
+
+def parse_args():
     parser = argparse.ArgumentParser(
-        description="Latin famous phrases in the terminal.")
+        description="Latin famous phrases in the terminal")
     parser.add_argument("-i", "--id",
                         action='store_true',
-                        help="print the id of the phrase.")
+                        help="print the id of the phrase")
     parser.add_argument("-l", "--latin",
                         action='store_true',
                         help="print the Latin phrase (default)")
     parser.add_argument("-e", "--english",
                         action='store_true',
-                        help="print the English translation.")
+                        help="print the English translation")
     parser.add_argument("-n", "--notes",
                         action='store_true',
                         help="print any notes on phrase")
+    parser.add_argument("-v", "--version",
+                        action='version',
+                        version="phrases 1.0.3")
     parser.add_argument("-m", "--min",
                         default=0,
                         type=int,
@@ -34,65 +37,59 @@ def main(args=sys.argv[1:]):
                         help="set the maximum length of Latin phrase")
     parser.add_argument("-p", "--num",
                         action='store_true',
-                        help="print number of possibilities within constraints")
+                        help="print number of possible phrases")
     parser.add_argument("-f", "--file",
-                        help="set the location of the phrase file")
-    args = parser.parse_args()
+                        help="set the location of the phrase database")
+    return parser.parse_args()
+
+
+def output():
+    data = c.fetchall()
+    row = list(data[randint(0, len(data) - 1)])
+
+    if not (args.id
+            or args.latin
+            or args.english
+            or args.notes
+            or args.num):
+        print(row[1])
+        exit(0)
+    else:
+        if args.id:
+            print(row[0])
+        if args.latin:
+            print(row[1])
+        if args.english:
+            print(row[2])
+        if args.notes:
+            print(row[3])
+        if args.num:
+            print(len(data))
+        exit(0)
 
-    right_length = []
 
-    # find phrase file
+def find_file():
     if args.file:
-        phrase_file = args.file
-    if os.path.isfile("phrases.csv"):
-        phrase_file = "phrases.csv"
-    elif os.path.isfile("/usr/local/share/phrases/phrases.csv"):
-        phrase_file = "/usr/local/share/phrases/phrases.csv"
+        return args.file
+    if path.isfile("phrases.db"):
+        return "phrases.db"
+    elif path.isfile("/usr/local/share/phrases/phrases.db"):
+        return "/usr/local/share/phrases/phrases.db"
     else:
-        sys.exit("cannot fine phrase database!")
+        exit("cannot find the phrase database!")
+
 
-    # convert csv file into list
-    with open(phrase_file) as f:
-        reader = csv.reader(f)
-        next(reader, None) # skip header
-        all_lines = list(reader)
-    f.close()
+def get_rand():
+    c.execute("SELECT * FROM phrases WHERE length <= (?) AND length >= (?)",
+              (args.max, args.min))
 
-    # iterate through all the phrases
-    for row in all_lines:
-        try: # generate a shortlist of phrases of the right length
-            if args.max >= int(row[4]) >= args.min:
-                right_length.append(row[0])
-        except: # skip malformed rows without exiting
-            pass
 
-    try: # choose a random id from the shortlist
-        chosen = int(right_length[random.randint(0, len(right_length) - 1)])
-    except:
-        sys.exit("no phrase within the given parameters!")
+def main():
+    get_rand()
+    output()
 
-    # Output as specified in flags
-    for row in all_lines:
-        if int(row[0]) == chosen:
-            if not (args.id
-                    or args.latin
-                    or args.english
-                    or args.notes
-                    or args.num):
-                print(row[1])
-                sys.exit(0)
-            else:
-                if args.id:
-                    print(row[1])
-                if args.latin:
-                    print(row[1])
-                if args.english:
-                    print(row[2])
-                if args.notes:
-                    print(row[3])
-                if args.num:
-                    print(len(right_length))
-                sys.exit(0)
 
 if __name__ == "__main__":
+    args = parse_args()
+    c = sqlite3.connect(find_file()).cursor()
     main()