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import os
import json
dic = {"Empty": True}
path = r"/Users/albert/Documents/IGCSE_Past_Papers"
code = "Empty"
files = ["Empty"]
help_doc = '''Help on module 'search_past_papers':
--- set
> set (int)code
Accepts a valid 4-digit integer subject code and loads corresponding json.
Returns a dictionary from the json file that can be later used in 'print'.
--- list
> list *args
Accepts multiple arguments that will be concatenated into a string.
Returns all past papers that contain the string.
--- open
> open (char)option
Accepts a character indicating which file type to be opened.
- q: question paper only
- m: corresponding mark scheme only
- b: both question paper and corresponding mark scheme
Opens all files of the indicated type returned from the last 'list'.
--- help
> help
Returns a help document.
--- quit
> quit
Leaves the program properly and directly. '''
def subject(code):
dic = json.load(open(f"{code}.json"))
return dic
def search(dic, string):
flag = True
files = []
for year in dic.keys():
for file in dic[year].keys():
for page in dic[year][file].keys():
if string in dic[year][file][page]:
print(file, f"[Page {page}]")
files.append(file)
flag = False
if flag:
print("Warning: no file found, unable to use 'open' later")
files = ["Empty"]
return files
try:
while True:
action = input(">>> ")
action_l = action.split()
if len(action_l) <= 0:
print("Invalid syntax: no command entered")
elif action_l[0] == "set":
if len(action_l) == 2:
if len(action_l[1]) == 4:
try:
code = action_l[1]
dic = subject(code)
except FileNotFoundError:
print("Execution failed: subject not supported, try a different code")
else:
print(f"Execution failed: 'set' does not except argument '{action_l[1]}'")
else:
print(f"Execution failed: 'set' expects 1 argument, gets {len(action_l)-1}")
elif action_l[0] == "list":
if len(action_l) >= 2:
if "Empty" not in dic.keys():
files = search(dic, " ".join(action_l[1:]).lower())
else:
print("Execution failed: no subject selected, use 'set' first")
else:
print("Execution failed: 'list' expects at least 1 argument, gets 0")
elif action_l[0] == "help":
print(help_doc)
elif action_l[0] == "quit":
print("Process completed")
break
elif action_l[0] == "open":
if len(action_l) == 2:
if code != "Empty" and "Empty" not in files:
if action_l[1] == "m" or action_l[1] == "b":
for file in files:
os.system(f"open {path}/{code}/20{file[6:8]}/{file[:9]}ms{file[11:]}")
if action_l[1] == "q" or action_l[1] == "b":
for file in files:
os.system(f"open {path}/{code}/20{file[6:8]}/{file}")
elif action_l[1] not in ["q", "m", "b"]:
print(f"Execution failed: 'open' does not except argument '{action_l[1]}'")
elif code == "Empty":
print("Execution failed: no subject selected, use 'set' first")
else:
print("Execution failed: last 'list' finds no file")
else:
print(f"Execution failed: 'open' expects 1 argument, gets {len(action_l)-1}")
else:
print(f"Invalid syntax: command '{action_l[0]}' not found")
except KeyboardInterrupt:
print("Process exited")
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