- print("Input: " + msg)
-
-
-def tokenize(string):
- """Divide string by " ", \t and quotes (that also group). Escape with \."""
- charlist_A = list(string)
- i = 0
- for c in charlist_A:
- if "\\" == c and i < len(charlist_A) - 1:
- charlist_A[i] = "remove"
- charlist_A[i + 1] = charlist_A[i + 1] + "_escaped"
- i = i + 1
- charlist_B = []
- for c in charlist_A:
- if "remove" != c:
- charlist_B.append(c)
- in_quotes = 0
- i = 0
- for c in charlist_B:
- if "\"" == c:
- in_quotes = 0 if in_quotes else 1
- if i < len(charlist_B) - 1:
- charlist_B[i] = "separator"
- elif (not in_quotes) and (" " == c or "\t" == c):
- charlist_B[i] = "separator"
- i = i + 1
- list_of_charlists = [[]]
- i = 0
- for c in charlist_B:
- if "separator" == c:
- if [] != list_of_charlists[-1]:
- list_of_charlists.append([])
- i = i + 1
- else:
- list_of_charlists[i].append(c[0])
- tokens = []
- for charlist in list_of_charlists:
- tokens.append("".join(charlist))
- return tokens
-
-
-io_db = {}
-try:
+ print("input " + prefix + ": " + cmd)
+ try:
+ tokens = shlex.split(cmd, comments=True)
+ except ValueError as err:
+ print("Can't tokenize command string: " + str(err) + ".")
+ return
+ if 0 == len(tokens):
+ pass
+ elif "PING" == tokens[0] and 1 == len(tokens):
+ io_db["file_out"].write("PONG\n")
+ elif "QUIT" == tokens[0] and 1 == len(tokens):
+ record("# " + cmd, path_recordfile)
+ raise SystemExit("received QUIT command")
+ elif "MAKE_WORLD" == tokens[0] and 2 == len(tokens):
+ print("I would generate a new world now, if only I knew how.")
+ record(cmd, io_db)
+ else:
+ print("Invalid command/argument, or bad number of tokens.")
+
+
+def record(cmd, io_db):
+ """Append cmd string plus newline to file at path_recordfile. (Atomic.)"""
+ # This misses some optimizations from the original record(), namely only
+ # finishing the atomic write with expensive flush() and fsync() every 15
+ # seconds unless explicitely forced. Implement as needed.
+ path_tmp = io_db["path_record"] + io_db["tmp_suffix"]
+ if os.access(io_db["path_record"], os.F_OK):
+ shutil.copyfile(io_db["path_record"], path_tmp)
+ file = open(path_tmp, "a")
+ file.write(cmd + "\n")
+ file.flush()
+ os.fsync(file.fileno())
+ file.close()
+ if os.access(io_db["path_record"], os.F_OK):
+ os.remove(io_db["path_record"])
+ os.rename(path_tmp, io_db["path_record"])
+
+
+def obey_lines_in_file(path, name):
+ """Call obey() on each line of path's file, use name in input prefix."""
+ file = open(path, "r")
+ line_n = 1
+ for line in file.readlines():
+ obey(line.rstrip(), io_db, name + "file line " + str(line_n))
+ line_n = line_n + 1
+ file.close()
+
+
+def parse_command_line_arguments():
+ """Return settings values read from command line arguments."""