-import errno, os, time
+import errno
+import os
+import time
+
+
+class HandledException(Exception):
+ """Feature-less Exception child. Use for expected operational errors."""
+
+ pass
+
def setup_server_io(io_db):
"""Fill IO files DB with proper file( path)s. Write process IO test string.
io_db["file_in"].close()
io_db["file_in"] = open(io_db["path_in"], "r")
+
def cleanup_server_io(io_db):
"""Close and remove all files in IO files DB."""
io_db["file_out"].close()
os.remove(io_db["path_out"])
io_db["file_in"].close()
os.remove(io_db["path_in"])
- if "file_worldstate" in io_db: # This file is only set up
- io_db["file_worldstate"].close() # properly when the game
- if os.access(io_db["path_worldstate"], os.F_OK): # world is active, which is
- os.remove(io_db["path_worldstate"]) # not guaranteed.
+ if "file_worldstate" in io_db: # This file's only set up
+ io_db["file_worldstate"].close() # properly when the game
+ if os.access(io_db["path_worldstate"], os.F_OK): # world is active, which
+ os.remove(io_db["path_worldstate"]) # is not guaranteed.
+
+
+def detect_atomic_leftover(path):
+ """Raise HandledException if file is found at path + "_tmp"."""
+ path_tmp = path + "_tmp"
+ msg = "Found file '" + path_tmp + "' that may be a leftover from an " \
+ "aborted previous attempt to write '" + path + "'. Aborting until " \
+ "the matter is resolved by removing it from its current path."
+ if os.access(path_tmp, os.F_OK):
+ raise HandledException(msg)
+
io_db = {}
try:
print("DUMMY: Open files.")
setup_server_io(io_db)
print("DUMMY: Run game.")
+ path_recordfile = "recordfile"
+ path_savefile = "savefile"
+ detect_atomic_leftover(path_savefile)
+ detect_atomic_leftover(path_recordfile)
+ if os.access(path_savefile, os.F_OK):
+ print(open(path_savefile, "r").read())
+ else:
+ msg = "MAKE_WORLD " + str(int(time.time()))
+ print(msg)
+except HandledException as exception:
+ print("Error:")
+ print(exception.args[0])
except:
- print("SOMETHING WENT WRONG\n")
+ print("SOMETHING WENT WRONG IN UNEXPECTED WAYS")
raise
finally:
cleanup_server_io(io_db)