mirror of
https://github.com/iKarith/cppo-ng.git
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Protect main program with __main__ test
Originally cppo was written as a shell script and was never intended to be a library of functions to be used by anyone else. Single-file Python modules are often written to be run as standalone programs either to do what they do from the command line or for testing purposes. Theoretically you do this if your code provides useful stuff for other programs to use, and it's hard to argue that cppo does that yet, but it is intended to do so in the future. Let's start working toward that.
This commit is contained in:
T. Joseph Carter
parent
1d1eed33d2
commit
3a3531514b
581
cppo
581
cppo
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@ -1058,311 +1058,312 @@ def isnumber(number):
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# --- start
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args = sys.argv
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if __name__ == '__main__':
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args = sys.argv
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while True: # breaks when there are no more arguments starting with dash
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while True: # breaks when there are no more arguments starting with dash
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if len(args) == 1:
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if len(args) == 1:
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usage()
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if args[1][0] != '-':
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break
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if args[1] == '-s':
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g.nomsg = 1
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args = args[1:]
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elif args[1] == '-n':
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g.nodir = 1
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args = args[1:]
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elif args[1] == '-uc':
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g.UC = 1
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args = args[1:]
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elif args[1] == '-ad':
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g.AD = 1
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g.PNAME = 1
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args = args[1:]
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elif args[1] == '-shk':
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g.SHK = 1
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args = args[1:]
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elif args[1] == '-pro':
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g.PNAME = 1
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args = args[1:]
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elif args[1] == '-e':
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g.EX = 1
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g.PNAME = 1
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args = args[1:]
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elif args[1] == '-cat':
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g.CAT = 1
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args = args[1:]
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else:
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usage()
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if g.AD and g.EX:
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usage()
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if args[1][0] != '-':
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break
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if args[1] == '-s':
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g.nomsg = 1
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args = args[1:]
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elif args[1] == '-n':
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g.nodir = 1
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args = args[1:]
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elif args[1] == '-uc':
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g.UC = 1
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args = args[1:]
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elif args[1] == '-ad':
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g.AD = 1
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g.PNAME = 1
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args = args[1:]
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elif args[1] == '-shk':
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g.SHK = 1
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args = args[1:]
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elif args[1] == '-pro':
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g.PNAME = 1
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args = args[1:]
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elif args[1] == '-e':
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g.EX = 1
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g.PNAME = 1
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args = args[1:]
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elif args[1] == '-cat':
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g.CAT = 1
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args = args[1:]
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if g.CAT:
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if len(args) != 2:
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usage()
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else:
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usage()
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if len(args) not in (3, 4):
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usage()
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if g.AD and g.EX:
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usage()
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if g.CAT:
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if len(args) != 2:
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usage()
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else:
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if len(args) not in (3, 4):
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usage()
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g.image_file = args[1]
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if not os.path.isfile(g.image_file):
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print("Image/archive file \"" + g.image_file + "\" was not found.")
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quitNow(2)
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g.image_name = os.path.splitext(os.path.basename(g.image_file))
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g.image_ext = g.image_name[1].lower()
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# automatically set ShrinkIt mode if extension suggests it
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if (g.SHK or g.image_ext in ('.shk', '.sdk', '.bxy'):
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if (os.name == "nt"):
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print("ShrinkIt archives cannot be extracted on Windows.")
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g.image_file = args[1]
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if not os.path.isfile(g.image_file):
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print("Image/archive file \"" + g.image_file + "\" was not found.")
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quitNow(2)
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else:
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try:
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with open(os.devnull, "w") as fnull:
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subprocess.call("nulib2", stdout = fnull, stderr = fnull)
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g.SHK=1
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except Exception:
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print("Nulib2 is not available; not expanding ShrinkIt archive.")
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g.image_name = os.path.splitext(os.path.basename(g.image_file))
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g.image_ext = g.image_name[1].lower()
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# automatically set ShrinkIt mode if extension suggests it
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if (g.SHK or g.image_ext in ('.shk', '.sdk', '.bxy'):
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if (os.name == "nt"):
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print("ShrinkIt archives cannot be extracted on Windows.")
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quitNow(2)
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else:
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try:
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with open(os.devnull, "w") as fnull:
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subprocess.call("nulib2", stdout = fnull, stderr = fnull)
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g.SHK=1
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except Exception:
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print("Nulib2 is not available; not expanding ShrinkIt archive.")
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quitNow(2)
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if (len(args) == 4):
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g.extract_file = args[2]
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if (len(args) == 4):
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g.extract_file = args[2]
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if g.extract_file:
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targetPath = args[3]
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if os.path.isdir(targetPath):
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g.targetDir = targetPath
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elif (targetPath.rsplit("/", 1) > 1):
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g.targetDir = targetPath.rsplit("/", 1)[0]
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g.targetName = targetPath.rsplit("/", 1)[1]
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if not os.path.isdir(g.targetDir):
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print("Target directory not found.")
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quitNow(2)
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else:
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if not g.CAT:
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if not os.path.isdir(args[2]):
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if g.extract_file:
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targetPath = args[3]
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if os.path.isdir(targetPath):
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g.targetDir = targetPath
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elif (targetPath.rsplit("/", 1) > 1):
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g.targetDir = targetPath.rsplit("/", 1)[0]
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g.targetName = targetPath.rsplit("/", 1)[1]
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if not os.path.isdir(g.targetDir):
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print("Target directory not found.")
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quitNow(2)
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if g.SHK:
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g.PNAME = 0
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if not g.CAT:
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targetDir = (args[3] if g.extract_file else args[2])
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unshkdir = ('/tmp' + "/cppo-" + str(uuid.uuid4()))
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makedirs(unshkdir)
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result = os.system("/bin/bash -c 'cd " + unshkdir + "; " +
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"result=$(nulib2 -xse " + os.path.abspath(g.image_file) +
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((" " + args[2].replace('/', ':'))
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if g.extract_file else "") + " 2> /dev/null); " +
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"if [[ $result == \"Failed.\" ]]; then exit 3; " +
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"else if grep -q \"no records match\" <<< \"$result\"" +
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" > /dev/null; then exit 2; else exit 0; fi; fi'")
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if (result == 512):
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print("File not found in ShrinkIt archive. Try cppo -cat to get the path,")
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print(" and omit any leading slash or colon.")
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quitNow(1)
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elif (result != 0):
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print("ShrinkIt archive is invalid, or some other problem happened.")
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quitNow(1)
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if g.extract_file:
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g.extract_file = g.extract_file.replace(':', '/')
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extractPath = (unshkdir + "/" + g.extract_file)
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extractPathDir = os.path.dirname(extractPath)
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# move the extracted file to the root
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newunshkdir = ('/tmp' + "/cppo-" + str(uuid.uuid4()))
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makedirs(newunshkdir)
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for filename in os.listdir(extractPathDir):
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shutil.move(extractPathDir + "/" + filename, newunshkdir)
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shutil.rmtree(unshkdir)
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unshkdir = newunshkdir
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fileNames = [name for name in sorted(os.listdir(unshkdir))
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if not name.startswith(".")]
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if g.nodir: # extract in place from "-n"
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curDir = True
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elif (len(fileNames) == 1 and
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os.path.isdir(unshkdir + "/" + fileNames[0])):
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curDir = True # only one folder at top level, so extract in place
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volumeName = toProdosName(fileNames[0])
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elif (len(fileNames) == 1 and # disk image, so extract in place
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fileNames[0][-1:] == "i"):
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curDir = True
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volumeName = toProdosName(fileNames[0].split("#")[0])
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else: # extract in folder based on disk image name
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curDir = False
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volumeName = toProdosName(os.path.basename(g.image_file))
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if (volumeName[-4:].lower() == ".shk" or
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volumeName[-4:].lower() == ".sdk" or
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volumeName[-4:].lower() == ".bxy"):
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volumeName = volumeName[0:-4]
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if not g.CAT and not curDir and not g.extract_file:
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print("Extracting into " + volumeName)
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# recursively process unshrunk archive hierarchy
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for dirName, subdirList, fileList in os.walk(unshkdir):
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subdirList.sort()
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else:
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if not g.CAT:
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g.targetDir = (targetDir + ("" if curDir else ("/" + volumeName)) +
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("/" if (dirName.count('/') > 2) else "") +
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("/".join(dirName.split('/')[3:]))) # chop tempdir
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if g.extract_file: # solo item, so don't put it in the tree
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g.targetDir = targetDir
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if g.UC:
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g.targetDir = g.targetDir.upper()
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if not os.path.isdir(args[2]):
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print("Target directory not found.")
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quitNow(2)
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if g.SHK:
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g.PNAME = 0
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if not g.CAT:
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targetDir = (args[3] if g.extract_file else args[2])
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unshkdir = ('/tmp' + "/cppo-" + str(uuid.uuid4()))
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makedirs(unshkdir)
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result = os.system("/bin/bash -c 'cd " + unshkdir + "; " +
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"result=$(nulib2 -xse " + os.path.abspath(g.image_file) +
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((" " + args[2].replace('/', ':'))
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if g.extract_file else "") + " 2> /dev/null); " +
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"if [[ $result == \"Failed.\" ]]; then exit 3; " +
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"else if grep -q \"no records match\" <<< \"$result\"" +
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" > /dev/null; then exit 2; else exit 0; fi; fi'")
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if (result == 512):
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print("File not found in ShrinkIt archive. Try cppo -cat to get the path,")
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print(" and omit any leading slash or colon.")
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quitNow(1)
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elif (result != 0):
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print("ShrinkIt archive is invalid, or some other problem happened.")
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quitNow(1)
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if g.extract_file:
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g.extract_file = g.extract_file.replace(':', '/')
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extractPath = (unshkdir + "/" + g.extract_file)
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extractPathDir = os.path.dirname(extractPath)
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# move the extracted file to the root
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newunshkdir = ('/tmp' + "/cppo-" + str(uuid.uuid4()))
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makedirs(newunshkdir)
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for filename in os.listdir(extractPathDir):
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shutil.move(extractPathDir + "/" + filename, newunshkdir)
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shutil.rmtree(unshkdir)
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unshkdir = newunshkdir
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fileNames = [name for name in sorted(os.listdir(unshkdir))
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if not name.startswith(".")]
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if g.nodir: # extract in place from "-n"
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curDir = True
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elif (len(fileNames) == 1 and
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os.path.isdir(unshkdir + "/" + fileNames[0])):
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curDir = True # only one folder at top level, so extract in place
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volumeName = toProdosName(fileNames[0])
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elif (len(fileNames) == 1 and # disk image, so extract in place
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fileNames[0][-1:] == "i"):
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curDir = True
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volumeName = toProdosName(fileNames[0].split("#")[0])
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else: # extract in folder based on disk image name
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curDir = False
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volumeName = toProdosName(os.path.basename(g.image_file))
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if (volumeName[-4:].lower() == ".shk" or
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volumeName[-4:].lower() == ".sdk" or
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volumeName[-4:].lower() == ".bxy"):
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volumeName = volumeName[0:-4]
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if not g.CAT and not curDir and not g.extract_file:
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print("Extracting into " + volumeName)
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# recursively process unshrunk archive hierarchy
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for dirName, subdirList, fileList in os.walk(unshkdir):
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subdirList.sort()
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if not g.CAT:
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g.targetDir = (targetDir + ("" if curDir else ("/" + volumeName)) +
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("/" if (dirName.count('/') > 2) else "") +
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("/".join(dirName.split('/')[3:]))) # chop tempdir
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if g.extract_file: # solo item, so don't put it in the tree
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g.targetDir = targetDir
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if g.UC:
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g.targetDir = g.targetDir.upper()
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g.ADdir = (g.targetDir + "/.AppleDouble")
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makedirs(g.targetDir)
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if g.AD:
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makedirs(g.ADdir)
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for fname in sorted(fileList):
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if (fname[-1:] == "i"):
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# disk image; rename to include suffix and correct type/auxtype
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imagePath = os.path.join(dirName, fname).split("#")[0]
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new_name = (imagePath +
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("" if (imagePath.lower().endswith(".po") or
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imagePath.lower().endswith(".hdv"))
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else ".PO") + "#e00005")
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os.rename(os.path.join(dirName, fname), new_name)
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fname = os.path.basename(new_name)
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g.shk_hasrf = False
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rfork = False
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if (fname[-1:] == "r" and
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os.path.isfile(os.path.join(dirName, fname[:-1]))):
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rfork = True
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elif (os.path.isfile(os.path.join(dirName, (fname + "r")))):
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g.shk_hasrf = True
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if not rfork:
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processEntry(dirName, fname)
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shutil.rmtree(unshkdir, True)
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quitNow(0)
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# end script if SHK
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g.image_data = loadFile(g.image_file)
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if g.image_ext in ('.2mg', '.2img'):
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g.image_data = g.image_data[64:]
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# handle 140K disk image
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if (len(g.image_data) == 143360):
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#print("140K disk")
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prodosDisk = 0
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fixOrder = 0
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# is it ProDOS?
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if (to_hex(readchars(g.image_data, ts(0,0)+0, 4)) == '0138b003'):
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#print("detected ProDOS by boot block")
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if (readchars(g.image_data, ts(0,1)+3, 6) == b'PRODOS'):
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prodosDisk = 1
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#print("order OK (PO)")
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elif (readchars(g.image_data, ts(0,14)+3, 6) == b'PRODOS'):
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#print("order needs fixing (DO)")
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prodosDisk = 1
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fixOrder = 1
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# is it DOS 3.3?
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else:
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#print("it's not ProDOS")
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if (readcharDec(g.image_data, ts(17,0)+3) == 3):
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vtocT = readcharDec(g.image_data, ts(17,0)+1)
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vtocS = readcharDec(g.image_data, ts(17,0)+2)
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if (vtocT<35 and vtocS<16):
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#print("it's DOS 3.3")
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g.D33 = 1
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# it's DOS 3.3; check sector order next
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if (readcharDec(g.image_data, ts(17,14)+2) != 13):
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#print("order needs fixing (PO)")
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fixOrder = 1
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#else: print("order OK (DO)")
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# fall back on disk extension if weird boot block (e.g. AppleCommander)
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if not prodosDisk and not g.D33:
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#print("format and ordering unknown, checking extension")
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if g.image_ext in ('.dsk', '.do'):
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fixOrder = 1
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#print("extension indicates DO, changing to PO")
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if fixOrder:
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#print("fixing order")
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# for each track,
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# read each sector in the right sequence to make
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# valid ProDOS blocks (sector pairs)
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imageDataFixed = bytearray(143360)
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for t in range(0, 35):
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for s in [0, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 15]:
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writechars(imageDataFixed,
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ts(t,((15-s) if (s%15) else s)),
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readchars(g.image_data, ts(t,s), 256))
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g.image_data = bytes(imageDataFixed)
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#print("saving fixed order file as outfile.dsk")
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#saveFile("outfile.dsk", g.image_data)
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#print("saved")
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if not prodosDisk and not g.D33:
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print("Warning: Unable to determine disk format, assuming ProDOS.")
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# enforce leading slash if ProDOS
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if (not g.SHK and not g.D33 and g.extract_file and
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(args[2][0] not in ('/', ':'))):
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usage()
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if g.D33:
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diskName = (g.image_name[0] if g.image_ext in ('.dsk', '.do', '.po')
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else "".join(g.image_name))
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if g.PNAME:
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diskName = toProdosName(diskName)
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if not g.CAT:
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g.targetDir = (args[3] if g.extract_file
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else (args[2] + "/" + diskName))
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g.ADdir = (g.targetDir + "/.AppleDouble")
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makedirs(g.targetDir)
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if g.AD:
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makedirs(g.ADdir)
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for fname in sorted(fileList):
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if (fname[-1:] == "i"):
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# disk image; rename to include suffix and correct type/auxtype
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imagePath = os.path.join(dirName, fname).split("#")[0]
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new_name = (imagePath +
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("" if (imagePath.lower().endswith(".po") or
|
||||
imagePath.lower().endswith(".hdv"))
|
||||
else ".PO") + "#e00005")
|
||||
os.rename(os.path.join(dirName, fname), new_name)
|
||||
fname = os.path.basename(new_name)
|
||||
g.shk_hasrf = False
|
||||
rfork = False
|
||||
if (fname[-1:] == "r" and
|
||||
os.path.isfile(os.path.join(dirName, fname[:-1]))):
|
||||
rfork = True
|
||||
elif (os.path.isfile(os.path.join(dirName, (fname + "r")))):
|
||||
g.shk_hasrf = True
|
||||
if not rfork:
|
||||
processEntry(dirName, fname)
|
||||
shutil.rmtree(unshkdir, True)
|
||||
quitNow(0)
|
||||
|
||||
# end script if SHK
|
||||
|
||||
g.image_data = loadFile(g.image_file)
|
||||
|
||||
if g.image_ext in ('.2mg', '.2img'):
|
||||
g.image_data = g.image_data[64:]
|
||||
|
||||
# handle 140K disk image
|
||||
if (len(g.image_data) == 143360):
|
||||
#print("140K disk")
|
||||
prodosDisk = 0
|
||||
fixOrder = 0
|
||||
# is it ProDOS?
|
||||
if (to_hex(readchars(g.image_data, ts(0,0)+0, 4)) == '0138b003'):
|
||||
#print("detected ProDOS by boot block")
|
||||
if (readchars(g.image_data, ts(0,1)+3, 6) == b'PRODOS'):
|
||||
prodosDisk = 1
|
||||
#print("order OK (PO)")
|
||||
elif (readchars(g.image_data, ts(0,14)+3, 6) == b'PRODOS'):
|
||||
#print("order needs fixing (DO)")
|
||||
prodosDisk = 1
|
||||
fixOrder = 1
|
||||
# is it DOS 3.3?
|
||||
else:
|
||||
#print("it's not ProDOS")
|
||||
if (readcharDec(g.image_data, ts(17,0)+3) == 3):
|
||||
vtocT = readcharDec(g.image_data, ts(17,0)+1)
|
||||
vtocS = readcharDec(g.image_data, ts(17,0)+2)
|
||||
if (vtocT<35 and vtocS<16):
|
||||
#print("it's DOS 3.3")
|
||||
g.D33 = 1
|
||||
# it's DOS 3.3; check sector order next
|
||||
if (readcharDec(g.image_data, ts(17,14)+2) != 13):
|
||||
#print("order needs fixing (PO)")
|
||||
fixOrder = 1
|
||||
#else: print("order OK (DO)")
|
||||
# fall back on disk extension if weird boot block (e.g. AppleCommander)
|
||||
if not prodosDisk and not g.D33:
|
||||
#print("format and ordering unknown, checking extension")
|
||||
if g.image_ext in ('.dsk', '.do'):
|
||||
fixOrder = 1
|
||||
#print("extension indicates DO, changing to PO")
|
||||
if fixOrder:
|
||||
#print("fixing order")
|
||||
# for each track,
|
||||
# read each sector in the right sequence to make
|
||||
# valid ProDOS blocks (sector pairs)
|
||||
imageDataFixed = bytearray(143360)
|
||||
for t in range(0, 35):
|
||||
for s in [0, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 15]:
|
||||
writechars(imageDataFixed,
|
||||
ts(t,((15-s) if (s%15) else s)),
|
||||
readchars(g.image_data, ts(t,s), 256))
|
||||
g.image_data = bytes(imageDataFixed)
|
||||
#print("saving fixed order file as outfile.dsk")
|
||||
#saveFile("outfile.dsk", g.image_data)
|
||||
#print("saved")
|
||||
|
||||
if not prodosDisk and not g.D33:
|
||||
print("Warning: Unable to determine disk format, assuming ProDOS.")
|
||||
|
||||
# enforce leading slash if ProDOS
|
||||
if (not g.SHK and not g.D33 and g.extract_file and
|
||||
(args[2][0] not in ('/', ':'))):
|
||||
usage()
|
||||
|
||||
if g.D33:
|
||||
diskName = (g.image_name[0] if g.image_ext in ('.dsk', '.do', '.po')
|
||||
else "".join(g.image_name))
|
||||
if g.PNAME:
|
||||
diskName = toProdosName(diskName)
|
||||
if not g.CAT:
|
||||
g.targetDir = (args[3] if g.extract_file
|
||||
else (args[2] + "/" + diskName))
|
||||
g.ADdir = (g.targetDir + "/.AppleDouble")
|
||||
makedirs(g.targetDir)
|
||||
if g.AD:
|
||||
makedirs(g.ADdir)
|
||||
if not g.extract_file:
|
||||
print("Extracting into " + diskName)
|
||||
processDir([readcharDec(g.image_data, ts(17,0)+1),
|
||||
readcharDec(g.image_data, ts(17,0)+2)])
|
||||
if g.extract_file:
|
||||
print("ProDOS file not found within image file.")
|
||||
quitNow(0)
|
||||
|
||||
# below: ProDOS
|
||||
|
||||
g.activeDirBlock = 0
|
||||
g.activeFileName = ""
|
||||
g.activeFileSize = 0
|
||||
g.activeFileBytesCopied = 0
|
||||
g.resourceFork = 0
|
||||
g.PDOSPATH_INDEX = 0
|
||||
g.PNAME = 0
|
||||
|
||||
if g.extract_file:
|
||||
g.PDOSPATH = g.extract_file.replace(':', '/').split('/')
|
||||
g.extract_file = None
|
||||
if not g.PDOSPATH[0]:
|
||||
g.PDOSPATH_INDEX += 1
|
||||
g.PDOSPATH_SEGMENT = g.PDOSPATH[g.PDOSPATH_INDEX]
|
||||
g.ADdir = (g.targetDir + "/.AppleDouble")
|
||||
if not ((not g.AD) or os.path.isdir(g.ADdir)):
|
||||
mkdir(g.ADdir)
|
||||
processDir(2)
|
||||
print("ProDOS file not found within image file.")
|
||||
quitNow(2)
|
||||
else:
|
||||
if not g.CAT:
|
||||
# print(args[0], args[1], args[2])
|
||||
g.targetDir = (args[2] + "/" + getVolumeName().decode("L1"))
|
||||
g.ADdir = (g.targetDir + "/.AppleDouble")
|
||||
if not os.path.isdir(g.targetDir):
|
||||
makedirs(g.targetDir)
|
||||
if not ((not g.AD) or os.path.isdir(g.ADdir)):
|
||||
makedirs(g.ADdir)
|
||||
processDir(2)
|
||||
if not g.CAT:
|
||||
if not g.extract_file:
|
||||
print("Extracting into " + diskName)
|
||||
processDir([readcharDec(g.image_data, ts(17,0)+1),
|
||||
readcharDec(g.image_data, ts(17,0)+2)])
|
||||
if g.extract_file:
|
||||
print("ProDOS file not found within image file.")
|
||||
quitNow(0)
|
||||
|
||||
# below: ProDOS
|
||||
|
||||
g.activeDirBlock = 0
|
||||
g.activeFileName = ""
|
||||
g.activeFileSize = 0
|
||||
g.activeFileBytesCopied = 0
|
||||
g.resourceFork = 0
|
||||
g.PDOSPATH_INDEX = 0
|
||||
g.PNAME = 0
|
||||
|
||||
if g.extract_file:
|
||||
g.PDOSPATH = g.extract_file.replace(':', '/').split('/')
|
||||
g.extract_file = None
|
||||
if not g.PDOSPATH[0]:
|
||||
g.PDOSPATH_INDEX += 1
|
||||
g.PDOSPATH_SEGMENT = g.PDOSPATH[g.PDOSPATH_INDEX]
|
||||
g.ADdir = (g.targetDir + "/.AppleDouble")
|
||||
if not ((not g.AD) or os.path.isdir(g.ADdir)):
|
||||
mkdir(g.ADdir)
|
||||
processDir(2)
|
||||
print("ProDOS file not found within image file.")
|
||||
quitNow(2)
|
||||
else:
|
||||
if not g.CAT:
|
||||
# print(args[0], args[1], args[2])
|
||||
g.targetDir = (args[2] + "/" + getVolumeName().decode("L1"))
|
||||
g.ADdir = (g.targetDir + "/.AppleDouble")
|
||||
if not os.path.isdir(g.targetDir):
|
||||
makedirs(g.targetDir)
|
||||
if not ((not g.AD) or os.path.isdir(g.ADdir)):
|
||||
makedirs(g.ADdir)
|
||||
processDir(2)
|
||||
if not g.CAT:
|
||||
quitNow(0)
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user