Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 1 | """Create an applet from a Python script. |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 2 | |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 3 | This puts up a dialog asking for a Python source file ('TEXT'). |
| 4 | The output is a file with the same name but its ".py" suffix dropped. |
| 5 | It is created by copying an applet template and then adding a 'PYC ' |
| 6 | resource named __main__ containing the compiled, marshalled script. |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 7 | """ |
| 8 | |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 9 | import sys |
Guido van Rossum | 57128fd | 1995-02-19 15:49:17 +0000 | [diff] [blame] | 10 | sys.stdout = sys.stderr |
| 11 | |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 12 | import string |
| 13 | import os |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 14 | import marshal |
| 15 | import imp |
| 16 | import macfs |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 17 | import MacOS |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 18 | from Res import * |
| 19 | |
| 20 | # .pyc file (and 'PYC ' resource magic number) |
| 21 | MAGIC = imp.get_magic() |
| 22 | |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 23 | # Template file (searched on sys.path) |
| 24 | TEMPLATE = "PythonApplet" |
| 25 | |
| 26 | # Specification of our resource |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 27 | RESTYPE = 'PYC ' |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 28 | RESNAME = '__main__' |
| 29 | |
| 30 | # OpenResFile mode parameters |
| 31 | READ = 1 |
| 32 | WRITE = 2 |
| 33 | |
| 34 | def main(): |
| 35 | |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 36 | # Find the template |
| 37 | # (there's no point in proceeding if we can't find it) |
| 38 | |
| 39 | for p in sys.path: |
| 40 | template = os.path.join(p, TEMPLATE) |
| 41 | try: |
| 42 | tmpl = open(template, "rb") |
Guido van Rossum | 57128fd | 1995-02-19 15:49:17 +0000 | [diff] [blame] | 43 | tmpl.close() |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 44 | break |
| 45 | except IOError: |
| 46 | continue |
| 47 | else: |
| 48 | # XXX Ought to put up a dialog |
Guido van Rossum | 57128fd | 1995-02-19 15:49:17 +0000 | [diff] [blame] | 49 | print "Template", `template`, "not found" |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 50 | return |
| 51 | |
Guido van Rossum | 57128fd | 1995-02-19 15:49:17 +0000 | [diff] [blame] | 52 | # Ask for source text if not specified in sys.argv[1:] |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 53 | |
Guido van Rossum | 57128fd | 1995-02-19 15:49:17 +0000 | [diff] [blame] | 54 | if not sys.argv[1:]: |
| 55 | srcfss, ok = macfs.StandardGetFile('TEXT') |
| 56 | if not ok: |
| 57 | return |
| 58 | filename = srcfss.as_pathname() |
| 59 | if not sys.argv: sys.argv.append('') |
| 60 | sys.argv.append(filename) |
| 61 | |
| 62 | # Loop over all files to be processed |
| 63 | |
| 64 | for filename in sys.argv[1:]: |
| 65 | process(template, filename) |
| 66 | |
| 67 | undefs = ('????', ' ', '\0\0\0\0') |
| 68 | |
| 69 | def process(template, filename): |
| 70 | |
| 71 | print "Processing", `filename`, "..." |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 72 | |
| 73 | # Read the source and compile it |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 74 | # (there's no point overwriting the destination if it has a syntax error) |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 75 | |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 76 | fp = open(filename) |
| 77 | text = fp.read() |
| 78 | fp.close() |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 79 | try: |
| 80 | code = compile(text, filename, "exec") |
| 81 | except (SyntaxError, EOFError): |
Guido van Rossum | 57128fd | 1995-02-19 15:49:17 +0000 | [diff] [blame] | 82 | print "Syntax error in script", `filename` |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 83 | return |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 84 | |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 85 | # Set the destination file name |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 86 | |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 87 | if string.lower(filename[-3:]) == ".py": |
| 88 | destname = filename[:-3] |
| 89 | else: |
| 90 | destname = filename + ".applet" |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 91 | |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 92 | # Copy the data from the template (creating the file as well) |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 93 | |
Guido van Rossum | 57128fd | 1995-02-19 15:49:17 +0000 | [diff] [blame] | 94 | tmpl = open(template, "rb") |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 95 | dest = open(destname, "wb") |
| 96 | data = tmpl.read() |
| 97 | if data: |
| 98 | dest.write(data) |
| 99 | dest.close() |
| 100 | tmpl.close() |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 101 | |
Jack Jansen | 77b5828 | 1995-02-20 15:49:27 +0000 | [diff] [blame^] | 102 | # Copy the creator of the template to the destination |
| 103 | # unless it already has one. Set type to APPL |
Guido van Rossum | 57128fd | 1995-02-19 15:49:17 +0000 | [diff] [blame] | 104 | tctor, ttype = MacOS.GetCreatorAndType(template) |
| 105 | ctor, type = MacOS.GetCreatorAndType(destname) |
Jack Jansen | 77b5828 | 1995-02-20 15:49:27 +0000 | [diff] [blame^] | 106 | if type in undefs: type = 'APPL' |
Guido van Rossum | 57128fd | 1995-02-19 15:49:17 +0000 | [diff] [blame] | 107 | if ctor in undefs: ctor = tctor |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 108 | MacOS.SetCreatorAndType(destname, ctor, type) |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 109 | |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 110 | # Open the input and output resource forks |
| 111 | |
| 112 | input = FSpOpenResFile(template, READ) |
| 113 | try: |
| 114 | output = FSpOpenResFile(destname, WRITE) |
| 115 | except MacOS.Error: |
| 116 | print "Creating resource fork..." |
| 117 | CreateResFile(destname) |
| 118 | output = FSpOpenResFile(destname, WRITE) |
| 119 | |
| 120 | # Copy the resources from the template, |
| 121 | # except a 'PYC ' resource named __main__ |
| 122 | |
| 123 | UseResFile(input) |
| 124 | ntypes = Count1Types() |
| 125 | for itype in range(1, 1+ntypes): |
| 126 | type = Get1IndType(itype) |
| 127 | nresources = Count1Resources(type) |
| 128 | for ires in range(1, 1+nresources): |
| 129 | res = Get1IndResource(type, ires) |
| 130 | id, type, name = res.GetResInfo() |
| 131 | if (type, name) == (RESTYPE, RESNAME): |
| 132 | continue # Don't copy __main__ from template |
| 133 | size = res.SizeResource() |
| 134 | attrs = res.GetResAttrs() |
| 135 | print id, type, name, size, hex(attrs) |
| 136 | res.LoadResource() |
| 137 | res.DetachResource() |
| 138 | UseResFile(output) |
| 139 | try: |
| 140 | res2 = Get1Resource(type, id) |
| 141 | except MacOS.Error: |
| 142 | res2 = None |
| 143 | if res2: |
| 144 | print "Overwriting..." |
| 145 | res2.RmveResource() |
| 146 | res.AddResource(type, id, name) |
| 147 | #res.SetResAttrs(attrs) |
| 148 | res.WriteResource() |
| 149 | UseResFile(input) |
| 150 | CloseResFile(input) |
| 151 | |
| 152 | # Make sure we're manipulating the output resource file now |
| 153 | |
| 154 | UseResFile(output) |
| 155 | |
| 156 | # Delete any existing 'PYC 'resource named __main__ |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 157 | |
| 158 | try: |
| 159 | res = Get1NamedResource(RESTYPE, RESNAME) |
| 160 | res.RmveResource() |
| 161 | except Error: |
| 162 | pass |
| 163 | |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 164 | # Create the raw data for the resource from the code object |
| 165 | |
| 166 | data = marshal.dumps(code) |
| 167 | del code |
| 168 | data = (MAGIC + '\0\0\0\0') + data |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 169 | |
| 170 | # Create the resource and write it |
| 171 | |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 172 | id = 0 |
| 173 | while id < 128: |
| 174 | id = Unique1ID(RESTYPE) |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 175 | res = Resource(data) |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 176 | res.AddResource(RESTYPE, id, RESNAME) |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 177 | res.WriteResource() |
| 178 | res.ReleaseResource() |
| 179 | |
| 180 | # Close the resource file |
| 181 | |
Guido van Rossum | 6a0fb6e | 1995-02-18 15:05:39 +0000 | [diff] [blame] | 182 | CloseResFile(output) |
Guido van Rossum | 57128fd | 1995-02-19 15:49:17 +0000 | [diff] [blame] | 183 | |
| 184 | print "Done with", `filename`, "..." |
| 185 | |
Guido van Rossum | 2d54692 | 1995-02-17 14:28:39 +0000 | [diff] [blame] | 186 | |
| 187 | if __name__ == '__main__': |
| 188 | main() |