This file is indexed.

/usr/share/pyshared/TurtleArt/taexportlogo.py is in turtleart 98-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
#Copyright (c) 2008-10, Walter Bender

#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is
#furnished to do so, subject to the following conditions:

#The above copyright notice and this permission notice shall be included in
#all copies or substantial portions of the Software.

#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#THE SOFTWARE.

IGNORE = ["hideblocks", "showblocks", "fullscreen", "polar", "cartesian",
          "sandwichbottom", "id"]

import math
from tautils import walk_stack
try:
    from sugar.datastore import datastore
except:
    pass

def save_logo(tw):
    """ We need to set up the Turtle Art color palette and color processing. """
    color_processing = "\
to tasetpalette :i :r :g :b :myshade \r\
make \"s ((:myshade - 50) / 50) \r\
ifelse lessp :s 0 [ \r\
make \"s (1 + (:s *0.8)) \r\
make \"r (:r * :s) \r\
make \"g (:g * :s) \r\
make \"b (:b * :s) \r\
] [ \
make \"s (:s * 0.9) \r\
make \"r (:r + ((99-:r) * :s)) \r\
make \"g (:g + ((99-:g) * :s)) \r\
make \"b (:b + ((99-:b) * :s)) \r\
] \
setpalette :i (list :r :g :b) \r\
end \r\
\
to rgb :myi :mycolors :myshade \r\
make \"myr first :mycolors \r\
make \"mycolors butfirst :mycolors \r\
make \"myg first :mycolors \r\
make \"mycolors butfirst :mycolors \r\
make \"myb first :mycolors \r\
make \"mycolors butfirst :mycolors \r\
tasetpalette :myi :myr :myg :myb :myshade \r\
output :mycolors \r\
end \r\
\
to processcolor :mycolors :myshade \r\
if emptyp :mycolors [stop] \r\
make \"i :i + 1 \r\
processcolor (rgb :i :mycolors :myshade) :myshade \r\
end \r\
\
to tasetshade :shade \r\
make \"myshade modulo :shade 200 \r\
if greaterp :myshade 99 [make \"myshade (199-:myshade)] \r\
make \"i 7 \r\
make \"mycolors :colors \r\
processcolor :mycolors :myshade \r\
end \r\
\
to tasetpencolor :c \r\
make \"color (modulo (round :c) 100) \r\
setpencolor :color + 8 \r\
end \r\
\
make \"colors [ \
99  0  0 99  5  0 99 10  0 99 15  0 99 20  0 \
99 25  0 99 30  0 99 35  0 99 40  0 99 45  0 \
99 50  0 99 55  0 99 60  0 99 65  0 99 70  0 \
99 75  0 99 80  0 99 85  0 99 90  0 99 95  0 \
99 99  0 90 99  0 80 99  0 70 99  0 60 99  0 \
50 99  0 40 99  0 30 99  0 20 99  0 10 99  0 \
 0 99  0  0 99  5  0 99 10  0 99 15  0 99 20 \
 0 99 25  0 99 30  0 99 35  0 99 40  0 99 45 \
 0 99 50  0 99 55  0 99 60  0 99 65  0 99 70 \
 0 99 75  0 99 80  0 99 85  0 99 90  0 99 95 \
 0 99 99  0 95 99  0 90 99  0 85 99  0 80 99 \
 0 75 99  0 70 99  0 65 99  0 60 99  0 55 99 \
 0 50 99  0 45 99  0 40 99  0 35 99  0 30 99 \
 0 25 99  0 20 99  0 15 99  0 10 99  0  5 99 \
 0  0 99  5  0 99 10  0 99 15  0 99 20  0 99 \
25  0 99 30  0 99 35  0 99 40  0 99 45  0 99 \
50  0 99 55  0 99 60  0 99 65  0 99 70  0 99 \
75  0 99 80  0 99 85  0 99 90  0 99 95  0 99 \
99  0 99 99  0 90 99  0 80 99  0 70 99  0 60 \
99  0 50 99  0 40 99  0 30 99  0 20 99  0 10] \r\
make \"shade  50 \r\
tasetshade :shade \r"

    bs = tw.just_blocks()
    code = ""
    stack_count = 0
    show = 0

    # These flags are used to trigger the prepending of additional procedures.
    random = False
    fillscreen = False
    setcolor = False
    setxy = False
    pensize = False
    setpensize = False
    arc = False
    heap = False
    write = False
    minus = False
    division = False
    image = False

    """
    Walk through the code, substituting UCB Logo for Turtle Art primitives.
    """
    for b in bs:
        this_stack = ""
        data = walk_stack(tw, b)
        # We need to catch several special cases: stacks, random, etc.
        stack = False
        namedstack = False
        namedbox = False
        refstack = False
        refbox = False
        myvar = ""
        for d in data:
            if type(d) == type((1, 2)):
                (d, b) = d
            if type(d) is float:
                if namedbox:
                    myvar += str(d)
                    myvar += " "
                elif write:
                    this_stack += "labelsize "
                    this_stack += str(d)
                    write = False
                else:
                    this_stack += str(d)
            elif show == 2:
                # Use title for Journal objects
                if d[0:8] == '#smedia_':
                    try:
                        dsobject = datastore.get(d[8:])
                        this_stack += dsobject.metadata['title']
                        dsobject.destroy()
                    except:
                        this_stack += str(d)
                else:
                    this_stack += str(d)
                show = 0
            else:
                # Translate some Turtle Art primitives into UCB Logo
                if namedstack:
                    this_stack += "to "
                    this_stack += d[2:].replace(" ","_")
                    this_stack += "\r"
                    stack = True
                    namedstack = False
                elif namedbox:
                    if d[0:2] == "#s":
                        this_stack += "make \""
                        this_stack += d[2:].replace(" ","_")
                        this_stack += " " 
                        this_stack += myvar 
                        namedbox = False
                        myvar = ""
                    else:
                        myvar += d
                elif refstack:
                    this_stack += d[2:].replace(" ","_")
                    this_stack += " "
                    refstack = False
                elif refbox:
                    this_stack += ":" 
                    this_stack += d[2:].replace(" ","_")
                    refbox = False
                elif d == "stack":
                    refstack = True
                elif d == "box":
                    refbox = True
                elif d == "storeinbox":
                    namedbox = True
                elif d == "storeinbox1":
                    this_stack += "make \"box1"
                elif d == "box1":
                    this_stack += ":box1"
                elif d == "storeinbox2":
                    this_stack += "make \"box2"
                elif d == "box2":
                    this_stack += ":box2"
                elif d == "shade":
                    this_stack += ":shade"
                elif d == "setshade":
                    setcolor = True
                    this_stack += "tasetshade"
                elif d == "color":
                    this_stack += "pencolor"
                elif d == "nop":
                    this_stack += " "
                elif d == "start":
                    this_stack += "to start\r"
                    stack = True
                elif d == "nop1":
                    this_stack += "to stack1\r"
                    stack = True
                elif d == "nop2":
                    this_stack += "to stack2\r"
                    stack = True
                elif d == "nop3":
                    namedstack = True
                elif d == "stopstack":
                    this_stack += "stop"
                elif d == "clean":
                    this_stack += "clearscreen"
                elif d == "setxy":
                    setxy = True
                    this_stack += "tasetxy"
                elif d == "color":
                    this_stack += ":color"
                elif d == "plus":
                    this_stack += "sum"
                elif d == "setcolor":
                    setcolor = True
                    this_stack += "tasetpencolor"
                elif d == "fillscreen":
                    fillscreen = True
                    setcolor = True
                    this_stack += "tasetbackground"
                elif d == "random":
                    random = True
                    this_stack += "tarandom"
                elif d == "pensize":
                    pensize = True
                    this_stack += "tapensize"
                elif d == "setpensize":
                    setpensize = True
                    this_stack += "tasetpensize"
                elif d == "arc":
                    arc = True
                    this_stack += "taarc"
                elif d == "pop":
                    heap = True
                    this_stack += "tapop"
                elif d == "push":
                    heap = True
                    this_stack += "tapush"
                elif d == "heap":
                    heap = True
                    this_stack += "taprintheap"
                elif d == "emptyheap":
                    heap = True
                    this_stack += "taclearheap"
                elif d == "kbinput":
                    this_stack += "make \"keyboard readchar"
                elif d == "keyboard":
                    this_stack += ":keyboard"
                elif d == 'insertimage':
                    image = True
                elif image:
                    # Skip this arg
                    image = 2
                elif image == 2:
                    # Skip this arg
                    image = False
                elif d[0:2] == "#s":
                    # output single characters as a string
                    if len(d[2:]):
                        this_stack += "\""
                        this_stack += d[2:]
                    # make a sentence out of everything else
                    else:
                        this_stack += "sentence "
                        this_stack += d[2:].replace("\s"," \"")
                        this_stack += "\r"
                elif d == "write":
                    this_stack += "label"
                    write = True
                elif d == 'show' or d == 'showaligned':
                    this_stack += "label"
                    show = 1
                elif d == "minus2":
                    this_stack += "taminus"
                    minus = True
                elif d == "division":
                    this_stack += "quotient"
                elif d == "lpos":
                    this_stack += str(-tw.canvas.width/(tw.coord_scale*2))
                elif d == "rpos":
                    this_stack += str(tw.canvas.width/(tw.coord_scale*2))
                elif d == "bpos":
                    this_stack += str(-tw.canvas.height/(tw.coord_scale*2))
                elif d == "tpos":
                    this_stack += str(tw.canvas.height/(tw.coord_scale*2))
                elif d in IGNORE:
                    this_stack += " "
                elif show == 1 and d[0:2] == "#s":
                    this_stack += d[2:]
                # We don't handle depreciated 'template' blocks
                else:
                    this_stack += d
            this_stack += " "
        if stack:
            stack = False
        # if it is not a stack, we need to add a "to ta#" label
        elif len(data) > 0:
            this_stack = "to ta" + str(stack_count) + "\r" + this_stack
            stack_count += 1
        if len(data) > 0:
            code += this_stack
            code += "\rend\r"

    # We need to define some additional procedures.
    if minus: # Logo minus only takes one argument.
        code = "to taminus :y :x\routput sum :x minus :y\rend\r" + code
    if random: # to avoid negative numbers
        code = "to tarandom :min :max\r" + \
               "output (random (:max - :min)) + :min\rend\r" + code
    if fillscreen: # Set shade than background color
        code = "to tasetbackground :color :shade\r" + \
               "tasetshade :shade\rsetbackground :color\rend\r" + code
    if setcolor: # Load the Turtle Art color palette.
        code = color_processing + code
    if setpensize: # Set int of pensize
        code = "to tasetpensize :a\rsetpensize round :a\rend\r" + code
    if pensize: # Return only the first argument.
        code = "to tapensize\routput first round pensize\rend\r" + code
    if setxy: # Swap and round arguments
        code = "to tasetxy :x :y\rpenup\rsetxy :x :y\rpendown\rend\r" + code
    if arc: # Turtle Art 'arc' needs to be redefined.
        c = (2 * math.pi)/360
        code = "to taarc :a :r\rrepeat round :a [right 1 forward (" + \
               str(c) + " * :r)]\rend\r" + code
    if heap: # Add psuedo 'push' and 'pop'
        code = "to tapush :foo\rmake \"taheap fput :foo :taheap\rend\r" + \
            "to tapop\rif emptyp :taheap [stop]\rmake \"tmp first :taheap\r" + \
            "make \"taheap butfirst :taheap\routput :tmp\rend\r" + \
            "to taclearheap\rmake \"taheap []\rend\r" + \
            "to taprintheap \rprint :taheap\rend\r" + \
            "make \"taheap []\r" + code
    code = "window\r" + code
    return code