6 ## so we can call directly as buildscripts/output-distance.py
7 me_path = os.path.abspath (os.path.split (sys.argv[0])[0])
8 sys.path.insert (0, me_path + '/../python/')
18 OUTPUT_EXPRESSION_PENALTY = 100
19 ORPHAN_GROB_PENALTY = 1000
21 def max_distance (x1, x2):
24 for (p,q) in zip (x1, x2):
25 dist = max (abs (p-q), dist)
30 empty_interval = (INFTY, -INFTY)
31 empty_bbox = (empty_interval, empty_interval)
33 def interval_is_empty (i):
36 def interval_length (i):
37 return max (i[1]-i[0], 0)
39 def interval_union (i1, i2):
40 return (min (i1[0], i2[0]),
43 def interval_intersect (i1, i2):
44 return (max (i1[0], i2[0]),
47 def bbox_is_empty (b):
48 return (interval_is_empty (b[0])
49 or interval_is_empty (b[1]))
51 def bbox_union (b1, b2):
52 return (interval_union (b1[X_AXIS], b2[X_AXIS]),
53 interval_union (b2[Y_AXIS], b2[Y_AXIS]))
55 def bbox_intersection (b1, b2):
56 return (interval_intersect (b1[X_AXIS], b2[X_AXIS]),
57 interval_intersect (b2[Y_AXIS], b2[Y_AXIS]))
60 return interval_length (b[X_AXIS]) * interval_length (b[Y_AXIS])
62 def bbox_diameter (b):
63 return max (interval_length (b[X_AXIS]),
64 interval_length (b[Y_AXIS]))
67 def difference_area (a, b):
68 return bbox_area (a) - bbox_area (bbox_intersection (a,b))
71 def __init__ (self, exp_list):
72 (self.name, self.origin, bbox_x,
73 bbox_y, self.output_expression) = tuple (exp_list)
75 self.bbox = (bbox_x, bbox_y)
76 self.centroid = (bbox_x[0] + bbox_x[1], bbox_y[0] + bbox_y[1])
79 return '%s: (%.2f,%.2f), (%.2f,%.2f)\n' % (self.name,
85 def axis_centroid (self, axis):
86 return apply (sum, self.bbox[axis]) / 2
88 def centroid_distance (self, other, scale):
89 return max_distance (self.centroid, other.centroid) / scale
91 def bbox_distance (self, other):
92 divisor = bbox_area (self.bbox) + bbox_area (other.bbox)
95 return (difference_area (self.bbox, other.bbox) +
96 difference_area (other.bbox, self.bbox)) / divisor
100 def expression_distance (self, other):
101 if self.output_expression == other.output_expression:
104 return OUTPUT_EXPRESSION_PENALTY
106 def distance(self, other, max_distance):
107 return (self.expression_distance (other)
108 + self.centroid_distance (other, max_distance)
109 + self.bbox_distance (other))
111 class SystemSignature:
112 def __init__ (self, grob_sigs):
115 val = d.setdefault (g.name, [])
119 self.set_all_bbox (grob_sigs)
121 def set_all_bbox (self, grobs):
122 self.bbox = empty_bbox
124 self.bbox = bbox_union (g.bbox, self.bbox)
126 def closest (self, grob_name, centroid):
130 grobs = self.grob_dict[grob_name]
133 d = max_distance (g.centroid, centroid)
144 return reduce (lambda x,y: x+y, self.grob_dict.values(), [])
147 def __init__ (self, system1, system2):
148 self.system1 = system1
149 self.system2 = system2
151 self.link_list_dict = {}
152 self.back_link_dict = {}
154 for g in system1.grobs ():
156 ## skip empty bboxes.
157 if bbox_is_empty (g.bbox):
160 closest = system2.closest (g.name, g.centroid)
162 self.link_list_dict.setdefault (closest, [])
163 self.link_list_dict[closest].append (g)
164 self.back_link_dict[g] = closest
169 scale = max (bbox_diameter (self.system1.bbox),
170 bbox_diameter (self.system2.bbox))
172 for (g1,g2) in self.back_link_dict.items ():
174 d += ORPHAN_GROB_PENALTY
176 d += g1.distance (g2, scale)
178 for (g1,g2s) in self.link_list_dict.items ():
180 d += ORPHAN_GROB_PENALTY
184 ################################################################
191 def read_signature_file (name):
192 print 'reading', name
193 exp_str = ("[%s]" % open (name).read ())
194 entries = safeeval.safe_eval (exp_str)
196 grob_sigs = [GrobSignature (e) for e in entries]
197 sig = SystemSignature (grob_sigs)
201 def compare_signature_files (f1, f2):
202 s1 = read_signature_file (f1)
203 s2 = read_signature_file (f2)
205 return SystemLink (s1, s2).distance ()
207 def paired_files (dir1, dir2, pattern):
209 Search DIR1 and DIR2 for PATTERN.
211 Return (PAIRED, MISSING-FROM-2, MISSING-FROM-1)
215 files1 = dict ((os.path.split (f)[1], 1) for f in glob.glob (dir1 + '/' + pattern))
216 files2 = dict ((os.path.split (f)[1], 1) for f in glob.glob (dir2 + '/' + pattern))
220 for f in files1.keys ():
227 return (pairs, files2.keys (), missing)
229 class ComparisonData:
231 self.result_dict = {}
235 def compare_trees (self, dir1, dir2):
236 self.compare_directories (dir1, dir2)
238 (root, dirs, files) = os.walk (dir1).next ()
240 d1 = os.path.join (dir1, d)
241 d2 = os.path.join (dir2, d)
243 if os.path.islink (d1) or os.path.islink (d2):
246 if os.path.isdir (d2):
247 self.compare_trees (d1, d2)
249 def compare_directories (self, dir1, dir2):
251 (paired, m1, m2) = paired_files (dir1, dir2, '*.signature')
253 self.missing += [(dir1, m) for m in m1]
254 self.added += [(dir2, m) for m in m2]
259 distance = compare_signature_files (f1, f2)
260 self.result_dict[f2] = (distance, f1)
262 def create_text_result_page (self, dir1, dir2):
263 self.write_text_result_page (dir2 + '/' + os.path.split (dir1)[1] + '.txt')
265 def write_text_result_page (self, filename):
266 print 'writing "%s"' % filename
271 out = open (filename, 'w')
273 results = [(score, oldfile, file) for (file, (score, oldfile)) in self.result_dict.items ()]
277 for (s, oldfile, f) in results:
278 out.write ('%-30f %-20s\n' % (s, f))
280 for (dir, file) in self.missing:
281 out.write ('%10s%-20s %s\n' % ('', 'missing',os.path.join (dir, file)))
282 for (dir, file) in self.added:
283 out.write ('%20s%-10s %s\n' % ('','added', os.path.join (dir, file)))
285 def print_results (self):
286 self.write_text_result_page ('')
288 def create_html_result_page (self, dir1, dir2):
289 dir1 = dir1.replace ('//', '/')
290 dir2 = dir2.replace ('//', '/')
294 results = [(score, oldfile, file) for (file, (score, oldfile)) in self.result_dict.items ()
295 if score > threshold]
301 old_prefix = os.path.split (dir1)[1]
303 dest_dir = os.path.join (dir2, old_prefix)
304 shutil.rmtree (dest_dir, ignore_errors=True)
306 for (score, oldfile, newfile) in results:
308 old_base = re.sub ("-[0-9]+.signature", '', oldfile)
309 old_name = os.path.split (old_base)[1]
310 new_base = re.sub ("-[0-9]+.signature", '', newfile)
312 for ext in 'png', 'ly':
313 src_file = old_base + '.' + ext
315 if os.path.exists (src_file):
316 shutil.copy2 (src_file, dest_dir)
318 print "warning: can't find", src_file
320 img_1 = os.path.join (old_prefix, old_name + '.png')
321 ly_1 = os.path.join (old_prefix, old_name + '.ly')
323 img_2 = new_base.replace (dir2, '') + '.png'
324 img_2 = re.sub ("^/*", '', img_2)
326 ly_2 = img_2.replace ('.png','.ly')
328 def img_cell (ly, img):
332 <img src="%(img)s" style="border-style: none; max-width: 500px;">
334 <font size="-2">(<a href="%(ly)s">source</a>)
348 ''' % (score, img_cell (ly_1, img_1), img_cell (ly_2, img_2))
354 <table rules="rows" border bordercolor="blue">
362 </html>''' % locals()
364 open (os.path.join (dir2, old_prefix) + '.html', 'w').write (html)
368 def compare_trees (dir1, dir2):
369 data = ComparisonData ()
370 data.compare_trees (dir1, dir2)
371 data.print_results ()
372 data.create_html_result_page (dir1, dir2)
373 # data.create_text_result_page (dir1, dir2)
375 ################################################################
386 def test_paired_files ():
387 print paired_files (os.environ["HOME"] + "/src/lilypond/scripts/",
388 os.environ["HOME"] + "/src/lilypond-stable/buildscripts/", '*.py')
391 def test_compare_trees ():
392 system ('rm -rf dir1 dir2')
393 system ('mkdir dir1 dir2')
394 system ('cp 20{-0.signature,.ly,.png} dir1')
395 system ('cp 20{-0.signature,.ly,.png} dir2')
396 system ('cp 20expr{-0.signature,.ly,.png} dir1')
397 system ('cp 19{-0.signature,.ly,.png} dir2/')
398 system ('cp 19{-0.signature,.ly,.png} dir1/')
399 system ('cp 20grob{-0.signature,.ly,.png} dir2/')
401 ## introduce difference
402 system ('cp 19-0.signature dir2/20-0.signature')
404 compare_trees ('dir1', 'dir2')
407 def test_basic_compare ():
408 ly_template = r"""#(set! toplevel-score-handler print-score-with-defaults)
409 #(set! toplevel-music-handler
411 (if (not (eq? (ly:music-property m 'void) #t))
412 (print-score-with-defaults
413 p (scorify-music m p)))))
417 \new Staff \relative c {
418 c^"%(userstring)s" %(extragrob)s
420 \new Staff \relative c {
421 c^"%(userstring)s" %(extragrob)s
426 dicts = [{ 'papermod' : '',
429 'userstring': 'test' },
430 { 'papermod' : '#(set-global-staff-size 19.5)',
433 'userstring': 'test' },
437 'userstring': 'blabla' },
441 'userstring': 'test' }]
444 open (d['name'] + '.ly','w').write (ly_template % d)
446 names = [d['name'] for d in dicts]
448 system ('lilypond -ddump-signatures --png -b eps ' + ' '.join (names))
450 sigs = dict ((n, read_signature_file ('%s-0.signature' % n)) for n in names)
452 for (n1, s1) in sigs.items():
453 for (n2, s2) in sigs.items():
454 combinations['%s-%s' % (n1, n2)] = SystemLink (s1,s2).distance ()
456 results = combinations.items ()
461 assert combinations['20-20'] == 0.0
462 assert combinations['20-20expr'] > 50.0
463 assert combinations['20-19'] < 10.0
467 sa = read_signature_file (a)
468 sb = read_signature_file (b)
469 link = SystemLink (sa, sb)
470 print link.distance()
475 dir = 'output-distance-test'
477 print 'test results in ', dir
479 system ('rm -rf ' + dir)
480 system ('mkdir ' + dir)
484 test_basic_compare ()
485 test_compare_trees ()
487 ################################################################
491 p = optparse.OptionParser ("output-distance - compare LilyPond formatting runs")
492 p.usage = 'output-distance.py [options] tree1 tree2'
494 p.add_option ('', '--test',
497 help='run test method')
499 (o,a) = p.parse_args ()
509 compare_trees (a[0], a[1])
511 if __name__ == '__main__':