source: python/aubio/web/html.py @ d45d118

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since d45d118 was d45d118, checked in by Paul Brossier <piem@altern.org>, 18 years ago

web: use multiple pitch methods
web: use multiple pitch methods
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File size: 9.6 KB
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1from aubio.bench.node import *
2
3def parse_args(req):
4    req.basehref = BASEHREF
5    req.datadir = DATADIR
6    if req.path_info: path_info = req.path_info
7    else: path_info = '/'
8    location = re.sub('^/show_[a-z0-9]*/','',path_info)
9    location = re.sub('^/play_[a-z0-9]*/','',location)
10    location = re.sub('^/index/','',location)
11    location = re.sub('^/','',location)
12    location = re.sub('/$','',location)
13    datapath = "%s/%s" % (DATADIR,location)
14    respath  = "%s/%s" % (DATADIR,location)
15    last     = re.sub('/$','',location)
16    last     = last.split('/')[-1]
17    first    = path_info.split('/')[1]
18    # store some of this in the mp_request
19    req.location, req.datapath, req.respath = location, datapath, respath
20    req.first, req.last = first, last
21
22    if location:
23        if not (os.path.isfile(datapath) or 
24                os.path.isdir(datapath) or 
25                location in ['feedback','email']):
26                # the path was not understood
27                from mod_python import apache
28                req.write("<html> path not found %s</html>" % (datapath))
29                raise apache.SERVER_RETURN, apache.OK
30                #from mod_python import apache
31                #raise apache.SERVER_RETURN, apache.HTTP_NOT_FOUND
32
33def navigation(req):
34    """ main html navigation header """
35    from mod_python import psp
36    req.content_type = "text/html"
37    parse_args(req)
38    datapath = req.datapath
39    location = req.location
40
41    # deal with session
42    if req.sess.is_new():
43            msg = "<b>Welcome %s</b><br>" % req.sess['login']
44    else:
45            msg = "<b>Welcome back %s</b><br>" % req.sess['login']
46
47    # start writing
48    tmpl = psp.PSP(req, filename='header.tmpl')
49    tmpl.run(vars = { 'title': "aubioweb / %s / %s" % (req.first,location),
50                'basehref': '/~piem/',
51                'message': msg,
52                'action': req.first})
53
54    req.write("<h2>Content of ")
55    print_link(req,"","/")
56    y = location.split('/')
57    for i in range(len(y)-1): 
58        print_link(req,"/".join(y[:i+1]),y[i])
59        req.write(" / ")
60    req.write("%s</h2>\n" % y[-1])
61
62    a = {'show_info' : 'info',
63         'show_sound': 'waveform',
64         'show_onset': 'onset',
65         'index'     : 'index',
66         'show_pitch': 'pitch',
67         'play_m3u': 'stream (m3u/ogg)',
68         'play_ogg': 'save (ogg)',
69         'play_wav': 'save (wav)',
70         }
71
72    # print task lists (only remaining tasks)
73    print_link(req,re.sub('%s.*'%req.last,'',location),"go up")
74    akeys = a.keys(); akeys.sort();
75    curkey = req.first
76    for akey in akeys: 
77        if akey != curkey:
78                req.write(":: ")
79                print_link(req,"/".join((akey,location)),a[akey])
80        else:
81                req.write(":: ")
82                req.write("<b>%s</b>" % a[akey])
83    req.write("<br>")
84
85    # list the content of the directories
86    listdir,listfiles = [],[]
87    if os.path.isdir(datapath):
88        listfiles = list_snd_files(datapath)
89        listdir = list_dirs(datapath)
90        listdir.pop(0) # kick the current dir
91    elif os.path.isfile(datapath):
92        listfiles = [datapath]
93        listdir = [re.sub(req.last,'',location)]
94
95    link_list(req,listdir,title="Subdirectories")
96    link_list(req,listfiles,title="Files")
97
98def footer(req):
99    """ html navigation footer """
100    from mod_python import psp
101    tmpl = psp.PSP(req, filename='footer.tmpl')
102    tmpl.run(vars = { 'time': -req.mtime+req.request_time })
103
104def apply_on_data(req, func,**keywords):
105    # bug: hardcoded snd file filter
106    act_on_data(func,req.datapath,req.respath,
107        filter="f  -maxdepth 1 -name '*.wav' -o -name '*.aif'",**keywords)
108
109def print_link(req,target,name,basehref=BASEHREF):
110    req.write("<a href='%s/%s'>%s</a>\n" % (basehref,target,name))
111
112def print_img(req,target,name='',basehref=BASEHREF):
113    if name == '': name = target
114    req.write("<img src='%s/%s' alt='%s' title='%s'>\n" % (basehref,target,name,name))
115
116def link_list(req,targetlist,basehref=BASEHREF,title=None):
117    if len(targetlist) > 1:
118        if title: req.write("<h3>%s</h3>"%title)
119        req.write('<ul>')
120        for i in targetlist:
121            s = re.split('%s/'%DATADIR,i,maxsplit=1)[1]
122            if s: 
123                req.write('<li>')
124                print_link(req,s,s)
125                req.write('</li>')
126        req.write('</ul>')
127
128def print_list(req,list):
129    req.write("<pre>\n")
130    for i in list: req.write("%s\n" % i)
131    req.write("</pre>\n")
132
133def print_command(req,command):
134    req.write("<h4>%s</h4>\n" % re.sub('%%','%',command))
135    def print_runcommand(input,output):
136        cmd = re.sub('(%)?%i','%s' % input, command)
137        cmd = re.sub('(%)?%o','%s' % output, cmd)
138        print_list(req,runcommand(cmd))
139    apply_on_data(req,print_runcommand)
140
141def datapath_to_location(input):
142    location = re.sub(DATADIR,'',input)
143    return re.sub('^/*','',location)
144
145## drawing hacks
146def draw_func(req,func):
147    import re
148    req.content_type = "image/png"
149    # build location (strip the func_path, add DATADIR)
150    location = re.sub('^/draw_[a-z]*/','%s/'%DATADIR,req.path_info)
151    location = re.sub('.png$','',location)
152    if not os.path.isfile(location):
153        from mod_python import apache
154        raise apache.SERVER_RETURN, apache.HTTP_NOT_FOUND
155    # replace location in func
156    cmd = re.sub('(%)?%i','%s' % location, func)
157    # add PYTHONPATH at the beginning,
158    cmd = "%s%s 2> /dev/null" % (PYTHONPATH,cmd)
159    for each in runcommand(cmd):
160        req.write("%s\n"%each)
161
162def show_task(req,task):
163    def show_task_file(input,output,task):
164        location = datapath_to_location(input)
165        print_img(req,"draw_%s/%s" % (task,location))
166    navigation(req)
167    req.write("<h3>%s</h3>\n" % task)
168    apply_on_data(req,show_task_file,task=task)
169    footer(req)
170
171## waveform_foo
172def draw_sound(req):
173    draw_func(req,"aubioplot-audio %%i stdout 2> /dev/null")
174
175def show_sound(req):
176    show_task(req,"sound")
177
178## pitch foo
179def draw_pitch(req,threshold='0.3'):
180    draw_func(req,"aubiopitch -i %%i -p -m schmitt,yin,fcomb,mcomb -t %s -O stdout" % threshold)
181
182def show_pitch(req):
183    show_task(req,"pitch")
184
185## onset foo
186def draw_onset(req,threshold='0.3'):
187    draw_func(req,"aubiocut -i %%i -p -m complex -t %s -O stdout" % threshold)
188
189def show_onset(req,threshold='0.3',details=''):
190    def onset_file(input,output):
191        location = datapath_to_location(input)
192        print_img(req,"draw_onset/%s?threshold=%s"%(location,threshold))
193        print_link(req,"?threshold=%s" % (float(threshold)-0.1),"-")
194        req.write("%s\n" % threshold)
195        print_link(req,"?threshold=%s" % (float(threshold)+0.1),"+")
196        # bug: hardcoded sndfile extension
197        anote = re.sub('\.wav$','.txt',input)
198        if anote == input: anote = ""
199        res = get_extract(input,threshold)
200        if os.path.isfile(anote):
201            tru = get_anote(anote)
202            print_list(req,get_results(tru,res,0.05))
203        else:
204            req.write("no ground truth found<br>\n")
205        if details:
206            req.write("<h4>Extraction</h4>\n")
207            print_list(req,res)
208        else:
209            req.write("<a href='%s/show_onset/%s?details=yes&amp;threshold=%s'>details</a><br>\n" %
210                (req.basehref,location,threshold))
211        if details and os.path.isfile(anote):
212            req.write("<h4>Computed differences</h4>\n")
213            ldiffs = get_diffs(tru,res,0.05)
214            print_list(req,ldiffs)
215            req.write("<h4>Annotations</h4>\n")
216            print_list(req,tru)
217    navigation(req)
218    req.write("<h3>Onset</h3>\n")
219    apply_on_data(req,onset_file)
220    footer(req)
221
222def get_anote(anote):
223    import aubio.onsetcompare
224    # FIXME: should import with txtfile.read_datafile
225    return aubio.onsetcompare.load_onsets(anote)
226
227def get_diffs(anote,extract,tol):
228    import aubio.onsetcompare
229    return aubio.onsetcompare.onset_diffs(anote,extract,tol)
230
231def get_extract(datapath,threshold='0.3'):
232    cmd = "%saubiocut -v -m complex -t %s -i %s" % (PYTHONPATH,threshold,datapath)
233    lo = runcommand(cmd)
234    for i in range(len(lo)): lo[i] = float(lo[i])
235    return lo
236
237def get_results(anote,extract,tol):
238    import aubio.onsetcompare
239    orig, missed, merged, expc, bad, doubled = aubio.onsetcompare.onset_roc(anote,extract,tol)
240    s =("GD %2.8f\t"        % (100*float(orig-missed-merged)/(orig)),
241        "FP %2.8f\t"        % (100*float(bad+doubled)/(orig))       , 
242        "GD-merged %2.8f\t" % (100*float(orig-missed)/(orig))       , 
243        "FP-pruned %2.8f\t" % (100*float(bad)/(orig))               )
244    return s
245
246# play m3u foo
247def play_m3u(req):
248    def show_task_file(input,output,task):
249        location = datapath_to_location(input)
250        req.write("http://%s%s/play_ogg/%s\n" % (HOSTNAME,BASEHREF,re.sub("play_m3u",task,location)))
251    req.content_type = "audio/mpegurl"
252    parse_args(req)
253    apply_on_data(req,show_task_file,task="play_ogg")
254
255# play wav foo
256def play_wav(req):
257    req.content_type = "audio/x-wav"
258    func = "cat %%i"
259    # build location (strip the func_path, add DATADIR)
260    location = re.sub('^/play_wav/','%s/'%DATADIR,req.path_info)
261    if not os.path.isfile(location):
262        from mod_python import apache
263        raise apache.SERVER_RETURN, apache.HTTP_NOT_FOUND
264    # replace location in func
265    cmd = re.sub('(%)?%i','%s' % location, func)
266    # add PYTHONPATH at the beginning,
267    cmd = "%s 2> /dev/null" % cmd
268    for each in runcommand(cmd):
269        req.write("%s\n"%each)
270
271# play ogg foo
272def play_ogg(req):
273    req.content_type = "application/ogg"
274    func = "oggenc -o - %%i"
275    # build location (strip the func_path, add DATADIR)
276    location = re.sub('^/play_ogg/','%s/'%DATADIR,req.path_info)
277    location = re.sub('.ogg$','',location)
278    if not os.path.isfile(location):
279        from mod_python import apache
280        raise apache.SERVER_RETURN, apache.HTTP_NOT_FOUND
281    # replace location in func
282    cmd = re.sub('(%)?%i','%s' % location, func)
283    # add PYTHONPATH at the beginning,
284    cmd = "%s 2> /dev/null" % cmd
285    for each in runcommand(cmd):
286        req.write("%s\n"%each)
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