Handles songs without a preliminary V tag

This commit is contained in:
Martin Thompson 2010-06-22 21:41:31 +01:00
parent 3417d85a58
commit e8a397d3ec
3 changed files with 84 additions and 42 deletions

View File

@ -83,31 +83,36 @@ class OpenSongImport:
""" """
self.songmanager=songmanager self.songmanager=songmanager
self.song = None self.song = None
def do_import(self, filename): def do_import(self, filename):
file=open(filename)
self.do_import_file(file)
def do_import_file(self, file):
""" """
Process the OpenSong file Process the OpenSong file
""" """
self.song = SongImport(self.songmanager) self.song = SongImport(self.songmanager)
f=open(filename) tree=objectify.parse(file)
tree=objectify.parse(f)
root=tree.getroot() root=tree.getroot()
# xxx this bit ought to be more "iterable"... esp. if song had attributes not getters and setters... fields=dir(root)
if root.copyright: decode={u'copyright':self.song.add_copyright,
self.song.add_copyright(unicode(root.copyright)) u'author':self.song.parse_author,
if root.author: u'title':self.song.set_title,
self.song.parse_author(unicode(root.author)) u'aka':self.song.set_alternate_title,
if root.title: u'hymn_number':self.song.set_song_number}
self.song.set_title(unicode(root.title)) for (attr, fn) in decode.items():
if root.aka: if attr in fields:
self.song.set_alternate_title(unicode(root.aka)) fn(unicode(root.__getattr__(attr)))
if root.hymn_number:
self.song.set_song_number(unicode(root.hymn_number))
# data storage while importing # data storage while importing
verses={} verses={}
lyrics=str(root.lyrics) lyrics=unicode(root.lyrics)
# xxx what to do if no presentation order - need to figure it out on the fly # keep track of a "default" verse order, in case none is specified
our_verse_order=[]
verses_seen={}
# in the absence of any other indication, verses are the default, erm, versetype!
versetype=u'V'
for l in lyrics.split('\n'): for l in lyrics.split('\n'):
# remove comments # remove comments
semicolon = l.find(';') semicolon = l.find(';')
@ -123,35 +128,39 @@ class OpenSongImport:
# verse/chorus/etc. marker # verse/chorus/etc. marker
if l[0] == u'[': if l[0] == u'[':
versetype=l[1].upper() versetype=l[1].upper()
if not verses.has_key(versetype):
verses[versetype]={}
if l[2] != u']': if l[2] != u']':
# there's a number to go with it - extract that as well # there's a number to go with it - extract that as well
right_bracket=l.find(u']') right_bracket=l.find(u']')
versenum=int(l[2:right_bracket]) versenum=int(l[2:right_bracket])
versetag=u'%s%d'%(versetype,versenum)
else: else:
versenum = None # allow error trap versenum = None # allow error trap
continue continue
words=None words=None
# number at start of line => verse number # number at start of line.. it's verse number
if l[0] >= u'0' and l[0] <= u'9': if l[0] >= u'0' and l[0] <= u'9':
versenum=int(l[0]) versenum=int(l[0])
words=l[1:].strip() words=l[1:].strip()
versetag=u'%s%d'%(versetype,versenum)
if words is None and \ if words is None and \
versenum is not None and \ versenum is not None and \
versetype is not None: versetype is not None:
words=l words=l
if versenum is not None and \ if versenum is not None:
not verses[versetype].has_key(versenum): if not verses.has_key(versetype):
verses[versetype][versenum]=[] # storage for lines in this verse verses[versetype]={}
if not verses[versetype].has_key(versenum):
verses[versetype][versenum]=[] # storage for lines in this verse
if not verses_seen.has_key(versetag):
verses_seen[versetag] = 1
our_verse_order.append(versetag)
if words: if words:
# remove the ____s from extended words # Tidy text and remove the ____s from extended words
words=words.replace(u'_', u'') # words=self.song.tidy_text(words)
words=words.replace('_', '')
verses[versetype][versenum].append(words) verses[versetype][versenum].append(words)
# done parsing # done parsing
print u'Title:', root.title
versetypes=verses.keys() versetypes=verses.keys()
versetypes.sort() versetypes.sort()
versetags={} versetags={}
@ -164,14 +173,17 @@ class OpenSongImport:
self.song.verses.append([versetag, lines]) self.song.verses.append([versetag, lines])
versetags[versetag]=1 # keep track of what we have for error checking later versetags[versetag]=1 # keep track of what we have for error checking later
# now figure out the presentation order # now figure out the presentation order
if root.presentation: if 'presentation' in fields and root.presentation != u'':
order=unicode(root.presentation).split(u' ') order=unicode(root.presentation)
for tag in order: order=order.split()
if not versetags.has_key(tag): else:
raise OpenSongImportError assert len(our_verse_order)>0
else: order=our_verse_order
self.song.verse_order_list.append(tag) for tag in order:
if not versetags.has_key(tag):
raise OpenSongImportError
self.song.print_song() else:
self.song.verse_order_list.append(tag)
def finish(self):
""" Separate function, allows test suite to not pollute database"""
self.song.finish()

View File

@ -17,7 +17,6 @@
<tempo></tempo> <tempo></tempo>
<time_sig></time_sig> <time_sig></time_sig>
<lyrics>;Comment <lyrics>;Comment
[V]
. A B C . A B C
1 v1 Line 1___ 1 v1 Line 1___
2 v2 Line 1___ 2 v2 Line 1___

View File

@ -5,10 +5,41 @@ def test():
manager=SongManager() manager=SongManager()
o=OpenSongImport(manager) o=OpenSongImport(manager)
o.do_import(u'test.opensong') o.do_import(u'test.opensong')
# xxx need some more asserts in here to test it... # o.finish()
assert (1) o.song.print_song()
# now to XML assert o.song.copyright == u'2010 Martin Thompson'
# asserts assert o.song.authors == [u'Martin Thompson']
assert o.song.title == u'Martins Test'
assert o.song.alternate_title == u''
assert o.song.song_number == u'1'
assert [u'B1', u'Bridge 1\nBridge 1 line 2'] in o.song.verses
assert [u'C1', u'Chorus 1'] in o.song.verses
assert [u'C2', u'Chorus 2'] in o.song.verses
assert not [u'C3', u'Chorus 3'] in o.song.verses
assert [u'V1', u'v1 Line 1\nV1 Line 2'] in o.song.verses
assert [u'V2', u'v2 Line 1\nV2 Line 2'] in o.song.verses
assert o.song.verse_order_list == [u'V1', u'C1', u'V2', u'C2', u'B1', u'V1']
o=OpenSongImport(manager)
o.do_import(u'test2.opensong')
# o.finish()
o.song.print_song()
assert o.song.copyright == u'2010 Martin Thompson'
assert o.song.authors == [u'Martin Thompson']
assert o.song.title == u'Martins 2nd Test'
assert o.song.alternate_title == u''
assert o.song.song_number == u'2'
print o.song.verses
assert [u'B1', u'Bridge 1\nBridge 1 line 2'] in o.song.verses
assert [u'C1', u'Chorus 1'] in o.song.verses
assert [u'C2', u'Chorus 2'] in o.song.verses
assert not [u'C3', u'Chorus 3'] in o.song.verses
assert [u'V1', u'v1 Line 1\nV1 Line 2'] in o.song.verses
assert [u'V2', u'v2 Line 1\nV2 Line 2'] in o.song.verses
print o.song.verse_order_list
assert o.song.verse_order_list == [u'V1', u'V2', u'B1', u'C1', u'C2']
print "Tests passed"
pass pass
if __name__=="__main__": if __name__=="__main__":