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.song = None
def do_import(self, filename):
file=open(filename)
self.do_import_file(file)
def do_import_file(self, file):
"""
Process the OpenSong file
"""
self.song = SongImport(self.songmanager)
f=open(filename)
tree=objectify.parse(f)
tree=objectify.parse(file)
root=tree.getroot()
# xxx this bit ought to be more "iterable"... esp. if song had attributes not getters and setters...
if root.copyright:
self.song.add_copyright(unicode(root.copyright))
if root.author:
self.song.parse_author(unicode(root.author))
if root.title:
self.song.set_title(unicode(root.title))
if root.aka:
self.song.set_alternate_title(unicode(root.aka))
if root.hymn_number:
self.song.set_song_number(unicode(root.hymn_number))
fields=dir(root)
decode={u'copyright':self.song.add_copyright,
u'author':self.song.parse_author,
u'title':self.song.set_title,
u'aka':self.song.set_alternate_title,
u'hymn_number':self.song.set_song_number}
for (attr, fn) in decode.items():
if attr in fields:
fn(unicode(root.__getattr__(attr)))
# data storage while importing
verses={}
lyrics=str(root.lyrics)
# xxx what to do if no presentation order - need to figure it out on the fly
lyrics=unicode(root.lyrics)
# 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'):
# remove comments
semicolon = l.find(';')
@ -123,35 +128,39 @@ class OpenSongImport:
# verse/chorus/etc. marker
if l[0] == u'[':
versetype=l[1].upper()
if not verses.has_key(versetype):
verses[versetype]={}
if l[2] != u']':
# there's a number to go with it - extract that as well
right_bracket=l.find(u']')
versenum=int(l[2:right_bracket])
versetag=u'%s%d'%(versetype,versenum)
else:
versenum = None # allow error trap
continue
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':
versenum=int(l[0])
words=l[1:].strip()
versetag=u'%s%d'%(versetype,versenum)
if words is None and \
versenum is not None and \
versetype is not None:
words=l
if versenum is not None and \
not verses[versetype].has_key(versenum):
verses[versetype][versenum]=[] # storage for lines in this verse
if versenum is not None:
if not verses.has_key(versetype):
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:
# remove the ____s from extended words
words=words.replace(u'_', u'')
# Tidy text and remove the ____s from extended words
# words=self.song.tidy_text(words)
words=words.replace('_', '')
verses[versetype][versenum].append(words)
# done parsing
print u'Title:', root.title
versetypes=verses.keys()
versetypes.sort()
versetags={}
@ -164,14 +173,17 @@ class OpenSongImport:
self.song.verses.append([versetag, lines])
versetags[versetag]=1 # keep track of what we have for error checking later
# now figure out the presentation order
if root.presentation:
order=unicode(root.presentation).split(u' ')
for tag in order:
if not versetags.has_key(tag):
raise OpenSongImportError
else:
self.song.verse_order_list.append(tag)
self.song.print_song()
if 'presentation' in fields and root.presentation != u'':
order=unicode(root.presentation)
order=order.split()
else:
assert len(our_verse_order)>0
order=our_verse_order
for tag in order:
if not versetags.has_key(tag):
raise OpenSongImportError
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>
<time_sig></time_sig>
<lyrics>;Comment
[V]
. A B C
1 v1 Line 1___
2 v2 Line 1___

View File

@ -5,10 +5,41 @@ def test():
manager=SongManager()
o=OpenSongImport(manager)
o.do_import(u'test.opensong')
# xxx need some more asserts in here to test it...
assert (1)
# now to XML
# asserts
# 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 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
if __name__=="__main__":