def treeTeX(self, tl=None):
jos = True
if tl == None:
tl = self.copy(True)
while jos == True:
jos = False
for pr in tl.treepositions():
if isinstance(tl[pr], Tree) and len(
tl[pr]) == 1 and tl[pr].node == 'WFF':
tl[pr] = toTeX(tl[pr][0])
jos = True
break
if isinstance(tl[pr], Tree) and len(
tl[pr]) == 5 and 'WFF' not in [
(a.node if isinstance(a, Tree) else a)
for a in tl[pr]
]:
#tl[pr].node = ''.join([a for a in tl[pr]])
nod = ''.join([
(a.node if isinstance(a, Tree) else toTeX(a))
for a in tl[pr]
])
if pr == (): tl = Tree(nod, [tl[pr][1], tl[pr][3]])
else: tl[pr] = Tree(nod, [tl[pr][1], tl[pr][3]])
jos = True
break
if isinstance(tl[pr], Tree) and len(
tl[pr]) == 2 and tl[pr][0] == 'n' and (not isinstance(
tl[pr][1], Tree) or tl[pr][1].node != 'WFF'):
#tl[pr].node = ''.join([a for a in tl[pr]])
if pr == ():
tl = Tree(
toTeX('n') + tl[pr][1].node if isinstance(
tl[pr][1], Tree) else toTeX('n') + tl[pr][1],
[tl[pr][1]])
else:
tl[pr] = Tree(
toTeX('n') + tl[pr][1].node if isinstance(
tl[pr][1], Tree) else toTeX('n') + tl[pr][1],
[tl[pr][1]])
jos = True
break
for pr in tl.treepositions():
if isinstance(tl[pr], Tree): tl[pr].node = '$' + tl[pr].node + '$'
else: tl[pr] = '$' + tl[pr] + '$'
return tl.pprint_latex_qtree()
def drawTreeTest(self):
"""Draw a tree using NLTK, the Qtree TeX package, and ImageMagick.
This doesn't really work. It is very slow (esp. XeLaTeX typesetting)
and the trees often spill over the page and are cut up.
"""
report = []
def getSubprocess(programName):
try:
return subprocess.Popen([programName], shell=False,
stdin=subprocess.PIPE, stdout=subprocess.PIPE)
except OSError:
return None
def programIsInstalled(command, name, check):
try:
process = getSubprocess(command)
communication = process.communicate()
response = communication[0].decode('utf-8')
if check in response:
result = True
else:
result = False
except AttributeError:
result = False
return result
# See if NLTK is installed
nltkInstalled = nltkModuleIsInstalled()
# See if XeLaTeX is installed
xelatexInstalled = programIsInstalled('xelatex', 'XeLaTeX',
'This is XeTeX')
# See if ImageMagick is installed
imagemagickInstalled = programIsInstalled('convert', 'ImageMagick',
'ImageMagick')
if not nltkInstalled or not xelatexInstalled or not imagemagickInstalled:
session['flash'] = 'Dependencies for Tree drawing are not installed'
session.save()
return render('/derived/administer/index.html')
# Create the Qtree using NLTK's nltk.Tree class
from nltk import Tree
#tree = Tree('(TOP (S (NP-SBJ (PRP It)) (VP (VBZ has) (NP (NP (DT no) (NN bearing)) (PP-DIR (IN on) (NP (NP (PRP$ our) (NN work) (NN force)) (NP-TMP (NN today)))))) (. .)))')
tree = Tree(u"(TP (DP (D the) (NP (NP (N dog)) (CP (DP 0) (C' (C that) (TP (DP I) (T' (T 0_PAST) (VP (V see) (DP who)))))))) (T' (T 0_PAST) (VP (V be) (AP (A black)))))")
tree = tree.pprint_latex_qtree()
# Write the XeLaTeX file
filesPath = config['app_conf']['permanent_store']
treesPath = os.path.join(filesPath, 'trees')
if not os.path.exists(treesPath):
os.makedirs(treesPath)
formID = str(11)
formTreesPath = os.path.join(treesPath, formID)
if not os.path.exists(formTreesPath):
os.makedirs(formTreesPath)
xelatexDoc = u'%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s' % (
'\documentclass{article}',
'\usepackage{fontspec}',
'\setmainfont{Times}',
'\usepackage{qtree}',
'\\begin{document}',
'\pagestyle{empty}',
'\\tiny',
'%s' % tree,
'\end{document}'
)
xelatexDocPath = os.path.join(formTreesPath, 'tree.tex')
pdfDocPath = os.path.join(formTreesPath, 'tree.pdf')
pngDocPath = os.path.join(formTreesPath, 'tree.png')
xelatexDocFile = codecs.open(xelatexDocPath, 'w', 'utf-8')
xelatexDocFile.write(xelatexDoc)
xelatexDocFile.close()
# Typeset the XeLaTeX file
if not os.path.exists(pdfDocPath):
outDirOpt = '-output-directory=%s' % formTreesPath
args = ('xelatex', outDirOpt, xelatexDocPath,
'-interaction=nonstopmode')
s = subprocess.call(args, shell=False, stdout=subprocess.PIPE)
# Convert the PDF to a PNG
if not os.path.exists(pngDocPath):
args = ('convert', '-density', '400', pdfDocPath, '-resize', '75%',
'-flatten', '-trim', pngDocPath)
s = subprocess.call(args, shell=False, stdout=subprocess.PIPE)
fileReference = url('gettree', id=formID)
img = '<img src="%s" />' % fileReference
c.img = img
return render('/derived/administer/index.html')
def drawTreeTest(self):
"""Draw a tree using NLTK, the Qtree TeX package, and ImageMagick.
This doesn't really work. It is very slow (esp. XeLaTeX typesetting)
and the trees often spill over the page and are cut up.
"""
report = []
def getSubprocess(programName):
try:
return subprocess.Popen([programName],
shell=False,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
except OSError:
return None
def programIsInstalled(command, name, check):
try:
process = getSubprocess(command)
communication = process.communicate()
response = communication[0].decode('utf-8')
if check in response:
result = True
else:
result = False
except AttributeError:
result = False
return result
# See if NLTK is installed
nltkInstalled = nltkModuleIsInstalled()
# See if XeLaTeX is installed
xelatexInstalled = programIsInstalled('xelatex', 'XeLaTeX',
'This is XeTeX')
# See if ImageMagick is installed
imagemagickInstalled = programIsInstalled('convert', 'ImageMagick',
'ImageMagick')
if not nltkInstalled or not xelatexInstalled or not imagemagickInstalled:
session[
'flash'] = 'Dependencies for Tree drawing are not installed'
session.save()
return render('/derived/administer/index.html')
# Create the Qtree using NLTK's nltk.Tree class
from nltk import Tree
#tree = Tree('(TOP (S (NP-SBJ (PRP It)) (VP (VBZ has) (NP (NP (DT no) (NN bearing)) (PP-DIR (IN on) (NP (NP (PRP$ our) (NN work) (NN force)) (NP-TMP (NN today)))))) (. .)))')
tree = Tree(
u"(TP (DP (D the) (NP (NP (N dog)) (CP (DP 0) (C' (C that) (TP (DP I) (T' (T 0_PAST) (VP (V see) (DP who)))))))) (T' (T 0_PAST) (VP (V be) (AP (A black)))))"
)
tree = tree.pprint_latex_qtree()
# Write the XeLaTeX file
filesPath = config['app_conf']['permanent_store']
treesPath = os.path.join(filesPath, 'trees')
if not os.path.exists(treesPath):
os.makedirs(treesPath)
formID = str(11)
formTreesPath = os.path.join(treesPath, formID)
if not os.path.exists(formTreesPath):
os.makedirs(formTreesPath)
xelatexDoc = u'%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s' % (
'\documentclass{article}', '\usepackage{fontspec}',
'\setmainfont{Times}', '\usepackage{qtree}', '\\begin{document}',
'\pagestyle{empty}', '\\tiny', '%s' % tree, '\end{document}')
xelatexDocPath = os.path.join(formTreesPath, 'tree.tex')
pdfDocPath = os.path.join(formTreesPath, 'tree.pdf')
pngDocPath = os.path.join(formTreesPath, 'tree.png')
xelatexDocFile = codecs.open(xelatexDocPath, 'w', 'utf-8')
xelatexDocFile.write(xelatexDoc)
xelatexDocFile.close()
# Typeset the XeLaTeX file
if not os.path.exists(pdfDocPath):
outDirOpt = '-output-directory=%s' % formTreesPath
args = ('xelatex', outDirOpt, xelatexDocPath,
'-interaction=nonstopmode')
s = subprocess.call(args, shell=False, stdout=subprocess.PIPE)
# Convert the PDF to a PNG
if not os.path.exists(pngDocPath):
args = ('convert', '-density', '400', pdfDocPath, '-resize', '75%',
'-flatten', '-trim', pngDocPath)
s = subprocess.call(args, shell=False, stdout=subprocess.PIPE)
fileReference = url('gettree', id=formID)
img = '<img src="%s" />' % fileReference
c.img = img
return render('/derived/administer/index.html')
