def save(grammar, tryfilename, override=False, clean=True):
"""
Tries to write out grammar contents to new file <tryfilename>
:param override:
If <override> is true, it will write to <tryfilename> without question
If <override> is false, it will search for the first available filename
using first_available_filename
:param clean: Determines whether the marked up grammar body
or the cleaned up grammar body is saved
:return: If successful, actual file name used
"""
if override:
usefilename = tryfilename
else:
usefilename = saveutils.first_available_filename(tryfilename)
try:
f = open(usefilename, 'w')
if clean:
f.write(gramparse.clean_body(grammar))
else:
f.write(grammar.body)
f.close()
except IOError as e:
print "Error saving grammar '{0}' to {1}".format(
grammar.name, usefilename)
raise e
return usefilename
def run_test():
numexemplars = 10
testgrammarfile = "flofree.cfdg"
testdir = "test-save-exemplars"
savefilename = "{0}/flofree.png".format(testdir)
if os.path.isdir(testdir):
shutil.rmtree(testdir)
print "Creating directory {0}...".format(testdir)
os.mkdir(testdir)
# Create grammar
print "Creating grammar from file '{0}'...".format(testgrammarfile)
g = gramparse.grammar_from_file(testgrammarfile)
# Generate <numexemplars> exemplars
print "Generating {0} exemplars...".format(numexemplars)
exemplars = exgen.generate_exemplars(g, numexemplars, debug=True)
assert len(exemplars) == numexemplars, \
"Expected {0} exemplars to be generated, " \
"instead have {1}".format(numexemplars, len(exemplars))
# Saving exemplars to separate files
print "Exemplars successfully generated. Saving exemplars to files..."
for i, ex in list(enumerate(exemplars)):
savefilename = saveutils.first_available_filename(savefilename)
print "Saving exemplar {0} of {1} to {2}".format(i+1, numexemplars, savefilename)
exsave.save_image(ex, savefilename)
print "All exemplars successfully saved!"
def save_image(exemplar, tryfilename, override=False):
if override:
usefilename = tryfilename
else:
usefilename = saveutils.first_available_filename(tryfilename)
try:
exemplar.image.save(usefilename)
except IOError as e:
print "IOError saving image to {0}".format(usefilename)
raise e
except Exception as e:
print "Some non-io error occurred saving image to {0}:" \
" perhaps image arg is incorrect".format(usefilename)
raise e
return usefilename
def run_test():
testgrammarfile = "flofree.cfdg"
testdir = "test-save-exemplar"
newfilename = "{0}/flofree.png".format(testdir)
if not os.path.isdir(testdir):
print "Creating directory {0}...".format(testdir)
os.mkdir(testdir)
# Create grammar
print "Creating grammar from file '{0}'...".format(testgrammarfile)
g = gramparse.grammar_from_file(testgrammarfile)
print "Running CFDG with grammar body..."
exemplar = exgen.generate_exemplar(g)
print "Saving exemplar image to '{0}'...".format(
saveutils.first_available_filename(newfilename))
exemplar.save_image(newfilename)
print "Exemplar successfully saved!"
def run_test():
global g
global v
filename = "clouds.cfdg"
dirname = "test-save-variant"
newfilename = "{0}/test-save-variant.cfdg".format(dirname)
if not os.path.isdir(dirname):
print "Creating directory {0}...".format(dirname)
os.mkdir(dirname)
print "Reading grammar from file: " + filename + "..."
g = gramparse.grammar_from_file(filename)
print "Creating variant from grammar..."
v = gramgen.generate_variant(g, 1, 5)
print "Saving variant to file: " + \
saveutils.first_available_filename(newfilename)
gramsave.save(v, newfilename)
print "Variant successfully saved!"