def main():
print('Starting...')
model_dir = ModelDir(OPTS.model)
model = model_dir.get_model()
if not isinstance(model, ParagraphQuestionModel):
raise ValueError("This script is built to work for ParagraphQuestionModel models only")
input_data, vocab = read_input_data(model)
print('Loading word vectors...')
model.set_input_spec(ParagraphAndQuestionSpec(batch_size=None), vocab)
print('Starting Tensorflow session...')
sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
with sess.as_default():
prediction = model.get_prediction()
# Take 0-th here because we know we only truncate to one paragraph
start_logits_tf = prediction.start_logits[0]
end_logits_tf = prediction.end_logits[0]
none_logit_tf = prediction.none_logit[0]
context_rep_tf = model.context_rep[0]
m1_tf = model.predictor.m1[0]
m2_tf = model.predictor.m2[0]
model_dir.restore_checkpoint(sess)
with open(OPTS.output_file, 'w') as f:
for doc_raw, q_raw, context, ex in tqdm(input_data):
encoded = model.encode(ex, is_train=False)
start_logits, end_logits, none_logit, context_rep, m1, m2 = sess.run(
[start_logits_tf, end_logits_tf, none_logit_tf, context_rep_tf,
m1_tf, m2_tf],
feed_dict=encoded)
beam, p_na = logits_to_probs(
doc_raw, context[0], start_logits, end_logits, none_logit,
beam_size=OPTS.beam_size)
inputs = [context_rep, m1, m2]
vec = np.concatenate([np.amax(x, axis=0) for x in inputs] +
[np.amin(x, axis=0) for x in inputs] +
[np.mean(x, axis=0) for x in inputs])
#span_logits = np.add.outer(start_logits, end_logits)
#all_logits = np.concatenate((np.array([none_logit]), span_logits.flatten()))
#log_partition = scipy.special.logsumexp(all_logits)
#vec = np.concatenate([
# np.amax(context_rep, axis=0),
# np.amin(context_rep, axis=0),
# np.mean(context_rep, axis=0),
# [np.amax(start_logits), scipy.special.logsumexp(start_logits),
# np.amax(end_logits), scipy.special.logsumexp(end_logits),
# none_logit, log_partition]
#])
out_obj = {'paragraph': doc_raw, 'question': q_raw,
'beam': beam, 'p_na': p_na}
if not OPTS.no_vec:
out_obj['vec'] = vec.tolist()
print(json.dumps(out_obj), file=f)
def getAnswer(self):
#parser = argparse.ArgumentParser(description="Run an ELMo model on user input")
#parser.add_argument("model", help="Model directory")
#parser.add_argument("question", help="Question to answer")
#parser.add_argument("documents", help="List of text documents to answer the question with", nargs='+')
#args = parser.parse_args()
#print("Preprocessing...")
# Load the model
model_dir = ModelDir(MODEL_DIR)
model = model_dir.get_model()
if not isinstance(model, ParagraphQuestionModel):
raise ValueError(
"This script is built to work for ParagraphQuestionModel models only"
)
conn = pyodbc.connect(DB_CONN)
cursor = conn.cursor()
#(23211,28690,33214,25638,25837,26454,28693,26137,31428,32087)
query="select cast(filetext as varchar(max)) as filetext, name, type from dbo.UserworkspaceData where objectmasterid= "+\
str(self.ObjectMasterId)+\
" order by id asc"
#query="select cast(filetext as varchar(max)) as filetext from kpl_tmp"
documents = []
document = ""
name = ""
filetype = 0
for doc in cursor.execute(query):
document = document + doc[0]
name = doc[1]
filetype = doc[2]
#open("E:/kpl.txt","w+").write(document)
documents.append(document)
#documents.replace("\n\n","\n")
#r.sub("",documents)
#documents=" ".join(documents.split())
#open("E:\kpl_test.txt","w+").write(document)
#doc="D:\Document QnA\document-qa-master\Data\Drug_Delivery_Surveying_Global_Competitive_Landscape_BMI.txt"
# =============================================================================
# if not isfile(doc):
# raise ValueError(doc + " does not exist")
# with open(doc, "r") as f:
# documents.append(f.read())
# =============================================================================
#print("Loaded %d documents" % len(documents))
#temp=documents[0].split()
# Split documents into lists of paragraphs
#documents=[" ".join(temp[i:(i+400)]) for i in range(1,len(temp),400)]
documents = [re.split("\s*\n\s*", doc) for doc in documents]
# Tokenize the input, the models expects data to be tokenized using `NltkAndPunctTokenizer`
# Note the model expects case-sensitive input
tokenizer = NltkAndPunctTokenizer()
question = tokenizer.tokenize_paragraph_flat(
self.Question) # List of words
# Now list of document->paragraph->sentence->word
documents = [[tokenizer.tokenize_paragraph(p) for p in doc]
for doc in documents]
# Now group the document into paragraphs, this returns `ExtractedParagraph` objects
# that additionally remember the start/end token of the paragraph within the source document
splitter = MergeParagraphs(400)
#splitter = PreserveParagraphs() # Uncomment to use the natural paragraph grouping
documents = [splitter.split(doc) for doc in documents]
#print(str(len(documents))+" kpl") #kpl
# Now select the top paragraphs using a `ParagraphFilter`
if len(documents) == 1:
# Use TF-IDF to select top paragraphs from the document
selector = TopTfIdf(NltkPlusStopWords(True), n_to_select=5)
context = selector.prune(question, documents[0])
else:
# Use a linear classifier to select top paragraphs among all the documents
selector = ShallowOpenWebRanker(n_to_select=10)
context = selector.prune(question, flatten_iterable(documents))
#print("Select %d paragraph" % len(context))
if model.preprocessor is not None:
# Models are allowed to define an additional pre-processing step
# This will turn the `ExtractedParagraph` objects back into simple lists of tokens
context = [
model.preprocessor.encode_text(question, x) for x in context
]
else:
# Otherwise just use flattened text
context = [flatten_iterable(x.text) for x in context]
#x=open("E:\context.txt","a+")
#[x.write(" ".join(cont)) for cont in context]
#x.write("\n.......................................................\n")
#print("Setting up model")
# Tell the model the batch size (can be None) and vocab to expect, This will load the
# needed word vectors and fix the batch size to use when building the graph / encoding the input
voc = set(question)
for txt in context:
voc.update(txt)
model.set_input_spec(self.nlp,
ParagraphAndQuestionSpec(batch_size=len(context)),
voc)
# Now we build the actual tensorflow graph, `best_span` and `conf` are
# tensors holding the predicted span (inclusive) and confidence scores for each
# element in the input batch, confidence scores being the pre-softmax logit for the span
#print("Build tf graph") #kpl
sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
# We need to use sess.as_default when working with the cuNND stuff, since we need an active
# session to figure out the # of parameters needed for each layer. The cpu-compatible models don't need this.
with sess.as_default():
# 8 means to limit the span to size 8 or less
best_spans, conf = model.get_prediction().get_best_span(8)
# Loads the saved weights
model_dir.restore_checkpoint(sess)
# Now the model is ready to run
# The model takes input in the form of `ContextAndQuestion` objects, for example:
data = [
ParagraphAndQuestion(x, question, None, "user-question%d" % i)
for i, x in enumerate(context)
]
#print("Starting run")
# The model is run in two steps, first it "encodes" a batch of paragraph/context pairs
# into numpy arrays, then we use `sess` to run the actual model get the predictions
encoded = model.encode(
data, is_train=True) # batch of `ContextAndQuestion` -> feed_dict
best_spans, conf = sess.run(
[best_spans, conf], feed_dict=encoded) # feed_dict -> predictions
best_para = np.argmax(
conf
) # We get output for each paragraph, select the most-confident one to print
#print("Best Paragraph: " + str(best_para))
#print("Best span: " + str(best_spans[best_para]))
#print("Answer text: " + " ".join(context[best_para][best_spans[best_para][0]:best_spans[best_para][1]+1]))
#print("Confidence: " + str(conf[best_para]))
Answer = " ".join(context[best_para]
[best_spans[best_para][0]:best_spans[best_para][1] +
1])
print("Confidence: " + str(conf[best_para]))
print("Best Paragraph: " + str(best_para))
print("Best span: " + str(best_spans[best_para]))
print("Answer text: " + Answer)
print(" ".join(context[best_para]))
context[best_para][best_spans[best_para][
0]] = r"<em>" + context[best_para][best_spans[best_para][0]]
context[best_para][best_spans[best_para][1]] = context[best_para][
best_spans[best_para][1]] + r"</em>"
start = 0
end = len(context[best_para])
positions = [
x for x, n in enumerate(context[best_para]
[0:best_spans[best_para][0]]) if n == "."
]
if len(positions) >= 2: start = positions[len(positions) - 2] + 1
positions = [
x
for x, n in enumerate(context[best_para][best_spans[best_para][1] +
1:]) if n == "."
]
if len(positions) > 1:
end = best_spans[best_para][1] + 1 + positions[1]
d = dict()
if conf[best_para] > 10:
d["answer"] = Answer
else:
d["answer"] = ""
d["name"] = name
d["filetype"] = filetype
d["paragraph"] = re.sub(r' (?=\W)', '',
" ".join(context[best_para][start:end]))
d["ObjectMasterId"] = self.ObjectMasterId
return d
#if __name__ == "__main__":
# main()
def main():
parser = argparse.ArgumentParser(
description="Run an ELMo model on user input")
parser.add_argument("model", help="Model directory")
parser.add_argument("question", help="Question to answer")
parser.add_argument("context", help="Context to answer the question with")
args = parser.parse_args()
# Tokenize the input, the models expected data to be tokenized using `NltkAndPunctTokenizer`
# Note the model expects case-sensitive input
tokenizer = NltkAndPunctTokenizer()
question = tokenizer.tokenize_paragraph_flat(args.question)
context = tokenizer.tokenize_paragraph_flat(args.context)
print("Loading model")
model_dir = ModelDir(args.model)
model = model_dir.get_model()
if not isinstance(model, ElmoQaModel):
raise ValueError(
"This script is build to work for ElmoQaModel models only")
# Important! This tells the language model not to use the pre-computed word vectors,
# which are only applicable for the SQuAD dev/train sets.
# Instead the language model will use its character-level CNN to compute
# the word vectors dynamically.
model.lm_model.embed_weights_file = None
# Tell the model the batch size and vocab to expect, This will load the needed
# word vectors and fix the batch size when building the graph / encoding the input
print("Setting up model")
voc = set(question)
voc.update(context)
model.set_input_spec(ParagraphAndQuestionSpec(batch_size=1), voc)
# Now we build the actual tensorflow graph, `best_span` and `conf` are
# tensors holding the predicted span (inclusive) and confidence scores for each
# element in the input batch
print("Build tf graph")
sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
with sess.as_default():
# 17 means to limit the span to size 17 or less
best_spans, conf = model.get_prediction().get_best_span(17)
# Now restore the weights, this is a bit fiddly since we need to avoid restoring the
# bilm weights, and instead load them from the pre-computed data
all_vars = tf.global_variables() + tf.get_collection(
tf.GraphKeys.SAVEABLE_OBJECTS)
lm_var_names = {x.name for x in all_vars if x.name.startswith("bilm")}
vars = [x for x in all_vars if x.name not in lm_var_names]
model_dir.restore_checkpoint(sess, vars)
# Run the initializer of the lm weights, which will load them from the lm directory
sess.run(
tf.variables_initializer(
[x for x in all_vars if x.name in lm_var_names]))
# Now the model is ready to run
# The model takes input in the form of `ContextAndQuestion` objects, for example:
data = [ParagraphAndQuestion(context, question, None, "user-question1")]
print("Starting run")
# The model is run in two steps, first it "encodes" the paragraph/context pairs
# into numpy arrays, then to use `sess` to run the actual model get the predictions
encoded = model.encode(
data, is_train=False) # batch of `ContextAndQuestion` -> feed_dict
best_spans, conf = sess.run([best_spans, conf],
feed_dict=encoded) # feed_dict -> predictions
print("Best span: " + str(best_spans[0]))
print("Answer text: " +
" ".join(context[best_spans[0][0]:best_spans[0][1] + 1]))
print("Confidence: " + str(conf[0]))
def convert_saved_graph(model_dir, output_dir):
print("Load model")
md = ModelDir(model_dir)
model = md.get_model()
# remove the lm models word embeddings - cpu model will use Char-CNN
model.lm_model.embed_weights_file = None
dim = model.embed_mapper.layers[1].n_units
print("Setting up cudnn version")
sess = tf.Session()
with sess.as_default():
model.set_input_spec(
ParagraphAndQuestionSpec(1, None, None, 14), {"the"},
ResourceLoader(lambda a, b: {"the": np.zeros(300, np.float32)}))
print("Buiding graph")
pred = model.get_prediction()
test_questions = get_test_questions()
print("Load vars:")
all_vars = tf.global_variables() + tf.get_collection(
tf.GraphKeys.SAVEABLE_OBJECTS)
lm_var_names = {x.name for x in all_vars if x.name.startswith("bilm")}
vars = [x for x in all_vars if x.name not in lm_var_names]
md.restore_checkpoint(sess, vars)
sess.run(
tf.variables_initializer(
[x for x in all_vars if x.name in lm_var_names]))
feed = model.encode([test_questions], False)
cuddn_out = sess.run([pred.start_logits, pred.end_logits], feed_dict=feed)
print("Done, copying files...")
if not exists(output_dir):
mkdir(output_dir)
for file in listdir(model_dir):
if isfile(file) and file != "model.npy":
copyfile(join(model_dir, file), join(output_dir, file))
print("Done, mapping tensors...")
to_save, to_init = [], []
for x in tf.trainable_variables():
if x.name.endswith("/gru_parameters:0"):
key = x.name[:-len("/gru_parameters:0")]
indim, outdim = get_dims(x, dim)
c = cudnn_rnn_ops.CudnnGRUSaveable(x, 1, outdim, indim, scope=key)
for spec in c.specs:
if spec.name.endswith("bias_cudnn 0") or \
spec.name.endswith("bias_cudnn 1"):
print('Unsupported spec: ' + spec.name)
continue
if 'forward' in spec.name:
new_name = spec.name.replace(
'forward/rnn/multi_rnn_cell/cell_0/',
'bidirectional_rnn/fw/')
else:
new_name = spec.name.replace(
'backward/rnn/multi_rnn_cell/cell_0/',
'bidirectional_rnn/bw/')
v = tf.Variable(sess.run(spec.tensor), name=new_name)
to_init.append(v)
to_save.append(v)
else:
to_save.append(x)
save_dir = join(output_dir, "save")
if not exists(save_dir):
mkdir(save_dir)
# save:
all_vars = tf.global_variables() + tf.get_collection(
tf.GraphKeys.SAVEABLE_OBJECTS)
vars_to_save = [x for x in all_vars if not x.name.startswith("bilm")]
sess.run(tf.initialize_variables(to_init))
saver = tf.train.Saver(vars_to_save)
saver.save(
sess,
join(save_dir, 'checkpoint'),
global_step=123456789,
write_meta_graph=False,
)
sess.close()
tf.reset_default_graph()
return cuddn_out
def main():
parser = argparse.ArgumentParser(description="Run an ELMo model on user input")
# parser.add_argument("model", type=int, help="Model directory")
parser.add_argument("question", help="Question to answer")
parser.add_argument("documents", help="List of text documents to answer the question with", nargs='+')
args = parser.parse_args()
# Models path
SQUAD_MODEL_DIRECTORY_PATH = 'docqa/models-cpu/squad'
SQUAD_SHARED_NORM_MODEL_DIRECTORY_PATH = 'docqa/models-cpu/squad-shared-norm'
TRIVIAQA_MODEL_DIRECTORY_PATH = 'docqa/models-cpu/triviaqa-unfiltered-shared-norm'
TRIVIAQA_SHARED_NORM_MODEL_DIRECTORY_PATH = 'docqa/models-cpu/triviaqa-web-shared-norm'
models_directory = [
SQUAD_MODEL_DIRECTORY_PATH,
SQUAD_SHARED_NORM_MODEL_DIRECTORY_PATH,
TRIVIAQA_MODEL_DIRECTORY_PATH,
TRIVIAQA_SHARED_NORM_MODEL_DIRECTORY_PATH
]
print("Preprocessing...")
# Load the model
# model_dir = ModelDir(args.model)
model_dir = ModelDir(models_directory[0])
model = model_dir.get_model()
if not isinstance(model, ParagraphQuestionModel):
raise ValueError("This script is built to work for ParagraphQuestionModel models only")
# Read the documents
documents = []
for doc in args.documents:
if not isfile(doc):
raise ValueError(doc + " does not exist")
with open(doc, "r") as f:
documents.append(f.read())
print("Loaded %d documents" % len(documents))
# Split documents into lists of paragraphs
documents = [re.split("\s*\n\s*", doc) for doc in documents]
# Tokenize the input, the models expects data to be tokenized using `NltkAndPunctTokenizer`
# Note the model expects case-sensitive input
tokenizer = NltkAndPunctTokenizer()
question = tokenizer.tokenize_paragraph_flat(args.question) # List of words
# Now list of document->paragraph->sentence->word
documents = [[tokenizer.tokenize_paragraph(p) for p in doc] for doc in documents]
# Now group the document into paragraphs, this returns `ExtractedParagraph` objects
# that additionally remember the start/end token of the paragraph within the source document
splitter = MergeParagraphs(400)
# splitter = PreserveParagraphs() # Uncomment to use the natural paragraph grouping
documents = [splitter.split(doc) for doc in documents]
# Now select the top paragraphs using a `ParagraphFilter`
if len(documents) == 1:
# Use TF-IDF to select top paragraphs from the document
selector = TopTfIdf(NltkPlusStopWords(True), n_to_select=5)
context = selector.prune(question, documents[0])
else:
# Use a linear classifier to select top paragraphs among all the documents
selector = ShallowOpenWebRanker(n_to_select=10)
context = selector.prune(question, flatten_iterable(documents))
print("Select %d paragraph" % len(context))
if model.preprocessor is not None:
# Models are allowed to define an additional pre-processing step
# This will turn the `ExtractedParagraph` objects back into simple lists of tokens
context = [model.preprocessor.encode_text(question, x) for x in context]
else:
# Otherwise just use flattened text
context = [flatten_iterable(x.text) for x in context]
print("Setting up model")
# Tell the model the batch size (can be None) and vocab to expect, This will load the
# needed word vectors and fix the batch size to use when building the graph / encoding the input
voc = set(question)
for txt in context:
voc.update(txt)
model.set_input_spec(ParagraphAndQuestionSpec(batch_size=len(context)), voc)
# Now we build the actual tensorflow graph, `best_span` and `conf` are
# tensors holding the predicted span (inclusive) and confidence scores for each
# element in the input batch, confidence scores being the pre-softmax logit for the span
print("Build tf graph")
sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
# We need to use sess.as_default when working with the cuNND stuff, since we need an active
# session to figure out the # of parameters needed for each layer. The cpu-compatible models don't need this.
with sess.as_default():
# 8 means to limit the span to size 8 or less
best_spans, conf = model.get_prediction().get_best_span(10)
# Loads the saved weights
model_dir.restore_checkpoint(sess)
# Now the model is ready to run
# The model takes input in the form of `ContextAndQuestion` objects, for example:
data = [ParagraphAndQuestion(x, question, None, "user-question%d"%i)
for i, x in enumerate(context)]
print("Starting run")
# The model is run in two steps, first it "encodes" a batch of paragraph/context pairs
# into numpy arrays, then we use `sess` to run the actual model get the predictions
encoded = model.encode(data, is_train=False) # batch of `ContextAndQuestion` -> feed_dict
best_spans, conf = sess.run([best_spans, conf], feed_dict=encoded) # feed_dict -> predictions
best_para = np.argmax(conf) # We get output for each paragraph, select the most-confident one to print
print("Best Paragraph: " + str(best_para))
para_id = int(str(best_para))
# print("Best Paragraph: \n" + (" ".join((paras[para_id].text)[0])))
print("Best Paragraph: \n" + " ".join(context[para_id]))
print("Best span: " + str(best_spans[best_para]))
print("Answer text: " + " ".join(context[best_para][best_spans[best_para][0]:best_spans[best_para][1]+1]))
print("Confidence: " + str(conf[best_para]))
def predict():
json_data = {"success": False, "predictions": []}
print("Preprocessing...")
# Load the model
model_dir = ModelDir(
"/home/antriv/conversation_ai/Transfer_Learning/ALLENAI_DocumentQA/document-qa/pretrained_models/models/triviaqa-unfiltered-shared-norm"
)
model = model_dir.get_model()
if not isinstance(model, ParagraphQuestionModel):
raise ValueError(
"This script is built to work for ParagraphQuestionModel models only"
)
# Load the question
question = (flask.request.data).decode("utf-8")
# Read the documents
documents = []
doclist = ["/home/antriv/data/The-Future-Computed.txt"]
for doc in doclist:
if not isfile(doc):
raise ValueError(doc + " does not exist")
with open(doc, "r") as f:
documents.append(f.read())
print("Loaded %d documents" % len(documents))
# Split documents into lists of paragraphs
documents = [re.split("\s*\n\s*", doc) for doc in documents]
# Tokenize the input, the models expects data to be tokenized using `NltkAndPunctTokenizer`
# Note the model expects case-sensitive input
tokenizer = NltkAndPunctTokenizer()
question = tokenizer.tokenize_paragraph_flat(question) # List of words
# Now list of document->paragraph->sentence->word
documents = [[tokenizer.tokenize_paragraph(p) for p in doc]
for doc in documents]
# Now group the document into paragraphs, this returns `ExtractedParagraph` objects
# that additionally remember the start/end token of the paragraph within the source document
splitter = MergeParagraphs(400)
#splitter = PreserveParagraphs() # Uncomment to use the natural paragraph grouping
documents = [splitter.split(doc) for doc in documents]
# Now select the top paragraphs using a `ParagraphFilter`
if len(documents) == 1:
# Use TF-IDF to select top paragraphs from the document
selector = TopTfIdf(NltkPlusStopWords(True), n_to_select=1000)
context = selector.prune(question, documents[0])
else:
# Use a linear classifier to select top paragraphs among all the documents
selector = ShallowOpenWebRanker(n_to_select=1000)
context = selector.prune(question, flatten_iterable(documents))
print("Select %d paragraph" % len(context))
if model.preprocessor is not None:
# Models are allowed to define an additional pre-processing step
# This will turn the `ExtractedParagraph` objects back into simple lists of tokens
context = [
model.preprocessor.encode_text(question, x) for x in context
]
else:
# Otherwise just use flattened text
context = [flatten_iterable(x.text) for x in context]
print("Setting up model")
# Tell the model the batch size (can be None) and vocab to expect, This will load the
# needed word vectors and fix the batch size to use when building the graph / encoding the input
voc = set(question)
for txt in context:
voc.update(txt)
model.set_input_spec(ParagraphAndQuestionSpec(batch_size=len(context)),
voc)
# Now we build the actual tensorflow graph, `best_span` and `conf` are
# tensors holding the predicted span (inclusive) and confidence scores for each
# element in the input batch, confidence scores being the pre-softmax logit for the span
print("Build tf graph")
sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
# We need to use sess.as_default when working with the cuNND stuff, since we need an active
# session to figure out the # of parameters needed for each layer. The cpu-compatible models don't need this.
with sess.as_default():
# 8 means to limit the span to size 8 or less
best_spans, conf = model.get_prediction().get_best_span(8)
# Loads the saved weights
model_dir.restore_checkpoint(sess)
# Now the model is ready to run
# The model takes input in the form of `ContextAndQuestion` objects, for example:
data = [
ParagraphAndQuestion(x, question, None, "user-question%d" % i)
for i, x in enumerate(context)
]
print("Starting run")
# The model is run in two steps, first it "encodes" a batch of paragraph/context pairs
# into numpy arrays, then we use `sess` to run the actual model get the predictions
encoded = model.encode(
data, is_train=False) # batch of `ContextAndQuestion` -> feed_dict
best_spans, conf = sess.run([best_spans, conf],
feed_dict=encoded) # feed_dict -> predictions
best_para = np.argmax(
conf
) # We get output for each paragraph, select the most-confident one to print
print("Best Paragraph: " + str(best_para))
print("Best span: " + str(best_spans[best_para]))
print("Answer text: " +
" ".join(context[best_para]
[best_spans[best_para][0]:best_spans[best_para][1] + 1]))
print("Confidence: " + str(conf[best_para]))
y_output = " ".join(
context[best_para][best_spans[best_para][0]:best_spans[best_para][1] +
1])
print(y_output)
json_data["predictions"].append(str(y_output))
#indicate that the request was a success
json_data["success"] = True
#return the data dictionary as a JSON response
return flask.jsonify(json_data)
def convert(model_dir, output_dir, best_weights=False):
print("Load model")
md = ModelDir(model_dir)
model = md.get_model()
dim = model.embed_mapper.layers[1].n_units
global_step = tf.get_variable('global_step',
shape=[],
dtype='int32',
initializer=tf.constant_initializer(0),
trainable=False)
print("Setting up cudnn version")
#global_step = tf.get_variable('global_step', shape=[], dtype='int32', trainable=False)
sess = tf.Session()
sess.run(global_step.assign(0))
with sess.as_default():
model.set_input_spec(
ParagraphAndQuestionSpec(1, None, None, 14), {"the"},
ResourceLoader(lambda a, b: {"the": np.zeros(300, np.float32)}))
print("Buiding graph")
pred = model.get_prediction()
test_questions = ParagraphAndQuestion(
["Harry", "Potter", "was", "written", "by", "JK"],
["Who", "wrote", "Harry", "Potter", "?"], None, "test_questions")
print("Load vars")
md.restore_checkpoint(sess)
print("Restore finished")
feed = model.encode([test_questions], False)
cuddn_out = sess.run([pred.start_logits, pred.end_logits], feed_dict=feed)
print("Done, copying files...")
if not exists(output_dir):
mkdir(output_dir)
for file in listdir(model_dir):
if isfile(file) and file != "model.npy":
copyfile(join(model_dir, file), join(output_dir, file))
print("Done, mapping tensors...")
to_save = []
to_init = []
for x in tf.trainable_variables():
if x.name.endswith("/gru_parameters:0"):
key = x.name[:-len("/gru_parameters:0")]
fw_params = x
if "map_embed" in x.name:
c = cudnn_rnn_ops.CudnnGRU(1, dim, 400)
elif "chained-out" in x.name:
c = cudnn_rnn_ops.CudnnGRU(1, dim, dim * 4)
else:
c = cudnn_rnn_ops.CudnnGRU(1, dim, dim * 2)
params_saveable = cudnn_rnn_ops.RNNParamsSaveable(
c, c.params_to_canonical, c.canonical_to_params, [fw_params],
key)
for spec in params_saveable.specs:
if spec.name.endswith("bias_cudnn 0") or \
spec.name.endswith("bias_cudnn 1"):
# ??? What do these even do?
continue
name = spec.name.split("/")
name.remove("cell_0")
if "forward" in name:
ix = name.index("forward")
name.insert(ix + 2, "fw")
else:
ix = name.index("backward")
name.insert(ix + 2, "bw")
del name[ix]
ix = name.index("multi_rnn_cell")
name[ix] = "bidirectional_rnn"
name = "/".join(name)
v = tf.Variable(sess.run(spec.tensor), name=name)
to_init.append(v)
to_save.append(v)
else:
to_save.append(x)
other = [
x for x in tf.get_collection(tf.GraphKeys.GLOBAL_VARIABLES)
if x not in tf.trainable_variables()
]
print(other)
sess.run(tf.initialize_variables(to_init))
saver = tf.train.Saver(to_save + other)
save_dir = join(output_dir, "save")
if not exists(save_dir):
mkdir(save_dir)
saver.save(sess, join(save_dir, "checkpoint"), sess.run(global_step))
sess.close()
tf.reset_default_graph()
print("Updating model...")
model.embed_mapper.layers = [
model.embed_mapper.layers[0],
BiRecurrentMapper(CompatGruCellSpec(dim))
]
model.match_encoder.layers = list(model.match_encoder.layers)
other = model.match_encoder.layers[1].other
other.layers = list(other.layers)
other.layers[1] = BiRecurrentMapper(CompatGruCellSpec(dim))
pred = model.predictor.predictor
pred.first_layer = BiRecurrentMapper(CompatGruCellSpec(dim))
pred.second_layer = BiRecurrentMapper(CompatGruCellSpec(dim))
with open(join(output_dir, "model.pkl"), "wb") as f:
pickle.dump(model, f)
print("Testing...")
with open(join(output_dir, "model.pkl"), "rb") as f:
model = pickle.load(f)
sess = tf.Session()
model.set_input_spec(
ParagraphAndQuestionSpec(1, None, None, 14), {"the"},
ResourceLoader(lambda a, b: {"the": np.zeros(300, np.float32)}))
pred = model.get_prediction()
print("Rebuilding")
saver = tf.train.Saver()
saver.restore(sess, tf.train.latest_checkpoint(save_dir))
feed = model.encode([test_questions], False)
cpu_out = sess.run([pred.start_logits, pred.end_logits], feed_dict=feed)
print("These should be close:")
print([np.allclose(a, b) for a, b in zip(cpu_out, cuddn_out)])
print(cpu_out)
print(cuddn_out)
def main():
print('Starting...')
model_dir = ModelDir(OPTS.model)
model = model_dir.get_model()
tokenizer = NltkAndPunctTokenizer()
if not isinstance(model, ParagraphQuestionModel):
raise ValueError(
"This script is built to work for ParagraphQuestionModel models only"
)
if OPTS.reload_vocab:
loader = ResourceLoader()
else:
loader = CachingResourceLoader()
print('Loading word vectors...')
model.set_input_spec(ParagraphAndQuestionSpec(batch_size=None),
set([',']),
word_vec_loader=loader,
allow_update=True)
print('Starting Tensorflow session...')
sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
with sess.as_default():
prediction = model.get_prediction()
# Take 0-th here because we know we only truncate to one paragraph
start_logits_tf = prediction.start_logits[0]
end_logits_tf = prediction.end_logits[0]
none_logit_tf = prediction.none_logit[0]
#best_spans_tf, conf_tf = prediction.get_best_span(MAX_SPAN_LENGTH)
model_dir.restore_checkpoint(sess)
splitter = Truncate(400) # NOTE: we truncate past 400 tokens
selector = TopTfIdf(NltkPlusStopWords(True), n_to_select=5)
app = bottle.Bottle()
@app.route('/')
def index():
return bottle.template('index')
@app.route('/post_query', method='post')
def post_query():
document_raw = bottle.request.forms.getunicode('document').strip()
question_raw = bottle.request.forms.getunicode('question').strip()
document = re.split("\s*\n\s*", document_raw)
question = tokenizer.tokenize_paragraph_flat(question_raw)
doc_toks = [tokenizer.tokenize_paragraph(p) for p in document]
split_doc = splitter.split(doc_toks)
context = selector.prune(question, split_doc)
if model.preprocessor is not None:
context = [
model.preprocessor.encode_text(question, x) for x in context
]
else:
context = [flatten_iterable(x.text) for x in context]
vocab = set(question)
for txt in context:
vocab.update(txt)
data = [
ParagraphAndQuestion(x, question, None, "user-question%d" % i)
for i, x in enumerate(context)
]
model.word_embed.update(loader, vocab)
encoded = model.encode(data, is_train=False)
start_logits, end_logits, none_logit = sess.run(
[start_logits_tf, end_logits_tf, none_logit_tf], feed_dict=encoded)
beam, p_na = logits_to_probs(document_raw,
context[0],
start_logits,
end_logits,
none_logit,
beam_size=BEAM_SIZE)
return bottle.template('results',
document=document_raw,
question=question_raw,
beam=beam,
p_na=p_na)
cur_dir = os.path.abspath(os.path.dirname(__file__))
bottle.TEMPLATE_PATH.insert(0, os.path.join(cur_dir, 'views'))
bottle.run(app, host=OPTS.hostname, port=OPTS.port, debug=OPTS.debug)
def main():
parser = argparse.ArgumentParser(
description="Run an ELMo model on user input")
parser.add_argument("model", help="Model directory")
parser.add_argument("ja_filepath", help="File path to japanese questions")
parser.add_argument("result_file",
help="File path to predicted result json")
args = parser.parse_args()
print(args)
print("Preprocessing...")
paragraphs, questions = read_squad_style_database(args.ja_filepath)
# Load the model
model_dir = ModelDir(args.model)
model = model_dir.get_model()
if not isinstance(model, ParagraphQuestionModel):
raise ValueError(
"This script is built to work for ParagraphQuestionModel models only"
)
paragraphs, questions = read_squad_style_database(args.ja_filepath)
predictions = {}
predictions["conf"] = {}
for qa in questions:
print(qa["id"])
title = qa["title"]
para_idx = qa["para_idx"]
context = paragraphs[title][para_idx]
question = qa["question"]
print(context)
print(question)
if model.preprocessor is not None:
context = [
model.preprocessor.encode_text(question, x) for x in context
]
print("Setting up model")
voc = set(question)
for txt in context:
voc.update(txt)
model.set_input_spec(ParagraphAndQuestionSpec(batch_size=len(context)),
voc)
print("Build tf graph")
sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
with sess.as_default():
best_spans, conf = model.get_prediction().get_best_span(8)
# Loads the saved weights
model_dir.restore_checkpoint(sess)
data = [
ParagraphAndQuestion(x, question, None, "user-question%d" % i)
for i, x in enumerate(context)
]
print("Starting run")
encoded = model.encode(
data, is_train=False) # batch of `ContextAndQuestion` -> feed_dict
best_spans, conf = sess.run(
[best_spans, conf], feed_dict=encoded) # feed_dict -> predictions
print(best_spans)
predictions[qa["id"]] = best_spans
predictions["conf"][qa["id"]] = conf
print(predictions)
result_f = open(args.result_file, "w")
json.dump(predictions, result_f)
exit()
official_evaluator = OfficialEvaluator(args.ja_filepath, args.result_file)
evaluation = official_evaluator.evaluate()
print(evaluation)
word = line.strip()
if len(word) > 0:
vocab.add(word)
print('done')
print('Loading Model...', end='')
# init tf session and weights
model.set_input_spec(ParagraphAndQuestionSpec(batch_size=None), vocab)
sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
with sess.as_default():
best_spans, conf = model.get_prediction().get_best_span(16)
model_dir.restore_checkpoint(sess)
print('done')
# use docs: list<str> to find ans: str to question: str
def find_answer(documents, raw_question):
raw_question = raw_question.lower()
documents = [d.lower() for d in documents]
global best_spans, conf
documents = [re.split("\s*\n\s*", doc) for doc in documents]
tokenizer = NltkAndPunctTokenizer()
def main():
print('Starting...')
model_dir = ModelDir(OPTS.model)
model = model_dir.get_model()
if OPTS.elmo:
# Fix absolute path names from other codalab runs
lm = model.lm_model
if lm.lm_vocab_file.startswith('/0x'):
lm.lm_vocab_file = os.sep.join(lm.lm_vocab_file.split(os.sep)[2:])
if lm.options_file.startswith('/0x'):
lm.options_file = os.sep.join(lm.options_file.split(os.sep)[2:])
if lm.weight_file.startswith('/0x'):
lm.weight_file = os.sep.join(lm.weight_file.split(os.sep)[2:])
if lm.weight_file.startswith('/0x'):
lm.embed_weights_file = os.sep.join(lm.embed_weights_file.split(os.sep)[2:])
lm.embed_weights_file = None
#if not isinstance(model, ParagraphQuestionModel):
# raise ValueError("This script is built to work for ParagraphQuestionModel models only")
input_data, vocab = read_input_data(model)
print('Loading word vectors...')
model.set_input_spec(ParagraphAndQuestionSpec(batch_size=None), vocab)
print('Starting Tensorflow session...')
config = tf.ConfigProto(allow_soft_placement=True)
config.gpu_options.allow_growth = True
sess = tf.Session(config=config)
with sess.as_default():
prediction = model.get_prediction()
# Take 0-th here because we know we only truncate to one paragraph
start_logits_tf = prediction.start_logits[0]
end_logits_tf = prediction.end_logits[0]
none_logit_tf = prediction.none_logit[0]
if OPTS.elmo:
# See elmo/run_on_user_text.py
all_vars = tf.global_variables() + tf.get_collection(tf.GraphKeys.SAVEABLE_OBJECTS)
lm_var_names = {x.name for x in all_vars if x.name.startswith("bilm")}
vars = [x for x in all_vars if x.name not in lm_var_names]
model_dir.restore_checkpoint(sess, vars)
sess.run(tf.variables_initializer([x for x in all_vars if x.name in lm_var_names]))
else:
model_dir.restore_checkpoint(sess)
pred_obj = {}
na_prob_obj = {}
pred_always_ans_obj = {}
analysis_obj = {}
for context_raw, context_toks, ex in tqdm(input_data):
encoded = model.encode(ex, is_train=False)
start_logits, end_logits, none_logit = sess.run(
[start_logits_tf, end_logits_tf, none_logit_tf],
feed_dict=encoded)
# beam, p_na = logits_to_probs(
# context_raw, context_toks, start_logits, end_logits, none_logit,
# beam_size=DEFAULT_BEAM_SIZE)
beam, p_na = logits_to_probs(
context_raw, context_toks, start_logits, end_logits, none_logit,
beam_size=10)
# print(beam[0][0])
ans = beam[0][0]
# start, end = beam[0][2],beam[0][3]
non_empty_ans = [x[0] for x in beam if x[0]][0]
qid = ex[0].question_id
pred_obj[qid] = ans
na_prob_obj[qid] = p_na
pred_always_ans_obj[qid] = non_empty_ans
analysis_obj[qid] = [{'answer': b[0], 'span':[b[2], b[3]], 'prob':b[1]} for b in beam]
# print(analysis_obj[qid])
with open(OPTS.output_file, 'w') as f:
json.dump(pred_obj, f)
if OPTS.na_prob_file:
with open(OPTS.na_prob_file, 'w') as f:
json.dump(na_prob_obj, f)
if OPTS.always_answer_file:
with open(OPTS.always_answer_file, 'w') as f:
json.dump(pred_always_ans_obj, f)
if OPTS.analysis_file:
with open(OPTS.analysis_file, 'w') as f:
json.dump(analysis_obj, f, indent=2)
