def api_start_lexeme_collection():
"""
endpoint for inserting an incomplete lexeme collection into the database
via POST request
"""
# Get the starting lexeme and type
try:
typ_param = request.form['type']
start_str = request.form['start']
except KeyError:
return 'ERROR: Missing type or starting lexeme', 400
# Get the initial tag list
# The assumption is that individual tags cannot contain commas
try:
tags = request.form["tags"].split(',')
if tags == '':
tags = []
except KeyError:
tags = []
# Validate the initial tag list
# Tags can only contain alphanumeric characters and spaces
for tag in tags:
for char in tag:
if not (char.isalnum() or char == " "):
return "ERROR: Tags can only contain alphanumerics or spaces.", 400
# extract the type parameter (type of lexeme)
if typ_param == 'sentence':
typ = 'sentence'
db_collection = MONGO.db.paragraphs
else:
#default is Word
typ = 'word'
db_collection = MONGO.db.sentences
# Strip any whitespace from start_str
start_str = start_str.strip()
# Construct start_str as a Lexeme
if typ == 'word':
print "Word"
start_lex = Word(start_str)
elif typ == 'sentence':
start_lex = Sentence(start_str)
# validate it as a beginning lexeme
if not start_lex.is_valid_beginning():
print "FAILED"
return 'ERROR: '+start_lex.get_text()+' is not a valid beginning '+start_lex.type(), 400
# Insert into the database
db_collection.insert(
{"lexemes": [start_lex.get_text()], "complete": False, "tags":tags})
# return 200 OK
return "Successfully started the lexeme collection", 200
