class LookUp:
"""
LookUp Class.
This will read from a text file with words separated by newline characters.
ex text file:
ㅇㅓ
ㅇㅗ
ㅇㅓ
"""
def __init__(self, filename='file.txt'):
"""
?
"""
self.filename = filename
self.db_name = 'dictionary.db'
output_file_name = 'definitions.txt'
self.define_methods = [self._lookup_dic, self._lookup_daum,
self._lookup_mymem]
#open output file
self.out_file = open(output_file_name, 'w')
#delete contents if already exists
self.out_file.truncate()
#urls to visit
self.urls = {}
self.urls['daum'] = 'http://dic.daum.net/search.do?q=[word]&dic=eng'
self.daum_dict = DaumDict()
self.mymem = MyMem()
self._start_lookup()
def _lookup_kengdic(self, word):
"""
Uses the postgres kengdic to look up the korean word
returns false if word not found
"""
pass
def _lookup_mymem(self, word):
"""
Lookup the word using the mymemmory api
returns True or False if added english def to output file
"""
results = self.mymem.get_def(word)
if results is not None:
self._add_def_to_file(results, word)
return True
else:
return False
def _lookup_daum(self, word):
"""
Lookup the word using the daum dictionary class
returns True or False if added english def to output file
"""
results = self.daum_dict.get_def(word)
if results is not None:
self._add_def_to_file(results, word)
return True
else:
return False
def _lookup_dic(self, word):
"""
Use the sqllite db called dictinoary.db to look up the korean word
returns True for successful or False for unable to get any results from
the dictionary
"""
#connect to db
try:
self.db = sqlite3.connect(self.db_name)
cursor = self.db.cursor()
cursor.execute('SELECT * FROM Terms WHERE Expression = ?',(word,))
results = cursor.fetchall()
except Exception as e:
print("Not found in sqlite dictionary..")
return False
#add results to output_file
if len(results) > 0:
self._add_def_to_file(results, word)
return True
else:
return False
def _add_def_to_file(self, def_list, org_word):
"""
Adds the orginal word, all definitions and dicitonary forms and hanja
written on to the file.
output file orginal_word;dictionary_form; eng_def; hanja
def_list - is a list of tuples of definitions
ex. [('말', 'man', 'NULL'),
('말', '4.765 US gallons', 'NULL'),
('말', 'Horse', 'NULL'), ('말', 'End', 'NULL'),
('말', 'words,speaking', 'NULL')]
"""
#write to file
#orginal word; dict form; eng definition; hanja; \n
#combine eng_definitions and hanja if there are more than one tuple
if(len(def_list) < 1):#if empty list dont add
return 0
eng_def = ''
hanja = ''
dict_form = def_list[0][0]
for tup in def_list:
if(len(eng_def) > 1):
eng_def += ', '
eng_def += ('%s'%tup[1])
temp_hanja = tup[2]
if temp_hanja != 'NULL' and temp_hanja is not None:
if(len(hanja) > 1):
hanja += ', '
hanja += ('%s'%temp_hanja)
results = [org_word,dict_form,eng_def,hanja]
for value in results:
self.out_file.write('%s;'%value)
self.out_file.write('\n')
def _start_lookup(self):
"""
Start looking up the files in the various korean resources
"""
#open file and start reading line by line/word by word
try:
file = open(self.filename, 'r')
except IOError:
print("Sorry. file was not found and could not open. Please "
"Try again with a valid filename")
return -1
except Exception as e:
print("Sorry something went wrong: %s"%e)
return -1
for line in file:
word = line[:-1]#cut off newline or empty character at end of word
if(len(word) > 0):
#try to look up words
for define_method in self.define_methods:
if define_method(word):
break
#close output_file
self.out_file.close()