215 lines
6.0 KiB
Python
215 lines
6.0 KiB
Python
import mariadb
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import os
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import sys
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database_info = {
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'database': os.getenv("MDB_DATABASE", "oss"),
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'host': os.getenv("MDB_HOST", "localhost"),
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'port': int(os.getenv("PORT", 3306)) ,
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'user': os.getenv("MDB_USER", "root"),
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'password': os.getenv("MDB_PASSWORD", "root"),
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}
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cur = None
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# Connect to MariaDB Platform
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def get_files_by_udc(udc):
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ret = []
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try:
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print(database_info)
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conn = mariadb.connect(**database_info)
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cur = conn.cursor()
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where_in = ','.join(['%s'] * len(udc))
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print(where_in)
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sql = "select distinct xml_id from metadata_udc where udk IN (%s)" % (where_in)
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print(sql)
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cur.execute(sql,udc)
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#cur.execute(f'SELECT COUNT(*) FROM os2022_ngrams')
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ret = list(cur)
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except mariadb.Error as e:
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print(f"Error connecting to MariaDB Platform: {e}")
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return ret
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def vrni_oss_dokumente(leta, vrste, kljucne_besede, udk):
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ret = []
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try:
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print(database_info)
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conn = mariadb.connect(**database_info)
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cur = conn.cursor()
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sql = "select distinct xml_id from metadata"
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where=""
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params=[]
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if (udk):
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where_in_udk = ','.join(['%s'] * len(udk))
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where=" udk IN (%s) " % (where_in_udk)
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params=udk
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if (leta):
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where_in_leta = ','.join(['%s'] * len(leta))
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if (where):
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where=where+ " AND "
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where=where + " leto IN (%s) " % (where_in_leta)
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params=params+leta
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if (vrste):
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if (where):
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where=where+ " AND "
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where_in_vrste = ','.join(['%s'] * len(vrste))
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where=where + " tipologija IN (%s) " % (where_in_vrste)
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params=params+vrste
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if (kljucne_besede):
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if (where):
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where=where+ " AND "
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where_in_kb = ','.join(['%s'] * len(kljucne_besede))
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where=where + " kljucnabeseda IN (%s) " % (where_in_kb)
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params=params+kljucne_besede
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if(where):
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sql=sql+" where " + where + ";"
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print(sql)
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print(params)
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cur.execute(sql,params)
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ret = list(cur)
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except mariadb.Error as e:
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print(f"Error connecting to MariaDB Platform: {e}")
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return ret
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def vrni_oss_terminoloske_kandidate(leta, vrste, kljucne_besede, prepovedane_besede, udk):
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ret = []
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try:
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print(database_info)
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conn = mariadb.connect(**database_info)
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cur = conn.cursor()
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sql = "select distinct document_id from metadata"
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where=""
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params=[]
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if (udk):
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where_in_udk = ','.join(['%s'] * len(udk))
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where=" udk IN (%s) " % (where_in_udk)
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params=udk
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if (leta):
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where_in_leta = ','.join(['%s'] * len(leta))
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if (where):
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where=where+ " AND "
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where=where + " leto IN (%s) " % (where_in_leta)
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params=params+leta
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if (vrste):
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if (where):
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where=where+ " AND "
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where_in_vrste = ','.join(['%s'] * len(vrste))
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where=where + " tipologija IN (%s) " % (where_in_vrste)
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params=params+vrste
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if (kljucne_besede):
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if (where):
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where=where+ " AND "
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where_in_kb = ','.join(['%s'] * len(kljucne_besede))
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where=where + " kljucnabeseda IN (%s) " % (where_in_kb)
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params=params+kljucne_besede
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if(where):
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sql=sql+" where " + where
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print(sql)
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print(params)
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sqltk=f"""Select ngram,upos,avg(tfidf) as tfidf, sum(tf) as tf from (
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SELECT tf.ngram, tf.upos,(0.5+0.5*(tf.tf/d.maxtf))*log(152000/df.df)*(-1*log(1-((dff.df)/(1+df.df)))) as tfidf, tf.tf as tf
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FROM ngrams_upos_tf tf, documents d,
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(
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Select ngram, upos, count(*) as df from ngrams_upos_tf TF
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where document_id in
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({sql})
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group by TF.ngram, TF.upos
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) dff, ngrams_upos_df df
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where
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tf.document_id=d.document_id and
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df.ngram=tf.ngram AND df.upos=tf.upos and
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dff.ngram=tf.ngram AND dff.upos=tf.upos
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) X
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group by ngram,upos
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order by tfidf desc
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limit 1000;"""
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#
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print (sqltk)
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cur.execute(sqltk,params)
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#ret = list(cur)
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ret = {'terminoloski_kandidati': [
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{
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'POSoznake': upos,
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'kandidat': ngram, # more to bit lemma al terms?
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'kanonicnaoblika': ngram,
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'ranking': tfidf,
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'podporneutezi': [
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0.0, # ????????
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0.0 # ??????
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],
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'pogostostpojavljanja': [tf, 0] # ???????
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}
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for upos,ngram,tfidf,tf in cur
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]}
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except mariadb.Error as e:
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print(f"Error connecting to MariaDB Platform: {e}")
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return ret
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# class BaseModel(Model):
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# class Meta:
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# database = db
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#
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#
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# class os2022_ngrams(BaseModel):
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# file_id = IntegerField()
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# sent_id = FloatField()
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# ngram_len = IntegerField()
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# frequency_g_t = IntegerField()
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# gram_text = TextField()
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# lemma_text = TextField()
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# xpos_text = TextField()
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# upos_text = TextField()
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#
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# db.connect()
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#class Ngrams_Manager:
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#@staticmethod
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#def get_by_file_id(file_id):
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#try:
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# cur.execute(f'SELECT * from os2022_ngrams WHERE file_id = {file_id}')
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# cur.execute(f'SELECT COUNT(*) FROM os2022_ngrams')
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# return list(cur)
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# return 1
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#except Exception as e:
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#print(e, 'EXC')
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#return 0
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