Issues in emailserver.py - All Issues - Inspection of "Merge branch 'develop'" - myems/myems-api - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( c6068e...54bd3b )

by Guangyu

created 2020-11-30 08:38 UTC

emailserver.py (1 issue)

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Duplication 1

Severity

Informational 1

import falcon
import json
import mysql.connector
import config
import base64
import re


class EmailServerCollection:
    @staticmethod
    def __init__():
        pass

    @staticmethod
    def on_options(req, resp):
        resp.status = falcon.HTTP_200

    @staticmethod
    def on_get(req, resp):
        cnx = mysql.connector.connect(**config.myems_fdd_db)
        cursor = cnx.cursor()

        query = (" SELECT id, host, port, requires_authentication, user_name, password, from_addr "
                 " FROM tbl_email_servers ")
        cursor.execute(query)
        rows = cursor.fetchall()
        cursor.close()
        cnx.disconnect()

        result = list()
        if rows is not None and len(rows) > 0:
            for row in rows:
                meta_result = {"id": row[0],
                               "host": row[1],
                               "port": row[2],
                               "requires_authentication": bool(row[3]),
                               "user_name": row[4],
                               "password": str(base64.b64decode(bytearray(row[5], 'utf-8')), 'utf-8')
                               if row[5] is not None else None,
                               "from_addr": row[6]}
                result.append(meta_result)

        resp.body = json.dumps(result)

    @staticmethod
    def on_post(req, resp):
        """Handles POST requests"""
        try:
            raw_json = req.stream.read().decode('utf-8')
        except Exception as ex:
            raise falcon.HTTPError(falcon.HTTP_400, title='API.ERROR', description=ex)

        new_values = json.loads(raw_json, encoding='utf-8')

        if 'host' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['host'], str) or \
                len(str.strip(new_values['data']['host'])) == 0:
            raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_EMAIL_SERVER_HOST')

        host = str.strip(new_values['data']['host'])

        if 'port' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['port'], int) or \
                new_values['data']['port'] <= 0:
            raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_PORT')
        port = float(new_values['data']['port'])

        if 'requires_authentication' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['requires_authentication'], bool):
            raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_REQUIRES_AUTHENTICATION')
        requires_authentication = new_values['data']['requires_authentication']

        if requires_authentication:
            if 'user_name' not in new_values['data'].keys() or \
                    not isinstance(new_values['data']['user_name'], str) or \
                    len(str.strip(new_values['data']['user_name'])) == 0:
                raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                       description='API.INVALID_USER_NAME')
            user_name = new_values['data']['user_name']
        else:
            user_name = None

        if requires_authentication:
            if 'password' not in new_values['data'].keys() or \
                    not isinstance(new_values['data']['password'], str) or \
                    len(str.strip(new_values['data']['password'])) == 0:
                raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                       description='API.INVALID_PASSWORD')
            password = base64.b64encode(bytearray(new_values['data']['password'], 'utf-8'))
        else:
            password = None

        if 'from_addr' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['from_addr'], str) or \
                len(str.strip(new_values['data']['from_addr'])) == 0:
            raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_FROM_ADDR')
        from_addr = new_values['data']['from_addr']

        match = re.match('^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$', from_addr)
        if match is None:
            raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_FROM_ADDR')

        cnx = mysql.connector.connect(**config.myems_fdd_db)
        cursor = cnx.cursor()

        cursor.execute(" SELECT host "
                       " FROM tbl_email_servers "
                       " WHERE host = %s ", (host,))
        if cursor.fetchone() is not None:
            cursor.close()
            cnx.disconnect()
            raise falcon.HTTPError(falcon.HTTP_404, title='API.BAD_REQUEST',
                                   description='API.EMAIL_SERVER_HOST_IS_ALREADY_IN_USE')

        add_value = (" INSERT INTO tbl_email_servers "
                     "    (host, port, requires_authentication, user_name, password, from_addr) "
                     " VALUES (%s, %s, %s, %s, %s, %s) ")
        cursor.execute(add_value, (host,
                                   port,
                                   requires_authentication,
                                   user_name,
                                   password,
                                   from_addr))
        new_id = cursor.lastrowid
        cnx.commit()
        cursor.close()
        cnx.disconnect()

        resp.status = falcon.HTTP_201
        resp.location = '/emailservers/' + str(new_id)


class EmailServerItem:
    @staticmethod
    def __init__():
        pass

    @staticmethod
    def on_options(req, resp, id_):
        resp.status = falcon.HTTP_200

    @staticmethod
    def on_get(req, resp, id_):
        if not id_.isdigit() or int(id_) <= 0:
            raise falcon.HTTPError(falcon.HTTP_400, '400 Bad Request')

        cnx = mysql.connector.connect(**config.myems_fdd_db)
        cursor = cnx.cursor()

        query = (" SELECT id, host, port, requires_authentication, user_name, password, from_addr "
                 " FROM tbl_email_servers "
                 " WHERE id = %s ")
        cursor.execute(query, (id_,))
        row = cursor.fetchone()
        cursor.close()
        cnx.disconnect()
        if row is None:
            raise falcon.HTTPError(falcon.HTTP_404, 'API.NOT_FOUND')

        result = {"id": row[0],
                  "host": row[1],
                  "port": row[2],
                  "requires_authentication": bool(row[3]),
                  "user_name": row[4],
                  "password": str(base64.b64decode(bytearray(row[5], 'utf-8')), 'utf-8')
                  if row[5] is not None else None,
                  "from_addr": row[5]}
        resp.body = json.dumps(result)

    @staticmethod

    def on_delete(req, resp, id_):
        if not id_.isdigit() or int(id_) <= 0:
            raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_EMAIL_SERVER_ID')

        cnx = mysql.connector.connect(**config.myems_fdd_db)
        cursor = cnx.cursor()

        cursor.execute(" SELECT host "
                       " FROM tbl_email_servers "
                       " WHERE id = %s ", (id_,))
        if cursor.fetchone() is None:
            cursor.close()
            cnx.disconnect()
            raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
                                   description='API.EMAIL_SERVER_NOT_FOUND')

        cursor.execute(" DELETE FROM tbl_email_servers WHERE id = %s ", (id_,))
        cnx.commit()

        cursor.close()
        cnx.disconnect()

        resp.status = falcon.HTTP_204

    @staticmethod
    def on_put(req, resp, id_):
        """Handles PUT requests"""
        try:
            raw_json = req.stream.read().decode('utf-8')
        except Exception as ex:
            raise falcon.HTTPError(falcon.HTTP_400, title='API.EXCEPTION', description=ex)

        if not id_.isdigit() or int(id_) <= 0:
            raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_EMAIL_SERVER_ID')

        new_values = json.loads(raw_json, encoding='utf-8')
        if 'host' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['host'], str) or \
                len(str.strip(new_values['data']['host'])) == 0:
            raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_EMAIL_SERVER_HOST')

        host = str.strip(new_values['data']['host'])

        if 'port' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['port'], int) or \
                new_values['data']['port'] <= 0:
            raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_PORT')
        port = float(new_values['data']['port'])

        if 'requires_authentication' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['requires_authentication'], bool):
            raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_REQUIRES_AUTHENTICATION')
        requires_authentication = new_values['data']['requires_authentication']

        if requires_authentication:
            if 'user_name' not in new_values['data'].keys() or \
                    not isinstance(new_values['data']['user_name'], str) or \
                    len(str.strip(new_values['data']['user_name'])) == 0:
                raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                       description='API.INVALID_USER_NAME')
            user_name = new_values['data']['user_name']
        else:
            user_name = None

        if requires_authentication:
            if 'password' not in new_values['data'].keys() or \
                    not isinstance(new_values['data']['password'], str) or \
                    len(str.strip(new_values['data']['password'])) == 0:
                raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                       description='API.INVALID_PASSWORD')
            password = base64.b64encode(bytearray(new_values['data']['password'], 'utf-8'))
        else:
            password = None

        if 'from_addr' not in new_values['data'].keys() or \
                not isinstance(new_values['data']['from_addr'], str) or \
                len(str.strip(new_values['data']['from_addr'])) == 0:
            raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_FROM_ADDR')
        from_addr = new_values['data']['from_addr']

        match = re.match('^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$', from_addr)
        if match is None:
            raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
                                   description='API.INVALID_FROM_ADDR')

        cnx = mysql.connector.connect(**config.myems_fdd_db)
        cursor = cnx.cursor()

        cursor.execute(" SELECT id "
                       " FROM tbl_email_servers "
                       " WHERE id = %s ",
                       (id_,))
        if cursor.fetchone() is None:
            cursor.close()
            cnx.disconnect()
            raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
                                   description='API.EMAIL_SERVER_NOT_FOUND')

        cursor.execute(" SELECT host "
                       " FROM tbl_email_servers "
                       " WHERE host = %s AND id != %s ", (host, id_))
        if cursor.fetchone() is not None:
            cursor.close()
            cnx.disconnect()
            raise falcon.HTTPError(falcon.HTTP_404, title='API.BAD_REQUEST',
                                   description='API.EMAIL_SERVER_HOST_IS_ALREADY_IN_USE')

        update_row = (" UPDATE tbl_email_servers "
                      " SET host = %s, port = %s, requires_authentication = %s, "
                      "     user_name = %s, password = %s, from_addr = %s "
                      " WHERE id = %s ")
        cursor.execute(update_row, (host,
                                    port,
                                    requires_authentication,
                                    user_name,
                                    password,
                                    from_addr,
                                    id_,))
        cnx.commit()

        cursor.close()
        cnx.disconnect()

        resp.status = falcon.HTTP_200


1		import falcon
2		import json
3		import mysql.connector
4		import config
5		import base64
6		import re
7
8
9		class EmailServerCollection:
10		@staticmethod
11		def __init__():
12		pass
13
14		@staticmethod
15		def on_options(req, resp):
16		resp.status = falcon.HTTP_200
17
18		@staticmethod
19		def on_get(req, resp):
20		cnx = mysql.connector.connect(**config.myems_fdd_db)
21		cursor = cnx.cursor()
22
23		query = (" SELECT id, host, port, requires_authentication, user_name, password, from_addr "
24		" FROM tbl_email_servers ")
25		cursor.execute(query)
26		rows = cursor.fetchall()
27		cursor.close()
28		cnx.disconnect()
29
30		result = list()
31		if rows is not None and len(rows) > 0:
32		for row in rows:
33		meta_result = {"id": row[0],
34		"host": row[1],
35		"port": row[2],
36		"requires_authentication": bool(row[3]),
37		"user_name": row[4],
38		"password": str(base64.b64decode(bytearray(row[5], 'utf-8')), 'utf-8')
39		if row[5] is not None else None,
40		"from_addr": row[6]}
41		result.append(meta_result)
42
43		resp.body = json.dumps(result)
44
45		@staticmethod
46		def on_post(req, resp):
47		"""Handles POST requests"""
48		try:
49		raw_json = req.stream.read().decode('utf-8')
50		except Exception as ex:
51		raise falcon.HTTPError(falcon.HTTP_400, title='API.ERROR', description=ex)
52
53		new_values = json.loads(raw_json, encoding='utf-8')
54
55		if 'host' not in new_values['data'].keys() or \
56		not isinstance(new_values['data']['host'], str) or \
57		len(str.strip(new_values['data']['host'])) == 0:
58		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
59		description='API.INVALID_EMAIL_SERVER_HOST')
60
61		host = str.strip(new_values['data']['host'])
62
63		if 'port' not in new_values['data'].keys() or \
64		not isinstance(new_values['data']['port'], int) or \
65		new_values['data']['port'] <= 0:
66		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
67		description='API.INVALID_PORT')
68		port = float(new_values['data']['port'])
69
70		if 'requires_authentication' not in new_values['data'].keys() or \
71		not isinstance(new_values['data']['requires_authentication'], bool):
72		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
73		description='API.INVALID_REQUIRES_AUTHENTICATION')
74		requires_authentication = new_values['data']['requires_authentication']
75
76		if requires_authentication:
77		if 'user_name' not in new_values['data'].keys() or \
78		not isinstance(new_values['data']['user_name'], str) or \
79		len(str.strip(new_values['data']['user_name'])) == 0:
80		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
81		description='API.INVALID_USER_NAME')
82		user_name = new_values['data']['user_name']
83		else:
84		user_name = None
85
86		if requires_authentication:
87		if 'password' not in new_values['data'].keys() or \
88		not isinstance(new_values['data']['password'], str) or \
89		len(str.strip(new_values['data']['password'])) == 0:
90		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
91		description='API.INVALID_PASSWORD')
92		password = base64.b64encode(bytearray(new_values['data']['password'], 'utf-8'))
93		else:
94		password = None
95
96		if 'from_addr' not in new_values['data'].keys() or \
97		not isinstance(new_values['data']['from_addr'], str) or \
98		len(str.strip(new_values['data']['from_addr'])) == 0:
99		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
100		description='API.INVALID_FROM_ADDR')
101		from_addr = new_values['data']['from_addr']
102
103		match = re.match('^[_a-z0-9-]+(\.[_a-z0-9-]+)@[a-z0-9-]+(\.[a-z0-9-]+)(\.[a-z]{2,4})$', from_addr)
104		if match is None:
105		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
106		description='API.INVALID_FROM_ADDR')
107
108		cnx = mysql.connector.connect(**config.myems_fdd_db)
109		cursor = cnx.cursor()
110
111		cursor.execute(" SELECT host "
112		" FROM tbl_email_servers "
113		" WHERE host = %s ", (host,))
114		if cursor.fetchone() is not None:
115		cursor.close()
116		cnx.disconnect()
117		raise falcon.HTTPError(falcon.HTTP_404, title='API.BAD_REQUEST',
118		description='API.EMAIL_SERVER_HOST_IS_ALREADY_IN_USE')
119
120		add_value = (" INSERT INTO tbl_email_servers "
121		" (host, port, requires_authentication, user_name, password, from_addr) "
122		" VALUES (%s, %s, %s, %s, %s, %s) ")
123		cursor.execute(add_value, (host,
124		port,
125		requires_authentication,
126		user_name,
127		password,
128		from_addr))
129		new_id = cursor.lastrowid
130		cnx.commit()
131		cursor.close()
132		cnx.disconnect()
133
134		resp.status = falcon.HTTP_201
135		resp.location = '/emailservers/' + str(new_id)
136
137
138		class EmailServerItem:
139		@staticmethod
140		def __init__():
141		pass
142
143		@staticmethod
144		def on_options(req, resp, id_):
145		resp.status = falcon.HTTP_200
146
147		@staticmethod
148		def on_get(req, resp, id_):
149		if not id_.isdigit() or int(id_) <= 0:
150		raise falcon.HTTPError(falcon.HTTP_400, '400 Bad Request')
151
152		cnx = mysql.connector.connect(**config.myems_fdd_db)
153		cursor = cnx.cursor()
154
155		query = (" SELECT id, host, port, requires_authentication, user_name, password, from_addr "
156		" FROM tbl_email_servers "
157		" WHERE id = %s ")
158		cursor.execute(query, (id_,))
159		row = cursor.fetchone()
160		cursor.close()
161		cnx.disconnect()
162		if row is None:
163		raise falcon.HTTPError(falcon.HTTP_404, 'API.NOT_FOUND')
164
165		result = {"id": row[0],
166		"host": row[1],
167		"port": row[2],
168		"requires_authentication": bool(row[3]),
169		"user_name": row[4],
170		"password": str(base64.b64decode(bytearray(row[5], 'utf-8')), 'utf-8')
171		if row[5] is not None else None,
172		"from_addr": row[5]}
173		resp.body = json.dumps(result)
174
175	View Code Duplication	@staticmethod
		0 ignored issues – show Duplication introduced 2020-11-24 10:14 UTC by Report Bug Copy Issue Report Show Similar Issues like this This code seems to be duplicated in your project. Loading history...
176		def on_delete(req, resp, id_):
177		if not id_.isdigit() or int(id_) <= 0:
178		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
179		description='API.INVALID_EMAIL_SERVER_ID')
180
181		cnx = mysql.connector.connect(**config.myems_fdd_db)
182		cursor = cnx.cursor()
183
184		cursor.execute(" SELECT host "
185		" FROM tbl_email_servers "
186		" WHERE id = %s ", (id_,))
187		if cursor.fetchone() is None:
188		cursor.close()
189		cnx.disconnect()
190		raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
191		description='API.EMAIL_SERVER_NOT_FOUND')
192
193		cursor.execute(" DELETE FROM tbl_email_servers WHERE id = %s ", (id_,))
194		cnx.commit()
195
196		cursor.close()
197		cnx.disconnect()
198
199		resp.status = falcon.HTTP_204
200
201		@staticmethod
202		def on_put(req, resp, id_):
203		"""Handles PUT requests"""
204		try:
205		raw_json = req.stream.read().decode('utf-8')
206		except Exception as ex:
207		raise falcon.HTTPError(falcon.HTTP_400, title='API.EXCEPTION', description=ex)
208
209		if not id_.isdigit() or int(id_) <= 0:
210		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
211		description='API.INVALID_EMAIL_SERVER_ID')
212
213		new_values = json.loads(raw_json, encoding='utf-8')
214		if 'host' not in new_values['data'].keys() or \
215		not isinstance(new_values['data']['host'], str) or \
216		len(str.strip(new_values['data']['host'])) == 0:
217		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
218		description='API.INVALID_EMAIL_SERVER_HOST')
219
220		host = str.strip(new_values['data']['host'])
221
222		if 'port' not in new_values['data'].keys() or \
223		not isinstance(new_values['data']['port'], int) or \
224		new_values['data']['port'] <= 0:
225		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
226		description='API.INVALID_PORT')
227		port = float(new_values['data']['port'])
228
229		if 'requires_authentication' not in new_values['data'].keys() or \
230		not isinstance(new_values['data']['requires_authentication'], bool):
231		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
232		description='API.INVALID_REQUIRES_AUTHENTICATION')
233		requires_authentication = new_values['data']['requires_authentication']
234
235		if requires_authentication:
236		if 'user_name' not in new_values['data'].keys() or \
237		not isinstance(new_values['data']['user_name'], str) or \
238		len(str.strip(new_values['data']['user_name'])) == 0:
239		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
240		description='API.INVALID_USER_NAME')
241		user_name = new_values['data']['user_name']
242		else:
243		user_name = None
244
245		if requires_authentication:
246		if 'password' not in new_values['data'].keys() or \
247		not isinstance(new_values['data']['password'], str) or \
248		len(str.strip(new_values['data']['password'])) == 0:
249		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
250		description='API.INVALID_PASSWORD')
251		password = base64.b64encode(bytearray(new_values['data']['password'], 'utf-8'))
252		else:
253		password = None
254
255		if 'from_addr' not in new_values['data'].keys() or \
256		not isinstance(new_values['data']['from_addr'], str) or \
257		len(str.strip(new_values['data']['from_addr'])) == 0:
258		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
259		description='API.INVALID_FROM_ADDR')
260		from_addr = new_values['data']['from_addr']
261
262		match = re.match('^[_a-z0-9-]+(\.[_a-z0-9-]+)@[a-z0-9-]+(\.[a-z0-9-]+)(\.[a-z]{2,4})$', from_addr)
263		if match is None:
264		raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
265		description='API.INVALID_FROM_ADDR')
266
267		cnx = mysql.connector.connect(**config.myems_fdd_db)
268		cursor = cnx.cursor()
269
270		cursor.execute(" SELECT id "
271		" FROM tbl_email_servers "
272		" WHERE id = %s ",
273		(id_,))
274		if cursor.fetchone() is None:
275		cursor.close()
276		cnx.disconnect()
277		raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
278		description='API.EMAIL_SERVER_NOT_FOUND')
279
280		cursor.execute(" SELECT host "
281		" FROM tbl_email_servers "
282		" WHERE host = %s AND id != %s ", (host, id_))
283		if cursor.fetchone() is not None:
284		cursor.close()
285		cnx.disconnect()
286		raise falcon.HTTPError(falcon.HTTP_404, title='API.BAD_REQUEST',
287		description='API.EMAIL_SERVER_HOST_IS_ALREADY_IN_USE')
288
289		update_row = (" UPDATE tbl_email_servers "
290		" SET host = %s, port = %s, requires_authentication = %s, "
291		" user_name = %s, password = %s, from_addr = %s "
292		" WHERE id = %s ")
293		cursor.execute(update_row, (host,
294		port,
295		requires_authentication,
296		user_name,
297		password,
298		from_addr,
299		id_,))
300		cnx.commit()
301
302		cursor.close()
303		cnx.disconnect()
304
305		resp.status = falcon.HTTP_200
306

myems / myems-api

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emailserver.py (1 issue)

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