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42efe016
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体验新版 GitCode,发现更多精彩内容 >>
提交
42efe016
编写于
2月 19, 2021
作者:
sangshuduo
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
[TD-2971] feature: make python connector support unsigned type. fix pep8 format.
上级
8904a046
变更
25
展开全部
隐藏空白更改
内联
并排
Showing
25 changed file
with
838 addition
and
344 deletion
+838
-344
src/connector/python/linux/python2/taos/__init__.py
src/connector/python/linux/python2/taos/__init__.py
+1
-0
src/connector/python/linux/python2/taos/cinterface.py
src/connector/python/linux/python2/taos/cinterface.py
+212
-87
src/connector/python/linux/python2/taos/connection.py
src/connector/python/linux/python2/taos/connection.py
+13
-4
src/connector/python/linux/python2/taos/constants.py
src/connector/python/linux/python2/taos/constants.py
+1
-0
src/connector/python/linux/python2/taos/cursor.py
src/connector/python/linux/python2/taos/cursor.py
+15
-6
src/connector/python/linux/python2/taos/dbapi.py
src/connector/python/linux/python2/taos/dbapi.py
+7
-1
src/connector/python/linux/python2/taos/error.py
src/connector/python/linux/python2/taos/error.py
+13
-4
src/connector/python/linux/python2/taos/subscription.py
src/connector/python/linux/python2/taos/subscription.py
+14
-9
src/connector/python/linux/python3/taos/__init__.py
src/connector/python/linux/python3/taos/__init__.py
+1
-0
src/connector/python/linux/python3/taos/cinterface.py
src/connector/python/linux/python3/taos/cinterface.py
+212
-87
src/connector/python/linux/python3/taos/connection.py
src/connector/python/linux/python3/taos/connection.py
+13
-4
src/connector/python/linux/python3/taos/constants.py
src/connector/python/linux/python3/taos/constants.py
+1
-0
src/connector/python/linux/python3/taos/cursor.py
src/connector/python/linux/python3/taos/cursor.py
+20
-12
src/connector/python/linux/python3/taos/dbapi.py
src/connector/python/linux/python3/taos/dbapi.py
+7
-1
src/connector/python/linux/python3/taos/error.py
src/connector/python/linux/python3/taos/error.py
+13
-4
src/connector/python/linux/python3/taos/subscription.py
src/connector/python/linux/python3/taos/subscription.py
+13
-8
src/connector/python/osx/python3/taos/__init__.py
src/connector/python/osx/python3/taos/__init__.py
+1
-0
src/connector/python/osx/python3/taos/cinterface.py
src/connector/python/osx/python3/taos/cinterface.py
+212
-87
src/connector/python/osx/python3/taos/connection.py
src/connector/python/osx/python3/taos/connection.py
+13
-4
src/connector/python/osx/python3/taos/constants.py
src/connector/python/osx/python3/taos/constants.py
+1
-0
src/connector/python/osx/python3/taos/cursor.py
src/connector/python/osx/python3/taos/cursor.py
+20
-12
src/connector/python/osx/python3/taos/dbapi.py
src/connector/python/osx/python3/taos/dbapi.py
+7
-1
src/connector/python/osx/python3/taos/error.py
src/connector/python/osx/python3/taos/error.py
+13
-4
src/connector/python/osx/python3/taos/subscription.py
src/connector/python/osx/python3/taos/subscription.py
+13
-8
tests/pytest/insert/basic_unsigned.py
tests/pytest/insert/basic_unsigned.py
+2
-1
未找到文件。
src/connector/python/linux/python2/taos/__init__.py
浏览文件 @
42efe016
...
...
@@ -8,6 +8,7 @@ paramstyle = 'pyformat'
__all__
=
[
'connection'
,
'cursor'
]
def
connect
(
*
args
,
**
kwargs
):
""" Function to return a TDengine connector object
...
...
src/connector/python/linux/python2/taos/cinterface.py
浏览文件 @
42efe016
此差异已折叠。
点击以展开。
src/connector/python/linux/python2/taos/connection.py
浏览文件 @
42efe016
...
...
@@ -2,9 +2,11 @@ from .cursor import TDengineCursor
from
.subscription
import
TDengineSubscription
from
.cinterface
import
CTaosInterface
class
TDengineConnection
(
object
):
""" TDengine connection object
"""
def
__init__
(
self
,
*
args
,
**
kwargs
):
self
.
_conn
=
None
self
.
_host
=
None
...
...
@@ -29,7 +31,7 @@ class TDengineConnection(object):
# password
if
'password'
in
kwargs
:
self
.
_password
=
kwargs
[
'password'
]
# database
if
'database'
in
kwargs
:
self
.
_database
=
kwargs
[
'database'
]
...
...
@@ -43,7 +45,12 @@ class TDengineConnection(object):
self
.
_config
=
kwargs
[
'config'
]
self
.
_chandle
=
CTaosInterface
(
self
.
_config
)
self
.
_conn
=
self
.
_chandle
.
connect
(
self
.
_host
,
self
.
_user
,
self
.
_password
,
self
.
_database
,
self
.
_port
)
self
.
_conn
=
self
.
_chandle
.
connect
(
self
.
_host
,
self
.
_user
,
self
.
_password
,
self
.
_database
,
self
.
_port
)
def
close
(
self
):
"""Close current connection.
...
...
@@ -55,7 +62,8 @@ class TDengineConnection(object):
"""
if
self
.
_conn
is
None
:
return
None
sub
=
CTaosInterface
.
subscribe
(
self
.
_conn
,
restart
,
topic
,
sql
,
interval
)
sub
=
CTaosInterface
.
subscribe
(
self
.
_conn
,
restart
,
topic
,
sql
,
interval
)
return
TDengineSubscription
(
sub
)
def
cursor
(
self
):
...
...
@@ -80,7 +88,8 @@ class TDengineConnection(object):
"""
pass
if
__name__
==
"__main__"
:
conn
=
TDengineConnection
(
host
=
'192.168.1.107'
)
conn
.
close
()
print
(
"Hello world"
)
\ No newline at end of file
print
(
"Hello world"
)
src/connector/python/linux/python2/taos/constants.py
浏览文件 @
42efe016
...
...
@@ -3,6 +3,7 @@
from
.dbapi
import
*
class
FieldType
(
object
):
"""TDengine Field Types
"""
...
...
src/connector/python/linux/python2/taos/cursor.py
浏览文件 @
42efe016
...
...
@@ -128,8 +128,8 @@ class TDengineCursor(object):
if
errno
==
0
:
if
CTaosInterface
.
fieldsCount
(
self
.
_result
)
==
0
:
self
.
_affected_rows
+=
CTaosInterface
.
affectedRows
(
self
.
_result
)
return
CTaosInterface
.
affectedRows
(
self
.
_result
)
self
.
_result
)
return
CTaosInterface
.
affectedRows
(
self
.
_result
)
else
:
self
.
_fields
=
CTaosInterface
.
useResult
(
self
.
_result
)
...
...
@@ -148,6 +148,7 @@ class TDengineCursor(object):
"""Fetch the next row of a query result set, returning a single sequence, or None when no more data is available.
"""
pass
def
fetchmany
(
self
):
pass
...
...
@@ -206,16 +207,20 @@ class TDengineCursor(object):
buffer
=
[[]
for
i
in
range
(
len
(
self
.
_fields
))]
self
.
_rowcount
=
0
while
True
:
block
,
num_of_fields
=
CTaosInterface
.
fetchRow
(
self
.
_result
,
self
.
_fields
)
block
,
num_of_fields
=
CTaosInterface
.
fetchRow
(
self
.
_result
,
self
.
_fields
)
errno
=
CTaosInterface
.
libtaos
.
taos_errno
(
self
.
_result
)
if
errno
!=
0
:
raise
ProgrammingError
(
CTaosInterface
.
errStr
(
self
.
_result
),
errno
)
raise
ProgrammingError
(
CTaosInterface
.
errStr
(
self
.
_result
),
errno
)
if
num_of_fields
==
0
:
break
self
.
_rowcount
+=
num_of_fields
for
i
in
range
(
len
(
self
.
_fields
)):
buffer
[
i
].
extend
(
block
[
i
])
return
list
(
map
(
tuple
,
zip
(
*
buffer
)))
def
fetchall
(
self
):
if
self
.
_result
is
None
or
self
.
_fields
is
None
:
raise
OperationalError
(
"Invalid use of fetchall"
)
...
...
@@ -223,16 +228,20 @@ class TDengineCursor(object):
buffer
=
[[]
for
i
in
range
(
len
(
self
.
_fields
))]
self
.
_rowcount
=
0
while
True
:
block
,
num_of_fields
=
CTaosInterface
.
fetchBlock
(
self
.
_result
,
self
.
_fields
)
block
,
num_of_fields
=
CTaosInterface
.
fetchBlock
(
self
.
_result
,
self
.
_fields
)
errno
=
CTaosInterface
.
libtaos
.
taos_errno
(
self
.
_result
)
if
errno
!=
0
:
raise
ProgrammingError
(
CTaosInterface
.
errStr
(
self
.
_result
),
errno
)
raise
ProgrammingError
(
CTaosInterface
.
errStr
(
self
.
_result
),
errno
)
if
num_of_fields
==
0
:
break
self
.
_rowcount
+=
num_of_fields
for
i
in
range
(
len
(
self
.
_fields
)):
buffer
[
i
].
extend
(
block
[
i
])
return
list
(
map
(
tuple
,
zip
(
*
buffer
)))
def
nextset
(
self
):
"""
"""
...
...
src/connector/python/linux/python2/taos/dbapi.py
浏览文件 @
42efe016
...
...
@@ -4,6 +4,7 @@
import
time
import
datetime
class
DBAPITypeObject
(
object
):
def
__init__
(
self
,
*
values
):
self
.
values
=
values
...
...
@@ -16,23 +17,28 @@ class DBAPITypeObject(object):
else
:
return
-
1
Date
=
datetime
.
date
Time
=
datetime
.
time
Timestamp
=
datetime
.
datetime
def
DataFromTicks
(
ticks
):
return
Date
(
*
time
.
localtime
(
ticks
)[:
3
])
def
TimeFromTicks
(
ticks
):
return
Time
(
*
time
.
localtime
(
ticks
)[
3
:
6
])
def
TimestampFromTicks
(
ticks
):
return
Timestamp
(
*
time
.
localtime
(
ticks
)[:
6
])
Binary
=
bytes
# STRING = DBAPITypeObject(*constants.FieldType.get_string_types())
# BINARY = DBAPITypeObject(*constants.FieldType.get_binary_types())
# NUMBER = BAPITypeObject(*constants.FieldType.get_number_types())
# DATETIME = DBAPITypeObject(*constants.FieldType.get_timestamp_types())
# ROWID = DBAPITypeObject()
\ No newline at end of file
# ROWID = DBAPITypeObject()
src/connector/python/linux/python2/taos/error.py
浏览文件 @
42efe016
"""Python exceptions
"""
class
Error
(
Exception
):
def
__init__
(
self
,
msg
=
None
,
errno
=
None
):
self
.
msg
=
msg
self
.
_full_msg
=
self
.
msg
self
.
errno
=
errno
def
__str__
(
self
):
return
self
.
_full_msg
class
Warning
(
Exception
):
"""Exception raised for important warnings like data truncations while inserting.
"""
pass
class
InterfaceError
(
Error
):
"""Exception raised for errors that are related to the database interface rather than the database itself.
"""Exception raised for errors that are related to the database interface rather than the database itself.
"""
pass
class
DatabaseError
(
Error
):
"""Exception raised for errors that are related to the database.
"""Exception raised for errors that are related to the database.
"""
pass
class
DataError
(
DatabaseError
):
"""Exception raised for errors that are due to problems with the processed data like division by zero, numeric value out of range.
"""
pass
class
OperationalError
(
DatabaseError
):
"""Exception raised for errors that are related to the database's operation and not necessarily under the control of the programmer
"""
...
...
@@ -41,17 +47,20 @@ class IntegrityError(DatabaseError):
"""
pass
class
InternalError
(
DatabaseError
):
"""Exception raised when the database encounters an internal error.
"""
pass
class
ProgrammingError
(
DatabaseError
):
"""Exception raised for programming errors.
"""
pass
class
NotSupportedError
(
DatabaseError
):
"""Exception raised in case a method or database API was used which is not supported by the database,.
"""
pass
\ No newline at end of file
pass
src/connector/python/linux/python2/taos/subscription.py
浏览文件 @
42efe016
from
.cinterface
import
CTaosInterface
from
.error
import
*
class
TDengineSubscription
(
object
):
"""TDengine subscription object
"""
def
__init__
(
self
,
sub
):
self
.
_sub
=
sub
def
consume
(
self
):
"""Consume rows of a subscription
"""
if
self
.
_sub
is
None
:
raise
OperationalError
(
"Invalid use of consume"
)
result
,
fields
=
CTaosInterface
.
consume
(
self
.
_sub
)
buffer
=
[[]
for
i
in
range
(
len
(
fields
))]
while
True
:
block
,
num_of_fields
=
CTaosInterface
.
fetchBlock
(
result
,
fields
)
if
num_of_fields
==
0
:
break
if
num_of_fields
==
0
:
break
for
i
in
range
(
len
(
fields
)):
buffer
[
i
].
extend
(
block
[
i
])
self
.
fields
=
fields
return
list
(
map
(
tuple
,
zip
(
*
buffer
)))
def
close
(
self
,
keepProgress
=
True
):
def
close
(
self
,
keepProgress
=
True
):
"""Close the Subscription.
"""
if
self
.
_sub
is
None
:
return
False
CTaosInterface
.
unsubscribe
(
self
.
_sub
,
keepProgress
)
return
True
if
__name__
==
'__main__'
:
from
.connection
import
TDengineConnection
conn
=
TDengineConnection
(
host
=
"127.0.0.1"
,
user
=
"root"
,
password
=
"taosdata"
,
database
=
"test"
)
conn
=
TDengineConnection
(
host
=
"127.0.0.1"
,
user
=
"root"
,
password
=
"taosdata"
,
database
=
"test"
)
# Generate a cursor object to run SQL commands
sub
=
conn
.
subscribe
(
True
,
"test"
,
"select * from meters;"
,
1000
)
for
i
in
range
(
0
,
10
):
for
i
in
range
(
0
,
10
):
data
=
sub
.
consume
()
for
d
in
data
:
print
(
d
)
sub
.
close
()
conn
.
close
()
\ No newline at end of file
conn
.
close
()
src/connector/python/linux/python3/taos/__init__.py
浏览文件 @
42efe016
...
...
@@ -8,6 +8,7 @@ paramstyle = 'pyformat'
__all__
=
[
'connection'
,
'cursor'
]
def
connect
(
*
args
,
**
kwargs
):
""" Function to return a TDengine connector object
...
...
src/connector/python/linux/python3/taos/cinterface.py
浏览文件 @
42efe016
此差异已折叠。
点击以展开。
src/connector/python/linux/python3/taos/connection.py
浏览文件 @
42efe016
...
...
@@ -2,9 +2,11 @@ from .cursor import TDengineCursor
from
.subscription
import
TDengineSubscription
from
.cinterface
import
CTaosInterface
class
TDengineConnection
(
object
):
""" TDengine connection object
"""
def
__init__
(
self
,
*
args
,
**
kwargs
):
self
.
_conn
=
None
self
.
_host
=
None
...
...
@@ -29,7 +31,7 @@ class TDengineConnection(object):
# password
if
'password'
in
kwargs
:
self
.
_password
=
kwargs
[
'password'
]
# database
if
'database'
in
kwargs
:
self
.
_database
=
kwargs
[
'database'
]
...
...
@@ -43,7 +45,12 @@ class TDengineConnection(object):
self
.
_config
=
kwargs
[
'config'
]
self
.
_chandle
=
CTaosInterface
(
self
.
_config
)
self
.
_conn
=
self
.
_chandle
.
connect
(
self
.
_host
,
self
.
_user
,
self
.
_password
,
self
.
_database
,
self
.
_port
)
self
.
_conn
=
self
.
_chandle
.
connect
(
self
.
_host
,
self
.
_user
,
self
.
_password
,
self
.
_database
,
self
.
_port
)
def
close
(
self
):
"""Close current connection.
...
...
@@ -55,7 +62,8 @@ class TDengineConnection(object):
"""
if
self
.
_conn
is
None
:
return
None
sub
=
CTaosInterface
.
subscribe
(
self
.
_conn
,
restart
,
topic
,
sql
,
interval
)
sub
=
CTaosInterface
.
subscribe
(
self
.
_conn
,
restart
,
topic
,
sql
,
interval
)
return
TDengineSubscription
(
sub
)
def
cursor
(
self
):
...
...
@@ -80,7 +88,8 @@ class TDengineConnection(object):
"""
pass
if
__name__
==
"__main__"
:
conn
=
TDengineConnection
(
host
=
'192.168.1.107'
)
conn
.
close
()
print
(
"Hello world"
)
\ No newline at end of file
print
(
"Hello world"
)
src/connector/python/linux/python3/taos/constants.py
浏览文件 @
42efe016
...
...
@@ -3,6 +3,7 @@
from
.dbapi
import
*
class
FieldType
(
object
):
"""TDengine Field Types
"""
...
...
src/connector/python/linux/python3/taos/cursor.py
浏览文件 @
42efe016
...
...
@@ -5,6 +5,7 @@ import threading
# querySeqNum = 0
class
TDengineCursor
(
object
):
"""Database cursor which is used to manage the context of a fetch operation.
...
...
@@ -107,8 +108,8 @@ class TDengineCursor(object):
# if threading.get_ident() != self._threadId:
# info ="Cursor execute:Thread ID not match,creater:"+str(self._threadId)+" caller:"+str(threading.get_ident())
# raise OperationalError(info)
# print(info)
# return None
# print(info)
# return None
if
not
operation
:
return
None
...
...
@@ -137,8 +138,8 @@ class TDengineCursor(object):
if
errno
==
0
:
if
CTaosInterface
.
fieldsCount
(
self
.
_result
)
==
0
:
self
.
_affected_rows
+=
CTaosInterface
.
affectedRows
(
self
.
_result
)
return
CTaosInterface
.
affectedRows
(
self
.
_result
)
self
.
_result
)
return
CTaosInterface
.
affectedRows
(
self
.
_result
)
else
:
self
.
_fields
=
CTaosInterface
.
useResult
(
self
.
_result
)
...
...
@@ -216,10 +217,13 @@ class TDengineCursor(object):
buffer
=
[[]
for
i
in
range
(
len
(
self
.
_fields
))]
self
.
_rowcount
=
0
while
True
:
block
,
num_of_fields
=
CTaosInterface
.
fetchRow
(
self
.
_result
,
self
.
_fields
)
block
,
num_of_fields
=
CTaosInterface
.
fetchRow
(
self
.
_result
,
self
.
_fields
)
errno
=
CTaosInterface
.
libtaos
.
taos_errno
(
self
.
_result
)
if
errno
!=
0
:
raise
ProgrammingError
(
CTaosInterface
.
errStr
(
self
.
_result
),
errno
)
raise
ProgrammingError
(
CTaosInterface
.
errStr
(
self
.
_result
),
errno
)
if
num_of_fields
==
0
:
break
self
.
_rowcount
+=
num_of_fields
...
...
@@ -234,15 +238,20 @@ class TDengineCursor(object):
buffer
=
[[]
for
i
in
range
(
len
(
self
.
_fields
))]
self
.
_rowcount
=
0
while
True
:
block
,
num_of_fields
=
CTaosInterface
.
fetchBlock
(
self
.
_result
,
self
.
_fields
)
block
,
num_of_fields
=
CTaosInterface
.
fetchBlock
(
self
.
_result
,
self
.
_fields
)
errno
=
CTaosInterface
.
libtaos
.
taos_errno
(
self
.
_result
)
if
errno
!=
0
:
raise
ProgrammingError
(
CTaosInterface
.
errStr
(
self
.
_result
),
errno
)
if
num_of_fields
==
0
:
break
raise
ProgrammingError
(
CTaosInterface
.
errStr
(
self
.
_result
),
errno
)
if
num_of_fields
==
0
:
break
self
.
_rowcount
+=
num_of_fields
for
i
in
range
(
len
(
self
.
_fields
)):
buffer
[
i
].
extend
(
block
[
i
])
return
list
(
map
(
tuple
,
zip
(
*
buffer
)))
def
nextset
(
self
):
"""
"""
...
...
@@ -274,8 +283,8 @@ class TDengineCursor(object):
# if threading.get_ident() != self._threadId:
# info = "Cursor handleresult:Thread ID not match,creater:"+str(self._threadId)+" caller:"+str(threading.get_ident())
# raise OperationalError(info)
# print(info)
# return None
# print(info)
# return None
self
.
_description
=
[]
for
ele
in
self
.
_fields
:
...
...
@@ -283,4 +292,3 @@ class TDengineCursor(object):
(
ele
[
'name'
],
ele
[
'type'
],
None
,
None
,
None
,
None
,
False
))
return
self
.
_result
src/connector/python/linux/python3/taos/dbapi.py
浏览文件 @
42efe016
...
...
@@ -4,6 +4,7 @@
import
time
import
datetime
class
DBAPITypeObject
(
object
):
def
__init__
(
self
,
*
values
):
self
.
values
=
values
...
...
@@ -16,23 +17,28 @@ class DBAPITypeObject(object):
else
:
return
-
1
Date
=
datetime
.
date
Time
=
datetime
.
time
Timestamp
=
datetime
.
datetime
def
DataFromTicks
(
ticks
):
return
Date
(
*
time
.
localtime
(
ticks
)[:
3
])
def
TimeFromTicks
(
ticks
):
return
Time
(
*
time
.
localtime
(
ticks
)[
3
:
6
])
def
TimestampFromTicks
(
ticks
):
return
Timestamp
(
*
time
.
localtime
(
ticks
)[:
6
])
Binary
=
bytes
# STRING = DBAPITypeObject(*constants.FieldType.get_string_types())
# BINARY = DBAPITypeObject(*constants.FieldType.get_binary_types())
# NUMBER = BAPITypeObject(*constants.FieldType.get_number_types())
# DATETIME = DBAPITypeObject(*constants.FieldType.get_timestamp_types())
# ROWID = DBAPITypeObject()
\ No newline at end of file
# ROWID = DBAPITypeObject()
src/connector/python/linux/python3/taos/error.py
浏览文件 @
42efe016
"""Python exceptions
"""
class
Error
(
Exception
):
def
__init__
(
self
,
msg
=
None
,
errno
=
None
):
self
.
msg
=
msg
self
.
_full_msg
=
self
.
msg
self
.
errno
=
errno
def
__str__
(
self
):
return
self
.
_full_msg
class
Warning
(
Exception
):
"""Exception raised for important warnings like data truncations while inserting.
"""
pass
class
InterfaceError
(
Error
):
"""Exception raised for errors that are related to the database interface rather than the database itself.
"""Exception raised for errors that are related to the database interface rather than the database itself.
"""
pass
class
DatabaseError
(
Error
):
"""Exception raised for errors that are related to the database.
"""Exception raised for errors that are related to the database.
"""
pass
class
DataError
(
DatabaseError
):
"""Exception raised for errors that are due to problems with the processed data like division by zero, numeric value out of range.
"""
pass
class
OperationalError
(
DatabaseError
):
"""Exception raised for errors that are related to the database's operation and not necessarily under the control of the programmer
"""
...
...
@@ -41,17 +47,20 @@ class IntegrityError(DatabaseError):
"""
pass
class
InternalError
(
DatabaseError
):
"""Exception raised when the database encounters an internal error.
"""
pass
class
ProgrammingError
(
DatabaseError
):
"""Exception raised for programming errors.
"""
pass
class
NotSupportedError
(
DatabaseError
):
"""Exception raised in case a method or database API was used which is not supported by the database,.
"""
pass
\ No newline at end of file
pass
src/connector/python/linux/python3/taos/subscription.py
浏览文件 @
42efe016
from
.cinterface
import
CTaosInterface
from
.error
import
*
class
TDengineSubscription
(
object
):
"""TDengine subscription object
"""
def
__init__
(
self
,
sub
):
self
.
_sub
=
sub
def
consume
(
self
):
"""Consume rows of a subscription
"""
if
self
.
_sub
is
None
:
raise
OperationalError
(
"Invalid use of consume"
)
result
,
fields
=
CTaosInterface
.
consume
(
self
.
_sub
)
buffer
=
[[]
for
i
in
range
(
len
(
fields
))]
while
True
:
block
,
num_of_fields
=
CTaosInterface
.
fetchBlock
(
result
,
fields
)
if
num_of_fields
==
0
:
break
if
num_of_fields
==
0
:
break
for
i
in
range
(
len
(
fields
)):
buffer
[
i
].
extend
(
block
[
i
])
self
.
fields
=
fields
return
list
(
map
(
tuple
,
zip
(
*
buffer
)))
def
close
(
self
,
keepProgress
=
True
):
def
close
(
self
,
keepProgress
=
True
):
"""Close the Subscription.
"""
if
self
.
_sub
is
None
:
...
...
@@ -38,15 +39,19 @@ class TDengineSubscription(object):
if
__name__
==
'__main__'
:
from
.connection
import
TDengineConnection
conn
=
TDengineConnection
(
host
=
"127.0.0.1"
,
user
=
"root"
,
password
=
"taosdata"
,
database
=
"test"
)
conn
=
TDengineConnection
(
host
=
"127.0.0.1"
,
user
=
"root"
,
password
=
"taosdata"
,
database
=
"test"
)
# Generate a cursor object to run SQL commands
sub
=
conn
.
subscribe
(
True
,
"test"
,
"select * from meters;"
,
1000
)
for
i
in
range
(
0
,
10
):
for
i
in
range
(
0
,
10
):
data
=
sub
.
consume
()
for
d
in
data
:
print
(
d
)
sub
.
close
()
conn
.
close
()
\ No newline at end of file
conn
.
close
()
src/connector/python/osx/python3/taos/__init__.py
浏览文件 @
42efe016
...
...
@@ -8,6 +8,7 @@ paramstyle = 'pyformat'
__all__
=
[
'connection'
,
'cursor'
]
def
connect
(
*
args
,
**
kwargs
):
""" Function to return a TDengine connector object
...
...
src/connector/python/osx/python3/taos/cinterface.py
浏览文件 @
42efe016
此差异已折叠。
点击以展开。
src/connector/python/osx/python3/taos/connection.py
浏览文件 @
42efe016
...
...
@@ -2,9 +2,11 @@ from .cursor import TDengineCursor
from
.subscription
import
TDengineSubscription
from
.cinterface
import
CTaosInterface
class
TDengineConnection
(
object
):
""" TDengine connection object
"""
def
__init__
(
self
,
*
args
,
**
kwargs
):
self
.
_conn
=
None
self
.
_host
=
None
...
...
@@ -29,7 +31,7 @@ class TDengineConnection(object):
# password
if
'password'
in
kwargs
:
self
.
_password
=
kwargs
[
'password'
]
# database
if
'database'
in
kwargs
:
self
.
_database
=
kwargs
[
'database'
]
...
...
@@ -43,7 +45,12 @@ class TDengineConnection(object):
self
.
_config
=
kwargs
[
'config'
]
self
.
_chandle
=
CTaosInterface
(
self
.
_config
)
self
.
_conn
=
self
.
_chandle
.
connect
(
self
.
_host
,
self
.
_user
,
self
.
_password
,
self
.
_database
,
self
.
_port
)
self
.
_conn
=
self
.
_chandle
.
connect
(
self
.
_host
,
self
.
_user
,
self
.
_password
,
self
.
_database
,
self
.
_port
)
def
close
(
self
):
"""Close current connection.
...
...
@@ -55,7 +62,8 @@ class TDengineConnection(object):
"""
if
self
.
_conn
is
None
:
return
None
sub
=
CTaosInterface
.
subscribe
(
self
.
_conn
,
restart
,
topic
,
sql
,
interval
)
sub
=
CTaosInterface
.
subscribe
(
self
.
_conn
,
restart
,
topic
,
sql
,
interval
)
return
TDengineSubscription
(
sub
)
def
cursor
(
self
):
...
...
@@ -80,7 +88,8 @@ class TDengineConnection(object):
"""
pass
if
__name__
==
"__main__"
:
conn
=
TDengineConnection
(
host
=
'192.168.1.107'
)
conn
.
close
()
print
(
"Hello world"
)
\ No newline at end of file
print
(
"Hello world"
)
src/connector/python/osx/python3/taos/constants.py
浏览文件 @
42efe016
...
...
@@ -3,6 +3,7 @@
from
.dbapi
import
*
class
FieldType
(
object
):
"""TDengine Field Types
"""
...
...
src/connector/python/osx/python3/taos/cursor.py
浏览文件 @
42efe016
...
...
@@ -5,6 +5,7 @@ import threading
# querySeqNum = 0
class
TDengineCursor
(
object
):
"""Database cursor which is used to manage the context of a fetch operation.
...
...
@@ -107,8 +108,8 @@ class TDengineCursor(object):
# if threading.get_ident() != self._threadId:
# info ="Cursor execute:Thread ID not match,creater:"+str(self._threadId)+" caller:"+str(threading.get_ident())
# raise OperationalError(info)
# print(info)
# return None
# print(info)
# return None
if
not
operation
:
return
None
...
...
@@ -137,8 +138,8 @@ class TDengineCursor(object):
if
errno
==
0
:
if
CTaosInterface
.
fieldsCount
(
self
.
_result
)
==
0
:
self
.
_affected_rows
+=
CTaosInterface
.
affectedRows
(
self
.
_result
)
return
CTaosInterface
.
affectedRows
(
self
.
_result
)
self
.
_result
)
return
CTaosInterface
.
affectedRows
(
self
.
_result
)
else
:
self
.
_fields
=
CTaosInterface
.
useResult
(
self
.
_result
)
...
...
@@ -216,10 +217,13 @@ class TDengineCursor(object):
buffer
=
[[]
for
i
in
range
(
len
(
self
.
_fields
))]
self
.
_rowcount
=
0
while
True
:
block
,
num_of_fields
=
CTaosInterface
.
fetchRow
(
self
.
_result
,
self
.
_fields
)
block
,
num_of_fields
=
CTaosInterface
.
fetchRow
(
self
.
_result
,
self
.
_fields
)
errno
=
CTaosInterface
.
libtaos
.
taos_errno
(
self
.
_result
)
if
errno
!=
0
:
raise
ProgrammingError
(
CTaosInterface
.
errStr
(
self
.
_result
),
errno
)
raise
ProgrammingError
(
CTaosInterface
.
errStr
(
self
.
_result
),
errno
)
if
num_of_fields
==
0
:
break
self
.
_rowcount
+=
num_of_fields
...
...
@@ -234,15 +238,20 @@ class TDengineCursor(object):
buffer
=
[[]
for
i
in
range
(
len
(
self
.
_fields
))]
self
.
_rowcount
=
0
while
True
:
block
,
num_of_fields
=
CTaosInterface
.
fetchBlock
(
self
.
_result
,
self
.
_fields
)
block
,
num_of_fields
=
CTaosInterface
.
fetchBlock
(
self
.
_result
,
self
.
_fields
)
errno
=
CTaosInterface
.
libtaos
.
taos_errno
(
self
.
_result
)
if
errno
!=
0
:
raise
ProgrammingError
(
CTaosInterface
.
errStr
(
self
.
_result
),
errno
)
if
num_of_fields
==
0
:
break
raise
ProgrammingError
(
CTaosInterface
.
errStr
(
self
.
_result
),
errno
)
if
num_of_fields
==
0
:
break
self
.
_rowcount
+=
num_of_fields
for
i
in
range
(
len
(
self
.
_fields
)):
buffer
[
i
].
extend
(
block
[
i
])
return
list
(
map
(
tuple
,
zip
(
*
buffer
)))
def
nextset
(
self
):
"""
"""
...
...
@@ -274,8 +283,8 @@ class TDengineCursor(object):
# if threading.get_ident() != self._threadId:
# info = "Cursor handleresult:Thread ID not match,creater:"+str(self._threadId)+" caller:"+str(threading.get_ident())
# raise OperationalError(info)
# print(info)
# return None
# print(info)
# return None
self
.
_description
=
[]
for
ele
in
self
.
_fields
:
...
...
@@ -283,4 +292,3 @@ class TDengineCursor(object):
(
ele
[
'name'
],
ele
[
'type'
],
None
,
None
,
None
,
None
,
False
))
return
self
.
_result
src/connector/python/osx/python3/taos/dbapi.py
浏览文件 @
42efe016
...
...
@@ -4,6 +4,7 @@
import
time
import
datetime
class
DBAPITypeObject
(
object
):
def
__init__
(
self
,
*
values
):
self
.
values
=
values
...
...
@@ -16,23 +17,28 @@ class DBAPITypeObject(object):
else
:
return
-
1
Date
=
datetime
.
date
Time
=
datetime
.
time
Timestamp
=
datetime
.
datetime
def
DataFromTicks
(
ticks
):
return
Date
(
*
time
.
localtime
(
ticks
)[:
3
])
def
TimeFromTicks
(
ticks
):
return
Time
(
*
time
.
localtime
(
ticks
)[
3
:
6
])
def
TimestampFromTicks
(
ticks
):
return
Timestamp
(
*
time
.
localtime
(
ticks
)[:
6
])
Binary
=
bytes
# STRING = DBAPITypeObject(*constants.FieldType.get_string_types())
# BINARY = DBAPITypeObject(*constants.FieldType.get_binary_types())
# NUMBER = BAPITypeObject(*constants.FieldType.get_number_types())
# DATETIME = DBAPITypeObject(*constants.FieldType.get_timestamp_types())
# ROWID = DBAPITypeObject()
\ No newline at end of file
# ROWID = DBAPITypeObject()
src/connector/python/osx/python3/taos/error.py
浏览文件 @
42efe016
"""Python exceptions
"""
class
Error
(
Exception
):
def
__init__
(
self
,
msg
=
None
,
errno
=
None
):
self
.
msg
=
msg
self
.
_full_msg
=
self
.
msg
self
.
errno
=
errno
def
__str__
(
self
):
return
self
.
_full_msg
class
Warning
(
Exception
):
"""Exception raised for important warnings like data truncations while inserting.
"""
pass
class
InterfaceError
(
Error
):
"""Exception raised for errors that are related to the database interface rather than the database itself.
"""Exception raised for errors that are related to the database interface rather than the database itself.
"""
pass
class
DatabaseError
(
Error
):
"""Exception raised for errors that are related to the database.
"""Exception raised for errors that are related to the database.
"""
pass
class
DataError
(
DatabaseError
):
"""Exception raised for errors that are due to problems with the processed data like division by zero, numeric value out of range.
"""
pass
class
OperationalError
(
DatabaseError
):
"""Exception raised for errors that are related to the database's operation and not necessarily under the control of the programmer
"""
...
...
@@ -41,17 +47,20 @@ class IntegrityError(DatabaseError):
"""
pass
class
InternalError
(
DatabaseError
):
"""Exception raised when the database encounters an internal error.
"""
pass
class
ProgrammingError
(
DatabaseError
):
"""Exception raised for programming errors.
"""
pass
class
NotSupportedError
(
DatabaseError
):
"""Exception raised in case a method or database API was used which is not supported by the database,.
"""
pass
\ No newline at end of file
pass
src/connector/python/osx/python3/taos/subscription.py
浏览文件 @
42efe016
from
.cinterface
import
CTaosInterface
from
.error
import
*
class
TDengineSubscription
(
object
):
"""TDengine subscription object
"""
def
__init__
(
self
,
sub
):
self
.
_sub
=
sub
def
consume
(
self
):
"""Consume rows of a subscription
"""
if
self
.
_sub
is
None
:
raise
OperationalError
(
"Invalid use of consume"
)
result
,
fields
=
CTaosInterface
.
consume
(
self
.
_sub
)
buffer
=
[[]
for
i
in
range
(
len
(
fields
))]
while
True
:
block
,
num_of_fields
=
CTaosInterface
.
fetchBlock
(
result
,
fields
)
if
num_of_fields
==
0
:
break
if
num_of_fields
==
0
:
break
for
i
in
range
(
len
(
fields
)):
buffer
[
i
].
extend
(
block
[
i
])
self
.
fields
=
fields
return
list
(
map
(
tuple
,
zip
(
*
buffer
)))
def
close
(
self
,
keepProgress
=
True
):
def
close
(
self
,
keepProgress
=
True
):
"""Close the Subscription.
"""
if
self
.
_sub
is
None
:
...
...
@@ -38,15 +39,19 @@ class TDengineSubscription(object):
if
__name__
==
'__main__'
:
from
.connection
import
TDengineConnection
conn
=
TDengineConnection
(
host
=
"127.0.0.1"
,
user
=
"root"
,
password
=
"taosdata"
,
database
=
"test"
)
conn
=
TDengineConnection
(
host
=
"127.0.0.1"
,
user
=
"root"
,
password
=
"taosdata"
,
database
=
"test"
)
# Generate a cursor object to run SQL commands
sub
=
conn
.
subscribe
(
True
,
"test"
,
"select * from meters;"
,
1000
)
for
i
in
range
(
0
,
10
):
for
i
in
range
(
0
,
10
):
data
=
sub
.
consume
()
for
d
in
data
:
print
(
d
)
sub
.
close
()
conn
.
close
()
\ No newline at end of file
conn
.
close
()
tests/pytest/insert/basic_unsigned.py
浏览文件 @
42efe016
...
...
@@ -25,7 +25,8 @@ class TDTestCase:
def
run
(
self
):
tdSql
.
prepare
()
ret
=
tdSql
.
execute
(
'create table tb (ts timestamp, speed int unsigned)'
)
ret
=
tdSql
.
execute
(
'create table tb (ts timestamp, speed int unsigned)'
)
insertRows
=
10
tdLog
.
info
(
"insert %d rows"
%
(
insertRows
))
...
...
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