创建一个Python文件,例如test.py,并在文件中添加以下代码: importpsycopg2print("psycopg2-binary库安装成功!") 1. 2. 3. 保存并退出文件。然后在终端中执行以下命令: python3 test.py 1. 如果终端输出了"psycopg2-binary库安装成功!"的消息,那么说明安装成功。 4. 类图 下面是psycopg2-binary库的类图示例,使用...
No, I mean, if I install only psycopg2-binary (without install psycopg2), I can perfectly import psycopg2 only while developing the package. But when I poetry add --path to another project, I need psycopg2 (and I probably don't need psycopg2-binary). I can install psycopg2-binary, but ...
import slackbot_settings as conf @@ -12,8 +12,8 @@ class Database: def __init__(self): try: self.conn = psycopg2.connect(conf.DB_URL) except psycopg2.Error as _e: self.conn = psycopg.connect(conf.DB_URL) except psycopg.Error as _e: print("Can not connect to database.") ra...
_json import ( # noqa json, Json, register_json, register_default_json, register_default_jsonb) # Expose range-related objects from psycopg2._range import ( # noqa Range, NumericRange, DateRange, DateTimeRange, DateTimeTZRange, register_range, RangeAdapter, RangeCaster) # Expose ipaddress-...
# Make sure you have a version that understand wheels pip install -U pip # Install from testpypi pip install -i https://testpypi.python.org/pypi --no-cache-dir psycopg2==2.7b1 # Check the version installed is the correct one and test if it works ok. python -c "import psycopg2; pri...
command: /work/wks_open/flask-restplus-boilerplate/venv/bin/python -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-5sehxl8d/psycopg2-binary_279745a696d647eca48e99bcd851539b/setup.py'"'"'; __file__='"'"'/tmp/pip-install-5sehxl8d/psycopg2-bin...
(380 kB) |████████████████████████████████| 380 kB 4.4 MB/s ERROR: Command errored out with exit status 1: command: /usr/local/bin/python -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-1wsqtpjk/...
# 需要导入模块: import psycopg2 [as 别名]# 或者: from psycopg2 importBinary[as 别名]deftestBinary(self):ifsys.version_info[0] <3: s =''.join([chr(x)forxinrange(256)]) b = psycopg2.Binary(s) buf = self.execute("SELECT %s::bytea AS foo", (b,)) ...
import psycopg2 使用 安装好psycopg2-binary后,你可以用以下代码创建到PostgreSQL数据库的连接: conn = psycopg2.connect( host="localhost", database="mydatabase", user="myusername", password="mypassword" ) 在连接成功后,你可以执行SQL语句来操作数据库。例如,以下代码创建一个新的表: ...
So these days, there's literally no problem at all with the psycopg2-binary wheels, except that the psycopg2 maintainers insist on giving them a different name from the main release, which creates this situation where projects like aiopg are trapped between two bad options – if aiopg depends...