Python 2.7 使用google.cloud导入bigquery时没有名为cloud的模块
我已经使用google app engine launcher构建了一个app engine应用程序来将数据加载到bigquery表中,但是当我在本地主机或云上运行它时,在日志文件中使用google.cloud导入bigquery错误消息时,我会得到一个名为cloud的无模块。我已经安装了谷歌云客户端库,但它仍然给我同样的错误。请看下面我使用的代码 ---main.py文件包含Python 2.7 使用google.cloud导入bigquery时没有名为cloud的模块,python-2.7,google-app-engine,google-bigquery,Python 2.7,Google App Engine,Google Bigquery,我已经使用google app engine launcher构建了一个app engine应用程序来将数据加载到bigquery表中,但是当我在本地主机或云上运行它时,在日志文件中使用google.cloud导入bigquery错误消息时,我会得到一个名为cloud的无模块。我已经安装了谷歌云客户端库,但它仍然给我同样的错误。请看下面我使用的代码 ---main.py文件包含 import argparse import time import uuid from google.cloud
import argparse
import time
import uuid
from google.cloud import bigquery
def load_data_from_gcs(dataset_name, table_name, source):
bigquery_client = bigquery.Client()
dataset = bigquery_client.dataset(dataset_name)
table = dataset.table(table_name)
job_name = str(uuid.uuid4())
job = bigquery_client.load_table_from_storage(
job_name, table, source)
job.begin()
wait_for_job(job)
print('Loaded {} rows into {}:{}.'.format(
job.output_rows, dataset_name, table_name))
def wait_for_job(job):
while True:
job.reload()
if job.state == 'DONE':
if job.error_result:
raise RuntimeError(job.error_result)
return
time.sleep(1)
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument('Test')
parser.add_argument('mytable')
parser.add_argument('gs://week/geninfo.csv')
args = parser.parse_args()
load_data_from_gcs(
args.dataset_name,
args.table_name,
args.source)
--app.yaml文件包含以下代码
application: mycloudproject
version: 1
runtime: python27
api_version: 1
threadsafe: yes
handlers:
- url: /favicon\.ico
static_files: favicon.ico
upload: favicon\.ico
- url: .*
script: main.app
请告诉我这里缺少什么或我是否做错了什么?您确定已更新到库的最新版本吗?pip安装的版本可能已过期。以前,模块导入为:
from gcloud import bigquery
如果这样做有效,那么您运行的是旧版本。要安装最新版本,我建议从中的主控面板中拉出。这可能有点棘手。GoogleCloud使用了新的Python名称空间格式(如果您查看源代码,您会注意到目录结构中没有
\uuu init\uuu.py
)
这在Python3.3中用
幸运的是,在Python2.7中,您可以通过避免隐式导入轻松地解决这个问题。只需将其添加到文件的顶部:
从未来导入绝对导入
希望有帮助。找到包含
google/cloud/…
的目录,并将该目录添加到PYTHONPATH中,以便python能够找到它。有关如何添加到PYTHONPATH的详细信息,请参阅。它概述了两种常见的方法:
下面介绍如何使用bash命令执行此操作:
export PYTHONPATH=$PYTHONPATH:/<path_to_modules>
如果这不起作用,下面是我在导入Google Appengine模块的一个项目中找到的一些代码:
def fixup_paths(path):
"""Adds GAE SDK path to system path and appends it to the google path
if that already exists."""
# Not all Google packages are inside namespace packages, which means
# there might be another non-namespace package named `google` already on
# the path and simply appending the App Engine SDK to the path will not
# work since the other package will get discovered and used first.
# This emulates namespace packages by first searching if a `google` package
# exists by importing it, and if so appending to its module search path.
try:
import google
google.__path__.append("{0}/google".format(path))
except ImportError:
pass
sys.path.insert(0, path)
# and then call later in your code:
fixup_paths(path_to_google_sdk)
from google.cloud import bigquery
看起来您正在尝试在中使用。如文件所述,您不应该这样做。相反,请使用或不使用标准环境 是的,我昨天安装了这个库,但仍然不起作用。我还将import语句更改为您从gcloud import bigquery中建议的语句,但该语句仍然不起作用,并向我发送了一条错误消息ImportError:没有名为gcloud的模块可能重复的,您可以共享
python-v
的输出吗?这可能有助于您查看加载的模块以及从何处加载的模块。输出上的字符太多,不允许我在此处发布。有没有其他方法来共享我的文件?嗨,我已经设法使用pastebin保存了输出,可以通过此链接访问
def fixup_paths(path):
"""Adds GAE SDK path to system path and appends it to the google path
if that already exists."""
# Not all Google packages are inside namespace packages, which means
# there might be another non-namespace package named `google` already on
# the path and simply appending the App Engine SDK to the path will not
# work since the other package will get discovered and used first.
# This emulates namespace packages by first searching if a `google` package
# exists by importing it, and if so appending to its module search path.
try:
import google
google.__path__.append("{0}/google".format(path))
except ImportError:
pass
sys.path.insert(0, path)
# and then call later in your code:
fixup_paths(path_to_google_sdk)
from google.cloud import bigquery