Making requirements tighter for "stable" packages in 0.25.1 release.

[dhermes]

See #3579 for context.

[dhermes]

All relevant google-cloud-datastore "stable" releases:

$ git show datastore-1.0.0:datastore/setup.py | grep -A 4 'REQUIREMENTS = \['
REQUIREMENTS = [
    'google-cloud-core >= 0.24.0, < 0.25dev',
    'google-gax>=0.15.7, <0.16dev',
    'gapic-google-cloud-datastore-v1 >= 0.15.0, < 0.16dev',
]

All relevant google-cloud-logging "stable" releases:

$ git show logging-1.0.0:logging/setup.py | grep -A 4 'REQUIREMENTS = \['
REQUIREMENTS = [
    'google-cloud-core >= 0.24.0, < 0.25dev',
    'grpcio >= 1.2.0, < 2.0dev',
    'gapic-google-cloud-logging-v2 >= 0.91.0, < 0.92dev',
]

All relevant google-cloud-storage "stable" releases:

$ git show storage-1.1.0:storage/setup.py | grep -A 5 'REQUIREMENTS = \['
REQUIREMENTS = [
    'google-cloud-core >= 0.24.1, < 0.25dev',
    'google-auth >= 1.0.0',
    'google-resumable-media == 0.0.2',
    'requests >= 2.0.0',
]
$
$ git show storage-1.1.1:storage/setup.py | grep -A 5 'REQUIREMENTS = \['
REQUIREMENTS = [
    'google-cloud-core >= 0.24.1, < 0.25dev',
    'google-auth >= 1.0.0',
    'google-resumable-media == 0.0.2',
    'requests >= 2.0.0',
]

ISTM that google-cloud-storage==1.0.0 was never included in an umbrella release?

[dhermes]

Also a thorn in our sides, all relevant google-cloud-error-reporting "stable" releases:

$ git show error-reporting-0.24.2:error_reporting/setup.py | \
> grep -A 4 'REQUIREMENTS = \['
REQUIREMENTS = [
    'google-cloud-core >= 0.24.1, < 0.25dev',
    'google-cloud-logging >= 1.0.0, < 2.0dev',
    'gapic-google-cloud-error-reporting-v1beta1 >= 0.15.0, < 0.16dev'
]

and google-cloud-error-reporting is the only package that depends on another:

$ git grep "'google-cloud-" -- '*/setup.py' | \
> egrep -v google-cloud-core | \
> egrep -v "name="
error_reporting/setup.py:    'google-cloud-logging >= 1.0.0, < 2.0dev',

[dhermes]

Merging with permission of @lukesneeringer

[dhermes]

New release pushed:
https://github.com/GoogleCloudPlatform/google-cloud-python/releases/tag/0.25.1

Here is the CircleCI build that should push to PyPI:
https://circleci.com/gh/GoogleCloudPlatform/google-cloud-python/2327

However, I may end up having to do it by hand due to current build issues (which is "just fine").