def test_knownledge_base():
"""Test loading a e3.platform_db extension."""
# Create a new entry point referencing AmberCPUSupport and load it.
mydb_ep = pkg_resources.EntryPoint.parse_group(
"e3.platform_db",
["mydb = e3.platform_db:AmberCPUSupport"],
dist=pkg_resources.get_distribution("e3-core"),
)["mydb"]
mydb_ep.load()
# Inject it in the ExtensionManager entry point cache
old_cache = stevedore.ExtensionManager.ENTRY_POINT_CACHE
try:
stevedore.ExtensionManager.ENTRY_POINT_CACHE["e3.platform_db"].append(mydb_ep)
db = get_knowledge_base()
# Check that the new amber CPU has been inserted
for cpu_name in ("amber23", "amber25"):
assert cpu_name not in db.cpu_info
# Force a reload of the platform_db knowledge base
get_knowledge_base.cache_clear()
db = get_knowledge_base()
# Check that the new amber CPU has been inserted
for cpu_name in ("amber23", "amber25"):
assert db.cpu_info[cpu_name] == {"endian": "little", "bits": 32}
finally:
# restore entry point cache
stevedore.ExtensionManager.ENTRY_POINT_CACHE = old_cache
def test_knownledge_base():
"""Test loading a e3.platform_db extension."""
# Create a new entry point referencing AmberCPUSupport and load it.
mydb_ep = pkg_resources.EntryPoint.parse_group(
'e3.platform_db', ['mydb = e3.platform_db:AmberCPUSupport'],
dist=pkg_resources.get_distribution('e3-core'))['mydb']
mydb_ep.load()
# Inject it in the ExtensionManager entry point cache
old_cache = stevedore.ExtensionManager.ENTRY_POINT_CACHE
try:
stevedore.ExtensionManager.ENTRY_POINT_CACHE['e3.platform_db'].append(
mydb_ep)
# Force a reload of the platform_db knowledge base
db = get_knowledge_base(reset_cache=True)
# Check that the new amber CPU has been inserted
for cpu_name in ('amber23', 'amber25'):
assert db.cpu_info[cpu_name] == {'endian': 'little', 'bits': 32}
finally:
# restore entry point cache
stevedore.ExtensionManager.ENTRY_POINT_CACHE = old_cache
"""Provides function to detect platform specific information."""
from __future__ import absolute_import, division, print_function
import os
import re
import sys
from collections import namedtuple
from platform import uname as platform_uname
import e3.log
from e3.platform_db import get_knowledge_base
KNOWLEDGE_BASE = get_knowledge_base()
UNKNOWN = 'unknown'
Uname = namedtuple(
"Uname", ["system", "node", "release", "version", "machine", "processor"])
class SystemInfo(object):
"""Gather info about the system.
:cvar network_ifs: dictionary addressed by network interface name for which
each value is the result of netifaces.ifaddresses function on the given
interface
:cvar uname: instance of Uname namedtuple containing the result of
``uname`` system call.
:cvar core_number: integer containing the number of processor cores on the
machine
:cvar nis_domain: host nis domain
from __future__ import absolute_import
from __future__ import print_function
import collections
import e3.os
import e3.os.platform
from e3.platform_db import get_knowledge_base
KNOWLEDGE_BASE = get_knowledge_base()
# noinspection PyUnresolvedReferences
class Platform(
collections.namedtuple(
'Platform',
['cpu', 'os', 'is_hie', 'platform', 'triplet',
'machine', 'domain', 'is_host', 'is_default'])):
"""Class that allow user to retrieve os/cpu specific information.
Attributes are:
- cpu: CPU information
- os: Operating System information
- is_hie: whether the system is a high integrity system
- platform: the platform name, e.g. arm-elf-linux
- triplet: the GCC target
- machine: machine name
- domain: domain name
- is_host: True if the instance represent information for the current