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Code Editor : ec2instancespricing.py

#!/usr/bin/python
#
# Copyright (c) 2012 Eran Sandler (eran@sandler.co.il),  http://eran.sandler.co.il,  http://forecastcloudy.net
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
from __future__ import print_function
from future import standard_library
standard_library.install_aliases()
from builtins import object
import urllib.request, urllib.error, urllib.parse
import argparse
import datetime
try:
    import simplejson as json
except ImportError:
    import json

EC2_REGIONS = [
    "us-east-1",
    "us-west-1",
    "us-west-2",
    "eu-west-1",
    "ap-southeast-1",
    "ap-southeast-2",
    "ap-northeast-1",
    "sa-east-1"
]

EC2_INSTANCE_TYPES = [
    "t1.micro",
    "m1.small",
    "m1.medium",
    "m1.large",
    "m1.xlarge",
    "m2.xlarge",
    "m2.2xlarge",
    "m2.4xlarge",
    "c1.medium",
    "c1.xlarge",
    "cc1.4xlarge",
    "cc2.8xlarge",
    "cg1.4xlarge",
    "cr1.8xlarge",
    "m3.xlarge",
    "m3.2xlarge",
    "hi1.4xlarge",
    "hs1.8xlarge",
    "g2.2xlarge"
]

EC2_OS_TYPES = [
    "linux",       # api platform name = "linux"
    "mswin",       # api platform name = "windows"
    "rhel",        # api platform name = ""
    "sles",        # api platform name = ""
    "mswinSQL",    # api platform name = "windows"
    "mswinSQLWeb", # api platform name = "windows"
]

JSON_NAME_TO_EC2_REGIONS_API = {
    "us-east" : "us-east-1",
    "us-east-1" : "us-east-1",
    "us-west" : "us-west-1",
    "us-west-1" : "us-west-1",
    "us-west-2" : "us-west-2",
    "eu-ireland" : "eu-west-1",
    "eu-west-1" : "eu-west-1",
    "apac-sin" : "ap-southeast-1",
    "ap-southeast-1" : "ap-southeast-1",
    "ap-southeast-2" : "ap-southeast-2",
    "apac-syd" : "ap-southeast-2",
    "apac-tokyo" : "ap-northeast-1",
    "ap-northeast-1" : "ap-northeast-1",
    "sa-east-1" : "sa-east-1"
}

EC2_REGIONS_API_TO_JSON_NAME = {
    "us-east-1" : "us-east",
    "us-west-1" : "us-west",
    "us-west-2" : "us-west-2",
    "eu-west-1" : "eu-ireland",
    "ap-southeast-1" : "apac-sin",
    "ap-southeast-2" : "apac-syd",
    "ap-northeast-1" : "apac-tokyo",
    "sa-east-1" : "sa-east-1"
}

INSTANCES_ON_DEMAND_LINUX_URL = "http://aws.amazon.com/ec2/pricing/json/linux-od.json"
INSTANCES_ON_DEMAND_RHEL_URL = "http://aws.amazon.com/ec2/pricing/json/rhel-od.json"
INSTANCES_ON_DEMAND_SLES_URL = "http://aws.amazon.com/ec2/pricing/json/sles-od.json"
INSTANCES_ON_DEMAND_WINDOWS_URL = "http://aws.amazon.com/ec2/pricing/json/mswin-od.json"
INSTANCES_ON_DEMAND_WINSQL_URL = "http://aws.amazon.com/ec2/pricing/json/mswinSQL-od.json"
INSTANCES_ON_DEMAND_WINSQLWEB_URL = "http://aws.amazon.com/ec2/pricing/json/mswinSQLWeb-od.json"
INSTANCES_RESERVED_LIGHT_UTILIZATION_LINUX_URL = "http://aws.amazon.com/ec2/pricing/json/linux-ri-light.json"
INSTANCES_RESERVED_LIGHT_UTILIZATION_RHEL_URL = "http://aws.amazon.com/ec2/pricing/json/rhel-ri-light.json"
INSTANCES_RESERVED_LIGHT_UTILIZATION_SLES_URL = "http://aws.amazon.com/ec2/pricing/json/sles-ri-light.json"
INSTANCES_RESERVED_LIGHT_UTILIZATION_WINDOWS_URL = "http://aws.amazon.com/ec2/pricing/json/mswin-ri-light.json"
INSTANCES_RESERVED_LIGHT_UTILIZATION_WINSQL_URL = "http://aws.amazon.com/ec2/pricing/json/mswinSQL-ri-light.json"
INSTANCES_RESERVED_LIGHT_UTILIZATION_WINSQLWEB_URL = "http://aws.amazon.com/ec2/pricing/json/mswinSQLWeb-ri-light.json"
INSTANCES_RESERVED_MEDIUM_UTILIZATION_LINUX_URL = "http://aws.amazon.com/ec2/pricing/json/linux-ri-medium.json"
INSTANCES_RESERVED_MEDIUM_UTILIZATION_RHEL_URL = "http://aws.amazon.com/ec2/pricing/json/rhel-ri-medium.json"
INSTANCES_RESERVED_MEDIUM_UTILIZATION_SLES_URL = "http://aws.amazon.com/ec2/pricing/json/sles-ri-medium.json"
INSTANCES_RESERVED_MEDIUM_UTILIZATION_WINDOWS_URL = "http://aws.amazon.com/ec2/pricing/json/mswin-ri-medium.json"
INSTANCES_RESERVED_MEDIUM_UTILIZATION_WINSQL_URL = "http://aws.amazon.com/ec2/pricing/json/mswinSQL-ri-medium.json"
INSTANCES_RESERVED_MEDIUM_UTILIZATION_WINSQLWEB_URL = "http://aws.amazon.com/ec2/pricing/json/mswinSQLWeb-ri-medium.json"
INSTANCES_RESERVED_HEAVY_UTILIZATION_LINUX_URL = "http://aws.amazon.com/ec2/pricing/json/linux-ri-heavy.json"
INSTANCES_RESERVED_HEAVY_UTILIZATION_RHEL_URL = "http://aws.amazon.com/ec2/pricing/json/rhel-ri-heavy.json"
INSTANCES_RESERVED_HEAVY_UTILIZATION_SLES_URL = "http://aws.amazon.com/ec2/pricing/json/sles-ri-heavy.json"
INSTANCES_RESERVED_HEAVY_UTILIZATION_WINDOWS_URL = "http://aws.amazon.com/ec2/pricing/json/mswin-ri-heavy.json"
INSTANCES_RESERVED_HEAVY_UTILIZATION_WINSQL_URL = "http://aws.amazon.com/ec2/pricing/json/mswinSQL-ri-heavy.json"
INSTANCES_RESERVED_HEAVY_UTILIZATION_WINSQLWEB_URL = "http://aws.amazon.com/ec2/pricing/json/mswinSQLWeb-ri-heavy.json"

INSTANCES_ONDEMAND_OS_TYPE_BY_URL = {
    INSTANCES_ON_DEMAND_LINUX_URL : "linux",
    INSTANCES_ON_DEMAND_RHEL_URL : "rhel",
    INSTANCES_ON_DEMAND_SLES_URL : "sles",
    INSTANCES_ON_DEMAND_WINDOWS_URL : "mswin",
    INSTANCES_ON_DEMAND_WINSQL_URL : "mswinSQL",
    INSTANCES_ON_DEMAND_WINSQLWEB_URL : "mswinSQLWeb",
}

INSTANCES_RESERVED_OS_TYPE_BY_URL = {
    INSTANCES_RESERVED_LIGHT_UTILIZATION_LINUX_URL : "linux",
    INSTANCES_RESERVED_LIGHT_UTILIZATION_RHEL_URL : "rhel",
    INSTANCES_RESERVED_LIGHT_UTILIZATION_SLES_URL : "sles",
    INSTANCES_RESERVED_LIGHT_UTILIZATION_WINDOWS_URL :  "mswin",
    INSTANCES_RESERVED_LIGHT_UTILIZATION_WINSQL_URL : "mswinSQL",
    INSTANCES_RESERVED_LIGHT_UTILIZATION_WINSQLWEB_URL : "mswinSQLWeb",
    INSTANCES_RESERVED_MEDIUM_UTILIZATION_LINUX_URL : "linux",
    INSTANCES_RESERVED_MEDIUM_UTILIZATION_RHEL_URL : "rhel",
    INSTANCES_RESERVED_MEDIUM_UTILIZATION_SLES_URL : "sles",
    INSTANCES_RESERVED_MEDIUM_UTILIZATION_WINDOWS_URL :  "mswin",
    INSTANCES_RESERVED_MEDIUM_UTILIZATION_WINSQL_URL : "mswinSQL",
    INSTANCES_RESERVED_MEDIUM_UTILIZATION_WINSQLWEB_URL : "mswinSQLWeb",
    INSTANCES_RESERVED_HEAVY_UTILIZATION_LINUX_URL : "linux",
    INSTANCES_RESERVED_HEAVY_UTILIZATION_RHEL_URL : "rhel",
    INSTANCES_RESERVED_HEAVY_UTILIZATION_SLES_URL : "sles",
    INSTANCES_RESERVED_HEAVY_UTILIZATION_WINDOWS_URL :  "mswin",
    INSTANCES_RESERVED_HEAVY_UTILIZATION_WINSQL_URL : "mswinSQL",
    INSTANCES_RESERVED_HEAVY_UTILIZATION_WINSQLWEB_URL : "mswinSQLWeb",
}

INSTANCES_RESERVED_UTILIZATION_TYPE_BY_URL = {
    INSTANCES_RESERVED_LIGHT_UTILIZATION_LINUX_URL : "light",
    INSTANCES_RESERVED_LIGHT_UTILIZATION_RHEL_URL : "light",
    INSTANCES_RESERVED_LIGHT_UTILIZATION_SLES_URL : "light",
    INSTANCES_RESERVED_LIGHT_UTILIZATION_WINDOWS_URL : "light",
    INSTANCES_RESERVED_LIGHT_UTILIZATION_WINSQL_URL : "light",
    INSTANCES_RESERVED_LIGHT_UTILIZATION_WINSQLWEB_URL : "light",
    INSTANCES_RESERVED_MEDIUM_UTILIZATION_LINUX_URL : "medium",
    INSTANCES_RESERVED_MEDIUM_UTILIZATION_RHEL_URL : "medium",
    INSTANCES_RESERVED_MEDIUM_UTILIZATION_SLES_URL : "medium",
    INSTANCES_RESERVED_MEDIUM_UTILIZATION_WINDOWS_URL : "medium",
    INSTANCES_RESERVED_MEDIUM_UTILIZATION_WINSQL_URL : "medium",
    INSTANCES_RESERVED_MEDIUM_UTILIZATION_WINSQLWEB_URL : "medium",
    INSTANCES_RESERVED_HEAVY_UTILIZATION_LINUX_URL : "heavy",
    INSTANCES_RESERVED_HEAVY_UTILIZATION_RHEL_URL : "heavy",
    INSTANCES_RESERVED_HEAVY_UTILIZATION_SLES_URL : "heavy",
    INSTANCES_RESERVED_HEAVY_UTILIZATION_WINDOWS_URL : "heavy",
    INSTANCES_RESERVED_HEAVY_UTILIZATION_WINSQL_URL : "heavy",
    INSTANCES_RESERVED_HEAVY_UTILIZATION_WINSQLWEB_URL : "heavy",
}

DEFAULT_CURRENCY = "USD"

INSTANCE_TYPE_MAPPING = {
    "stdODI" : "m1",
    "uODI" : "t1",
    "hiMemODI" : "m2",
    "hiCPUODI" : "c1",
    "clusterComputeI" : "cc1",
    "clusterGPUI" : "cg1",
    "hiIoODI" : "hi1",
    "secgenstdODI" : "m3",
    "hiStoreODI": "hs1",
    "clusterHiMemODI": "cr1",

# Reserved Instance Types
    "stdResI" : "m1",
    "uResI" : "t1",
    "hiMemResI" : "m2",
    "hiCPUResI" : "c1",
    "clusterCompResI" : "cc1",
    "clusterGPUResI" : "cg1",
    "hiIoResI" : "hi1",
    "secgenstdResI" : "m3",
    "hiStoreResI": "hs1",
    "clusterHiMemResI": "cr1"
}

INSTANCE_SIZE_MAPPING = {
    "u" : "micro",
    "sm" : "small",
    "med" : "medium",
    "lg" : "large",
    "xl" : "xlarge",
    "xxl" : "2xlarge",
    "xxxxl" : "4xlarge",
    "xxxxxxxxl" : "8xlarge"
}

class ResultsCacheBase(object):
    _instance = None

def __new__(cls, *args, **kwargs):
        if not cls._instance:
            cls._instance = super(ResultsCacheBase, cls).__new__(cls, *args, **kwargs)

return cls._instance

def get(self, key):
        pass

def set(self, key, value):
        pass

class SimpleResultsCache(ResultsCacheBase):
    _cache = {}

def get(self, key):
        if key in self._cache:
            return self._cache[key]

return None

def set(self, key, value):
        self._cache[key] = value

class TimeBasedResultsCache(ResultsCacheBase):
    _cache = {}
    _cache_expiration = {}

# If you wish to chance this expiration use the following (a bit ugly) code:
    #
    # TimeBasedResultsCache()._default_expiration_in_seconds = 86400 # 1 day
    #
    # Since all cache classes inherit from ResultsCacheBase and are singletons that should set it correctly.
    #
    _default_expiration_in_seconds = 3600 # 1 hour

def get(self, key):
        if key not in self._cache or key not in self._cache_expiration:
            return None

# If key has expired return None
        if self._cache_expiration[key] < datetime.datetime.utcnow():
            if key in self._cache: del self._cache[key]
            if key in self._cache_expiration: del self._cache_expiration[key]

return None

return self._cache[key]

def set(self, key, value):
        self._cache[key] = value
        self._cache_expiration[key] = datetime.datetime.utcnow() + datetime.timedelta(seconds=self._default_expiration_in_seconds)

def _load_data(url, use_cache=False, cache_class=SimpleResultsCache):
    cache_object = None
    if use_cache:
        cache_object = cache_class()
        result = cache_object.get(url)
        if result is not None:
            return result

f = urllib.request.urlopen(url)
    result = json.loads(f.read())

if use_cache:
        cache_object.set(url, result)

return result

def get_ec2_reserved_instances_prices(filter_region=None, filter_instance_type=None, filter_os_type=None, use_cache=False, cache_class=SimpleResultsCache):
    """ Get EC2 reserved instances prices. Results can be filtered by region """

get_specific_region = (filter_region is not None)
    if get_specific_region:
        filter_region = EC2_REGIONS_API_TO_JSON_NAME[filter_region]
    get_specific_instance_type = (filter_instance_type is not None)
    get_specific_os_type = (filter_os_type is not None)

currency = DEFAULT_CURRENCY

urls = [
        INSTANCES_RESERVED_LIGHT_UTILIZATION_LINUX_URL,
        INSTANCES_RESERVED_LIGHT_UTILIZATION_RHEL_URL,
        INSTANCES_RESERVED_LIGHT_UTILIZATION_SLES_URL,
        INSTANCES_RESERVED_LIGHT_UTILIZATION_WINDOWS_URL,
        INSTANCES_RESERVED_LIGHT_UTILIZATION_WINSQL_URL,
        INSTANCES_RESERVED_LIGHT_UTILIZATION_WINSQLWEB_URL,
        INSTANCES_RESERVED_MEDIUM_UTILIZATION_LINUX_URL,
        INSTANCES_RESERVED_MEDIUM_UTILIZATION_RHEL_URL,
        INSTANCES_RESERVED_MEDIUM_UTILIZATION_SLES_URL,
        INSTANCES_RESERVED_MEDIUM_UTILIZATION_WINDOWS_URL,
        INSTANCES_RESERVED_MEDIUM_UTILIZATION_WINSQL_URL,
        INSTANCES_RESERVED_MEDIUM_UTILIZATION_WINSQLWEB_URL,
        INSTANCES_RESERVED_HEAVY_UTILIZATION_LINUX_URL,
        INSTANCES_RESERVED_HEAVY_UTILIZATION_RHEL_URL,
        INSTANCES_RESERVED_HEAVY_UTILIZATION_SLES_URL,
        INSTANCES_RESERVED_HEAVY_UTILIZATION_WINDOWS_URL,
        INSTANCES_RESERVED_HEAVY_UTILIZATION_WINSQL_URL,
        INSTANCES_RESERVED_HEAVY_UTILIZATION_WINSQLWEB_URL,
    ]

result_regions = []
    result_regions_index = {}
    result = {
        "config" : {
            "currency" : currency,
        },
        "regions" : result_regions
    }

for u in urls:
        os_type = INSTANCES_RESERVED_OS_TYPE_BY_URL[u]
        if get_specific_os_type and os_type != filter_os_type:
            continue
        utilization_type = INSTANCES_RESERVED_UTILIZATION_TYPE_BY_URL[u]
        data = _load_data(u, use_cache=use_cache, cache_class=cache_class)
        if "config" in data and data["config"] and "regions" in data["config"] and data["config"]["regions"]:
            for r in data["config"]["regions"]:
                if "region" in r and r["region"]:
                    if get_specific_region and filter_region != r["region"]:
                        continue

region_name = JSON_NAME_TO_EC2_REGIONS_API[r["region"]]
                    if region_name in result_regions_index:
                        instance_types = result_regions_index[region_name]["instanceTypes"]
                    else:
                        instance_types = []
                        result_regions.append({
                            "region" : region_name,
                            "instanceTypes" : instance_types
                        })
                        result_regions_index[region_name] = result_regions[-1]

if "instanceTypes" in r:
                        for it in r["instanceTypes"]:
                            instance_type = it["type"]
                            if "sizes" in it:
                                for s in it["sizes"]:
                                    instance_size = s["size"]

prices = {
                                        "1year" : {
                                            "hourly" : None,
                                            "upfront" : None
                                        },
                                        "3year" : {
                                            "hourly" : None,
                                            "upfront" : None
                                        }
                                    }

_type = instance_size
                                    if _type == "cc1.8xlarge":
                                        # Fix conflict where cc1 and cc2 share the same type
                                        _type = "cc2.8xlarge"

if get_specific_instance_type and _type != filter_instance_type:
                                        continue

if get_specific_os_type and os_type != filter_os_type:
                                        continue

instance_types.append({
                                        "type" : _type,
                                        "os" : os_type,
                                        "utilization" : utilization_type,
                                        "prices" : prices
                                    })

for price_data in s["valueColumns"]:
                                        price = None
                                        try:
                                            price = float(price_data["prices"][currency])
                                        except ValueError:
                                            price = None

if price_data["name"] == "yrTerm1":
                                            prices["1year"]["upfront"] = price
                                        elif price_data["name"] == "yrTerm1Hourly":
                                            prices["1year"]["hourly"] = price
                                        elif price_data["name"] == "yrTerm3":
                                            prices["3year"]["upfront"] = price
                                        elif price_data["name"] == "yrTerm3Hourly":
                                            prices["3year"]["hourly"] = price

return result

def get_ec2_ondemand_instances_prices(filter_region=None, filter_instance_type=None, filter_os_type=None, use_cache=False, cache_class=SimpleResultsCache):
    """ Get EC2 on-demand instances prices. Results can be filtered by region """

get_specific_region = (filter_region is not None)
    if get_specific_region:
        filter_region = EC2_REGIONS_API_TO_JSON_NAME[filter_region]

get_specific_instance_type = (filter_instance_type is not None)
    get_specific_os_type = (filter_os_type is not None)

currency = DEFAULT_CURRENCY

urls = [
        INSTANCES_ON_DEMAND_LINUX_URL,
        INSTANCES_ON_DEMAND_RHEL_URL,
        INSTANCES_ON_DEMAND_SLES_URL,
        INSTANCES_ON_DEMAND_WINDOWS_URL,
        INSTANCES_ON_DEMAND_WINSQL_URL,
        INSTANCES_ON_DEMAND_WINSQLWEB_URL
    ]

result_regions = []
    result = {
        "config" : {
            "currency" : currency,
            "unit" : "perhr"
        },
        "regions" : result_regions
    }

for u in urls:
        if get_specific_os_type and INSTANCES_ONDEMAND_OS_TYPE_BY_URL[u] != filter_os_type:
            continue

data = _load_data(u, use_cache=use_cache, cache_class=cache_class)
        if "config" in data and data["config"] and "regions" in data["config"] and data["config"]["regions"]:
            for r in data["config"]["regions"]:
                if "region" in r and r["region"]:
                    if get_specific_region and filter_region != r["region"]:
                        continue

region_name = JSON_NAME_TO_EC2_REGIONS_API[r["region"]]
                    instance_types = []
                    if "instanceTypes" in r:
                        for it in r["instanceTypes"]:
                            instance_type = it["type"]
                            if "sizes" in it:
                                for s in it["sizes"]:
                                    instance_size = s["size"]

_type = instance_size
                                        if _type == "cc1.8xlarge":
                                            # Fix conflict where cc1 and cc2 share the same type
                                            _type = "cc2.8xlarge"

if get_specific_instance_type and _type != filter_instance_type:
                                            continue

if get_specific_os_type and price_data["name"] != filter_os_type:
                                            continue

instance_types.append({
                                            "type" : _type,
                                            "os" : price_data["name"],
                                            "price" : price
                                        })

result_regions.append({
                            "region" : region_name,
                            "instanceTypes" : instance_types
                        })

return result

if __name__ == "__main__":
    def none_as_string(v):
        if not v:
            return ""
        else:
            return v

try:
        import argparse
    except ImportError:
        print("ERROR: You are running Python < 2.7. Please use pip to install argparse:   pip install argparse")

parser = argparse.ArgumentParser(add_help=True, description="Print out the current prices of EC2 instances")
    parser.add_argument("--type", "-t", help="Show ondemand or reserved instances", choices=["ondemand", "reserved"], required=True)
    parser.add_argument("--filter-region", "-fr", help="Filter results to a specific region", choices=EC2_REGIONS, default=None)
    parser.add_argument("--filter-type", "-ft", help="Filter results to a specific instance type", choices=EC2_INSTANCE_TYPES, default=None)
    parser.add_argument("--filter-os-type", "-fo", help="Filter results to a specific os type", choices=EC2_OS_TYPES, default=None)
    parser.add_argument("--format", "-f", choices=["json", "table", "csv"], help="Output format", default="table")

args = parser.parse_args()

if args.format == "table":
        try:
            from prettytable import PrettyTable
        except ImportError:
            print("ERROR: Please install 'prettytable' using pip:    pip install prettytable")

data = None
    if args.type == "ondemand":
        data = get_ec2_ondemand_instances_prices(args.filter_region, args.filter_type, args.filter_os_type)
    elif args.type == "reserved":
        data = get_ec2_reserved_instances_prices(args.filter_region, args.filter_type, args.filter_os_type)

if args.format == "json":
        print(json.dumps(data))
    elif args.format == "table":
        x = PrettyTable()

if args.type == "ondemand":
            try:
                x.set_field_names(["region", "type", "os", "price"])
            except AttributeError:
                x.field_names = ["region", "type", "os", "price"]

try:
                x.aligns[-1] = "l"
            except AttributeError:
                x.align["price"] = "l"

for r in data["regions"]:
                region_name = r["region"]
                for it in r["instanceTypes"]:
                    x.add_row([region_name, it["type"], it["os"], none_as_string(it["price"])])
        elif args.type == "reserved":
            try:
                x.set_field_names(["region", "type", "os", "utilization", "term", "price", "upfront"])
            except AttributeError:
                x.field_names = ["region", "type", "os", "utilization", "term", "price", "upfront"]

try:
                x.aligns[-1] = "l"
                x.aligns[-2] = "l"
            except AttributeError:
                x.align["price"] = "l"
                x.align["upfront"] = "l"

for r in data["regions"]:
                region_name = r["region"]
                for it in r["instanceTypes"]:
                    for term in it["prices"]:
                        x.add_row([region_name, it["type"], it["os"], it["utilization"], term, none_as_string(it["prices"][term]["hourly"]), none_as_string(it["prices"][term]["upfront"])])

print(x)
    elif args.format == "csv":
        if args.type == "ondemand":
            print("region,type,os,price")
            for r in data["regions"]:
                region_name = r["region"]
                for it in r["instanceTypes"]:
                    print("%s,%s,%s,%s" % (region_name, it["type"], it["os"], none_as_string(it["price"])))
        elif args.type == "reserved":
            print("region,type,os,utilization,term,price,upfront")
            for r in data["regions"]:
                region_name = r["region"]
                for it in r["instanceTypes"]:
                    for term in it["prices"]:
                        print("%s,%s,%s,%s,%s,%s,%s" % (region_name, it["type"], it["os"], it["utilization"], term, none_as_string(it["prices"][term]["hourly"]), none_as_string(it["prices"][term]["upfront"])))

${this.title}

Code Editor : ec2instancespricing.py