Dinamically change locale and timezone

During DeviceBuilder initialization, retrieve locale from system using
python `locale` module, and set timezone to `Europe/Berlin`. Added some
helpers to get and set those values at runtime.

gpapi/config.py

@@ -1,27 +1,26 @@
 from . import googleplay_pb2
-import time
-import os
-import sys
+from time import time
+from os import path
+from sys import version_info
+from locale import getdefaultlocale
 
-VERSION = sys.version_info[0]
+VERSION = version_info[0]
 if VERSION == 2:
     import ConfigParser
 else:
     import configparser
 
 
 DFE_TARGETS = "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"
-LANG = "en_US"
-TIMEZONE = 'America/New_York'
 GOOGLE_PUBKEY = "AAAAgMom/1a/v0lblO2Ubrt60J2gcuXSljGFQXgcyZWveWLEwo6prwgi3iJIZdodyhKZQrNWp5nKJ3srRXcUW+F1BD3baEVGcmEgqaLZUNBjm057pKRI16kB0YppeGx5qIQ5QjKzsR8ETQbKLNWgRY0QRNVz34kMJR3P/LgHax/6rmf5AAAAAwEAAQ=="
 ACCOUNT = "HOSTED_OR_GOOGLE"
 
 # parse phone config from the file 'device.properties'.
 # if you want to add another phone, just create another section in
 # the file. Some configurations for common phones can be found here:
 # https://github.com/yeriomin/play-store-api/tree/master/src/main/resources
-filepath = os.path.join(os.path.dirname(os.path.realpath(__file__)),
-                        'device.properties')
+filepath = path.join(path.dirname(path.realpath(__file__)),
+                     'device.properties')
 
 if VERSION == 2:
     config = ConfigParser.ConfigParser()
@@ -49,6 +48,8 @@ class DeviceBuilder(object):
 
     def __init__(self, device):
         self.device = {}
+        self.locale = getdefaultlocale()[0]
+        self.timezone = "Europe/Berlin"
         for (key, value) in config.items(device):
             self.device[key] = value
 
@@ -72,10 +73,10 @@ def getAuthParams(self, email, passwd):
                 "accountType": ACCOUNT,
                 "has_permission": "1",
                 "source": "android",
-                "device_country": LANG[0:2],
+                "device_country": self.locale[0:2],
                 "service": "androidmarket",
                 "app": "com.android.vending",
-                "lang": LANG,
+                "lang": self.locale,
                 "sdk_version": self.device['build.version.sdk_int']}
 
     def getLoginParams(self, email, encryptedPass):
@@ -87,16 +88,16 @@ def getLoginParams(self, email, encryptedPass):
                 "has_permission": "1",
                 "app": "com.google.android.gsf",
                 "source": "android",
-                "device_country": LANG[0:2],
-                "lang": LANG,
+                "device_country": self.locale[0:2],
+                "lang": self.locale,
                 "sdk_version": self.device['build.version.sdk_int']}
 
     def getAndroidCheckinRequest(self):
         request = googleplay_pb2.AndroidCheckinRequest()
         request.id = 0
         request.checkin.CopyFrom(self.getAndroidCheckin())
-        request.locale = LANG
-        request.timeZone = TIMEZONE
+        request.locale = self.locale
+        request.timeZone = self.timezone
         request.version = 3
         request.deviceConfiguration.CopyFrom(self.getDeviceConfig())
         request.fragment = 0
@@ -148,7 +149,7 @@ def getAndroidBuild(self):
         androidBuild.buildProduct = self.device['build.product']
         androidBuild.client = self.device['client']
         androidBuild.otaInstalled = False
-        androidBuild.timestamp = int(time.time())
+        androidBuild.timestamp = int(time())
         androidBuild.googleServices = int(self.device['gsf.version'])
         return androidBuild
 

gpapi/googleplay.py

@@ -84,7 +84,7 @@ def getDefaultHeaders(self):
         can later be updated, based on the request type"""
 
         headers = {
-            "Accept-Language": config.LANG.replace('_', '-'),
+            "Accept-Language": self.deviceBuilder.locale.replace('_', '-'),
             "X-DFE-Encoded-Targets": config.DFE_TARGETS,
             "User-Agent": self.deviceBuilder.getUserAgent()
         }
@@ -261,7 +261,7 @@ def search(self, query, nb_result, offset=None):
                 # strange behaviour, probably due to
                 # expired token
                 raise LoginError('Unexpected behaviour, probably expired '
-                                   'token')
+                                 'token')
             cluster = response.payload.listResponse.cluster[0]
             if cluster.doc[0].containerMetadata.nextPageUrl != "":
                 nextPath = cluster.doc[0].containerMetadata.nextPageUrl
@@ -420,7 +420,7 @@ def _deliver_data(self, url, cookies, progress_bar):
                                 cookies=cookies, verify=ssl_verify,
                                 stream=True, timeout=60)
         total_length = int(response.headers.get('content-length'))
-        chunk_size = 32 * (1<<10)  # 32 KB
+        chunk_size = 32 * (1 << 10)  # 32 KB
         bar = progress.Bar(expected_size=(total_length >> 10))
         for index, chunk in enumerate(response.iter_content(chunk_size=chunk_size)):
             response_content += chunk
@@ -536,6 +536,20 @@ def download(self, packageName, versionCode, offerType=1,
     def changeDevice(self, device_codename):
         self.deviceBuilder = config.DeviceBuilder(device_codename)
 
+    # Helpers
+
+    def getLocale(self):
+        return self.deviceBuilder.locale
+
+    def setLocale(self, locale):
+        self.deviceBuilder.locale = locale
+
+    def getTimeZone(self):
+        return self.deviceBuilder.timezone
+
+    def setTimeZone(self, timezone):
+        self.deviceBuilder.timezone = timezone
+
     @staticmethod
     def getDevicesCodenames():
         return config.getDevicesCodenames()