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import os
import re
import sys
import requests
from configparser import ConfigParser
from pandora.client import APIClient
from pandora.clientbuilder import PydoraConfigFileBuilder
from .utils import Screen, Colors
class Umask:
"""Set/Restore Umask Context Manager
"""
def __init__(self, umask):
self.umask = umask
self.old_umask = None
def __enter__(self):
self.old_umask = os.umask(self.umask)
def __exit__(self, exc_type, exc_val, exc_tb):
os.umask(self.old_umask)
class PandoraKeysConfigParser:
"""Parser for Pandora Keys Source Page
This is an extremely naive restructured text parser designed only to parse
the pandora API docs keys source file.
"""
KEYS_URL = (
"http://6xq.net/git/lars/pandora-apidoc.git/plain/json/partners.rst"
)
FIELD_RE = re.compile(
":(?P<key>[^:]+): (?:`{2})?(?P<value>[^`\n]+)(?:`{2})?$"
)
def _fixup_key(self, key):
key = key.lower()
if key.startswith("dec") and "password" in key:
return "decryption_key"
elif key.startswith("encrypt"):
return "encryption_key"
elif key == "deviceid":
return "device"
else:
return key
def _format_api_host(self, host):
return "{}/services/json/".format(host)
def _clean_device_name(self, name):
return re.sub("[^a-z]+", "_", name, flags=re.I)
def _fetch_config(self):
return requests.get(self.KEYS_URL).text.split("\n")
def _match_key(self, line):
key_match = self.FIELD_RE.match(line)
if key_match:
match = key_match.groupdict()
match["key"] = self._fixup_key(match["key"])
return match
else:
return None
def _is_host_terminator(self, line):
return line.startswith("--")
def _is_device_terminator(self, line):
return line.startswith("^^")
def load(self):
buffer = []
current_partner = {}
api_host = None
partners = {}
for line in self._fetch_config():
key_match = self._match_key(line)
if key_match:
current_partner[key_match["key"]] = key_match["value"]
elif self._is_host_terminator(line):
api_host = buffer.pop()
elif self._is_device_terminator(line):
key = self._clean_device_name(buffer.pop())
current_partner = partners[key] = {
"api_host": self._format_api_host(api_host)
}
buffer.append(line.strip().lower())
return partners
class Configurator:
"""Interactive Configuration Builder
Allows a user to configure pydora interactively. Ultimately writes the
pydora config file.
"""
def __init__(self):
self.builder = PydoraConfigFileBuilder()
self.cfg = ConfigParser()
self.screen = Screen()
if self.builder.file_exists:
self.read_config()
else:
self.cfg.add_section("user")
self.cfg.add_section("api")
def fail(self, message):
print(self.screen.print_error(message))
sys.exit(1)
def finished(self, message):
self.screen.print_success(message)
sys.exit(0)
def print_message(self, message):
print(Colors.cyan(message))
def get_partner_config(self):
try:
return PandoraKeysConfigParser().load()["android"]
except Exception:
self.fail("Error loading config file. Unable to continue.")
def get_value(self, section, key, prompt):
self.cfg.set(section, key, self.screen.get_string(prompt))
def get_password(self, section, key, prompt):
self.cfg.set(section, key, self.screen.get_password(prompt))
def set_static_value(self, section, key, value):
self.cfg.set(section, key, value)
def add_partner_config(self, config):
for key, value in config.items():
self.cfg.set("api", key, value)
def read_config(self):
with open(self.builder.path) as file:
self.cfg.read_file(file)
def write_config(self):
with Umask(0o077), open(self.builder.path, "w") as file:
self.cfg.write(file)
def configure(self):
if self.builder.file_exists:
self.print_message("You already have a pydora config.")
self.add_partner_config(self.get_partner_config())
self.write_config()
self.finished("Freshened your API keys!")
self.print_message("Welcome to Pydora, let's configure a few things")
self.add_partner_config(self.get_partner_config())
self.get_value("user", "username", "Pandora Username: ")
self.get_password("user", "password", "Pandora Password: ")
self.set_static_value(
"api", "default_audio_quality", APIClient.HIGH_AUDIO_QUALITY
)
self.write_config()
def main():
Configurator().configure()
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