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lbry-sdk/lbrynet/lbrynet_daemon/LBRYDaemonServer.py

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move daemon server stuff into its own class
2016-04-21 04:02:52 +02:00
import logging
import subprocess
import os
import shutil
fix jsonrpc import
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from txjsonrpc.web import jsonrpc
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import json
from StringIO import StringIO
from zipfile import ZipFile
from urllib import urlopen
from datetime import datetime
from appdirs import user_data_dir
from twisted.web import server, static, resource
from twisted.internet import defer
from lbrynet.lbrynet_daemon.LBRYDaemon import LBRYDaemon
from lbrynet.conf import API_CONNECTION_STRING, API_ADDRESS, DEFAULT_WALLET, UI_ADDRESS
log = logging.getLogger(__name__)
data_dir = user_data_dir("LBRY")
if not os.path.isdir(data_dir):
os.mkdir(data_dir)
version_dir = os.path.join(data_dir, "ui_version_history")
if not os.path.isdir(version_dir):
os.mkdir(version_dir)
version_log = logging.getLogger("lbry_version")
version_log.addHandler(logging.FileHandler(os.path.join(version_dir, "lbry_version.log")))
version_log.setLevel(logging.INFO)
class LBRYindex(resource.Resource):
def __init__(self, ui_dir):
resource.Resource.__init__(self)
self.ui_dir = ui_dir
isLeaf = False
def _delayed_render(self, request, results):
request.write(str(results))
request.finish()
def getChild(self, name, request):
if name == '':
return self
return resource.Resource.getChild(self, name, request)
def render_GET(self, request):
return static.File(os.path.join(self.ui_dir, "index.html")).render_GET(request)
improve timeouts
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class HostedLBRYFile(static.File):
def __init__(self, path):
static.File.__init__(self, path=path)
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class LBRYFileRender(resource.Resource):
isLeaf = False
def render_GET(self, request):
if 'name' in request.args.keys():
api = jsonrpc.Proxy(API_CONNECTION_STRING)
if request.args['name'][0] != 'lbry':
d = api.callRemote("get", {'name': request.args['name'][0]})
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d.addCallback(lambda results: HostedLBRYFile(results['path']))
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d.addCallback(lambda static_file: static_file.render_GET(request) if static_file.getFileSize() > 0
else server.failure)
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else:
request.redirect(UI_ADDRESS)
request.finish()
return server.NOT_DONE_YET
else:
return server.failure
class LBRYBugReport(resource.Resource):
isLeaf = False
def _delayed_render(self, request, results):
request.write(results)
request.finish()
def render_GET(self, request):
return '<html><body><form method="POST">' \
'<br>Please describe the problem you experienced and any information you think might be useful to us. Links to screenshots are great!</br>' \
'<textarea cols="50" rows="10" name="message" type="text"></textarea>' \
'<button>Submit</button>' \
'</form></body></html>'
def render_POST(self, request):
msg = request.args["message"][0]
api = jsonrpc.Proxy(API_CONNECTION_STRING)
add message key to upload_log log the message which is then uploaded with a special file prefix, and also send the message to slack
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d = api.callRemote("upload_log", {'name_prefix': 'report', 'exclude_previous': False, 'force': True, 'message': str(msg)})
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d.addCallback(lambda _: self._delayed_render(request, "<html><body>Your bug report is greatly appreciated! <a href='lbry://lbry'>Click here to return to LBRY</a></body></html>"))
return server.NOT_DONE_YET
class LBRYDaemonServer(object):
def __init__(self):
self.data_dir = user_data_dir("LBRY")
if not os.path.isdir(self.data_dir):
os.mkdir(self.data_dir)
self.version_dir = os.path.join(self.data_dir, "ui_version_history")
if not os.path.isdir(self.version_dir):
os.mkdir(self.version_dir)
self.config = os.path.join(self.version_dir, "active.json")
self.ui_dir = os.path.join(self.data_dir, "lbry-web-ui")
self.git_version = None
self._api = None
self.root = None
if not os.path.isfile(os.path.join(self.config)):
self.loaded_git_version = None
else:
try:
f = open(self.config, "r")
loaded_ui = json.loads(f.read())
f.close()
self.loaded_git_version = loaded_ui['commit']
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self.loaded_branch = loaded_ui['branch']
version_log.info("[" + str(datetime.now()) + "] Last used " + self.loaded_branch + " commit " + str(self.loaded_git_version).replace("\n", ""))
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except:
self.loaded_git_version = None
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self.loaded_branch = None
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def setup(self, branch="HEAD", user_specified=None):
self.branch = branch
if user_specified:
if os.path.isdir(user_specified):
log.info("Using user specified UI directory: " + str(user_specified))
self.branch = "user-specified"
self.loaded_git_version = "user-specified"
self.ui_dir = user_specified
return defer.succeed("user-specified")
else:
log.info("User specified UI directory doesn't exist, using " + branch)
elif branch == "HEAD":
log.info("Using UI branch: " + branch)
self._gitcmd = "git ls-remote https://github.com/lbryio/lbry-web-ui.git | grep %s | cut -f 1" % branch
self._dist_url = "https://raw.githubusercontent.com/lbryio/lbry-web-ui/master/dist.zip"
else:
log.info("Using UI branch: " + branch)
self._gitcmd = "git ls-remote https://github.com/lbryio/lbry-web-ui.git | grep refs/heads/%s | cut -f 1" % branch
self._dist_url = "https://raw.githubusercontent.com/lbryio/lbry-web-ui/%s/dist.zip" % branch
d = self._up_to_date()
d.addCallback(lambda r: self._download_ui() if not r else self.branch)
return d
def _up_to_date(self):
def _get_git_info():
r = subprocess.check_output(self._gitcmd, shell=True)
return defer.succeed(r)
def _set_git(version):
self.git_version = version
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version_log.info("[" + str(datetime.now()) + "] UI branch " + self.branch + " has a most recent commit of: " + str(self.git_version).replace("\n", ""))
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if self.git_version == self.loaded_git_version and os.path.isdir(self.ui_dir):
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version_log.info("[" + str(datetime.now()) + "] local copy of " + self.branch + " is up to date")
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return defer.succeed(True)
else:
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if self.git_version == self.loaded_git_version:
version_log.info("[" + str(datetime.now()) + "] Can't find ui files, downloading them again")
else:
version_log.info("[" + str(datetime.now()) + "] local copy of " + self.branch + " branch is out of date, updating")
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f = open(self.config, "w")
f.write(json.dumps({'commit': self.git_version,
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'time': str(datetime.now()),
'branch': self.branch}))
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f.close()
return defer.succeed(False)
d = _get_git_info()
d.addCallback(_set_git)
return d
def _download_ui(self):
def _delete_ui_dir():
if os.path.isdir(self.ui_dir):
if self.loaded_git_version:
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version_log.info("[" + str(datetime.now()) + "] Removed ui files for commit " + str(self.loaded_git_version).replace("\n", ""))
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log.info("Removing out of date ui files")
shutil.rmtree(self.ui_dir)
return defer.succeed(None)
def _dl_ui():
url = urlopen(self._dist_url)
z = ZipFile(StringIO(url.read()))
names = [i for i in z.namelist() if '.DS_exStore' not in i and '__MACOSX' not in i]
z.extractall(self.ui_dir, members=names)
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version_log.info("[" + str(datetime.now()) + "] Updated branch " + self.branch + ": " + str(self.loaded_git_version).replace("\n", "") + " --> " + self.git_version.replace("\n", ""))
log.info("Downloaded files for UI commit " + str(self.git_version).replace("\n", ""))
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self.loaded_git_version = self.git_version
return self.branch
d = _delete_ui_dir()
d.addCallback(lambda _: _dl_ui())
return d
def _setup_server(self, ui_ver):
self._api = LBRYDaemon(ui_ver, wallet_type=DEFAULT_WALLET)
self.root = LBRYindex(self.ui_dir)
self.root.putChild("css", static.File(os.path.join(self.ui_dir, "css")))
self.root.putChild("font", static.File(os.path.join(self.ui_dir, "font")))
self.root.putChild("img", static.File(os.path.join(self.ui_dir, "img")))
self.root.putChild("js", static.File(os.path.join(self.ui_dir, "js")))
self.root.putChild("view", LBRYFileRender())
self.root.putChild("report", LBRYBugReport())
self.root.putChild(API_ADDRESS, self._api)
return defer.succeed(True)
def start(self, branch="HEAD", user_specified=False):
d = self.setup(branch=branch, user_specified=user_specified)
d.addCallback(lambda v: self._setup_server(v))
d.addCallback(lambda _: self._api.setup())
return d
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