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add search provider for gnome-shell #474

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add search provider for gnome-shell #474

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5 changes: 5 additions & 0 deletions data/gnome-everpad-search-provider.ini
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
[Shell Search Provider]
DesktopId=everpad.desktop
BusName=com.everpad.gnome.SearchProvider
ObjectPath=/com/everpad/gnome/SearchProvider
Version=2
3 changes: 3 additions & 0 deletions data/gnome-everpad.service
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
[D-BUS Service]
Name=com.everpad.gnome.SearchProvider
Exec=/usr/bin/everpad-gnome-search-provider
Empty file added everpad/specific/gnome/__init__.py
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Empty file.
127 changes: 127 additions & 0 deletions everpad/specific/gnome/search_provider.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,127 @@
#!/usr/bin/env python
# coding:utf-8

import dbus
import dbus.service
import dbus.mainloop.glib
import json
from html2text import html2text
import signal
import sys
from everpad.tools import get_provider, get_pad, resource_filename
from everpad.basetypes import Note, Tag, Notebook, Place, Resource
from everpad.specific import AppClass
from PySide.QtCore import Slot, QSettings


def find_match_in_result(content, term, range_before=30, range_after=60):
preview = html2text(content)
preview = preview.replace("\r", " ")
preview = preview.replace("\n", " ")
pos = preview.find(term)
if pos >= 0:
end = min(pos + range_after, len(preview))
begin = max(pos - range_before, 0)
preview = preview[begin: end]
else:
preview = preview[: range_before + range_after]
# should eliminate html tags, otherwise will corrupt display
preview = preview.replace("<", "&lt;")
preview = preview.replace(">", "&gt;")
return preview



class GnomeShellSearchProvider(dbus.service.Object):

def __init__(self, *args, **kwargs):
super(GnomeShellSearchProvider, self).__init__(*args, **kwargs)
self.provider = get_provider()
self.pad = get_pad()

def _run_search(self, terms):
search = " ".join(terms)
notebooks = dbus.Array([], signature='i')
tags = dbus.Array([], signature='i')
place = 0
result = []
#TODO search by tag or notebook
notes = self.provider.find_notes(
search, notebooks, tags, place,
1000, Note.ORDER_TITLE, -1,
)
for note_struct in notes:
note = Note.from_tuple(note_struct)
result.append(json.dumps({'id': note.id,
'title': note.title,
'content': note.content, # html
'terms': search,
}))
return result


@dbus.service.method("org.gnome.Shell.SearchProvider2",
in_signature='as', out_signature='as')
def GetInitialResultSet(self, terms):
result = self._run_search(terms)
return dbus.Array(result, signature='s')

@dbus.service.method("org.gnome.Shell.SearchProvider2",
in_signature='asas', out_signature='as')
def GetSubsearchResultSet(self, previous_results, terms):
result = self._run_search(terms)
return dbus.Array(result, signature='s')


@dbus.service.method("org.gnome.Shell.SearchProvider2",
in_signature="as", out_signature="aa{sv}")
def GetResultMetas(self, identifiers):
result = []
for n_s in identifiers:
data = json.loads(n_s)
result.append(dbus.Dictionary({'id': n_s,
'name': data['title'],
'description': find_match_in_result(data['content'], data['terms'])
}))
return dbus.Array(result, "a{sv}")

@dbus.service.method("org.gnome.Shell.SearchProvider2",
in_signature='sasu')
def ActivateResult(self, identifier, terms, timestamp):
data = json.loads(identifier)
pad = get_pad()
pad.open_with_search_term(data['id'], " ".join(terms))



@dbus.service.method("org.gnome.Shell.SearchProvider2",
in_signature='asu', out_signature='')
def LaunchSearch(self, terms, timestamp):
return



class GnomeShellSearchProviderDaemon(AppClass):

def __init__(self, *args, **kwargs):
AppClass.__init__(self, *args, **kwargs)
session_bus = dbus.SessionBus()
self.bus = dbus.service.BusName("com.everpad.gnome.SearchProvider", session_bus)
self.service = GnomeShellSearchProvider(session_bus, "/com/everpad/gnome/SearchProvider")


@Slot()
def terminate(self):
self.quit()


def main():
signal.signal(signal.SIGINT, signal.SIG_DFL)
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
app = GnomeShellSearchProviderDaemon(sys.argv)
app.exec_()

if __name__ == '__main__':
main()

# vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4 :
4 changes: 3 additions & 1 deletion setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,6 @@
if not 'TRAVIS_CI' in os.environ:
requirements.append('PySide')


setup(
name='everpad',
version=version,
Expand All @@ -38,6 +37,7 @@
'everpad=everpad.pad.indicator:main'
], 'console_scripts': [
'everpad-lens=everpad.specific.unity.lens:main',
'everpad-gnome-search-provider=everpad.specific.gnome.search_provider:main',
'everpad-provider=everpad.provider.daemon:main',
]
},
Expand Down Expand Up @@ -103,7 +103,9 @@
'data/unity-lens-everpad.service',
'data/everpad-provider.service',
'data/everpad-app.service',
'data/gnome-everpad.service'
]),
('share/gnome-shell/search-providers', [ 'data/gnome-everpad-search-provider.ini']),
('share/kde4/services/', [
'data/plasma-runner-everpad.desktop',
]),
Expand Down