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lfunctions.py
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lfunctions.py
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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
#***************************************************************************
#* nepoogle - functions library *
#* *
#* Copyright (C) 2011-2012 Ignacio Serantes <[email protected]> *
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU General Public License as published by *
#* the Free Software Foundation; either version 2 of the License, or *
#* (at your option) any later version. *
#* *
#* This program is distributed in the hope that it will be useful, *
#* but WITHOUT ANY WARRANTY; without even the implied warranty of *
#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
#* GNU General Public License for more details. *
#* *
#* You should have received a copy of the GNU General Public License *
#* along with this program; if not, write to the *
#* Free Software Foundation, Inc., *
#* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
#***************************************************************************
import datetime, md5, os, re, subprocess, sys, tempfile
from PyQt4.QtCore import *
from PyKDE4.kdecore import KUrl
from PyKDE4.kdeui import KMessageBox
from PyKDE4.nepomuk2 import Nepomuk2
from PyKDE4.soprano import Soprano
from lglobals import *
_ = gettext.gettext
#BEGIN lfunctions.py
# Program functions.
gSysEncoding = SYSTEM_ENCODING
class stderrReader():
tmpFile = None
old_stderr = None
stderrValue = ""
def __init__(self):
self.tmpFile = tempfile.TemporaryFile()
self.old_stderr = sys.stderr
self.old_stderr.flush()
sys.stderr = self.tmpFile
def __exit__(self, exc_type, exc_value, traceback):
if (self.old_stderr != None):
sys.stderr.flush()
sys.stderr = self.old_stderr
def read(self):
if (self.old_stderr != None):
sys.stderr.flush()
sys.stderr = self.old_stderr
self.old_stderr = None
self.tmpFile.seek(0)
self.stderrValue = self.tmpFile.read()
self.tmpFile.close()
return self.stderrValue
def addBS(path = '.'):
path = path.strip()
if path == '':
return ''
else:
if path[-1] == '/':
return path
else:
return path + '/'
def addLinksToText(text = ''):
patter1 = re.compile(r"(^|[\n ])(([\w]+?://[\w\#$%&~.\-;:=,?@\[\]+]*)(/[\w\#$%&~/.\-;:=,?@\[\]+]*)?)", re.IGNORECASE | re.DOTALL)
patter2 = re.compile(r"#(^|[\n ])(((www|ftp)\.[\w\#$%&~.\-;:=,?@\[\]+]*)(/[\w\#$%&~/.\-;:=,?@\[\]+]*)?)", re.IGNORECASE | re.DOTALL)
text = patter1.sub(r'\1<a title="\2" href="\2" target="_blank">\3</a>', text)
text = patter2.sub(r'\1<a title="http:/\2" href="http:/\2" target="_blank">\3</a>', text)
return text
def dialogInputBox(message = _("Text"), ontType = "string"):
if (ontType == "date"):
parameters = ["zenity", "--calendar", "--title=" + PROGRAM_NAME, "--text=" + message, "--date-format=%Y-%m-%d"]
else:
parameters = ["kdialog", "--title", PROGRAM_NAME, "--inputbox", message]
try:
dialogProcess = subprocess.Popen(parameters, stdout=subprocess.PIPE)
dialogProcess.wait()
value = u""
for line in iter(dialogProcess.stdout.readline, ''):
value += toUnicode(line)
# Cleaning last "\n".
if (value[-1] == "\n"):
value = value[:-1]
print(toUtf8("dialogInputBox:%s" % value))
except:
value = None
KMessageBox.error(None, "Zenity and KDialog are required to edit resources.")
return value
def dialogList(parameters = [], message = _("Select")):
value = label = None
try:
if parameters:
parameters = ["kdialog", "--title", PROGRAM_NAME, "--radiolist", message] \
+ parameters
dialogProcess = subprocess.Popen(parameters, stdout=subprocess.PIPE)
dialogProcess.wait()
value = u""
for line in iter(dialogProcess.stdout.readline, ''):
value += toUnicode(line)
# Cleaning last "\n".
if (value[-1] == "\n"):
value = value[:-1]
try:
label = toUnicode(parameters[parameters.index(value) + 1])
except:
label = toUnicode(value)
print(toUtf8("dialogList:%s" % value))
except:
KMessageBox.error(None, "Zenity and KDialog are required to edit resources.")
return value, label
def dialogTextInputBox(message = _("Text"), value = "", ontType = "string"):
try:
if (ontType == "date"):
oldYear = ""
oldMonth = ""
oldDay = ""
if value:
oldYear = "--year=%s" % value[:4]
oldMonth = "--month=%s" % value[5:7]
oldDay = "--day=%s" % value[8:10]
parameters = ["zenity", "--calendar", "--title=" + PROGRAM_NAME, "--text=" + message, oldYear, oldMonth, oldDay, "--date-format=%Y-%m-%d"]
elif (ontType == "sparql"):
parameters = ["kdialog", "--title", PROGRAM_NAME, "--textinputbox", message, value, "800", "600"]
else:
parameters = ["kdialog", "--title", PROGRAM_NAME, "--textinputbox", message, value]
dialogProcess = subprocess.Popen(parameters, stdout=subprocess.PIPE)
dialogProcess.wait()
value = u""
for line in iter(dialogProcess.stdout.readline, ''):
value += toUnicode(line)
# Cleaning last "\n".
if (value[-1] == "\n"):
value = value[:-1]
print(toUtf8("dialogTextInputBox:%s" % value))
except:
value = None
KMessageBox.error(None, "Zenity and KDialog are required to edit resources.")
return value
def downloadFile(remoteUrl, localUrl):
remoteUrl = str(QUrl(toUnicode(remoteUrl)).toEncoded())
result = False
#NEPOOGLE_DOWNLOAD_METHOD = "curl"
#if (NEPOOGLE_DOWNLOAD_METHOD == None):
#try:
#if (remoteUrl.find(".imgur.com/") < 0):
#import pycurl, StringIO
#NEPOOGLE_DOWNLOAD_METHOD = "libcurl"
##elif (remoteUrl.find(".wikimedia.org/") < 0):
## NEPOOGLE_DOWNLOAD_METHOD = "curl"
#else:
#import urllib
#NEPOOGLE_DOWNLOAD_METHOD = "urllib"
#except:
#pass
#if (NEPOOGLE_DOWNLOAD_METHOD == "urllib"):
#try:
#urllib.urlretrieve(remoteUrl, localUrl)
#result = True
#except:
#pass
#elif (NEPOOGLE_DOWNLOAD_METHOD == "libcurl"):
#cUrl = pycurl.Curl()
#cUrl.setopt(pycurl.URL, remoteUrl)
#strIO = StringIO.StringIO()
#cUrl.setopt(pycurl.WRITEFUNCTION, strIO.write)
##cUrl.setopt(pycurl.FOLLOWLOCATION, 1)
##cUrl.setopt(pycurl.MAXREDIRS, 5)
#cUrl.setopt(pycurl.POST, 1)
#cUrl.perform()
## Data must be written to file.
#try:
#buffer = strIO.getvalue()
#if buffer.find("<HTML>") < 0:
#f = open(localUrl, "w")
#try:
#f.write(strIO.getvalue())
#result = True
#finally:
#f.close()
#else:
#NEPOOGLE_DOWNLOAD_METHOD = "curl"
#except:
#NEPOOGLE_DOWNLOAD_METHOD = "curl"
#result = False
#if (NEPOOGLE_DOWNLOAD_METHOD == "curl"):
if True:
try:
subprocess.check_call(["curl", "-q", "--raw", "--fail", "-o", localUrl, remoteUrl])
except:
pass
result = os.path.exists(localUrl)
return result
def fileExists(fileName = ''):
if fileName == '':
return False
fileName = toUnicode(fileName)
if fileName[:7] == 'file://':
return os.path.exists(fileName[7:])
else:
return os.path.exists(fileName)
def findRecurseFiles(rootPath = './', hidden = False):
resources = []
rootPath = os.path.normpath(rootPath)
for dirPath, dirName, fileNames in os.walk(unicode(rootPath)):
if not hidden and os.path.basename(dirPath)[0] == '.':
continue
resources += [addBS(dirPath)]
for item in fileNames:
if not hidden and item[0] == '.':
continue
resources += [addBS(dirPath) + item]
return len(resources), sorted(resources)
def formatDate(string = '', pack = False):
result = datetime.datetime.strptime(string[:19], "%Y-%m-%dT%H:%M:%S")
result = datetime.datetime.strftime(result, '%x')
return result
def formatDateTime(string = '', pack = False):
result = datetime.datetime.strptime(string[:19], "%Y-%m-%dT%H:%M:%S")
if pack and result.day == 1 and result.month == 1 and (result.hour + result.minute + result.second) == 0:
result = datetime.datetime.strftime(result, '%Y')
else:
result = datetime.datetime.strftime(result, '%x %X')
return result
def fromPercentEncoding(url = ''):
qurl = QUrl()
qurl.setEncodedUrl(toUtf8(url))
qurl.setEncodedUrl(toUtf8(qurl.toString()))
qurl.setEncodedUrl(toUtf8(qurl.toString()))
return toUnicode(qurl.toString())
def getThumbnailUrl(url = ''):
thumbName = md5.new(QFile.encodeName(KUrl(url).url())).hexdigest() + ".png"
thumbPath = QDir.homePath() + "/.thumbnails/"
result = thumbPath + "large/" + thumbName
if not os.path.exists(result):
result = thumbPath + "normal/" + thumbName
if not os.path.exists(result):
return None
return "file://" + result
def iif(condition = True, value = '', optionalValue = ''):
return value if condition else optionalValue
def lindex(items, value, column = None):
try:
if vartype(items[0]) != 'list':
column = None
if column == None:
result = next((i for i, element in enumerate(items) if value in element), None)
else:
result = next((i for i, element in enumerate(items) if value == element[column]), None)
except:
result = None
return result
def lvalue(items, value, searchColumn = 0, valueColumn = 0):
try:
value = items[lindex(items, value, searchColumn)][valueColumn]
except:
value = None
return value
def QStringListToString(stringList = []):
result = ''
for item in stringList:
if result != '':
result += ', '
result += toUnicode(item)
return result
def toPercentEncoding(url = ''):
return str(QUrl.toPercentEncoding(url))
def toUtf8(string):
try:
if vartype(string) == 'QString':
return string.toUtf8() # REVISAR: Esto no es coherente con el resto.
else:
#return string.encode(gSysEncoding)
return string.encode("UTF-8")
except:
return string
def toUnicode(string):
try:
if (vartype(string) == 'QString'):
return unicode(str(string.toUtf8()), gSysEncoding)
elif (vartype(string) == 'QUrl'):
return unicode(str(string.toString()), gSysEncoding)
if (vartype(string) == 'unicode'):
return string
return unicode(string, gSysEncoding)
except:
return string
def toVariant(value):
if (vartype(value) == "QUrl"):
pass
elif (vartype(value) == "QString"):
if ((toUnicode(value).find("://") > 0) or (value[:13] == "nepomuk:/res/")):
value = QUrl(value)
elif (vartype(value) in ("unicode", "str")):
if ((value.find("://") > 0) or (value[:13] == "nepomuk:/res/")):
value = QUrl(value)
return Nepomuk2.Variant(value)
def urlDecode(url, retryIfThereArePercentCharacters = True):
url = toUtf8(url)
qUrl = QUrl()
try:
#print(toUtf8(url))
qUrl.setEncodedUrl(url)
except:
qUrl.setUrl(url)
if (retryIfThereArePercentCharacters and (qUrl.toString().indexOf("%") >= 0)):
result = urlDecode(qUrl.toString(), False)
else:
result = toUnicode(qUrl.toString())
#print(toUtf8(result))
return result
def urlHtmlEncode(url):
if not url:
return url
if ((url[0] == "/") or (url[:7] == "file://")):
return url.replace("\"", """).replace("#", "%23").replace("'", "'").replace("?", "%3F")
else:
return url.replace("\"", """).replace("#", "%23").replace("'", "'")
def vartype(var):
return type(var).__name__
#END lfunctions.py