Python tempfile.gettempprefix函数代码示例

    def setUp(self):
        # The filename for our temporary xar file
        self.archive = os.path.join(tempfile.gettempdir(), "%sxar%sxar" %
                (tempfile.gettempprefix(), os.extsep))

        # A test subdoc object
        self.test_subdoc = xarfile.XarSubdoc("testdoc", subdoc)
         
        # A single file to xar up
        self.test_file = makeTestFile(dir = os.path.join(os.sep,
            tempfile.gettempprefix()))
            
        # A non-existent filename
        self.test_dne = os.path.join(tempfile.gettempprefix(), "dne" + \
                str(random.random()))

        # Create a few temporary files in a directory to xar up recursively
        # XXX: Robustify this to include multiple levels of directories
        self.test_dir = tempfile.mkdtemp()
        self.test_files = []
        for i in xrange(2):
            self.test_files.append(makeTestFile(dir = self.test_dir))
        self.test_members = self.test_files + \
                [tempfile.gettempprefix(), self.test_dir, self.test_file]
        self.test_members = map(lambda m: m.lstrip(os.sep), self.test_members)

 def setUp(self):
     # Does our output director exist?  If not, create it
     if not os.path.isdir('KEGG'):
         os.mkdir('KEGG')
     # Define some data to work with as a list of tuples:
     # (infilename, outfilename, (entry_count, ortholog_count,
     # compound_count, map_counts), pathway_image,
     # show_image_map)
     self.data = [PathwayData(os.path.join("KEGG", "ko01100.xml"),
                              tempfile.gettempprefix() + ".ko01100.kgml",
                              (3628, 1726, 1746, 149),
                              os.path.join("KEGG", "map01100.png")),
                  PathwayData(os.path.join("KEGG", "ko03070.xml"),
                              tempfile.gettempprefix() + ".ko03070.kgml",
                              (81, 72, 8, 1),
                              os.path.join("KEGG", "map03070.png"),
                              True)]
     # A list of KO IDs that we're going to use to modify pathway
     # appearance. These are KO IDs for reactions that take part in ko00020,
     # the TCA cycle
     self.ko_ids = \
         set(['ko:K00239', 'ko:K00240', 'ko:K00241', 'ko:K00242', 'ko:K00244',
              'ko:K00245', 'ko:K00246', 'ko:K00247', 'ko:K00174', 'ko:K00175',
              'ko:K00177', 'ko:K00176', 'ko:K00382', 'ko:K00164', 'ko:K00164',
              'ko:K00658', 'ko:K01902', 'ko:K01903', 'ko:K01899', 'ko:K01900',
              'ko:K01899', 'ko:K01900', 'ko:K00031', 'ko:K00030', 'ko:K00031',
              'ko:K01648', 'ko:K00234', 'ko:K00235', 'ko:K00236', 'ko:K00237',
              'ko:K01676', 'ko:K01677', 'ko:K01678', 'ko:K01679', 'ko:K01681',
              'ko:K01682', 'ko:K01681', 'ko:K01682', 'ko:K01647', 'ko:K00025',
              'ko:K00026', 'ko:K00024', 'ko:K01958', 'ko:K01959', 'ko:K01960',
              'ko:K00163', 'ko:K00161', 'ko:K00162', 'ko:K00163', 'ko:K00161',
              'ko:K00162', 'ko:K00382', 'ko:K00627', 'ko:K00169', 'ko:K00170',
              'ko:K00172', 'ko:K00171', 'ko:K01643', 'ko:K01644', 'ko:K01646',
              'ko:K01610', 'ko:K01596'])

def empty_temp_dir():
    """ Create a sub directory in the temp directory for use in tests
    """
    import tempfile
    d = catalog.default_dir()
    for i in range(10000):
        new_d = os.path.join(d,tempfile.gettempprefix()[1:-1]+`i`)
        if not os.path.exists(new_d):
            os.mkdir(new_d)
            break
    return new_d

	def ontimer(self):
		
		if not self.afterOpened:
			return
		
		while 1:
			eventType,data = self.camera.waitForEvent(timeout=0)
			if eventType == constants.GPEvent.TIMEOUT:
				return
			if self.hasCaptureEvents is None:
				if (eventType == constants.GPEvent.UNKNOWN and data.startswith('PTP Property')) or eventType == constants.GPEvent.FILE_ADDED or eventType == constants.GPEvent.CAPTURE_COMPLETE: 
					### TEMP: if we get any valid event we guess that the camera supports PTP end capture events -- not ideal!  
					self.hasCaptureEvents = True
			if not eventType == constants.GPEvent.UNKNOWN and data.startswith('PTP Property'):
				# log everything except timeouts and PTP property change events
				log.debug('%s %r'%(EVENTTYPE_TO_NAME[eventType],data))  
			if eventType == constants.GPEvent.UNKNOWN and data.startswith('PTP Property'):
				changed = self.configurationFromCamera()
				if not changed:
					continue
				changedProperties = [self.getPropertyByName(widget['name']) for widget in changed]
				event = interface.PropertiesChangedEvent(self,changedProperties)
				self.propertiesChanged.emit(event)
			elif eventType == constants.GPEvent.FILE_ADDED:
				path,fn = data
				tempFn = os.path.join(tempfile.gettempdir(),tempfile.gettempprefix()+fn)
				self.camera.downloadFile(path,fn,tempFn)
				self.capturedAuxFiles.append(tempFn)
			elif eventType == constants.GPEvent.CAPTURE_COMPLETE:
				e = interface.CaptureCompleteEvent(self,data=self.capturedData,auxFiles=self.capturedAuxFiles)
				self.capturedAuxFiles = []
				self.captureComplete.emit(e)

	def CreateTempFile(FilePath):
		TempPath = os.path.join(
		  tempfile.gettempdir(),
		  tempfile.gettempprefix() + "-" + os.path.basename(FilePath) + ".tmp"
		  )
		TempFile = open(TempPath, 'w')
		return TempFile

def gen_args ( args, infile_path, outfile ) :
    """
    Return the argument list generated from 'args' and the infile path
    requested.

    Arguments :
        args  ( string )
            Keyword or arguments to use in the call of Consense, excluding
            infile and outfile arguments.
        infile_path  ( string )
            Input alignment file path.
        outfile  ( string )
            Consensus tree output file.

    Returns :
        list
            List of arguments (excluding binary file) to call Consense.
    """
    if ( outfile ) :
        outfile_path = get_abspath(outfile)
    else :
        # Output files will be saved in temporary files to retrieve the
        # consensus tree
        outfile_path = os.path.join(tempfile.gettempdir(),
                                    tempfile.gettempprefix() + \
                                        next(tempfile._get_candidate_names()))
    # Create full command line list
    argument_list = [infile_path, outfile_path]
    return ( argument_list )

 def _update (self, lang, po_file_n, cmd, pot_file, pot_file_n) :
     print ("Update catalog `%s` based on `%s`" % (po_file_n, pot_file_n))
     po_file = TFL.Babel.PO_File.load (po_file_n, locale = lang)
     po_file.update                   (pot_file, cmd.no_fuzzy)
     tmpname = os.path.join\
         ( os.path.dirname (po_file_n)
         , "%s%s.po" % (tempfile.gettempprefix (), lang)
         )
     try :
         po_file.save \
             ( tmpname
             , ignore_obsolete  = cmd.ignore_obsolete
             , include_previous = cmd.previous
             , sort             = cmd.sort
             )
     except :
         os.remove (tmpname)
         raise
     try :
         os.rename (tmpname, po_file_n)
     except OSError:
         # We're probably on Windows, which doesn't support atomic
         # renames, at least not through Python
         # If the error is in fact due to a permissions problem, that
         # same error is going to be raised from one of the following
         # operations
         os.remove   (po_file_n)
         shutil.copy (tmpname, po_file_n)
         os.remove   (tmpname)

    def safe_write_po(self, catalog, filepath, **kwargs):
        """
        Safely write a PO file
        
        This means that the PO file is firstly created in a temporary file, so 
        if it fails it does not overwrite the previous one, if success the 
        temporary file is moved over the previous one.
        
        Some part of code have been stealed from babel.messages.frontend
        """
        tmpname = os.path.join(os.path.dirname(filepath), tempfile.gettempprefix() + os.path.basename(filepath))
        tmpfile = open(tmpname, 'w')
        try:
            try:
                write_po(tmpfile, catalog, **kwargs)
            finally:
                tmpfile.close()
        except:
            os.remove(tmpname)
            raise

        try:
            os.rename(tmpname, filepath)
        except OSError:
            # We're probably on Windows, which doesn't support atomic
            # renames, at least not through Python
            # If the error is in fact due to a permissions problem, that
            # same error is going to be raised from one of the following
            # operations
            os.remove(filepath)
            shutil.copy(tmpname, filepath)
            os.remove(tmpname)

def transform_command_with_value(command, value, notification_timestamp):
    python_download_script = 'zk_download_data.py'

    if len(value) > _LONG_VALUE_THRESHOLD:
        # If the value is too long (serverset is too large), OSError may be thrown.
        # Instead of passing it in command line, write to a temp file and
        # let zk_download_data read from it.
        value = value.replace("\n", "").replace("\r", "")
        md5digest = zk_util.get_md5_digest(value)
        tmp_filename = 'zk_update_largefile_' + md5digest + '_' + str(notification_timestamp)
        tmp_dir = tempfile.gettempprefix()
        tmp_filepath = os.path.join('/', tmp_dir, tmp_filename)

        log.info("This is a long value, write it to temp file %s", tmp_filepath)
        try:
            with open(tmp_filepath, 'w') as f:
                f.write(value + '\n' + md5digest)
        except Exception as e:
            log.exception(
                "%s: Failed to generate temp file %s for storing large size values"
                % (e.message, tmp_filepath))
            return (None, None)
        finally:
            f.close()
        transformed_command = command.replace(
            python_download_script, "%s -l %s" % (
                python_download_script, tmp_filepath))
        return transformed_command, tmp_filepath
    else:
        transformed_command = command.replace(
            python_download_script, "%s -v '%s'" % (
                python_download_script, value))
        return transformed_command, None

 def get_path_for_file(self, filename):
     """
     given the filename, get the path for the temporary file
     """
     prefix = tempfile.gettempprefix()
     tempdir = tempfile.gettempdir()
     return '%s/%s%s'% (tempdir, prefix, filename)

    def draw_image(self, x, y, im, bbox):
        filename = os.path.join (tempfile.gettempdir(),
                                 tempfile.gettempprefix() + '.png'
                                 )

        verbose.report ('Writing image file for include: %s' % filename)
        # im.write_png() accepts a filename, not file object, would be
        # good to avoid using files and write to mem with StringIO

        # JDH: it *would* be good, but I don't know how to do this
        # since libpng seems to want a FILE* and StringIO doesn't seem
        # to provide one.  I suspect there is a way, but I don't know
        # it

        im.flipud_out()

        h,w = im.get_size_out()
        y = self.height-y-h
        im.write_png(filename)

	imfile = file (filename, 'r')
	image64 = base64.b64encode (imfile.read())
	imfile.close()
	os.remove(filename)
        lines = [image64[i:i+76] for i in range(0, len(image64), 76)]

        self._svgwriter.write (
            '<image x="%f" y="%f" width="%f" height="%f" '
            'xlink:href="data:image/png;base64,\n%s" />\n'
            % (x, y, w+1, h+1, '\n'.join(lines))
            )

         # unflip
        im.flipud_out()

 def delete_file(self, filename):
     """
     remove the tempfile
     """
     prefix = tempfile.gettempprefix()
     tempdir = tempfile.gettempdir()
     filename = '%s/%s%s'% (tempdir, prefix, filename)
     os.remove(filename)

 def __init__(self, vim):
     self.vim = vim
     self.pvs_command    = "pvs-studio-analyzer analyze"
     self.ans_cmmmand    = "plog-converter -a %s -t errorfile PVS-Studio.log"
     self.tidy_command   = 'clang-tidy -format-style=file -p {} -checks={} {}'
     self.oclint_command = 'oclint -p {} {}'
     self.tempFile = join(tempfile.gettempdir(), tempfile.gettempprefix() + "_analysis")
     self.buildDir = ''

def get_tempfile_path () :
    """
    Returns :
        string
            Path of a new temporary file name (without creating it).
    """
    return ( os.path.join(tempfile.gettempdir(), tempfile.gettempprefix() +\
                              next(tempfile._get_candidate_names())) )

    def _setup_scratch_area(self):
	self.scratch_dir = "%s/%sipkg" % (tempfile.gettempdir(),
					   tempfile.gettempprefix())
	self.file_dir = "%s/files" % (self.scratch_dir)
	self.meta_dir = "%s/meta" % (self.scratch_dir)

	os.mkdir(self.scratch_dir)
	os.mkdir(self.file_dir)
	os.mkdir(self.meta_dir)