Try to open the file using jpeg.
557628
protected function openJpeg($file)
    {
        if (file_exists($file) && filesize($file)) {
            $this->resource = @imagecreatefromjpeg($file);
        } else {
            $this->resource = false;
        }
    }
592307
def open_with_encoding(filename, encoding, mode='r'):
    """"""
    return io.open(filename, mode=mode, encoding=encoding,
                   newline='')
1251724
def open(self):
        """"""
        filename = self.dialogs.getOpenFileName(filter="*.%s" % self.FTYPE)
        if filename:
            self.new(filename)
845327
def _open_file(self, mode, encoding=None):
        
        if self._filename[-4:] == '.bz2':
            self._file = bz2.open(self._filename, mode=mode, encoding=encoding)
        else:
            self._file = open(self._filename, mode=mode, encoding=encoding)
1159488
def call(file, *args, format: nil)
      img = ::MiniMagick::Image.new(file.path)
      img.quiet
      img.format(format.to_s.downcase, nil) if format
      send(@method, img, *args)
      post_processing(img)

      ::File.open(img.path, "rb")
    end
30388
def open(self, filehandle):
        """"""
        with self.lock:
            if filehandle in self.files:
                self.files[filehandle] += 1
            elif filehandle.closed:
                filehandle.open()
                self.files[filehandle] = 1
                self.past.append(filehandle)
582599
public void open(String file) throws IOException {
            filename = file;
            if(fd>0) {
                throw new IOException("File "+filename+" already open.");
            }
            fd = WDT.open(file);
            if(fd<0) {
                throw new IOException("Cannot open file handle for " + filename + " got " + fd + " back.");
            }
    }
828840
def try_open (*args, **kwargs):
    
    try:
        return io.open (*args, **kwargs)
    except IOError as e:
        if e.errno == 2:
            return None
        raise
1131289
void open() {
        if (askToSave()) {
            return;
        }

        boolean loading = true;
        SaveType fileType;
        tryAgain: while (loading) {
            int value = saveOpenFileChooser.showOpenDialog(mainFrame);
            if (value != JFileChooser.APPROVE_OPTION) {
                return;
            }

            loading = false;
            fileType = convertFilterToType(saveOpenFileChooser.getFileFilter());
            final File f = saveOpenFileChooser.getSelectedFile();

            if (!fileType.isValid(f)) {
                JOptionPane.showMessageDialog(saveOpenFileChooser, "That file is not compatible with the chosen file type",
                        "Invalid File", JOptionPane.WARNING_MESSAGE);
                loading = true;
                continue;
            }

            switch (fileType) {
            case XML_ANALYSIS:
                if (!f.getName().endsWith(".xml")) {
                    JOptionPane.showMessageDialog(saveOpenFileChooser,
                            L10N.getLocalString("dlg.not_xml_data_lbl", "This is not a saved bug XML data file."));
                    loading = true;
                    continue tryAgain;
                }

                if (!mainFrame.openAnalysis(f, fileType)) {
                    // TODO: Deal if something happens when loading analysis
                    JOptionPane.showMessageDialog(saveOpenFileChooser, "An error occurred while trying to load the analysis.");
                    loading = true;
                    continue tryAgain;
                }
                break;
            case FBP_FILE:
                if (!openFBPFile(f)) {
                    // TODO: Deal if something happens when loading analysis
                    JOptionPane.showMessageDialog(saveOpenFileChooser, "An error occurred while trying to load the analysis.");
                    loading = true;
                    continue tryAgain;
                }
                break;
            case FBA_FILE:
                if (!openFBAFile(f)) {
                    // TODO: Deal if something happens when loading analysis
                    JOptionPane.showMessageDialog(saveOpenFileChooser, "An error occurred while trying to load the analysis.");
                    loading = true;
                    continue tryAgain;
                }
                break;
            default:
                assert false;
            }
        }
    }
227454
def open(self):
        """"""
        try:
            self.project.open_main(self.filename)
        except UnicodeDecodeError:
            with open(self.filename, 'rb') as openfile:
                encoding = get_encoding(openfile.read())

            try:
                self.project.open_main(self.filename, encoding)
            except UnicodeDecodeError:
                LOGGER.error("'%s' encountered a fatal encoding error",
                             self.filename)
                sys.exit(1)
            except:  # pylint: disable=W0702
                open_error(self.filename)

        except:  # pylint: disable=W0702
            open_error(self.filename)
538389
def open(filename):
        """"""
        if isinstance(filename, six.string_types):
            try:
                fdesc = gzip.open(filename, "rb")
                magic = fdesc.read(4)
            except IOError:
                fdesc = open(filename, "rb")
                magic = fdesc.read(4)
        else:
            fdesc = filename
            filename = getattr(fdesc, "name", "No name")
            magic = fdesc.read(4)
        return filename, fdesc, magic
814008
def open(self, filename, mode='r'):
        """"""

        self._raise_if_none()
        fn = path_join(self.path, filename)

        return open(fn, mode)
437964
def Open(self, file_object, ascii_codepage='cp1252'):
    
    registry_file = dfwinreg_regf.REGFWinRegistryFile(
        ascii_codepage=ascii_codepage)

    # We don't catch any IOErrors here since we want to produce a parse error
    # from the parser if this happens.
    registry_file.Open(file_object)

    return registry_file
861845
@Override
    @Trivial
    public ZipFile open() throws IOException {
        String methodName = "open";

        synchronized( zipFileLock ) {
            if ( zipFile == null ) {
                debug(methodName, "Opening");
                if ( zipFileReaper == null ) {
                    zipFile = ZipFileUtils.openZipFile(file); // throws IOException
                } else {
                    zipFile = zipFileReaper.open(path);
                }
            }

            openCount++;
            debug(methodName, "Opened");

            return zipFile;
        }
    }
630138
function openFile(filename) {
  return new Promise((resolve, reject) => {
    opener(filename, null, err => err === null ? resolve(filename) : reject(err));
  });
}
757229
def open_file(self, filename):
        """"""
        try:
            if filename.endswith('.gz'):
                self.blob_file = gzip.open(filename, 'rb')
            else:
                self.blob_file = open(filename, 'rb')
        except TypeError:
            log.error("Please specify a valid filename.")
            raise SystemExit
        except IOError as error_message:
            log.error(error_message)
            raise SystemExit
48889
def _open(self, file_path=None):
		
		if file_path is None:
			file_path = self.file_path

		if not os.path.exists(file_path):
			raise ValueError('Could not find file: {}'.format(file_path))

		try:
			f = open(file_path, encoding='utf-8', newline='')
		except OSError as err:
			self.log.error(str(err))
			raise ValueError('Could not open file: {}'.format(file_path))

		return f