Python register_backend示例

示例#1

文件： cairo.py 项目： JamalAbuDayyeh/pdf4ax

from backends import Backend, register_backend
import subprocess
import os


class Cairo(Backend):
    def __init__(self, name):
        Backend.__init__(self, name)
        self._pdftocairo = os.path.join(self._utilsdir, 'pdftocairo')

    def create_refs(self, doc_path, refs_path):
        out_path = os.path.join(refs_path, 'cairo')
        p1 = subprocess.Popen([
            self._pdftocairo, '-cropbox', '-r', '72', '-e', '-png', doc_path,
            out_path
        ],
                              stderr=subprocess.PIPE)
        p2 = subprocess.Popen([
            self._pdftocairo, '-cropbox', '-r', '72', '-o', '-png', doc_path,
            out_path
        ],
                              stderr=subprocess.PIPE)
        return self._check_exit_status2(p1, p2, out_path)

    def _create_diff(self, ref_path, result_path):
        self._diff_png(ref_path, result_path)


register_backend('cairo', Cairo)

示例#2

文件： splash.py 项目： rosslagerwall/poppler

#
# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

from backends import Backend, register_backend
import subprocess
import os


class Splash(Backend):
    def __init__(self, name):
        Backend.__init__(self, name, ".diff.png")
        self._pdftoppm = os.path.join(self._utilsdir, "pdftoppm")

    def create_refs(self, doc_path, refs_path):
        out_path = os.path.join(refs_path, "splash")
        p1 = subprocess.Popen(
            [self._pdftoppm, "-cropbox", "-r", "72", "-e", "-png", doc_path, out_path], stderr=subprocess.PIPE
        )
        p2 = subprocess.Popen(
            [self._pdftoppm, "-cropbox", "-r", "72", "-o", "-png", doc_path, out_path], stderr=subprocess.PIPE
        )
        return self._check_exit_status2(p1, p2, out_path)

    def _create_diff(self, ref_path, result_path):
        self._diff_png(ref_path, result_path)


register_backend("splash", Splash)

示例#3

import os


class Text(Backend):
    def __init__(self, name):
        Backend.__init__(self, name)
        self._pdftotext = os.path.join(self._utilsdir, 'pdftotext')

    def create_refs(self, doc_path, refs_path):
        out_path = os.path.join(refs_path, 'text')
        p = subprocess.Popen([self._pdftotext, doc_path, out_path + '.txt'],
                             stderr=subprocess.PIPE)
        return self._check_exit_status(p, out_path)

    def _create_diff(self, ref_path, result_path):
        import difflib

        ref = open(ref_path, 'r')
        result = open(result_path, 'r')
        diff = difflib.unified_diff(ref.readlines(), result.readlines(),
                                    ref_path, result_path)
        ref.close()
        result.close()

        diff_file = open(result_path + '.diff', 'w')
        diff_file.writelines(diff)
        diff_file.close()


register_backend('text', Text)

示例#4

文件： postscript.py 项目： BlueBrain/Poppler

# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

from backends import Backend, register_backend
import subprocess
import os

class PostScript(Backend):

    def __init__(self, name):
        Backend.__init__(self, name)
        self._pdftops = os.path.join(self._utilsdir, 'pdftops');

    def create_refs(self, doc_path, refs_path):
        out_path = os.path.join(refs_path, 'postscript')
        p = subprocess.Popen([self._pdftops, doc_path, out_path + '.ps'], stderr = subprocess.PIPE)
        return self._check_exit_status(p, out_path)

register_backend('postscript', PostScript)

示例#5

文件： splash.py 项目： JamalAbuDayyeh/pdf4ax

from backends import Backend, register_backend
import subprocess
import os


class Splash(Backend):
    def __init__(self, name):
        Backend.__init__(self, name)
        self._pdftoppm = os.path.join(self._utilsdir, 'pdftoppm')

    def create_refs(self, doc_path, refs_path):
        out_path = os.path.join(refs_path, 'splash')
        p1 = subprocess.Popen([
            self._pdftoppm, '-cropbox', '-r', '72', '-e', '-png', doc_path,
            out_path
        ],
                              stderr=subprocess.PIPE)
        p2 = subprocess.Popen([
            self._pdftoppm, '-cropbox', '-r', '72', '-o', '-png', doc_path,
            out_path
        ],
                              stderr=subprocess.PIPE)
        return self._check_exit_status2(p1, p2, out_path)

    def _create_diff(self, ref_path, result_path):
        self._diff_png(ref_path, result_path)


register_backend('splash', Splash)

示例#6

文件： splash.py 项目： Distrotech/poppler

# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

from backends import Backend, register_backend
import subprocess
import os

class Splash(Backend):

    def __init__(self, name):
        Backend.__init__(self, name, '.diff.png')
        self._pdftoppm = os.path.join(self._utilsdir, 'pdftoppm');

    def create_refs(self, doc_path, refs_path, password = None):
        out_path = os.path.join(refs_path, 'splash')
        cmd = [self._pdftoppm, '-cropbox', '-r', '72', '-png', doc_path, out_path]
        if password is not None:
            cmd.extend(['-opw', password, '-upw', password])
        p = subprocess.Popen(cmd, stderr = subprocess.PIPE)
        return self._check_exit_status(p, out_path)

    def _create_diff(self, ref_path, result_path):
        self._diff_png(ref_path, result_path)

register_backend('splash', Splash)

示例#7

文件： cairo.py 项目： Distrotech/poppler

# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

from backends import Backend, register_backend
import subprocess
import os

class Cairo(Backend):

    def __init__(self, name):
        Backend.__init__(self, name, '.diff.png')
        self._pdftocairo = os.path.join(self._utilsdir, 'pdftocairo');

    def create_refs(self, doc_path, refs_path, password = None):
        out_path = os.path.join(refs_path, 'cairo')
        cmd = [self._pdftocairo, '-cropbox', '-r', '72', '-png', doc_path, out_path]
        if password is not None:
            cmd.extend(['-opw', password, '-upw', password])
        p = subprocess.Popen(cmd, stderr = subprocess.PIPE)
        return self._check_exit_status(p, out_path)

    def _create_diff(self, ref_path, result_path):
        self._diff_png(ref_path, result_path)

register_backend('cairo', Cairo)

示例#8

文件： text.py 项目： JamalAbuDayyeh/pdf4ax

from backends import Backend, register_backend
import subprocess
import os

class Text(Backend):

    def __init__(self, name):
        Backend.__init__(self, name)
        self._pdftotext = os.path.join(self._utilsdir, 'pdftotext');

    def create_refs(self, doc_path, refs_path):
        out_path = os.path.join(refs_path, 'text')
        p = subprocess.Popen([self._pdftotext, doc_path, out_path + '.txt'], stderr = subprocess.PIPE)
        return self._check_exit_status(p, out_path)

    def _create_diff(self, ref_path, result_path):
        import difflib

        ref = open(ref_path, 'r')
        result = open(result_path, 'r')
        diff = difflib.unified_diff(ref.readlines(), result.readlines(), ref_path, result_path)
        ref.close()
        result.close()

        diff_file = open(result_path + '.diff', 'w')
        diff_file.writelines(diff)
        diff_file.close()

register_backend('text', Text)

示例#9

文件： postscript.py 项目： oncaphillis/poppler-agg

# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

from backends import Backend, register_backend
import subprocess
import os


class PostScript(Backend):
    def __init__(self, name):
        Backend.__init__(self, name)
        self._pdftops = os.path.join(self._utilsdir, 'pdftops')

    def create_refs(self, doc_path, refs_path):
        out_path = os.path.join(refs_path, 'postscript')
        p = subprocess.Popen([self._pdftops, doc_path, out_path + '.ps'],
                             stderr=subprocess.PIPE)
        return self._check_exit_status(p, out_path)


register_backend('postscript', PostScript)