Python matplotlib.cbook.open_file_cm() Examples

The following are 25 code examples of matplotlib.cbook.open_file_cm(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module matplotlib.cbook , or try the search function .
Example #1
Source File: backend_svg.py    From Mastering-Elasticsearch-7.0 with MIT License 6 votes vote down vote up 
def print_svg(self, filename, *args, **kwargs):
        with cbook.open_file_cm(filename, "w", encoding="utf-8") as fh:

            filename = getattr(fh, 'name', '')
            if not isinstance(filename, str):
                filename = ''

            if cbook.file_requires_unicode(fh):
                detach = False
            else:
                fh = io.TextIOWrapper(fh, 'utf-8')
                detach = True

            result = self._print_svg(filename, fh, **kwargs)

            # Detach underlying stream from wrapper so that it remains open in
            # the caller.
            if detach:
                fh.detach()

        return result
Example #2
Source File: backend_agg.py    From twitter-stock-recommendation with MIT License 6 votes vote down vote up 
def print_png(self, filename_or_obj, *args, **kwargs):
        FigureCanvasAgg.draw(self)
        renderer = self.get_renderer()
        original_dpi = renderer.dpi
        renderer.dpi = self.figure.dpi

        version_str = 'matplotlib version ' + __version__ + \
            ', http://matplotlib.org/'
        metadata = OrderedDict({'Software': version_str})
        user_metadata = kwargs.pop("metadata", None)
        if user_metadata is not None:
            metadata.update(user_metadata)

        try:
            with cbook.open_file_cm(filename_or_obj, "wb") as fh:
                _png.write_png(renderer._renderer, fh,
                               self.figure.dpi, metadata=metadata)
        finally:
            renderer.dpi = original_dpi
Example #3
Source File: backend_svg.py    From GraphicDesignPatternByPython with MIT License 6 votes vote down vote up 
def print_svg(self, filename, *args, **kwargs):
        with cbook.open_file_cm(filename, "w", encoding="utf-8") as fh:

            filename = getattr(fh, 'name', '')
            if not isinstance(filename, str):
                filename = ''

            if cbook.file_requires_unicode(fh):
                detach = False
            else:
                fh = io.TextIOWrapper(fh, 'utf-8')
                detach = True

            result = self._print_svg(filename, fh, **kwargs)

            # Detach underlying stream from wrapper so that it remains open in
            # the caller.
            if detach:
                fh.detach()

        return result
Example #4
Source File: backend_svg.py    From CogAlg with MIT License 6 votes vote down vote up 
def print_svg(self, filename, *args, **kwargs):
        with cbook.open_file_cm(filename, "w", encoding="utf-8") as fh:

            filename = getattr(fh, 'name', '')
            if not isinstance(filename, str):
                filename = ''

            if cbook.file_requires_unicode(fh):
                detach = False
            else:
                fh = io.TextIOWrapper(fh, 'utf-8')
                detach = True

            result = self._print_svg(filename, fh, **kwargs)

            # Detach underlying stream from wrapper so that it remains open in
            # the caller.
            if detach:
                fh.detach()

        return result
Example #5
Source File: backend_svg.py    From python3_ios with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def print_svg(self, filename, *args, **kwargs):
        with cbook.open_file_cm(filename, "w", encoding="utf-8") as fh:

            filename = getattr(fh, 'name', '')
            if not isinstance(filename, str):
                filename = ''

            if cbook.file_requires_unicode(fh):
                detach = False
            else:
                fh = io.TextIOWrapper(fh, 'utf-8')
                detach = True

            result = self._print_svg(filename, fh, **kwargs)

            # Detach underlying stream from wrapper so that it remains open in
            # the caller.
            if detach:
                fh.detach()

        return result
Example #6
Source File: backend_svg.py    From coffeegrindsize with MIT License 6 votes vote down vote up 
def print_svg(self, filename, *args, **kwargs):
        with cbook.open_file_cm(filename, "w", encoding="utf-8") as fh:

            filename = getattr(fh, 'name', '')
            if not isinstance(filename, str):
                filename = ''

            if cbook.file_requires_unicode(fh):
                detach = False
            else:
                fh = io.TextIOWrapper(fh, 'utf-8')
                detach = True

            result = self._print_svg(filename, fh, **kwargs)

            # Detach underlying stream from wrapper so that it remains open in
            # the caller.
            if detach:
                fh.detach()

        return result
Example #7
Source File: backend_svg.py    From twitter-stock-recommendation with MIT License 5 votes vote down vote up 
def print_svgz(self, filename, *args, **kwargs):
        with cbook.open_file_cm(filename, "wb") as fh, \
                gzip.GzipFile(mode='w', fileobj=fh) as gzipwriter:
            return self.print_svg(gzipwriter)
Example #8
Source File: backend_agg.py    From Mastering-Elasticsearch-7.0 with MIT License 5 votes vote down vote up 
def print_raw(self, filename_or_obj, *args, **kwargs):
        FigureCanvasAgg.draw(self)
        renderer = self.get_renderer()
        with cbook._setattr_cm(renderer, dpi=self.figure.dpi), \
                cbook.open_file_cm(filename_or_obj, "wb") as fh:
            fh.write(renderer._renderer.buffer_rgba())
Example #9
Source File: backend_svg.py    From twitter-stock-recommendation with MIT License 5 votes vote down vote up 
def print_svg(self, filename, *args, **kwargs):
        with cbook.open_file_cm(filename, "w", encoding="utf-8") as fh:

            filename = getattr(fh, 'name', '')
            if not isinstance(filename, six.string_types):
                filename = ''

            if cbook.file_requires_unicode(fh):
                detach = False
            else:
                if six.PY3:
                    fh = io.TextIOWrapper(fh, 'utf-8')
                else:
                    fh = codecs.getwriter('utf-8')(fh)
                detach = True

            result = self._print_svg(filename, fh, **kwargs)

            # Detach underlying stream from wrapper so that it remains open in
            # the caller.
            if detach:
                if six.PY3:
                    fh.detach()
                else:
                    fh.reset()
                    fh.stream = io.BytesIO()

        return result
Example #10
Source File: backend_pgf.py    From CogAlg with MIT License 5 votes vote down vote up 
def print_pdf(self, fname_or_fh, *args, **kwargs):
        """Use LaTeX to compile a Pgf generated figure to PDF."""
        if kwargs.get("dryrun", False):
            self._print_pgf_to_fh(None, *args, **kwargs)
            return
        with cbook.open_file_cm(fname_or_fh, "wb") as file:
            self._print_pdf_to_fh(file, *args, **kwargs)
Example #11
Source File: backend_pgf.py    From CogAlg with MIT License 5 votes vote down vote up 
def print_pgf(self, fname_or_fh, *args, **kwargs):
        """
        Output pgf commands for drawing the figure so it can be included and
        rendered in latex documents.
        """
        if kwargs.get("dryrun", False):
            self._print_pgf_to_fh(None, *args, **kwargs)
            return
        with cbook.open_file_cm(fname_or_fh, "w", encoding="utf-8") as file:
            if not cbook.file_requires_unicode(file):
                file = codecs.getwriter("utf-8")(file)
            self._print_pgf_to_fh(file, *args, **kwargs)
Example #12
Source File: backend_svg.py    From CogAlg with MIT License 5 votes vote down vote up 
def print_svgz(self, filename, *args, **kwargs):
        with cbook.open_file_cm(filename, "wb") as fh, \
                gzip.GzipFile(mode='w', fileobj=fh) as gzipwriter:
            return self.print_svg(gzipwriter)
Example #13
Source File: backend_agg.py    From CogAlg with MIT License 5 votes vote down vote up 
def print_raw(self, filename_or_obj, *args, **kwargs):
        FigureCanvasAgg.draw(self)
        renderer = self.get_renderer()
        with cbook._setattr_cm(renderer, dpi=self.figure.dpi), \
                cbook.open_file_cm(filename_or_obj, "wb") as fh:
            fh.write(renderer._renderer.buffer_rgba())
Example #14
Source File: backend_svg.py    From coffeegrindsize with MIT License 5 votes vote down vote up 
def print_svgz(self, filename, *args, **kwargs):
        with cbook.open_file_cm(filename, "wb") as fh, \
                gzip.GzipFile(mode='w', fileobj=fh) as gzipwriter:
            return self.print_svg(gzipwriter)
Example #15
Source File: backend_agg.py    From coffeegrindsize with MIT License 5 votes vote down vote up 
def print_raw(self, filename_or_obj, *args, **kwargs):
        FigureCanvasAgg.draw(self)
        renderer = self.get_renderer()
        with cbook._setattr_cm(renderer, dpi=self.figure.dpi), \
                cbook.open_file_cm(filename_or_obj, "wb") as fh:
            fh.write(renderer._renderer.buffer_rgba())
Example #16
Source File: backend_svg.py    From python3_ios with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def print_svgz(self, filename, *args, **kwargs):
        with cbook.open_file_cm(filename, "wb") as fh, \
                gzip.GzipFile(mode='w', fileobj=fh) as gzipwriter:
            return self.print_svg(gzipwriter)
Example #17
Source File: backend_agg.py    From python3_ios with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def print_raw(self, filename_or_obj, *args, **kwargs):
        FigureCanvasAgg.draw(self)
        renderer = self.get_renderer()
        with cbook._setattr_cm(renderer, dpi=self.figure.dpi), \
                cbook.open_file_cm(filename_or_obj, "wb") as fh:
            fh.write(renderer._renderer.buffer_rgba())
Example #18
Source File: backend_svg.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def print_svgz(self, filename, *args, **kwargs):
        with cbook.open_file_cm(filename, "wb") as fh, \
                gzip.GzipFile(mode='w', fileobj=fh) as gzipwriter:
            return self.print_svg(gzipwriter)
Example #19
Source File: backend_agg.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def print_raw(self, filename_or_obj, *args, **kwargs):
        FigureCanvasAgg.draw(self)
        renderer = self.get_renderer()
        with cbook._setattr_cm(renderer, dpi=self.figure.dpi), \
                cbook.open_file_cm(filename_or_obj, "wb") as fh:
            fh.write(renderer._renderer.buffer_rgba())
Example #20
Source File: backend_pgf.py    From Mastering-Elasticsearch-7.0 with MIT License 5 votes vote down vote up 
def print_pdf(self, fname_or_fh, *args, **kwargs):
        """Use LaTeX to compile a Pgf generated figure to PDF."""
        if kwargs.get("dryrun", False):
            self._print_pgf_to_fh(None, *args, **kwargs)
            return
        with cbook.open_file_cm(fname_or_fh, "wb") as file:
            self._print_pdf_to_fh(file, *args, **kwargs)
Example #21
Source File: backend_pgf.py    From Mastering-Elasticsearch-7.0 with MIT License 5 votes vote down vote up 
def print_pgf(self, fname_or_fh, *args, **kwargs):
        """
        Output pgf commands for drawing the figure so it can be included and
        rendered in latex documents.
        """
        if kwargs.get("dryrun", False):
            self._print_pgf_to_fh(None, *args, **kwargs)
            return
        with cbook.open_file_cm(fname_or_fh, "w", encoding="utf-8") as file:
            if not cbook.file_requires_unicode(file):
                file = codecs.getwriter("utf-8")(file)
            self._print_pgf_to_fh(file, *args, **kwargs)
Example #22
Source File: backend_svg.py    From Mastering-Elasticsearch-7.0 with MIT License 5 votes vote down vote up 
def print_svgz(self, filename, *args, **kwargs):
        with cbook.open_file_cm(filename, "wb") as fh, \
                gzip.GzipFile(mode='w', fileobj=fh) as gzipwriter:
            return self.print_svg(gzipwriter)
Example #23
Source File: backend_agg.py    From coffeegrindsize with MIT License 4 votes vote down vote up 
def print_png(self, filename_or_obj, *args, **kwargs):
        """
        Write the figure to a PNG file.

        Parameters
        ----------
        filename_or_obj : str or PathLike or file-like object
            The file to write to.

        metadata : dict, optional
            Metadata in the PNG file as key-value pairs of bytes or latin-1
            encodable strings.
            According to the PNG specification, keys must be shorter than 79
            chars.

            The `PNG specification`_ defines some common keywords that may be
            used as appropriate:

            - Title: Short (one line) title or caption for image.
            - Author: Name of image's creator.
            - Description: Description of image (possibly long).
            - Copyright: Copyright notice.
            - Creation Time: Time of original image creation
              (usually RFC 1123 format).
            - Software: Software used to create the image.
            - Disclaimer: Legal disclaimer.
            - Warning: Warning of nature of content.
            - Source: Device used to create the image.
            - Comment: Miscellaneous comment;
              conversion from other image format.

            Other keywords may be invented for other purposes.

            If 'Software' is not given, an autogenerated value for matplotlib
            will be used.

            For more details see the `PNG specification`_.

            .. _PNG specification: \
                https://www.w3.org/TR/2003/REC-PNG-20031110/#11keywords

        """
        FigureCanvasAgg.draw(self)
        renderer = self.get_renderer()

        version_str = (
            'matplotlib version ' + __version__ + ', http://matplotlib.org/')
        metadata = OrderedDict({'Software': version_str})
        user_metadata = kwargs.pop("metadata", None)
        if user_metadata is not None:
            metadata.update(user_metadata)

        with cbook._setattr_cm(renderer, dpi=self.figure.dpi), \
                cbook.open_file_cm(filename_or_obj, "wb") as fh:
            _png.write_png(renderer._renderer, fh,
                            self.figure.dpi, metadata=metadata)
Example #24
Source File: backend_agg.py    From python3_ios with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
def print_png(self, filename_or_obj, *args, **kwargs):
        """
        Write the figure to a PNG file.

        Parameters
        ----------
        filename_or_obj : str or PathLike or file-like object
            The file to write to.

        metadata : dict, optional
            Metadata in the PNG file as key-value pairs of bytes or latin-1
            encodable strings.
            According to the PNG specification, keys must be shorter than 79
            chars.

            The `PNG specification`_ defines some common keywords that may be
            used as appropriate:

            - Title: Short (one line) title or caption for image.
            - Author: Name of image's creator.
            - Description: Description of image (possibly long).
            - Copyright: Copyright notice.
            - Creation Time: Time of original image creation
              (usually RFC 1123 format).
            - Software: Software used to create the image.
            - Disclaimer: Legal disclaimer.
            - Warning: Warning of nature of content.
            - Source: Device used to create the image.
            - Comment: Miscellaneous comment;
              conversion from other image format.

            Other keywords may be invented for other purposes.

            If 'Software' is not given, an autogenerated value for matplotlib
            will be used.

            For more details see the `PNG specification`_.

            .. _PNG specification: \
                https://www.w3.org/TR/2003/REC-PNG-20031110/#11keywords

        """
        FigureCanvasAgg.draw(self)
        renderer = self.get_renderer()

        version_str = (
            'matplotlib version ' + __version__ + ', http://matplotlib.org/')
        metadata = OrderedDict({'Software': version_str})
        user_metadata = kwargs.pop("metadata", None)
        if user_metadata is not None:
            metadata.update(user_metadata)

        with cbook._setattr_cm(renderer, dpi=self.figure.dpi), \
                cbook.open_file_cm(filename_or_obj, "wb") as fh:
            _png.write_png(renderer._renderer, fh,
                            self.figure.dpi, metadata=metadata)
Example #25
Source File: backend_agg.py    From GraphicDesignPatternByPython with MIT License 4 votes vote down vote up 
def print_png(self, filename_or_obj, *args, **kwargs):
        """
        Write the figure to a PNG file.

        Parameters
        ----------
        filename_or_obj : str or PathLike or file-like object
            The file to write to.

        metadata : dict, optional
            Metadata in the PNG file as key-value pairs of bytes or latin-1
            encodable strings.
            According to the PNG specification, keys must be shorter than 79
            chars.

            The `PNG specification`_ defines some common keywords that may be
            used as appropriate:

            - Title: Short (one line) title or caption for image.
            - Author: Name of image's creator.
            - Description: Description of image (possibly long).
            - Copyright: Copyright notice.
            - Creation Time: Time of original image creation
              (usually RFC 1123 format).
            - Software: Software used to create the image.
            - Disclaimer: Legal disclaimer.
            - Warning: Warning of nature of content.
            - Source: Device used to create the image.
            - Comment: Miscellaneous comment;
              conversion from other image format.

            Other keywords may be invented for other purposes.

            If 'Software' is not given, an autogenerated value for matplotlib
            will be used.

            For more details see the `PNG specification`_.

            .. _PNG specification: \
                https://www.w3.org/TR/2003/REC-PNG-20031110/#11keywords

        """
        FigureCanvasAgg.draw(self)
        renderer = self.get_renderer()

        version_str = (
            'matplotlib version ' + __version__ + ', http://matplotlib.org/')
        metadata = OrderedDict({'Software': version_str})
        user_metadata = kwargs.pop("metadata", None)
        if user_metadata is not None:
            metadata.update(user_metadata)

        with cbook._setattr_cm(renderer, dpi=self.figure.dpi), \
                cbook.open_file_cm(filename_or_obj, "wb") as fh:
            _png.write_png(renderer._renderer, fh,
                            self.figure.dpi, metadata=metadata)