def concat_pdfs_gs(destination, *pdfs):
"""Concatenate all the named PDFs."""
cmd = ['gs']
cmd += ['-dBATCH', '-dNOPAUSE', '-sDEVICE=pdfwrite']
cmd += ['-sOutputFile=%s' % destination, '-f']
cmd.extend(x for x in pdfs if x is not None)
run(cmd)
def reshape_pdf(self, pdf, dir=config.DEFAULT_DIR, centre_start=False,
centre_end=False, even_pages=True):
"""Spin the pdf for RTL text, resize it to the right size, and
shift the gutter left and right"""
ops = []
if self.gutter:
ops.append('shift')
if even_pages:
ops.append('even_pages')
gutter = self.gutter
if dir == 'RTL':
gutter = -gutter
if not ops:
return
os.putenv("OBJAVI_SCRIPT_DIR", config.SCRIPT_DIR)
cmd = ['pdfedit', '-s', '%s/wk_objavi.qs' % config.SCRIPT_DIR,
'dir=%s' % dir,
'filename=%s' % pdf,
'output_filename=%s' % pdf,
'operation=%s' % ','.join(ops),
'width=%s' % self.width,
'height=%s' % self.height,
'offset=%s' % gutter,
'centre_start=%s' % centre_start,
'centre_end=%s' % centre_end,
]
run(cmd)
def concat_pdfs_gs(destination, *pdfs):
"""Concatenate all the named PDFs."""
cmd = ['gs']
cmd += ['-dBATCH', '-dNOPAUSE', '-sDEVICE=pdfwrite']
cmd += ['-sOutputFile=%s' % destination, '-f']
cmd.extend(x for x in pdfs if x is not None)
run(cmd)
def reshape_pdf(self, pdf, dir=config.DEFAULT_DIR, centre_start=False,
centre_end=False, even_pages=True):
"""Spin the pdf for RTL text, resize it to the right size, and
shift the gutter left and right"""
ops = []
if self.gutter:
ops.append('shift')
if even_pages:
ops.append('even_pages')
gutter = self.gutter
if dir == 'RTL':
gutter = -gutter
if not ops:
return
cmd = ['pdfedit', '-s', 'wk_objavi.qs',
'dir=%s' % dir,
'filename=%s' % pdf,
'output_filename=%s' % pdf,
'operation=%s' % ','.join(ops),
'width=%s' % self.width,
'height=%s' % self.height,
'offset=%s' % gutter,
'centre_start=%s' % centre_start,
'centre_end=%s' % centre_end,
]
run(cmd)
def render(html_path, pdf_path, **kwargs):
"""Creates a book PDF from the provided HTML document.
"""
program = "renderer"
params = [
"-platform", "xcb",
"-output", pdf_path,
]
if kwargs.has_key("page_config"):
params += ["-page-config", kwargs.get("page_config")]
custom_css_file = None
custom_css_text = kwargs.get("custom_css")
if custom_css_text:
custom_css_file = tempfile.NamedTemporaryFile(prefix="renderer-", suffix=".css", delete=True)
custom_css_file.write(custom_css_text)
custom_css_file.flush()
params += ["-custom-css", custom_css_file.name]
cmd = [ program ] + params + [ html_path ]
try:
book_utils.run(cmd)
finally:
if custom_css_file:
custom_css_file.close()
def rotate_pdf(pdfin, pdfout):
"""Turn the PDF on its head"""
cmd = ['pdftk', pdfin,
'cat',
'1-endD',
'output',
pdfout
]
run(cmd)
def rotate_pdf(pdfin, pdfout):
"""Turn the PDF on its head"""
cmd = ['pdftk', pdfin,
'cat',
'1-endD',
'output',
pdfout
]
run(cmd)
def resize_pdf(pdf, width, height):
ops = ["resize"]
cmd = ["pdfedit",
"-s", "wk_objavi.qs",
'filename=%s' % pdf,
'output_filename=%s' % pdf,
'operation=%s' % ','.join(ops),
'width=%s' % width,
'height=%s' % height,
]
run(cmd)
def resize_pdf(pdf, width, height):
ops = ["resize"]
cmd = ["pdfedit",
"-s", "scripts/wk_objavi.qs",
'filename=%s' % pdf,
'output_filename=%s' % pdf,
'operation=%s' % ','.join(ops),
'width=%s' % width,
'height=%s' % height,
]
run(cmd)
def make_cover_pdf(self, html_path, pdf_path):
width = self.width * POINT_2_MM
height = self.height * POINT_2_MM
args = [
"-T", "0",
"-B", "0",
"-L", "0",
"-R", "0",
"--page-width", repr(width),
"--page-height", repr(height),
]
cmd = [config.WKHTMLTOPDF] + args + [html_path, pdf_path]
run(cmd)
def make_cover_pdf(self, pdf, spine_width):
width = self.width * POINT_2_MM
height = self.height * POINT_2_MM
spine_width = spine_width * POINT_2_MM
# XXX for now makes a blank cover
cmd = [config.WKHTMLTOPDF,
"-q",
"--page-width", str(2 * width + spine_width),
"--page-height", str(height),
"--load-error-handling", "ignore",
"/dev/zero", pdf
]
run(cmd)
def make_cover_pdf(self, html_path, pdf_path):
width = self.width * POINT_2_MM
height = self.height * POINT_2_MM
args = [
"-T",
"0",
"-B",
"0",
"-L",
"0",
"-R",
"0",
"--page-width",
repr(width),
"--page-height",
repr(height),
]
cmd = [config.WKHTMLTOPDF] + args + [html_path, pdf_path]
run(cmd)
def embed_all_fonts(pdf_file):
tmp_file = pdf_file + '.pre-embed.pdf'
os.rename(pdf_file, tmp_file)
cmd = ['gs', '-q', # no messages to stdout
'-dSAFER', # read-only
'-dNOPLATFONTS', # no platform fonts
'-dNOPAUSE', # don't prompt user
'-dBATCH', # ? undocumented
'-sDEVICE=pdfwrite',
#'-sPAPERSIZE=letter',
'-dCompatibilityLevel=1.4', # pdf v4
'-dPDFSETTINGS=/printer', # "printer optimised" pdf
'-dMaxSubsetPct=100', # Always use a subset font
'-dSubsetFonts=false', # never use a subset font (overrides above)
'-dEmbedAllFonts=true', # As it says
#'-sOutputFile=-', # write to stdout
'-sOutputFile=%s' %(pdf_file), # write to file
#could also use -dPDFX to make PDF/X3
#'-f', # ?
'--',
] + [tmp_file]
run(cmd)
def embed_all_fonts(pdf_file):
tmp_file = pdf_file + '.pre-embed.pdf'
os.rename(pdf_file, tmp_file)
cmd = ['gs', '-q', # no messages to stdout
'-dSAFER', # read-only
'-dNOPLATFONTS', # no platform fonts
'-dNOPAUSE', # don't prompt user
'-dBATCH', # ? undocumented
'-sDEVICE=pdfwrite',
#'-sPAPERSIZE=letter',
'-dCompatibilityLevel=1.4', # pdf v4
'-dPDFSETTINGS=/printer', # "printer optimised" pdf
'-dMaxSubsetPct=100', # Always use a subset font
'-dSubsetFonts=false', # never use a subset font (overrides above)
'-dEmbedAllFonts=true', # As it says
#'-sOutputFile=-', # write to stdout
'-sOutputFile=%s' %(pdf_file), # write to file
#could also use -dPDFX to make PDF/X3
#'-f', # ?
'--',
] + [tmp_file]
run(cmd)
def make_raw_pdf(self, html, pdf, outline=False, outline_file=None, page_num=None):
if self.columns == 1:
html_url = path2url(html, full=True)
func = getattr(self, '_%s_command' % self.engine)
cmd = func(html_url, pdf, outline=outline, outline_file=outline_file, page_num=page_num)
run(cmd)
else:
#For multiple columns, generate a narrower single column pdf, and
#paste it into columns using pdfnup.
printable_width = self.width - 2.0 * self.side_margin - self.gutter
column_width = (printable_width - (self.columns - 1) * self.column_margin) / self.columns
page_width = column_width + self.column_margin
side_margin = self.column_margin * 0.5
if 'PDFGEN' in config.DEBUG_MODES:
log("making columns with:")
for k, v in locals().iteritems():
log("%s: %r" % (k, v))
for k in ('width', 'side_margin', 'gutter', 'column_margin', 'columns', 'height'):
log("self.%s: %r" % (k, getattr(self, k)))
columnmaker = PageSettings(self.tmpdir, (page_width, self.height),
gutter=0, top_margin=self.top_margin,
side_margin=side_margin,
bottom_margin=self.bottom_margin,
grey_scale=self.grey_scale,
engine=self.engine
)
column_pdf = pdf[:-4] + '-single-column.pdf'
columnmaker.make_raw_pdf(html, column_pdf, outline=outline,
outline_file=outline_file, page_num=None)
columnmaker.reshape_pdf(column_pdf)
# pdfnup seems to round down to an even number of output
# pages. For example, if a book fills 13 pages, it will
# clip it to 12. So it is necessary to add blank pages to
# round it up to an even number of output pages, which is
# to say a multiple of (self.columns * 2) input pages.
column_pages = count_pdf_pages(column_pdf)
overflow_pages = column_pages % (self.columns * 2)
if overflow_pages:
extra_pages = self.columns * 2 - overflow_pages
else:
extra_pages = 0
cmd = [PDFNUP,
'--nup', '%sx1' % int(self.columns),
#'--paper', papersize.lower() + 'paper',
'--outfile', pdf,
'--noautoscale', 'true',
'--orient', 'portrait',
'--paperwidth', '%smm' % int(self.width * POINT_2_MM),
'--paperheight', '%smm' % int(self.height * POINT_2_MM),
#'--tidy', 'false',
'--pages', '1-last%s' % (',{}' * extra_pages,),
#'--columnstrict', 'true',
#'--column', 'true',
column_pdf
]
run(cmd)
def concat_pdfs(destination, *pdfs):
"""Join all the named pdfs together into one and save it as <name>"""
cmd = ['pdftk']
cmd.extend(x for x in pdfs if x is not None)
cmd += ['cat', 'output', destination]
run(cmd)
def concat_pdfs(destination, *pdfs):
"""Join all the named pdfs together into one and save it as <name>"""
cmd = ['pdftk']
cmd.extend(x for x in pdfs if x is not None)
cmd += ['cat', 'output', destination]
run(cmd)
def make_raw_pdf(self, html, pdf, outline=False, outline_file=None, page_num=None):
if self.columns == 1:
html_url = path2url(html)
func = getattr(self, '_%s_command' % self.engine)
cmd = func(html_url, pdf, outline=outline, outline_file=outline_file, page_num=page_num)
run(cmd)
else:
#For multiple columns, generate a narrower single column pdf, and
#paste it into columns using pdfnup.
printable_width = self.width - 2.0 * self.side_margin - self.gutter
column_width = (printable_width - (self.columns - 1) * self.column_margin) / self.columns
page_width = column_width + self.column_margin
side_margin = self.column_margin * 0.5
if 'PDFGEN' in config.DEBUG_MODES:
log("making columns with:")
for k, v in locals().iteritems():
log("%s: %r" % (k, v))
for k in ('width', 'side_margin', 'gutter', 'column_margin', 'columns', 'height'):
log("self.%s: %r" % (k, getattr(self, k)))
columnmaker = PageSettings(self.workdir, (page_width, self.height),
gutter=0, top_margin=self.top_margin,
side_margin=side_margin,
bottom_margin=self.bottom_margin,
grey_scale=self.grey_scale,
engine=self.engine
)
column_pdf = pdf[:-4] + '-single-column.pdf'
columnmaker.make_raw_pdf(html, column_pdf, outline=outline,
outline_file=outline_file, page_num=None)
columnmaker.reshape_pdf(column_pdf)
# pdfnup seems to round down to an even number of output
# pages. For example, if a book fills 13 pages, it will
# clip it to 12. So it is necessary to add blank pages to
# round it up to an even number of output pages, which is
# to say a multiple of (self.columns * 2) input pages.
column_pages = count_pdf_pages(column_pdf)
overflow_pages = column_pages % (self.columns * 2)
if overflow_pages:
extra_pages = self.columns * 2 - overflow_pages
else:
extra_pages = 0
cmd = [config.PDFNUP,
'--nup', '%sx1' % int(self.columns),
#'--paper', papersize.lower() + 'paper',
'--outfile', pdf,
'--noautoscale', 'true',
'--orient', 'portrait',
'--paperwidth', '%smm' % int(self.width * POINT_2_MM),
'--paperheight', '%smm' % int(self.height * POINT_2_MM),
#'--tidy', 'false',
'--pages', '1-last%s' % (',{}' * extra_pages,),
#'--columnstrict', 'true',
#'--column', 'true',
column_pdf
]
run(cmd)
