def pair_pages(self):
"""
construct an empty pdf file object and append as many blank pages to
the end to pair the pages.
"""
paired_pages = PdfFileWriter()
for page in PdfFileReader(file(self.job.pdf_file, "rb")).pages:
paired_pages.addPage(page)
# while paired_pages.getNumPages() % 4 != 0:
# paired_pages.addBlankPage()
return paired_pages
def get_pdf(self, text, use_design=False):
"""
Given the text, produces an A4 blank PDF with the text put in the
position given by the tranlsation box.
:param text: Text to put inside a translation box
:param use_design: Set to true to use a design in the background
:return: Rendered PDF
:rtype: pypdf.PdfFileReader if use_design is False or PdfFileWriter
"""
self.ensure_one()
packet = StringIO.StringIO()
can = Canvas(packet, bottomup=0)
text_wrap = self._wrap_text(text, can._fontname, can._fontsize)
top = self.top * inch
left = self.left * inch
for line in text_wrap[:self.nb_lines + 1]:
can.drawString(left, top, line)
top += can._leading
can.save()
# Move to the beginning of the StringIO buffer
packet.seek(0)
remaining = ''
if len(text_wrap) > self.nb_lines:
remaining = ' '.join(text_wrap[self.nb_lines + 1:])
out_pdf = PdfFileReader(packet)
if use_design:
design_pdf_path = self.env['ir.config_parameter'].get_param(
'sbc_compassion.composition_design')
if design_pdf_path:
design_pdf = PdfFileReader(file(design_pdf_path, 'rb'))
page = design_pdf.getPage(0)
page.mergePage(out_pdf.getPage(0))
out_pdf = PdfFileWriter()
out_pdf.addPage(page)
return out_pdf, remaining
def processFile(pdfFileNameIn, pdfFileNameOut):
pdfFile = readTheFile(pdfFileNameIn)
columns = verticalColumns(pdfFile, 2)
writer = PdfFileWriter()
outputStream = file(pdfFileNameOut, "wb")
splitWithColumns(pdfFile.pages, columns, writer, outputStream)
outputStream.close()
def preview(self):
""" Generate a picture for preview.
"""
pdf = self._get_pdf(self.sponsorship_ids[0], preview=True)
if self.s2b_template_id.layout == 'CH-A-3S01-1':
# Read page 2
in_pdf = PdfFileReader(BytesIO(pdf))
output_pdf = PdfFileWriter()
out_data = BytesIO()
output_pdf.addPage(in_pdf.getPage(1))
output_pdf.write(out_data)
out_data.seek(0)
pdf = out_data.read()
with Image(blob=pdf) as pdf_image:
preview = base64.b64encode(pdf_image.make_blob(format='jpeg'))
return self.write({'state': 'preview', 'preview_image': preview})
def create(self, vals):
""" Create a message for sending the CommKit after be translated on
the local translate plaform.
"""
if vals.get('direction') == "Beneficiary To Supporter":
correspondence = super(Correspondence, self).create(vals)
else:
sponsorship = self.env['recurring.contract'].browse(
vals['sponsorship_id'])
original_lang = self.env['res.lang.compassion'].browse(
vals.get('original_language_id'))
# TODO Remove this fix when HAITI case is resolved
# For now, we switch French to Creole for avoiding translation
if 'HA' in sponsorship.child_id.local_id:
french = self.env.ref(
'child_compassion.lang_compassion_french')
creole = self.env.ref(
'child_compassion.lang_compassion_haitien_creole')
if original_lang == french:
vals['original_language_id'] = creole.id
if original_lang.translatable and original_lang not in sponsorship\
.child_id.project_id.field_office_id.spoken_language_ids:
correspondence = super(
Correspondence,
self.with_context(no_comm_kit=True)).create(vals)
correspondence.send_local_translate()
else:
correspondence = super(Correspondence, self).create(vals)
# Swap pages for L3 layouts as we scan in wrong order
if correspondence.template_id.layout == 'CH-A-3S01-1' and \
correspondence.source != 'compassion':
input_pdf = PdfFileReader(
BytesIO(base64.b64decode(correspondence.letter_image)))
output_pdf = PdfFileWriter()
nb_pages = input_pdf.numPages
if nb_pages >= 2:
output_pdf.addPage(input_pdf.getPage(1))
output_pdf.addPage(input_pdf.getPage(0))
if nb_pages > 2:
for i in range(2, nb_pages):
output_pdf.addPage(input_pdf.getPage(i))
letter_data = BytesIO()
output_pdf.write(letter_data)
letter_data.seek(0)
correspondence.write(
{'letter_image': base64.b64encode(letter_data.read())})
return correspondence
def generate_files(self, pages, front_side_pages, back_side_pages):
"""
scale each two pages to fit into one sheet, construct the document
and write out two files: the front side and the back side files.
"""
front_output = PdfFileWriter()
back_output = PdfFileWriter()
size = 841 / 2
num_pages = pages.getNumPages()
for index, page in enumerate(front_side_pages):
#(w, h) = page_model.mediaBox.upperRight
page_model = PageObject.createBlankPage(width=841, height=595)
page_model.mergeScaledTranslatedPage(pages.getPage(page[0]), tx=0, ty=0, scale=0.7)
page_model.mergeScaledTranslatedPage(pages.getPage(page[1]), tx=size, ty=0, scale=0.7)
front_output.addPage(page_model)
ProgressStatus.message = "Processing front pages ... (%s of %s)" % (index, num_pages / 4)
ProgressStatus.percentage = float(index) / float(pages.getNumPages() / 4) * 50
if self.exiting: return
for index, page in enumerate(back_side_pages):
page_model = PageObject.createBlankPage(width=841, height=595)
page_model.mergeScaledTranslatedPage(pages.getPage(page[0]), tx=0, ty=0, scale=0.7)
page_model.mergeScaledTranslatedPage(pages.getPage(page[1]), tx=size, ty=0, scale=0.7)
back_output.addPage(page_model)
ProgressStatus.message = "Processing back pages ... (%s of %s)" % (index, num_pages / 4)
ProgressStatus.percentage = float(index) / float(pages.getNumPages() / 4) * 50 + 50
if self.exiting: return
with file(path.join(self.job.directory, "(front_side_pages) " + path.basename(self.job.pdf_file)), "wb") as stream:
ProgressStatus.message = "Writing files..."
front_output.write(stream)
with file(path.join(self.job.directory, "(back_side_pages) " + path.basename(self.job.pdf_file)), "wb") as stream:
ProgressStatus.message = "Writing files..."
back_output.write(stream)
ProgressStatus.message = "Finished"
ProgressStatus.percentage = 100
def create(self, vals):
""" Create a message for sending the CommKit after be translated on
the local translate plaform.
"""
if vals.get('direction') == "Beneficiary To Supporter":
correspondence = super(Correspondence, self).create(vals)
else:
sponsorship = self.env['recurring.contract'].browse(
vals['sponsorship_id'])
original_lang = self.env['res.lang.compassion'].browse(
vals.get('original_language_id'))
# TODO Remove this fix when HAITI case is resolved
# For now, we switch French to Creole for avoiding translation
if 'HA' in sponsorship.child_id.local_id:
french = self.env.ref(
'child_compassion.lang_compassion_french')
creole = self.env.ref(
'child_compassion.lang_compassion_haitien_creole')
if original_lang == french:
vals['original_language_id'] = creole.id
if original_lang.translatable and original_lang not in sponsorship\
.child_id.project_id.field_office_id.spoken_language_ids:
correspondence = super(Correspondence, self.with_context(
no_comm_kit=True)).create(vals)
correspondence.send_local_translate()
else:
correspondence = super(Correspondence, self).create(vals)
# Swap pages for L3 layouts as we scan in wrong order
if correspondence.template_id.layout == 'CH-A-3S01-1' and \
correspondence.source != 'compassion':
input_pdf = PdfFileReader(BytesIO(base64.b64decode(
correspondence.letter_image)))
output_pdf = PdfFileWriter()
nb_pages = input_pdf.numPages
if nb_pages >= 2:
output_pdf.addPage(input_pdf.getPage(1))
output_pdf.addPage(input_pdf.getPage(0))
if nb_pages > 2:
for i in range(2, nb_pages):
output_pdf.addPage(input_pdf.getPage(i))
letter_data = BytesIO()
output_pdf.write(letter_data)
letter_data.seek(0)
correspondence.write({
'letter_image': base64.b64encode(letter_data.read())
})
return correspondence
def dice(inpdf, ncols, nrows, crop=0, overlap=0.05):
"""Dice each page in the PDF file into a number of sub-pages.
Inputs: inpdf The pyPdf.PdfFileReader to be diced.
ncols Each page will be diced into ncols columns and
nrows nrows rows.
crop The amount to crop from the edges of page in
Postscript points (1/72 in). Either a number or
as list of 1, 2 (horizontal, vertical), or 4
(left, bottom, right, top) numbers.
overlap The amount of overlap for the sub-pages, as a
percentage of the cropped page size. Either a
float or a list of two floats for the horizontal
and vertical overlaps.
Output: outpdf A pyPdf.PdfFileWriter for the diced PDF.
dice_map A list of tuples, one for each page in outpdf.
Each tuple is of the form (page, bbox), where
page is the page in inpdf and bbox a tuple of
length 4 giving the bounding box that specifies
the diced page on the original page.
"""
if isinstance(crop, (float, int)):
crop = (crop, )
if len(crop) == 1:
crop = (crop[0], crop[0], crop[0], crop[0])
elif len(crop) == 2:
crop = (crop[0], crop[1], crop[0], crop[1])
elif len(crop) != 4:
raise ValueError, "crop must be length 1, 2, or 4."
if isinstance(overlap, (float, int)):
overlap = (overlap, overlap)
if len(overlap) == 1:
overlap = (overlap[0], overlap[0])
outpdf = PdfFileWriter()
dice_map = []
for i, page in enumerate(inpdf.pages):
bboxes = dice_page(outpdf, page, ncols, nrows, crop, overlap)
for bbox in bboxes:
dice_map.append((i, bbox))
return outpdf, dice_map
def pair_pages(self):
"""
construct an empty pdf file object and append as many blank pages to
the end to pair the pages.
"""
paired_pages = PdfFileWriter()
for page in PdfFileReader(file(self.job.pdf_file, "rb")).pages:
paired_pages.addPage(page)
while paired_pages.getNumPages() % 4 != 0:
paired_pages.addBlankPage()
return paired_pages
def preview(self):
""" Generate a picture for preview.
"""
pdf = self._get_pdf(self.sponsorship_ids[0], preview=True)
if self.s2b_template_id.layout == 'CH-A-3S01-1':
# Read page 2
in_pdf = PdfFileReader(BytesIO(pdf))
output_pdf = PdfFileWriter()
out_data = BytesIO()
output_pdf.addPage(in_pdf.getPage(1))
output_pdf.write(out_data)
out_data.seek(0)
pdf = out_data.read()
with Image(blob=pdf) as pdf_image:
preview = base64.b64encode(pdf_image.make_blob(format='jpeg'))
return self.write({'state': 'preview', 'preview_image': preview})
def mergePdf(self):
# self.threadPdfWritingStatus.emit(
# '<font size=4><b>Method "%s": </b></font><b>Setting Title for</b> %s<b>. Please Wait...</b><br />' % (
# self.groupType, self.url))
self.threadPdfWritingStatus.emit(
'<b>Setting Title for</b> %s<b>. Please Wait...</b><br />' % self.url)
packet = StringIO()
# create a new PDF with Reportlab
pdfCanvas = canvas.Canvas(packet, pagesize=A4)
pdfCanvas.setFont('Helvetica', 8)
if len(self.title) is 0:
self.title = str(self.url).split('/')[-1]
self.title = self.regex.getSearchedData('(?i)([a-zA-Z0-9-_ ]*?)\.[a-zA-Z0-9_]*$', self.title)
self.title = self.regex.replaceData('(?i)_', ' ', self.title)
title = unicode(self.title[:57] + '...') if (len(self.title) > 60) else unicode(self.title)
url = self.url[:57] + '...' if (len(self.title) > 60) else self.url
pdfCanvas.drawString(5, 830, title + ' ' + str(url).lower())
d = datetime.datetime.now()
strDate = str(d.strftime("%Y-%m-%d %H-%M-%S %p"))
pdfCanvas.drawString(420, 5, 'Created Date Time: ' + strDate)
pdfCanvas.save()
packet.seek(0)
newPdf = PdfFileReader(packet)
if not os.path.exists(self.tempPdfFile):
return self.printWebHtmlToPdf(self.url, self.filePath, self.fileName)
writer = PdfFileWriter()
tmpPdfFile = file(self.tempPdfFile, 'rb')
reader = PdfFileReader(tmpPdfFile)
for i in range(0, (reader.getNumPages())):
page = reader.getPage(i)
page.mergePage(newPdf.getPage(0))
# page = newPdf.getPage(0)
# page.mergePage(reader.getPage(i))
writer.addPage(page)
print 'Filename: ' + self.fileName
outputStream = file(self.filePath + self.fileName, "wb")
writer.write(outputStream)
outputStream.close()
tmpPdfFile.close()
os.remove(str(self.tempPdfFile))
def generate_files(self, pages, front_side_pages, back_side_pages):
"""
scale each two pages to fit into one sheet, construct the document
and write out two files: the front side and the back side files.
"""
front_output = PdfFileWriter()
back_output = PdfFileWriter()
size = 841 / 2
num_pages = pages.getNumPages()
for index, page in enumerate(front_side_pages):
#(w, h) = page_model.mediaBox.upperRight
page_model = PageObject.createBlankPage(width=841, height=595)
page_model.mergeScaledTranslatedPage(pages.getPage(page[0]),
tx=0,
ty=0,
scale=0.7)
page_model.mergeScaledTranslatedPage(pages.getPage(page[1]),
tx=size,
ty=0,
scale=0.7)
front_output.addPage(page_model)
ProgressStatus.message = "Processing front pages ... (%s of %s)" % (
index, num_pages / 4)
ProgressStatus.percentage = float(index) / float(
pages.getNumPages() / 4) * 50
if self.exiting: return
for index, page in enumerate(back_side_pages):
page_model = PageObject.createBlankPage(width=841, height=595)
page_model.mergeScaledTranslatedPage(pages.getPage(page[0]),
tx=0,
ty=0,
scale=0.7)
page_model.mergeScaledTranslatedPage(pages.getPage(page[1]),
tx=size,
ty=0,
scale=0.7)
back_output.addPage(page_model)
ProgressStatus.message = "Processing back pages ... (%s of %s)" % (
index, num_pages / 4)
ProgressStatus.percentage = float(index) / float(
pages.getNumPages() / 4) * 50 + 50
if self.exiting: return
with file(
path.join(
self.job.directory,
"(front_side_pages) " + path.basename(self.job.pdf_file)),
"wb") as stream:
ProgressStatus.message = "Writing files..."
front_output.write(stream)
with file(
path.join(
self.job.directory,
"(back_side_pages) " + path.basename(self.job.pdf_file)),
"wb") as stream:
ProgressStatus.message = "Writing files..."
back_output.write(stream)
ProgressStatus.message = "Finished"
ProgressStatus.percentage = 100
def save_page(page, file_path): output = PdfFileWriter() output.addPage(page) f = open(file_path, "wb") output.write(f) f.close()
from pyPdf.pdf import PdfFileWriter, PdfFileReader
from
if __name__ == '__main__':
output = PdfFileWriter()
input1 = PdfFileReader('D:\Anaconda\workspace\\vtk_bucket\\1.pdf')
print('ok')
