SP/web2py/gluon/contrib/markmin/markmin2pdf.py
Saturneic 064f602b1a Add.
2018-10-25 23:33:13 +08:00

133 lines
3.6 KiB
Python

"""
Created by Massimo Di Pierro
License BSD
"""
from __future__ import print_function
import subprocess
import os
import os.path
import re
import sys
from tempfile import mkstemp, mkdtemp, NamedTemporaryFile
from gluon.contrib.markmin.markmin2latex import markmin2latex
__all__ = ['markmin2pdf']
def removeall(path):
ERROR_STR = """Error removing %(path)s, %(error)s """
def rmgeneric(path, __func__):
try:
__func__(path)
except OSError as xxx_todo_changeme:
(errno, strerror) = xxx_todo_changeme.args
print(ERROR_STR % {'path': path, 'error': strerror})
files = [path]
while files:
file = files[0]
if os.path.isfile(file):
f = os.remove
rmgeneric(file, os.remove)
del files[0]
elif os.path.isdir(file):
nested = os.listdir(file)
if not nested:
rmgeneric(file, os.rmdir)
del files[0]
else:
files = [os.path.join(file, x) for x in nested] + files
def latex2pdf(latex, pdflatex='pdflatex', passes=3):
"""
calls pdflatex in a tempfolder
Arguments:
- pdflatex: path to the pdflatex command. Default is just 'pdflatex'.
- passes: defines how often pdflates should be run in the texfile.
"""
pdflatex = pdflatex
passes = passes
warnings = []
# setup the envoriment
tmpdir = mkdtemp()
texfile = open(tmpdir + '/test.tex', 'wt',encoding="utf-8")
texfile.write(latex)
texfile.seek(0)
texfile.close()
texfile = os.path.abspath(texfile.name)
# start doing some work
for i in range(0, passes):
logfd, logname = mkstemp()
outfile = os.fdopen(logfd)
try:
ret = subprocess.call([pdflatex,
'-interaction=nonstopmode',
'-output-format', 'pdf',
'-output-directory', tmpdir,
texfile],
cwd=os.path.dirname(texfile), stdout=outfile,
stderr=subprocess.PIPE)
finally:
outfile.close()
re_errors = re.compile('^\!(.*)$', re.M)
re_warnings = re.compile('^LaTeX Warning\:(.*)$', re.M)
flog = open(logname)
try:
loglines = flog.read()
finally:
flog.close()
errors = re_errors.findall(loglines)
warnings = re_warnings.findall(loglines)
os.unlink(logname)
pdffile = texfile.rsplit('.', 1)[0] + '.pdf'
data = None
if os.path.isfile(pdffile):
with open(pdffile,'rb') as fpdf :
data = fpdf.read()
removeall(tmpdir)
return data, warnings, errors
def markmin2pdf(text, image_mapper=lambda x: None, extra={}):
return latex2pdf(markmin2latex(text, image_mapper=image_mapper, extra=extra))
if __name__ == '__main__':
import sys
import doctest
import markmin2html
if sys.argv[1:2] == ['-h']:
data, warnings, errors = markmin2pdf(markmin2html.__doc__)
if errors:
print('ERRORS:' + '\n'.join(errors))
print('WARNGINS:' + '\n'.join(warnings))
else:
print(data)
elif len(sys.argv) > 1:
fargv = open(sys.argv[1], 'rb')
try:
data, warnings, errors = markmin2pdf(fargv.read())
finally:
fargv.close()
if errors:
print('ERRORS:' + '\n'.join(errors))
print('WARNGINS:' + '\n'.join(warnings))
else:
print(data)
else:
doctest.testmod()