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Merge pull request #26 from hashar/handle-latex-error

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Handle latex errors when converting to dvi
This commit is contained in:
Grant Sanderson 2017-05-08 08:35:57 -07:00 • committed by GitHub
commit b6a1a6878b
1 changed files with 14 additions and 2 deletions
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16
mobject/tex_mobject.py
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@ -3,6 +3,7 @@ from svg_mobject import SVGMobject, VMobjectFromSVGPathstring
from topics.geometry import BackgroundRectangle from topics.geometry import BackgroundRectangle
from helpers import * from helpers import *
import collections import collections
import sys
TEX_MOB_SCALE_FACTOR = 0.05 TEX_MOB_SCALE_FACTOR = 0.05
TEXT_MOB_SCALE_FACTOR = 0.05 TEXT_MOB_SCALE_FACTOR = 0.05
@ -278,12 +279,23 @@ def tex_to_dvi(tex_file):
commands = [ commands = [
"latex", "latex",
"-interaction=batchmode", "-interaction=batchmode",
"-halt-on-error",
"-output-directory=" + TEX_DIR, "-output-directory=" + TEX_DIR,
tex_file, tex_file,
"> /dev/null" "> /dev/null"
] ]
#TODO, Error check exit_code = os.system(" ".join(commands))
os.system(" ".join(commands)) if exit_code != 0:
latex_output = ''
log_file = tex_file.replace(".tex", ".log")
if os.path.exists(log_file):
with open(log_file, 'r') as f:
latex_output = f.read()
if latex_output:
sys.stderr.write(latex_output)
raise Exception(
"Latex error converting to dvi. "
"See log output above or the log file: %s" % log_file)
return result return result
def dvi_to_svg(dvi_file, regen_if_exists = False): def dvi_to_svg(dvi_file, regen_if_exists = False):