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Set BIBINPUTS and BSTINPUTS environment variables when making PDF #676

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merged 3 commits into from
Sep 16, 2017
Merged

Set BIBINPUTS and BSTINPUTS environment variables when making PDF #676

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eee0766
Utility function for prepending to an env search path
takluyver Sep 15, 2017
e239b78
Also set BIBINPUTS and BSTINPUTS environment variables
takluyver Sep 15, 2017
0d9d70f
Ensure CWD is also on TeX search path
takluyver Sep 15, 2017
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17 changes: 13 additions & 4 deletions nbconvert/exporters/pdf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,15 @@ def __str__(self):
u = self.__unicode__()
return cast_bytes_py2(u)

def prepend_to_env_search_path(varname, value, envdict):
"""Add value to the environment variable varname in envdict

e.g. prepend_to_env_search_path('BIBINPUTS', '/home/sally/foo', os.environ)
"""
if not value:
return # Nothing to add

envdict[varname] = cast_bytes_py2(value) + os.pathsep + envdict.get(varname, '')

class PDFExporter(LatexExporter):
"""Writer designed to write to PDF files.
Expand Down Expand Up @@ -105,10 +114,10 @@ def run_command(self, command_list, filename, count, log_function):
if shell:
command = subprocess.list2cmdline(command)
env = os.environ.copy()
env['TEXINPUTS'] = os.pathsep.join([
cast_bytes_py2(self.texinputs),
env.get('TEXINPUTS', ''),
])
prepend_to_env_search_path('TEXINPUTS', self.texinputs, env)
prepend_to_env_search_path('BIBINPUTS', self.texinputs, env)
prepend_to_env_search_path('BSTINPUTS', self.texinputs, env)

with open(os.devnull, 'rb') as null:
stdout = subprocess.PIPE if not self.verbose else None
for index in range(count):
Expand Down