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#! /usr/bin/python3
# file lyxpaperview.py
# This file is part of LyX, the document processor.
# Licence details can be found in the file COPYING.
# author Jürgen Spitzmüller
# This draws on a bash script and conceptual idea by Pavel Sanda
# Full author contact details are available in file CREDITS
# This script searches the home directory for a PDF or PS
# file with a name containing specific keywords (year and author by default).
# If found, it returns the path(s), separated by \n.
import os, sys, subprocess
def message(message):
sys.stderr.write("lyxpaperview: %s\n" % message)
def error(message):
sys.stderr.write("lyxpaperview error: %s\n" % message)
exit(1)
def usage(prog_name):
msg = "Usage: %s titletoken-1 [titletoken-2] ... [titletoken-n]\n" \
" Each title token must occur in the filename (at an arbitrary position).\n" \
" You might use quotes to enter multi-word tokens"
return msg % prog_name
# Copied from lyxpreview_tools.py
# PATH and PATHEXT environment variables
path = os.environ["PATH"].split(os.pathsep)
extlist = ['']
if "PATHEXT" in os.environ:
extlist += os.environ["PATHEXT"].split(os.pathsep)
extlist.append('.py')
def find_exe(candidates):
global extlist, path
for command in candidates:
prog = command.split()[0]
for directory in path:
for ext in extlist:
full_path = os.path.join(directory, prog + ext)
if os.access(full_path, os.X_OK):
# The thing is in the PATH already (or we wouldn't
# have found it). Return just the basename to avoid
# problems when the path to the executable contains
# spaces.
if full_path.lower().endswith('.py'):
return command.replace(prog, '"%s" "%s"'
% (sys.executable, full_path))
return command
return None
def find(args, path):
if os.name != 'nt':
# use locate if possible (faster)
if find_exe(['locate']):
p1 = subprocess.Popen(['locate', '-i', args[0].lower()], stdout=subprocess.PIPE)
px = subprocess.Popen(['grep', '-Ei', r'\.pdf$|\.ps$'], stdin=p1.stdout, stdout=subprocess.PIPE)
for arg in args:
if arg == args[0]:
# have this already
continue
px = subprocess.Popen(['grep', '-i', arg], stdin=px.stdout, stdout=subprocess.PIPE)
p1.stdout.close()
output = px.communicate()
return output[0].decode("utf8").strip('\n')
# FIXME add something for windows as well?
# Maybe dir /s /b %WINDIR%\*author* | findstr .*year.*\."ps pdf"
for root, dirs, files in os.walk(path):
for fname in files:
lfname = fname.lower()
if lfname.endswith(('.pdf', '.ps')):
caught = True
for arg in args:
if lfname.find(arg.lower()) == -1:
caught = False
break
if caught:
return os.path.join(root, fname)
return ""
def main(argv):
progname = argv[0]
args = sys.argv[1:]
if len(args) < 1:
error(usage(progname))
result = find(args, path = os.environ["HOME"])
print(result)
exit(0)
if __name__ == "__main__":
main(sys.argv)
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