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lyxpaperview.py: no need to limit to year and author

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The script can now take an unlimited number of arguments, which are all
searched for in the filename. This allows for more flexibility.
This commit is contained in:
Juergen Spitzmueller 2020-08-24 15:38:55 +02:00
parent 44ede7ef4b
commit 3e31fad5f6
1 changed files with 22 additions and 13 deletions
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35
lib/scripts/lyxpaperview.py
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@ -31,7 +31,9 @@ def error(message):
exit(1)
def usage(prog_name):
msg = "Usage: %s [-v pdfviewer] [-w psviewer] year author"
msg = "Usage: %s [-v pdfviewer] [-w psviewer] titletoken-1 [titletoken-2] ... [titletoken-n]\n" \
" Each title token must occur in any position of the filename.\n" \
" You might use quotes to enter multi-word tokens"
return msg % prog_name
# Copied from lyxpreview_tools.py
@ -70,14 +72,18 @@ def find_exe_or_terminate(candidates):
return exe
def find(year, author, path):
def find(args, path):
if os.name != 'nt':
# use locate if possible (faster)
if find_exe(['locate']):
p1 = subprocess.Popen(['locate', '-i', author], stdout=subprocess.PIPE)
p2 = subprocess.Popen(['grep', '-Ei', '\.pdf$|\.ps$'], stdin=p1.stdout, stdout=subprocess.PIPE)
p3 = subprocess.Popen(['grep', year], stdin=p2.stdout, stdout=subprocess.PIPE)
p4 = subprocess.Popen(['head', '-n 2'], stdin=p3.stdout, stdout=subprocess.PIPE)
p1 = subprocess.Popen(['locate', '-i', args[0].lower()], stdout=subprocess.PIPE)
px = subprocess.Popen(['grep', '-Ei', '\.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)
p4 = subprocess.Popen(['head', '-n 2'], stdin=px.stdout, stdout=subprocess.PIPE)
p1.stdout.close()
output = p4.communicate()
return output[0].decode("utf8")[:-1]# strip trailing '\n'
@ -87,8 +93,14 @@ def find(year, author, path):
for root, dirs, files in os.walk(path):
for fname in files:
lfname = fname.lower()
if lfname.endswith(('.pdf', '.ps')) and lfname.find(author) != -1 and lfname.find(year) != -1:
return os.path.join(root, fname)
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):
@ -103,13 +115,10 @@ def main(argv):
if o == "-w":
psviewer = v
if len(args) != 2:
if len(args) < 1:
error(usage(progname))
year = args[0]
author = args[1]
result = find(year, author.lower(), path = os.environ["HOME"])
result = find(args, path = os.environ["HOME"])
if result == "":
message("no document found!")
return 0