new script texliveonfly (19sep11)

git-svn-id: svn://tug.org/texlive/trunk@24062 c570f23f-e606-0410-a88d-b1316a301751

3 files changed, 185 insertions, 0 deletions

diff --git a/Build/source/texk/texlive/linked_scripts/Makefile.am b/Build/source/texk/texlive/linked_scripts/Makefile.am
index 2f2f1b2a561..63dfb373051 100644
--- a/Build/source/texk/texlive/linked_scripts/Makefile.am
+++ b/Build/source/texk/texlive/linked_scripts/Makefile.am
@@ -119,6 +119,7 @@ texmf_dist_other_scripts = \
 	texdef/texdef.pl \
 	texdiff/texdiff \
 	texdirflatten/texdirflatten \
+	texliveonfly/texliveonfly.py \
 	texloganalyser/texloganalyser \
 	thumbpdf/thumbpdf.pl \
 	ulqda/ulqda.pl \
diff --git a/Build/source/texk/texlive/linked_scripts/Makefile.in b/Build/source/texk/texlive/linked_scripts/Makefile.in
index 48df75f5ad3..be1ae9f0b6d 100644
--- a/Build/source/texk/texlive/linked_scripts/Makefile.in
+++ b/Build/source/texk/texlive/linked_scripts/Makefile.in
@@ -257,6 +257,7 @@ texmf_dist_other_scripts = \
 	texdef/texdef.pl \
 	texdiff/texdiff \
 	texdirflatten/texdirflatten \
+	texliveonfly/texliveonfly.py \
 	texloganalyser/texloganalyser \
 	thumbpdf/thumbpdf.pl \
 	ulqda/ulqda.pl \
diff --git a/Build/source/texk/texlive/linked_scripts/texliveonfly/texliveonfly.py b/Build/source/texk/texlive/linked_scripts/texliveonfly/texliveonfly.py
new file mode 100755
index 00000000000..7e5a61d3918
--- /dev/null
+++ b/Build/source/texk/texlive/linked_scripts/texliveonfly/texliveonfly.py
@@ -0,0 +1,183 @@
+#!/usr/bin/env python3
+
+# texliveonfly.py (formerly lualatexonfly.py) - "Downloading on the fly"
+#     (similar to miktex) for texlive.
+#
+# Given a .tex file, runs lualatex (by default) repeatedly, using error messages
+#     to install missing packages.
+#
+#
+# September 19, 2011 Release
+#
+# Written on Ubuntu 10.04 with TexLive 2011
+# Other systems may have not been tested.
+#
+# Copyright (C) 2011 Saitulaa Naranong
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/copyleft/gpl.html>.
+
+import re, subprocess, os, time,  optparse, sys
+
+#sets up temp directory and paths
+tempDirectory =  os.path.join(os.getenv("HOME"), ".texliveonfly")
+lockfilePath = os.path.join(tempDirectory,  "newterminal_lock")
+
+#makes sure the temp directory exists
+try:
+    os.mkdir(tempDirectory)
+except OSError:
+    print("Our temp directory " + tempDirectory +  " already exists; good.")
+
+checkedForUpdates = False   #have we checked for updates yet?
+
+#NOTE: double-escaping \\ is neccessary for a slash to appear in the bash command
+def spawnInNewTerminal(bashCommand):
+    #creates lock file
+    lockfile = open(lockfilePath, 'w')
+    lockfile.write("texliveonfly currently performing task in separate terminal.")
+    lockfile.close()
+
+    #adds line to remove lock at end of command
+    bashCommand += '; rm \\"' + lockfilePath + '\\"'
+
+    #runs the bash command in a new terminal
+    process = subprocess.Popen (
+        ['x-terminal-emulator', '-e',  'sh -c "{0}"'.format(bashCommand) ]
+            , stdout=subprocess.PIPE )
+    process.wait()
+
+    #doesn't let us proceed until the lock file has been removed by the bash command
+    while os.path.exists(lockfilePath):
+        time.sleep(0.1)
+
+def updateTLMGR():
+    global checkedForUpdates
+    if not checkedForUpdates:
+        spawnInNewTerminal('''echo \\"Updating tlmgr prior to installing packages\n(this is necessary to avoid complaints from itself).\\n\\" ; sudo tlmgr update --self''')
+        checkedForUpdates = True
+
+#strictmatch requires an entire /file match in the search results
+def getSearchResults(preamble, term, strictMatch):
+    output = subprocess.getoutput("tlmgr search --global --file " + term)
+    outList = output.split("\n")
+
+    results = ["latex"]    #latex entry for removal later
+
+    for line in outList:
+        line = line.strip()
+        if line.startswith(preamble) and (not strictMatch or line.endswith("/" + term)):
+            #filters out the package in:
+            #   texmf-dist/.../package/file
+            #and adds it to packages
+            results.append(line.split("/")[-2].strip())
+            results.append(line.split("/")[-3].strip()) #occasionally the package is one more slash before
+
+    results = list(set(results))    #removes duplicates
+    results.remove("latex")     #removes most common fake result
+    return results
+
+def getFilePackage(file):
+    return " ".join( getSearchResults("texmf-dist/", file, True) )
+
+def getFontPackage(font):
+    font = re.sub(r"\((.*)\)", "", font)    #gets rid of parentheses
+    results = getSearchResults("texmf-dist/fonts/", font , False)
+
+    #allow for possibility of lowercase
+    if len(results) == 0:
+        return "" if font.islower() else getFontPackage(font.lower())
+    else:
+        return " ".join(results)
+
+#string can contain more than one package
+def installPackages(packagesString):
+    updateTLMGR()  #avoids complaints about tlmgr not being updated
+
+    #New terminal is required: we're not guaranteed user can input sudo password into editor
+    print("Attempting to install LaTex package(s): " + packagesString )
+    print("A new terminal will open and you may be prompted for your sudo password.")
+
+    #bash command to download and remove lock
+    bashCommand='''echo \\"Attempting to install LaTeX package(s): {0} \\"
+echo \\"(Some of them might not be real.)\\n\\"
+sudo tlmgr install {0}'''.format(packagesString)
+
+    spawnInNewTerminal(bashCommand)
+
+### MAIN PROGRAM ###
+licenseinfo = """texliveonfly.py Copyright (C) 2011 Saitulaa Naranong
+This program comes with ABSOLUTELY NO WARRANTY;
+See the GNU General Public License v3 for more info."""
+
+defaultArgs = "-synctex=1 -interaction=nonstopmode"
+
+if __name__ == '__main__':
+    # Parse command line
+    parser = optparse.OptionParser(
+        usage="\n\n\t%prog [options] file.tex\n\nUse option --help for more info.\n\n" + licenseinfo ,
+        version='2011.20.9',
+        conflict_handler='resolve'
+    )
+
+    parser.add_option('-h', '--help',
+        action='help', help='print this help text and exit')
+    parser.add_option('-e', '--engine',
+        dest='engine', metavar='ENGINE', help='your LaTeX compiler; defaults to lualatex', default="lualatex")
+    parser.add_option('-a', '--arguments',
+        dest='arguments', metavar='ARGS', help='arguments to send to engine; default is: "{0}"'.format(defaultArgs) , default=defaultArgs)
+    parser.add_option('-f', '--fail_silently', action = "store_true" ,
+        dest='fail_silently', help="If tlmgr cannot be found, compile document anyway.", default=False)
+
+    (options, args) = parser.parse_args()
+
+    if len(args) == 0:
+        parser.error("You must specify a .tex file to compile.")
+
+    latexDocName = args[0]
+
+    if "not found" in subprocess.getoutput("tlmgr"):
+        if options.fail_silently:
+            subprocess.getoutput( options.engine + ' ' + options.arguments + ' "' + latexDocName + '"')
+            sys.exit(0)
+        else:
+            parser.error("It appears tlmgr is not installed.  Are you sure you have TeX Live 2010 or later?")
+
+    #loop constraints
+    done = False
+    previousFile = ""
+    previousFontFile = ""
+    previousFont =""
+
+    #keeps running until all missing font/file errors are gone, or the same ones persist in all categories
+    while not done:
+        output = subprocess.getoutput( options.engine + ' ' + options.arguments + ' "' + latexDocName + '"')
+
+        #most reliable: searches for missing file
+        filesSearch = re.findall(r"! LaTeX Error: File `([^`']*)' not found" , output) + re.findall(r"! I can't find file `([^`']*)'." , output)
+        #next most reliable: infers filename from font error
+        fontsFileSearch = [ name + ".tfm" for name in re.findall(r"! Font \\[^=]*=([^\s]*)\s", output) ]
+        #brute force search for font name in files
+        fontsSearch =  re.findall(r"! Font [^\n]*file\:([^\:\n]*)\:", output) + re.findall(r"! Font \\[^/]*/([^/]*)/", output)
+
+        if len(filesSearch) > 0 and filesSearch[0] != previousFile:
+            installPackages(getFilePackage(filesSearch[0]))
+            previousFile = filesSearch[0]
+        elif len(fontsFileSearch) > 0 and fontsFileSearch[0] != previousFontFile:
+            installPackages(getFilePackage(fontsFileSearch[0]))
+            previousFontFile = fontsFileSearch[0]
+        elif len(fontsSearch) > 0 and fontsSearch[0] != previousFont:
+            installPackages(getFontPackage(fontsSearch[0]))
+            previousFont = fontsSearch[0]
+        else:
+            done = True