23
23
# This is a command-line application, for use by the administrator.
24
# This program is a frontend for the modules in the setup packages that
25
# configure, build and install IVLE in three separate steps.
24
# This program configures, builds and installs IVLE in three separate steps.
26
25
# It is called with at least one argument, which specifies which operation to
28
# setup.py listmake (for developer use only)
29
# Recurses through the source tree and builds a list of all files which should
30
# be copied upon installation. This should be run by the developer before
31
# cutting a distribution, and the listfile it generates should be included in
32
# the distribution, avoiding the administrator having to run it.
34
# setup.py config [args]
35
# Configures IVLE with machine-specific details, most notably, various paths.
36
# Either prompts the administrator for these details or accepts them as
38
# Creates www/conf/conf.py and trampoline/conf.h.
41
# Compiles all files and sets up a jail template in the source directory.
43
# Compiles (GCC) trampoline/trampoline.c to trampoline/trampoline.
45
# Creates standard subdirs inside the jail, eg bin, opt, home, tmp.
46
# Copies console/ to a location within the jail.
47
# Copies OS programs and files to corresponding locations within the jail
48
# (eg. python and Python libs, ld.so, etc).
49
# Generates .pyc files for all the IVLE .py files.
51
# setup.py install [--nojail] [--dry|n]
53
# Create target install directory ($target).
55
# Copy trampoline/trampoline to $target/bin.
56
# chown and chmod the installed trampoline.
57
# Copy www/ to $target.
58
# Copy jail/ to jails template directory (unless --nojail specified).
30
import setup.configure
71
# Import modules from the website is tricky since they're in the www
73
sys.path.append(os.path.join(os.getcwd(), 'www'))
75
import common.makeuser
77
# Determine which Python version (2.4 or 2.5, for example) we are running,
78
# and use that as the filename to the Python directory.
79
# Just get the first 3 characters of sys.version.
80
PYTHON_VERSION = sys.version[0:3]
82
# Operating system files to copy over into the jail.
83
# These will be copied from the given place on the OS file system into the
84
# same place within the jail.
87
'/lib/tls/i686/cmov/libc.so.6',
88
'/lib/tls/i686/cmov/libdl.so.2',
89
'/lib/tls/i686/cmov/libm.so.6',
90
'/lib/tls/i686/cmov/libpthread.so.0',
91
'/lib/tls/i686/cmov/libutil.so.1',
94
# These 2 files do not exist in Ubuntu
95
#'/etc/ld.so.preload',
96
#'/etc/ld.so.nohwcap',
102
'/usr/bin/python%s' % PYTHON_VERSION,
103
# Needed by matplotlib
104
'/usr/lib/i686/cmov/libssl.so.0.9.8',
105
'/usr/lib/i686/cmov/libcrypto.so.0.9.8',
106
'/lib/tls/i686/cmov/libnsl.so.1',
107
'/usr/lib/libz.so.1',
108
'/usr/lib/atlas/liblapack.so.3',
109
'/usr/lib/atlas/libblas.so.3',
110
'/usr/lib/libg2c.so.0',
111
'/usr/lib/libstdc++.so.6',
112
'/usr/lib/libfreetype.so.6',
113
'/usr/lib/libpng12.so.0',
114
'/usr/lib/libBLT.2.4.so.8.4',
115
'/usr/lib/libtk8.4.so.0',
116
'/usr/lib/libtcl8.4.so.0',
117
'/usr/lib/tcl8.4/init.tcl',
118
'/usr/lib/libX11.so.6',
119
'/usr/lib/libXau.so.6',
120
'/usr/lib/libXdmcp.so.6',
121
'/lib/libgcc_s.so.1',
124
# Symlinks to make within the jail. Src mapped to dst.
126
'python%s' % PYTHON_VERSION: 'jail/usr/bin/python',
128
# Trees to copy. Src mapped to dst (these will be passed to action_copytree).
130
'/usr/lib/python%s' % PYTHON_VERSION:
131
'jail/usr/lib/python%s' % PYTHON_VERSION,
132
'/usr/share/matplotlib': 'jail/usr/share/matplotlib',
133
'/etc/ld.so.conf.d': 'jail/etc/ld.so.conf.d',
137
"""A configuration option; one of the things written to conf.py."""
138
def __init__(self, option_name, default, prompt, comment):
139
"""Creates a configuration option.
140
option_name: Name of the variable in conf.py. Also name of the
141
command-line argument to setup.py conf.
142
default: Default value for this variable.
143
prompt: (Short) string presented during the interactive prompt in
145
comment: (Long) comment string stored in conf.py. Each line of this
146
string should begin with a '#'.
148
self.option_name = option_name
149
self.default = default
151
self.comment = comment
153
# Configuration options, defaults and descriptions
155
config_options.append(ConfigOption("root_dir", "/ivle",
156
"""Root directory where IVLE is located (in URL space):""",
158
# In URL space, where in the site is IVLE located. (All URLs will be prefixed
160
# eg. "/" or "/ivle"."""))
161
config_options.append(ConfigOption("ivle_install_dir", "/opt/ivle",
162
'Root directory where IVLE will be installed (on the local file '
165
# In the local file system, where IVLE is actually installed.
166
# This directory should contain the "www" and "bin" directories."""))
167
config_options.append(ConfigOption("jail_base", "/home/informatics/jails",
168
"""Root directory where the jails (containing user files) are stored
169
(on the local file system):""",
171
# In the local file system, where are the student/user file spaces located.
172
# The user jails are expected to be located immediately in subdirectories of
173
# this location."""))
174
config_options.append(ConfigOption("subjects_base",
175
"/home/informatics/subjects",
176
"""Root directory where the subject directories (containing worksheets
177
and other per-subject files) are stored (on the local file system):""",
179
# In the local file system, where are the per-subject file spaces located.
180
# The individual subject directories are expected to be located immediately
181
# in subdirectories of this location."""))
182
config_options.append(ConfigOption("problems_base",
183
"/home/informatics/problems",
184
"""Root directory where the problem directories (containing
185
subject-independent problem sheets) are stored (on the local file
188
# In the local file system, where are the subject-independent problem sheet
189
# file spaces located."""))
190
config_options.append(ConfigOption("public_host", "public.localhost",
191
"""Hostname which will cause the server to go into "public mode",
192
providing login-free access to student's published work:""",
194
# The server goes into "public mode" if the browser sends a request with this
195
# host. This is for security reasons - we only serve public student files on a
196
# separate domain to the main IVLE site.
197
# Public mode does not use cookies, and serves only public content.
198
# Private mode (normal mode) requires login, and only serves files relevant to
199
# the logged-in user."""))
200
config_options.append(ConfigOption("allowed_uids", "33",
201
"""UID of the web server process which will run IVLE.
202
Only this user may execute the trampoline. May specify multiple users as
203
a comma-separated list.
206
# The User-ID of the web server process which will run IVLE, and any other
207
# users who are allowed to run the trampoline. This is stores as a string of
208
# comma-separated integers, simply because it is not used within Python, only
209
# used by the setup program to write to conf.h (see setup.py config)."""))
210
config_options.append(ConfigOption("db_host", "localhost",
211
"""PostgreSQL Database config
212
==========================
213
Hostname of the DB server:""",
215
### PostgreSQL Database config ###
216
# Database server hostname"""))
217
config_options.append(ConfigOption("db_port", "5432",
218
"""Port of the DB server:""",
220
# Database server port"""))
221
config_options.append(ConfigOption("db_dbname", "ivle",
222
"""Database name:""",
225
config_options.append(ConfigOption("db_user", "postgres",
226
"""Username for DB server login:""",
228
# Database username"""))
229
config_options.append(ConfigOption("db_password", "",
230
"""Password for DB server login:
231
(Caution: This password is stored in plaintext in www/conf/conf.py)""",
233
# Database password"""))
235
# Try importing existing conf, but if we can't just set up defaults
236
# The reason for this is that these settings are used by other phases
237
# of setup besides conf, so we need to know them.
238
# Also this allows you to hit Return to accept the existing value.
240
confmodule = __import__("www/conf/conf")
241
for opt in config_options:
243
globals()[opt.option_name] = confmodule.__dict__[opt.option_name]
245
globals()[opt.option_name] = opt.default
247
# Just set reasonable defaults
248
for opt in config_options:
249
globals()[opt.option_name] = opt.default
251
# Try importing install_list, but don't fail if we can't, because listmake can
252
# function without it.
258
# Mime types which will automatically be placed in the list by listmake.
259
# Note that listmake is not intended to be run by the final user (the system
260
# administrator who installs this), so the developers can customize the list
261
# as necessary, and include it in the distribution.
262
listmake_mimetypes = ['text/x-python', 'text/html',
263
'application/x-javascript', 'application/javascript',
264
'text/css', 'image/png', 'application/xml']
266
# Main function skeleton from Guido van Rossum
267
# http://www.artima.com/weblogs/viewpost.jsp?thread=4829
35
269
def main(argv=None):
58
oper_func = call_operator(operation)
59
return oper_func(argv[2:])
63
print """Usage: python setup.py operation [options]
70
For help and options for a specific operation use 'help [operation]'."""
73
oper_func = call_operator(operator)
74
oper_func(['operator','--help'])
76
def call_operator(operation):
292
# Disallow run as root unless installing
293
if (operation != 'install' and operation != 'updatejails'
294
and os.geteuid() == 0):
295
print >>sys.stderr, "I do not want to run this stage as root."
296
print >>sys.stderr, "Please run as a normal user."
77
298
# Call the requested operation's function
81
'config' : setup.configure.configure,
82
'build' : setup.build.build,
83
'install' : setup.install.install,
84
#'updatejails' : None,
304
'listmake' : listmake,
306
'updatejails' : updatejails,
87
309
print >>sys.stderr, (
88
310
"""Invalid operation '%s'. Try python setup.py help."""
313
return oper_func(argv[2:])
315
# Operation functions
319
print """Usage: python setup.py operation [args]
320
Operation (and args) can be:
322
listmake (developer use only)
325
install [--nojail] [--nosubjects] [-n|--dry]
329
print """Usage: python setup.py help [operation]"""
334
if operation == 'help':
335
print """python setup.py help [operation]
336
Prints the usage message or detailed help on an operation, then exits."""
337
elif operation == 'listmake':
338
print """python setup.py listmake
339
(For developer use only)
340
Recurses through the source tree and builds a list of all files which should
341
be copied upon installation. This should be run by the developer before
342
cutting a distribution, and the listfile it generates should be included in
343
the distribution, avoiding the administrator having to run it."""
344
elif operation == 'config':
345
print """python setup.py config [args]
346
Configures IVLE with machine-specific details, most notably, various paths.
347
Either prompts the administrator for these details or accepts them as
348
command-line args. Will be interactive only if there are no arguments given.
349
Takes defaults from existing conf file if it exists.
351
To run IVLE out of the source directory (allowing development without having
352
to rebuild/install), just provide ivle_install_dir as the IVLE trunk
353
directory, and run build/install one time.
355
Creates www/conf/conf.py and trampoline/conf.h.
358
for opt in config_options:
359
print " --" + opt.option_name
360
print """As explained in the interactive prompt or conf.py.
362
elif operation == 'build':
363
print """python -O setup.py build [--dry|-n]
364
Compiles all files and sets up a jail template in the source directory.
365
-O is recommended to cause compilation to be optimised.
367
Compiles (GCC) trampoline/trampoline.c to trampoline/trampoline.
369
Creates standard subdirs inside the jail, eg bin, opt, home, tmp.
370
Copies console/ to a location within the jail.
371
Copies OS programs and files to corresponding locations within the jail
372
(eg. python and Python libs, ld.so, etc).
373
Generates .pyc or .pyo files for all the IVLE .py files.
375
--dry | -n Print out the actions but don't do anything."""
376
elif operation == 'install':
377
print """sudo python setup.py install [--nojail] [--nosubjects][--dry|-n]
379
Create target install directory ($target).
381
Copy trampoline/trampoline to $target/bin.
382
chown and chmod the installed trampoline.
383
Copy www/ to $target.
384
Copy jail/ to jails template directory (unless --nojail specified).
385
Copy subjects/ to subjects directory (unless --nosubjects specified).
387
--nojail Do not copy the jail.
388
--nosubjects Do not copy the subjects and problems directories.
389
--dry | -n Print out the actions but don't do anything."""
390
elif operation == 'updatejails':
391
print """sudo python setup.py updatejails [--dry|-n]
393
Copy jail/ to each subdirectory in jails directory.
395
--dry | -n Print out the actions but don't do anything."""
397
print >>sys.stderr, (
398
"""Invalid operation '%s'. Try python setup.py help."""
403
# We build two separate lists, by walking www and console
404
list_www = build_list_py_files('www')
405
list_console = build_list_py_files('console')
406
list_subjects = build_list_py_files('subjects', no_top_level=True)
407
list_problems = build_list_py_files('problems', no_top_level=True)
408
# Make sure that the files generated by conf are in the list
409
# (since listmake is typically run before conf)
410
if "www/conf/conf.py" not in list_www:
411
list_www.append("www/conf/conf.py")
412
# Make sure that console/python-console is in the list
413
if "console/python-console" not in list_console:
414
list_console.append("console/python-console")
415
# Write these out to a file
417
# the files that will be created/overwritten
418
listfile = os.path.join(cwd, "install_list.py")
421
file = open(listfile, "w")
423
file.write("""# IVLE Configuration File
425
# Provides lists of all files to be installed by `setup.py install' from
426
# certain directories.
427
# Note that any files with the given filename plus 'c' or 'o' (that is,
428
# compiled .pyc or .pyo files) will be copied as well.
430
# List of all installable files in www directory.
432
writelist_pretty(file, list_www)
434
# List of all installable files in console directory.
436
writelist_pretty(file, list_console)
438
# List of all installable files in subjects directory.
439
# This is to install sample subjects and material.
441
writelist_pretty(file, list_subjects)
443
# List of all installable files in problems directory.
444
# This is to install sample exercise material.
446
writelist_pretty(file, list_problems)
449
except IOError, (errno, strerror):
450
print "IO error(%s): %s" % (errno, strerror)
453
print "Successfully wrote install_list.py"
456
print ("You may modify the set of installable files before cutting the "
463
def build_list_py_files(dir, no_top_level=False):
464
"""Builds a list of all py files found in a directory and its
465
subdirectories. Returns this as a list of strings.
466
no_top_level=True means the file paths will not include the top-level
470
for (dirpath, dirnames, filenames) in os.walk(dir):
471
# Exclude directories beginning with a '.' (such as '.svn')
472
filter_mutate(lambda x: x[0] != '.', dirnames)
473
# All *.py files are added to the list
474
pylist += [os.path.join(dirpath, item) for item in filenames
475
if mimetypes.guess_type(item)[0] in listmake_mimetypes]
477
for i in range(0, len(pylist)):
478
_, pylist[i] = pylist[i].split(os.sep, 1)
481
def writelist_pretty(file, list):
482
"""Writes a list one element per line, to a file."""
488
file.write(' %s,\n' % repr(elem))
493
# Set up some variables
496
# the files that will be created/overwritten
497
conffile = os.path.join(cwd, "www/conf/conf.py")
498
conf_hfile = os.path.join(cwd, "trampoline/conf.h")
500
# Get command-line arguments to avoid asking questions.
503
for opt in config_options:
504
optnames.append(opt.option_name + "=")
505
(opts, args) = getopt.gnu_getopt(args, "", optnames)
508
print >>sys.stderr, "Invalid arguments:", string.join(args, ' ')
512
# Interactive mode. Prompt the user for all the values.
514
print """This tool will create the following files:
517
prompting you for details about your configuration. The file will be
518
overwritten if it already exists. It will *not* install or deploy IVLE.
520
Please hit Ctrl+C now if you do not wish to do this.
521
""" % (conffile, conf_hfile)
523
# Get information from the administrator
524
# If EOF is encountered at any time during the questioning, just exit
527
for opt in config_options:
528
globals()[opt.option_name] = \
529
query_user(globals()[opt.option_name], opt.prompt)
532
# Non-interactive mode. Parse the options.
533
for opt in config_options:
534
if '--' + opt.option_name in opts:
535
globals()[opt.option_name] = opts['--' + opt.option_name]
537
# Error handling on input values
539
allowed_uids_list = map(int, allowed_uids.split(','))
541
print >>sys.stderr, (
542
"Invalid UID list (%s).\n"
543
"Must be a comma-separated list of integers." % allowed_uids)
546
db_port = int(db_port)
547
if db_port < 0 or db_port >= 65536: raise ValueError()
549
print >>sys.stderr, (
550
"Invalid DB port (%s).\n"
551
"Must be an integer between 0 and 65535." % repr(db_port))
554
# Write www/conf/conf.py
557
conf = open(conffile, "w")
559
conf.write("""# IVLE Configuration File
561
# Miscellaneous application settings
564
for opt in config_options:
565
conf.write('%s\n%s = %s\n' % (opt.comment, opt.option_name,
566
repr(globals()[opt.option_name])))
569
except IOError, (errno, strerror):
570
print "IO error(%s): %s" % (errno, strerror)
573
print "Successfully wrote www/conf/conf.py"
575
# Write trampoline/conf.h
578
conf = open(conf_hfile, "w")
580
conf.write("""/* IVLE Configuration File
582
* Administrator settings required by trampoline.
583
* Note: trampoline will have to be rebuilt in order for changes to this file
587
/* In the local file system, where are the jails located.
588
* The trampoline does not allow the creation of a jail anywhere besides
589
* jail_base or a subdirectory of jail_base.
591
static const char* jail_base = "%s";
593
/* Which user IDs are allowed to run the trampoline.
594
* This list should be limited to the web server user.
595
* (Note that root is an implicit member of this list).
597
static const int allowed_uids[] = { %s };
598
""" % (jail_base, repr(allowed_uids_list)[1:-1]))
601
except IOError, (errno, strerror):
602
print "IO error(%s): %s" % (errno, strerror)
605
print "Successfully wrote trampoline/conf.h"
608
print "You may modify the configuration at any time by editing"
615
# Get "dry" variable from command line
616
(opts, args) = getopt.gnu_getopt(args, "n", ['dry'])
618
dry = '-n' in opts or '--dry' in opts
621
print "Dry run (no actions will be executed\n"
623
# Compile the trampoline
625
os.chdir('trampoline')
626
action_runprog('make', [], dry)
629
# Create the jail and its subdirectories
630
# Note: Other subdirs will be made by copying files
631
action_mkdir('jail', dry)
632
action_mkdir('jail/home', dry)
633
action_mkdir('jail/tmp', dry)
635
# Copy all console and operating system files into the jail
636
action_copylist(install_list.list_console, 'jail/opt/ivle', dry)
637
copy_os_files_jail(dry)
638
# Chmod the python console
639
action_chmod_x('jail/opt/ivle/console/python-console', dry)
642
# Compile .py files into .pyc or .pyo files
643
compileall.compile_dir('www', quiet=True)
644
compileall.compile_dir('console', quiet=True)
648
def copy_os_files_jail(dry):
649
"""Copies necessary Operating System files from their usual locations
650
into the jail/ directory of the cwd."""
651
# Currently source paths are configured for Ubuntu.
652
for filename in JAIL_FILES:
653
copy_file_to_jail(filename, dry)
654
for src, dst in JAIL_LINKS.items():
655
action_symlink(src, dst, dry)
656
for src, dst in JAIL_COPYTREES.items():
657
action_copytree(src, dst, dry)
659
def copy_file_to_jail(src, dry):
660
"""Copies a single file from an absolute location into the same location
661
within the jail. src must begin with a '/'. The jail will be located
662
in a 'jail' subdirectory of the current path."""
663
action_copyfile(src, 'jail' + src, dry)
666
# Get "dry" and "nojail" variables from command line
667
(opts, args) = getopt.gnu_getopt(args, "n",
668
['dry', 'nojail', 'nosubjects'])
670
dry = '-n' in opts or '--dry' in opts
671
nojail = '--nojail' in opts
672
nosubjects = '--nosubjects' in opts
675
print "Dry run (no actions will be executed\n"
677
if not dry and os.geteuid() != 0:
678
print >>sys.stderr, "Must be root to run install"
679
print >>sys.stderr, "(I need to chown some files)."
682
# Create the target (install) directory
683
action_mkdir(ivle_install_dir, dry)
685
# Create bin and copy the compiled files there
686
action_mkdir(os.path.join(ivle_install_dir, 'bin'), dry)
687
tramppath = os.path.join(ivle_install_dir, 'bin/trampoline')
688
action_copyfile('trampoline/trampoline', tramppath, dry)
689
# chown trampoline to root and set setuid bit
690
action_chown_setuid(tramppath, dry)
692
# Copy the www directory using the list
693
action_copylist(install_list.list_www, ivle_install_dir, dry)
696
# Copy the local jail directory built by the build action
697
# to the jails template directory (it will be used as a template
698
# for all the students' jails).
699
action_copytree('jail', os.path.join(jail_base, 'template'), dry)
701
# Copy the subjects and problems directories across
702
action_copylist(install_list.list_subjects, subjects_base, dry,
704
action_copylist(install_list.list_problems, problems_base, dry,
707
# Append IVLE path to ivle.pth in python site packages
708
# (Unless it's already there)
709
ivle_pth = os.path.join(sys.prefix,
710
"lib/python%s/site-packages/ivle.pth" % PYTHON_VERSION)
711
ivle_www = os.path.join(ivle_install_dir, "www")
712
write_ivle_pth = True
714
file = open(ivle_pth, 'r')
716
if line.strip() == ivle_www:
717
write_ivle_pth = False
719
except (IOError, OSError):
722
action_append(ivle_pth, ivle_www)
726
def updatejails(args):
727
# Get "dry" variable from command line
728
(opts, args) = getopt.gnu_getopt(args, "n", ['dry'])
730
dry = '-n' in opts or '--dry' in opts
733
print "Dry run (no actions will be executed\n"
735
if not dry and os.geteuid() != 0:
736
print >>sys.stderr, "Must be root to run install"
737
print >>sys.stderr, "(I need to chown some files)."
740
# Update the template jail directory in case it hasn't been installed
742
action_copytree('jail', os.path.join(jail_base, 'template'), dry)
744
# Re-link all the files in all students jails.
745
for dir in os.listdir(jail_base):
746
if dir == 'template': continue
747
# First back up the student's home directory
748
temp_home = os.tmpnam()
749
action_rename(os.path.join(jail_base, dir, 'home'), temp_home, dry)
750
# Delete the student's jail and relink the jail files
751
action_linktree(os.path.join(jail_base, 'template'),
752
os.path.join(jail_base, dir), dry)
753
# Restore the student's home directory
754
action_rename(temp_home, os.path.join(jail_base, dir, 'home'), dry)
755
# Set up the user's home directory just in case they don't have a
756
# directory for this yet
757
action_mkdir(os.path.join(jail_base, dir, 'home', dir), dry)
761
# The actions call Python os functions but print actions and handle dryness.
762
# May still throw os exceptions if errors occur.
765
"""Represents an error when running a program (nonzero return)."""
766
def __init__(self, prog, retcode):
768
self.retcode = retcode
770
return str(self.prog) + " returned " + repr(self.retcode)
772
def action_runprog(prog, args, dry):
773
"""Runs a unix program. Searches in $PATH. Synchronous (waits for the
774
program to return). Runs in the current environment. First prints the
775
action as a "bash" line.
777
Throws a RunError with a retcode of the return value of the program,
778
if the program did not return 0.
780
prog: String. Name of the program. (No path required, if in $PATH).
781
args: [String]. Arguments to the program.
782
dry: Bool. If True, prints but does not execute.
784
print prog, string.join(args, ' ')
786
ret = os.spawnvp(os.P_WAIT, prog, args)
788
raise RunError(prog, ret)
790
def action_rename(src, dst, dry):
791
"""Calls rename. Deletes the target if it already exists."""
792
if os.access(dst, os.F_OK):
795
shutil.rmtree(dst, True)
796
print "mv ", src, dst
800
except OSError, (err, msg):
801
if err != errno.EEXIST:
804
def action_mkdir(path, dry):
805
"""Calls mkdir. Silently ignored if the directory already exists.
806
Creates all parent directories as necessary."""
807
print "mkdir -p", path
811
except OSError, (err, msg):
812
if err != errno.EEXIST:
815
def action_copytree(src, dst, dry):
816
"""Copies an entire directory tree. Symlinks are seen as normal files and
817
copies of the entire file (not the link) are made. Creates all parent
818
directories as necessary.
820
See shutil.copytree."""
821
if os.access(dst, os.F_OK):
824
shutil.rmtree(dst, True)
825
print "cp -r", src, dst
827
shutil.copytree(src, dst, True)
829
def action_linktree(src, dst, dry):
830
"""Hard-links an entire directory tree. Same as copytree but the created
831
files are hard-links not actual copies. Removes the existing destination.
833
if os.access(dst, os.F_OK):
836
shutil.rmtree(dst, True)
837
print "<cp with hardlinks> -r", src, dst
839
common.makeuser.linktree(src, dst)
841
def action_copylist(srclist, dst, dry, srcdir="."):
842
"""Copies all files in a list to a new location. The files in the list
843
are read relative to the current directory, and their destinations are the
844
same paths relative to dst. Creates all parent directories as necessary.
845
srcdir is "." by default, can be overridden.
847
for srcfile in srclist:
848
dstfile = os.path.join(dst, srcfile)
849
srcfile = os.path.join(srcdir, srcfile)
850
dstdir = os.path.split(dstfile)[0]
851
if not os.path.isdir(dstdir):
852
action_mkdir(dstdir, dry)
853
print "cp -f", srcfile, dstfile
856
shutil.copyfile(srcfile, dstfile)
857
shutil.copymode(srcfile, dstfile)
861
def action_copyfile(src, dst, dry):
862
"""Copies one file to a new location. Creates all parent directories
864
Warn if file not found.
866
dstdir = os.path.split(dst)[0]
867
if not os.path.isdir(dstdir):
868
action_mkdir(dstdir, dry)
869
print "cp -f", src, dst
872
shutil.copyfile(src, dst)
873
shutil.copymode(src, dst)
874
except (shutil.Error, IOError), e:
875
print "Warning: " + str(e)
877
def action_symlink(src, dst, dry):
878
"""Creates a symlink in a given location. Creates all parent directories
881
dstdir = os.path.split(dst)[0]
882
if not os.path.isdir(dstdir):
883
action_mkdir(dstdir, dry)
884
# Delete existing file
885
if os.path.exists(dst):
887
print "ln -fs", src, dst
891
def action_append(ivle_pth, ivle_www):
892
file = open(ivle_pth, 'a+')
893
file.write(ivle_www + '\n')
896
def action_chown_setuid(file, dry):
897
"""Chowns a file to root, and sets the setuid bit on the file.
898
Calling this function requires the euid to be root.
899
The actual mode of path is set to: rws--s--s
901
print "chown root:root", file
904
print "chmod a+xs", file
905
print "chmod u+rw", file
907
os.chmod(file, stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH
908
| stat.S_ISUID | stat.S_IRUSR | stat.S_IWUSR)
910
def action_chmod_x(file, dry):
911
"""Chmod 755 a file (sets permissions to rwxr-xr-x)."""
912
print "chmod 755", file
914
os.chmod(file, stat.S_IXUSR | stat.S_IRUSR | stat.S_IWUSR
915
| stat.S_IXGRP | stat.S_IRGRP | stat.S_IXOTH | stat.S_IROTH)
917
def query_user(default, prompt):
918
"""Prompts the user for a string, which is read from a line of stdin.
919
Exits silently if EOF is encountered. Returns the string, with spaces
920
removed from the beginning and end.
922
Returns default if a 0-length line (after spaces removed) was read.
924
sys.stdout.write('%s\n (default: "%s")\n>' % (prompt, default))
926
val = sys.stdin.readline()
927
except KeyboardInterrupt:
929
sys.stdout.write("\n")
931
sys.stdout.write("\n")
933
if val == '': sys.exit(1)
934
# If empty line, return default
936
if val == '': return default
939
def filter_mutate(function, list):
940
"""Like built-in filter, but mutates the given list instead of returning a
941
new one. Returns None."""
944
# Delete elements which do not match
945
if not function(list[i]):
93
949
if __name__ == "__main__":
added
removed
setup.py
