/usr/share/subversion/hook-scripts/verify-po.py is in subversion-tools 1.6.17dfsg-3ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | #!/usr/bin/python
"""This is a pre-commit hook that checks whether the contents of PO files
committed to the repository are encoded in UTF-8.
"""
import codecs
import string
import sys
import subprocess
from svn import core, fs, delta, repos
# Set to the path of the 'msgfmt' executable to use msgfmt to check
# the syntax of the po file
USE_MSGFMT = None
if USE_MSGFMT is not None:
class MsgFmtChecker:
def __init__(self):
self.pipe = subprocess.Popen([USE_MSGFMT, "-c", "-o", "/dev/null", "-"],
stdin=subprocess.PIPE,
close_fds=sys.platform != "win32")
self.io_error = 0
def write(self, data):
if self.io_error:
return
try:
self.pipe.stdin.write(data)
except IOError:
self.io_error = 1
def close(self):
try:
self.pipe.stdin.close()
except IOError:
self.io_error = 1
return self.pipe.wait() == 0 and not self.io_error
else:
class MsgFmtChecker:
def write(self, data):
pass
def close(self):
return 1
class ChangeReceiver(delta.Editor):
def __init__(self, txn_root, base_root, pool):
self.txn_root = txn_root
self.base_root = base_root
self.pool = pool
def add_file(self, path, parent_baton,
copyfrom_path, copyfrom_revision, file_pool):
return [0, path]
def open_file(self, path, parent_baton, base_revision, file_pool):
return [0, path]
def apply_textdelta(self, file_baton, base_checksum):
file_baton[0] = 1
# no handler
return None
def close_file(self, file_baton, text_checksum):
changed, path = file_baton
if len(path) < 3 or path[-3:] != '.po' or not changed:
# This is not a .po file, or it hasn't changed
return
try:
# Read the file contents through a validating UTF-8 decoder
subpool = core.svn_pool_create(self.pool)
checker = MsgFmtChecker()
try:
stream = core.Stream(fs.file_contents(self.txn_root, path, subpool))
reader = codecs.getreader('UTF-8')(stream, 'strict')
writer = codecs.getwriter('UTF-8')(checker, 'strict')
while 1:
data = reader.read(core.SVN_STREAM_CHUNK_SIZE)
if not data:
break
writer.write(data)
if not checker.close():
sys.exit("PO format check failed for '" + path + "'")
except UnicodeError:
sys.exit("PO file is not in UTF-8: '" + path + "'")
finally:
core.svn_pool_destroy(subpool)
def check_po(pool, repos_path, txn):
def authz_cb(root, path, pool):
return 1
fs_ptr = repos.fs(repos.open(repos_path, pool))
txn_ptr = fs.open_txn(fs_ptr, txn, pool)
txn_root = fs.txn_root(txn_ptr, pool)
base_root = fs.revision_root(fs_ptr, fs.txn_base_revision(txn_ptr), pool)
editor = ChangeReceiver(txn_root, base_root, pool)
e_ptr, e_baton = delta.make_editor(editor, pool)
repos.dir_delta(base_root, '', '', txn_root, '',
e_ptr, e_baton, authz_cb, 0, 1, 0, 0, pool)
if __name__ == '__main__':
assert len(sys.argv) == 3
core.run_app(check_po, sys.argv[1], sys.argv[2])
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