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import base64
import json
import os
import re
import sys
import shutil
import tempfile
import textwrap
import zipfile
class _Formatting(object):
@staticmethod
def is_str(strval):
return isinstance(strval, (bytes, str))
@staticmethod
def encoding_needed(strval):
return isinstance(strval, str)
@staticmethod
def escape_special_symbols(strval):
encoding_needed = _Formatting.encoding_needed(strval)
c_str = strval.encode('utf-8') if encoding_needed else strval
retval = b""
for c in c_str:
c = bytes([c])
if c in (b"\\", b"\""):
retval += b"\\" + c
elif ord(c) < ord(' '):
retval += c.decode('latin-1').encode('unicode_escape')
else:
retval += c
return retval.decode('utf-8') if encoding_needed else retval
@staticmethod
def escape_line_feed(strval, indent=' '):
return strval.replace(r'\n', '\\n"\\\n' + indent + '"')
@staticmethod
def escape_trigraphs(strval):
return strval.replace(r'?', '\\?')
@staticmethod
def escaped_define(strkey, val):
name = "#define " + strkey + " "
if _Formatting.is_str(val):
define = "\"" + _Formatting.escape_line_feed(
_Formatting.escape_trigraphs(_Formatting.escape_special_symbols(val))) + "\""
else:
define = str(val)
return name + define
@staticmethod
def escaped_go_map_key(strkey, strval):
if _Formatting.is_str(strval):
return ' ' + '"' + strkey + '": "' + _Formatting.escape_special_symbols(strval) + '",'
else:
return ' ' + '"' + strkey + '": "' + str(strval) + '",'
def get_default_json():
return json.loads('''{
"ARCADIA_SOURCE_HG_HASH": "0000000000000000000000000000000000000000",
"ARCADIA_SOURCE_LAST_AUTHOR": "<UNKNOWN>",
"ARCADIA_SOURCE_LAST_CHANGE": -1,
"ARCADIA_SOURCE_PATH": "/",
"ARCADIA_SOURCE_REVISION": -1,
"ARCADIA_SOURCE_URL": "",
"BRANCH": "unknown-vcs-branch",
"BUILD_DATE": "",
"BUILD_TIMESTAMP": 0,
"BUILD_HOST": "localhost",
"BUILD_USER": "nobody",
"PROGRAM_VERSION": "Arc info:\\n Branch: unknown-vcs-branch\\n Commit: 0000000000000000000000000000000000000000\\n Author: <UNKNOWN>\\n Summary: No VCS\\n\\n",
"SCM_DATA": "Arc info:\\n Branch: unknown-vcs-branch\\n Commit: 0000000000000000000000000000000000000000\\n Author: <UNKNOWN>\\n Summary: No VCS\\n",
"VCS": "arc",
"ARCADIA_PATCH_NUMBER": 0,
"ARCADIA_TAG": ""
}''')
def get_json(file_name):
try:
with open(file_name, 'r') as f:
out = json.load(f)
# TODO: check 'tar+svn' parsing
for num_var in ['ARCADIA_SOURCE_REVISION', 'ARCADIA_SOURCE_LAST_CHANGE', 'SVN_REVISION']:
if num_var in out and _Formatting.is_str(out[num_var]):
try:
out[num_var] = int(out[num_var])
except:
out[num_var] = -1
return out
except:
return get_default_json()
def print_c(json_file, output_file, argv):
""" params:
json file
output file
$(SOURCE_ROOT)/build/scripts/c_templates/svn_interface.c"""
interface = argv[0]
with open(interface) as c:
c_file = c.read()
with open(output_file, 'w') as f:
header = '\n'.join(_Formatting.escaped_define(k, v) for k, v in json_file.items())
f.write(header + '\n' + c_file)
def merge_java_content(old_content, json_file):
new_content, names = print_java_mf(json_file)
def split_to_sections(content):
sections = []
cur_section = []
for l in content:
if l.rstrip():
cur_section.append(l)
else:
sections.append(cur_section)
cur_section = []
if cur_section: # should not be needed according to format specification
sections.append(cur_section)
return sections
def drop_duplicate_entries(main_section, names):
header = re.compile('^([A-Za-z0-9][A-Za-z0-9_-]*): .*$')
new_main_section = []
for l in main_section:
match = header.match(l)
# duplicate entry
if match:
skip = match.group(1) in names
if not skip:
new_main_section.append(l)
return new_main_section
if old_content:
sections = split_to_sections(old_content)
sections[0] = drop_duplicate_entries(sections[0], names)
else:
sections = [['Manifest-Version: 1.0\n']]
sections[0].extend(map(lambda x: x + '\n', new_content))
return ''.join(map(lambda x: ''.join(x), sections)) + '\n'
def merge_java_mf_jar(json_file, out_manifest, jar_file):
try:
temp_dir = tempfile.mkdtemp()
try:
with zipfile.ZipFile(jar_file, 'r') as jar:
jar.extract(os.path.join('META-INF', 'MANIFEST.MF'), path=temp_dir)
except KeyError:
pass
merge_java_mf_dir(json_file, out_manifest, temp_dir)
finally:
shutil.rmtree(temp_dir)
def merge_java_mf_dir(json_file, out_manifest, input_dir):
manifest = os.path.join(input_dir, 'META-INF', 'MANIFEST.MF')
old_lines = []
if os.path.isfile(manifest):
with open(manifest, 'r') as f:
old_lines = f.readlines()
with open(out_manifest, 'w') as f:
f.write(merge_java_content(old_lines, json_file))
def merge_java_mf(json_file, out_manifest, input):
if zipfile.is_zipfile(input):
merge_java_mf_jar(json_file, out_manifest, input)
elif os.path.isdir(input):
merge_java_mf_dir(json_file, out_manifest, input)
def print_java_mf(info):
wrapper = textwrap.TextWrapper(subsequent_indent=' ',
break_long_words=True,
replace_whitespace=False,
drop_whitespace=False)
names = set()
def wrap(key, val):
names.add(key[:-2])
if not val:
return []
return wrapper.wrap(key + val)
lines = wrap('Program-Version-String: ', base64.b64encode(info['PROGRAM_VERSION'].encode('utf-8')).decode('utf-8'))
lines += wrap('SCM-String: ', base64.b64encode(info['SCM_DATA'].encode('utf-8')).decode('utf-8'))
lines += wrap('Arcadia-Source-Path: ', info['ARCADIA_SOURCE_PATH'])
lines += wrap('Arcadia-Source-URL: ', info['ARCADIA_SOURCE_URL'])
lines += wrap('Arcadia-Source-Revision: ', str(info['ARCADIA_SOURCE_REVISION']))
lines += wrap('Arcadia-Source-Hash: ', info['ARCADIA_SOURCE_HG_HASH'].rstrip())
lines += wrap('Arcadia-Source-Last-Change: ', str(info['ARCADIA_SOURCE_LAST_CHANGE']))
lines += wrap('Arcadia-Source-Last-Author: ', info['ARCADIA_SOURCE_LAST_AUTHOR'])
lines += wrap('Build-User: ', info['BUILD_USER'])
lines += wrap('Build-Host: ', info['BUILD_HOST'])
lines += wrap('Version-Control-System: ', info['VCS'])
lines += wrap('Branch: ', info['BRANCH'])
lines += wrap('Arcadia-Tag: ', info.get('ARCADIA_TAG', ''))
lines += wrap('Arcadia-Patch-Number: ', str(info.get('ARCADIA_PATCH_NUMBER', 42)))
if 'SVN_REVISION' in info:
lines += wrap('SVN-Revision: ', str(info['SVN_REVISION']))
lines += wrap('SVN-Arcroot: ', info['SVN_ARCROOT'])
lines += wrap('SVN-Time: ', info['SVN_TIME'])
lines += wrap('Build-Date: ', info['BUILD_DATE'])
if 'BUILD_TIMESTAMP' in info:
lines += wrap('Build-Timestamp: ', str(info['BUILD_TIMESTAMP']))
return lines, names
def print_java(json_file, output_file, argv):
""" params:
json file
output file
file"""
input = argv[0] if argv else os.curdir
merge_java_mf(json_file, output_file, input)
def print_go(json_file, output_file):
def gen_map(info):
lines = []
for k, v in info.items():
lines.append(_Formatting.escaped_go_map_key(k, v))
return lines
with open(output_file, 'w') as f:
f.write('\n'.join([
'package main',
'import ("a.yandex-team.ru/library/go/core/buildinfo")',
'var buildinfomap = map[string]string {'] + gen_map(json_file) + ['}'] +
['func init() {',
' buildinfo.InitBuildInfo(buildinfomap)',
'}']
) + '\n')
if __name__ == '__main__':
if 'output-go' in sys.argv:
lang = 'Go'
sys.argv.remove('output-go')
elif 'output-java' in sys.argv:
lang = 'Java'
sys.argv.remove('output-java')
else:
lang = 'C'
if 'no-vcs' in sys.argv:
sys.argv.remove('no-vcs')
json_file = get_default_json()
else:
json_name = sys.argv[1]
json_file = get_json(json_name)
if lang == 'Go':
print_go(json_file, sys.argv[2])
elif lang == 'Java':
print_java(json_file, sys.argv[2], sys.argv[3:])
else:
print_c(json_file, sys.argv[2], sys.argv[3:])
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