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# waf script called from the root wscript, by
# conf.recurse("help")
# Mallard waf adaptor written by Ulrik Sverdrup
# may be distributed, changed, used, etc freely for any purpose
## Mallard functionality definitions ##
import os
from waflib import Logs, TaskGen
def _read_makefile_am(filename):
"read a Makefile.am file for HELP_* variable definitions, return a dict"
varstring = open(filename).read()
varstring = varstring.replace("\\\n", " ")
varlines = [L for L in varstring.splitlines() if L.startswith("HELP")]
return dict(tuple(map(str.strip, var.split("=", 1))) for var in varlines)
def init_mallard(self):
mf_am = self.path.find_resource(self.variable_definitions)
HELP_VAR = _read_makefile_am(mf_am.abspath())
require_vars = "HELP_ID HELP_LINGUAS HELP_FILES".split()
have_vars = set(var for var in HELP_VAR if HELP_VAR[var])
missing_vars = set(require_vars).difference(have_vars)
if missing_vars:
print("Missing HELP variable declarations in {}:".format(mf_am.abspath()))
print("\n".join(missing_vars))
self.bld.env.update(HELP_VAR)
self.default_install_path='${PREFIX}/share/help'
def apply_mallard(self):
bld = self.bld
lst = self.to_list(bld.env["HELP_LINGUAS"])
cnode = self.path.find_dir("C")
pages = [p.name for p in cnode.ant_glob(["*.page", "*.xml"])]
# Check if the declared page list is consistent
declared_pages = self.to_list(bld.env["HELP_FILES"])
missing_pages = set(pages).difference(declared_pages)
if missing_pages:
print("Warning: Some pages not declared:")
print("\n".join(missing_pages))
install_path = lambda lang: os.path.join(bld.env.DATADIR, "help", lang, "${HELP_ID}")
for lang in lst:
node = self.path.find_resource("%s/%s.po" % (lang, lang))
mo = self.path.find_or_declare("%s/%s.mo" % (lang, lang))
bld(name='msgfmt', color='BLUE',
rule='${MSGFMT} ${SRC} -o ${TGT}',
source=node,
target=mo,
)
for page in pages:
out = self.path.find_or_declare('%s/%s' % (lang, page))
src = self.path.find_resource('C/%s' % page)
bld(name='itstool', color='BLUE',
rule='${ITSTOOL} -m ${SRC} -o ${TGT}',
source=[mo, src],
target=out,
install_path=install_path(lang)
)
if bld.is_install:
page_nodes = [cnode.find_resource(page) for page in pages]
instdir = install_path("C")
bld.install_files(instdir, page_nodes)
TaskGen.feature("mallard")(init_mallard)
TaskGen.feature("mallard")(apply_mallard)
TaskGen.after('init_mallard')(apply_mallard)
## End Mallard functionality ##
# Build Configuration
def configure(ctx):
lookfor = "itstool"
try:
ctx.find_program('msgfmt', var='MSGFMT')
ctx.find_program(lookfor, var='ITSTOOL')
ctx.env.docs = True
except ctx.errors.ConfigurationError:
Logs.warn("'{}' not found; documentation build disabled".format(lookfor))
ctx.env.docs = False
def build(ctx):
if ctx.env.docs:
task = ctx(
features="mallard",
variable_definitions="Makefile.am",
)
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