def _minify_buildout(src):
"""
Run minification on all javascript files in directory src. Minification
is done in-place, so the original file is replaced with the minified one.
"""
for base, dirs, files in os.walk(src):
for file in [f for f in files if f.endswith(".js")]:
abs = os.path.join(base, file)
jsminify.minify_in_place(abs)
def _process_directives(root, filepath, vars):
"""
Process all directives in the file filepath. The root dir is in root
TODO: Refactor this to use separate functions for each directive and
just pass in a context for it to keep stuff in.
"""
file = open(filepath)
tmpfd, tmppath = tempfile.mkstemp(".tmp", "dfbuild.")
tmpfile = os.fdopen(tmpfd, "w")
known_files = {}
current_css_file = None
current_js_file = None
for line in file:
match_cmd = _re_command.search(line)
match_css = _re_css.search(line)
match_js = _re_script.search(line)
match_comment = _re_comment.search(line)
if match_cmd:
cmd, target, neg, cond = match_cmd.groups()
if cond: # check if this directive is conditional
c = bool(cond in vars and vars[cond])
if neg:
c = not c
if not c: # the condition was not met, skip rule
continue
# at this point the rule will be honoured
if cmd == "concat_css":
if target in ["off", "false", "no"]:
current_css_file = None
elif target in known_files:
current_css_file = target
else:
known_files[target] = []
current_css_file = target
tmpfile.write(_style_ele % target)
continue
elif cmd == "concat_js":
if target in ["off", "false", "no"]:
current_js_file = None
elif target in known_files:
current_js_file = target
else:
known_files[target] = []
current_js_file = target
tmpfile.write(_script_ele % target)
continue
elif cmd == "set_rel_base_url" and \
vars.has_key("base_url") and vars["base_url"]:
tmpfile.write(_base_url % vars["base_url"])
continue
else: # some other unknown command! Let fall through so line is written
pass
elif match_comment:
continue
elif match_css:
if current_css_file:
known_files[current_css_file].append(match_css.group("href"))
continue
elif match_js:
if current_js_file:
known_files[current_js_file].append(match_js.group("src"))
#fixme: The following continue should have been on the same level as this comment. However, that causes lang files to be included. must fix
continue
elif line.isspace():
continue
tmpfile.write(line)
tmpfile.close()
# write back the temp stuff, which is now the authoritative stuff:
shutil.copy(tmppath, filepath)
os.unlink(tmppath)
for outfile, contentfiles in known_files.items():
outpath = os.path.join(root, outfile)
outdir = os.path.dirname(outpath)
if not os.path.isdir(outdir):
os.makedirs(outdir)
fout_path = os.path.join(root, outfile)
fout = codecs.open(fout_path, "w", encoding="utf_8_sig")
for infile in contentfiles:
fout.write(_concatcomment % infile)
fin = codecs.open(os.path.join(root, infile), "r", encoding="utf_8_sig")
fout.write(fin.read())
fin.close()
os.unlink(os.path.join(root, infile))
fout.close()
if fout_path.endswith('.js') and options.minify:
# fout is a temp file here
jsminify.minify_in_place(fout_path)
