gecko/addon-sdk/source/python-lib/cuddlefish/packaging.py
2013-08-20 18:24:12 -07:00

457 lines
16 KiB
Python

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import os
import sys
import re
import copy
import simplejson as json
from cuddlefish.bunch import Bunch
MANIFEST_NAME = 'package.json'
DEFAULT_LOADER = 'addon-sdk'
# Is different from root_dir when running tests
env_root = os.environ.get('CUDDLEFISH_ROOT')
DEFAULT_PROGRAM_MODULE = 'main'
DEFAULT_ICON = 'icon.png'
DEFAULT_ICON64 = 'icon64.png'
METADATA_PROPS = ['name', 'description', 'keywords', 'author', 'version',
'translators', 'contributors', 'license', 'homepage', 'icon',
'icon64', 'main', 'directories', 'permissions']
RESOURCE_HOSTNAME_RE = re.compile(r'^[a-z0-9_\-]+$')
class Error(Exception):
pass
class MalformedPackageError(Error):
pass
class MalformedJsonFileError(Error):
pass
class DuplicatePackageError(Error):
pass
class PackageNotFoundError(Error):
def __init__(self, missing_package, reason):
self.missing_package = missing_package
self.reason = reason
def __str__(self):
return "%s (%s)" % (self.missing_package, self.reason)
class BadChromeMarkerError(Error):
pass
def validate_resource_hostname(name):
"""
Validates the given hostname for a resource: URI.
For more information, see:
https://bugzilla.mozilla.org/show_bug.cgi?id=566812#c13
Examples:
>>> validate_resource_hostname('blarg')
>>> validate_resource_hostname('bl arg')
Traceback (most recent call last):
...
ValueError: Error: the name of your package contains an invalid character.
Package names can contain only lower-case letters, numbers, underscores, and dashes.
Current package name: bl arg
>>> validate_resource_hostname('BLARG')
Traceback (most recent call last):
...
ValueError: Error: the name of your package contains upper-case letters.
Package names can contain only lower-case letters, numbers, underscores, and dashes.
Current package name: BLARG
>>> validate_resource_hostname('foo@bar')
Traceback (most recent call last):
...
ValueError: Error: the name of your package contains an invalid character.
Package names can contain only lower-case letters, numbers, underscores, and dashes.
Current package name: foo@bar
"""
# See https://bugzilla.mozilla.org/show_bug.cgi?id=568131 for details.
if not name.islower():
raise ValueError("""Error: the name of your package contains upper-case letters.
Package names can contain only lower-case letters, numbers, underscores, and dashes.
Current package name: %s""" % name)
if not RESOURCE_HOSTNAME_RE.match(name):
raise ValueError("""Error: the name of your package contains an invalid character.
Package names can contain only lower-case letters, numbers, underscores, and dashes.
Current package name: %s""" % name)
def find_packages_with_module(pkg_cfg, name):
# TODO: Make this support more than just top-level modules.
filename = "%s.js" % name
packages = []
for cfg in pkg_cfg.packages.itervalues():
if 'lib' in cfg:
matches = [dirname for dirname in resolve_dirs(cfg, cfg.lib)
if os.path.exists(os.path.join(dirname, filename))]
if matches:
packages.append(cfg.name)
return packages
def resolve_dirs(pkg_cfg, dirnames):
for dirname in dirnames:
yield resolve_dir(pkg_cfg, dirname)
def resolve_dir(pkg_cfg, dirname):
return os.path.join(pkg_cfg.root_dir, dirname)
def validate_permissions(perms):
if (perms.get('cross-domain-content') and
not isinstance(perms.get('cross-domain-content'), list)):
raise ValueError("Error: `cross-domain-content` permissions in \
package.json file must be an array of strings:\n %s" % perms)
def get_metadata(pkg_cfg, deps):
metadata = Bunch()
for pkg_name in deps:
cfg = pkg_cfg.packages[pkg_name]
metadata[pkg_name] = Bunch()
for prop in METADATA_PROPS:
if cfg.get(prop):
if prop == 'permissions':
validate_permissions(cfg[prop])
metadata[pkg_name][prop] = cfg[prop]
return metadata
def set_section_dir(base_json, name, base_path, dirnames, allow_root=False):
resolved = compute_section_dir(base_json, base_path, dirnames, allow_root)
if resolved:
base_json[name] = os.path.abspath(resolved)
def compute_section_dir(base_json, base_path, dirnames, allow_root):
# PACKAGE_JSON.lib is highest priority
# then PACKAGE_JSON.directories.lib
# then lib/ (if it exists)
# then . (but only if allow_root=True)
for dirname in dirnames:
if base_json.get(dirname):
return os.path.join(base_path, base_json[dirname])
if "directories" in base_json:
for dirname in dirnames:
if dirname in base_json.directories:
return os.path.join(base_path, base_json.directories[dirname])
for dirname in dirnames:
if os.path.isdir(os.path.join(base_path, dirname)):
return os.path.join(base_path, dirname)
if allow_root:
return os.path.abspath(base_path)
return None
def normalize_string_or_array(base_json, key):
if base_json.get(key):
if isinstance(base_json[key], basestring):
base_json[key] = [base_json[key]]
def load_json_file(path):
data = open(path, 'r').read()
try:
return Bunch(json.loads(data))
except ValueError, e:
raise MalformedJsonFileError('%s when reading "%s"' % (str(e),
path))
def get_config_in_dir(path):
package_json = os.path.join(path, MANIFEST_NAME)
if not (os.path.exists(package_json) and
os.path.isfile(package_json)):
raise MalformedPackageError('%s not found in "%s"' % (MANIFEST_NAME,
path))
base_json = load_json_file(package_json)
if 'name' not in base_json:
base_json.name = os.path.basename(path)
# later processing steps will expect to see the following keys in the
# base_json that we return:
#
# name: name of the package
# lib: list of directories with .js files
# test: list of directories with test-*.js files
# doc: list of directories with documentation .md files
# data: list of directories with bundled arbitrary data files
# packages: ?
if (not base_json.get('tests') and
os.path.isdir(os.path.join(path, 'test'))):
base_json['tests'] = 'test'
set_section_dir(base_json, 'lib', path, ['lib'], True)
set_section_dir(base_json, 'tests', path, ['test', 'tests'], False)
set_section_dir(base_json, 'doc', path, ['doc', 'docs'])
set_section_dir(base_json, 'data', path, ['data'])
set_section_dir(base_json, 'packages', path, ['packages'])
set_section_dir(base_json, 'locale', path, ['locale'])
if (not base_json.get('icon') and
os.path.isfile(os.path.join(path, DEFAULT_ICON))):
base_json['icon'] = DEFAULT_ICON
if (not base_json.get('icon64') and
os.path.isfile(os.path.join(path, DEFAULT_ICON64))):
base_json['icon64'] = DEFAULT_ICON64
for key in ['lib', 'tests', 'dependencies', 'packages']:
# TODO: lib/tests can be an array?? consider interaction with
# compute_section_dir above
normalize_string_or_array(base_json, key)
if 'main' not in base_json and 'lib' in base_json:
for dirname in base_json['lib']:
program = os.path.join(path, dirname,
'%s.js' % DEFAULT_PROGRAM_MODULE)
if os.path.exists(program):
base_json['main'] = DEFAULT_PROGRAM_MODULE
break
base_json.root_dir = path
if "dependencies" in base_json:
deps = base_json["dependencies"]
deps = [x for x in deps if x not in ["addon-kit", "api-utils"]]
deps.append("addon-sdk")
base_json["dependencies"] = deps
return base_json
def _is_same_file(a, b):
if hasattr(os.path, 'samefile'):
return os.path.samefile(a, b)
return a == b
def build_config(root_dir, target_cfg, packagepath=[]):
dirs_to_scan = [env_root] # root is addon-sdk dir, diff from root_dir in tests
def add_packages_from_config(pkgconfig):
if 'packages' in pkgconfig:
for package_dir in resolve_dirs(pkgconfig, pkgconfig.packages):
dirs_to_scan.append(package_dir)
add_packages_from_config(target_cfg)
packages_dir = os.path.join(root_dir, 'packages')
if os.path.exists(packages_dir) and os.path.isdir(packages_dir):
dirs_to_scan.append(packages_dir)
dirs_to_scan.extend(packagepath)
packages = Bunch({target_cfg.name: target_cfg})
while dirs_to_scan:
packages_dir = dirs_to_scan.pop()
if os.path.exists(os.path.join(packages_dir, "package.json")):
package_paths = [packages_dir]
else:
package_paths = [os.path.join(packages_dir, dirname)
for dirname in os.listdir(packages_dir)
if not dirname.startswith('.')]
package_paths = [dirname for dirname in package_paths
if os.path.isdir(dirname)]
for path in package_paths:
pkgconfig = get_config_in_dir(path)
if pkgconfig.name in packages:
otherpkg = packages[pkgconfig.name]
if not _is_same_file(otherpkg.root_dir, path):
raise DuplicatePackageError(path, otherpkg.root_dir)
else:
packages[pkgconfig.name] = pkgconfig
add_packages_from_config(pkgconfig)
return Bunch(packages=packages)
def get_deps_for_targets(pkg_cfg, targets):
visited = []
deps_left = [[dep, None] for dep in list(targets)]
while deps_left:
[dep, required_by] = deps_left.pop()
if dep not in visited:
visited.append(dep)
if dep not in pkg_cfg.packages:
required_reason = ("required by '%s'" % (required_by)) \
if required_by is not None \
else "specified as target"
raise PackageNotFoundError(dep, required_reason)
dep_cfg = pkg_cfg.packages[dep]
deps_left.extend([[i, dep] for i in dep_cfg.get('dependencies', [])])
deps_left.extend([[i, dep] for i in dep_cfg.get('extra_dependencies', [])])
return visited
def generate_build_for_target(pkg_cfg, target, deps,
include_tests=True,
include_dep_tests=False,
is_running_tests=False,
default_loader=DEFAULT_LOADER):
build = Bunch(# Contains section directories for all packages:
packages=Bunch(),
locale=Bunch()
)
def add_section_to_build(cfg, section, is_code=False,
is_data=False):
if section in cfg:
dirnames = cfg[section]
if isinstance(dirnames, basestring):
# This is just for internal consistency within this
# function, it has nothing to do w/ a non-canonical
# configuration dict.
dirnames = [dirnames]
for dirname in resolve_dirs(cfg, dirnames):
# ensure that package name is valid
try:
validate_resource_hostname(cfg.name)
except ValueError, err:
print err
sys.exit(1)
# ensure that this package has an entry
if not cfg.name in build.packages:
build.packages[cfg.name] = Bunch()
# detect duplicated sections
if section in build.packages[cfg.name]:
raise KeyError("package's section already defined",
cfg.name, section)
# Register this section (lib, data, tests)
build.packages[cfg.name][section] = dirname
def add_locale_to_build(cfg):
# Bug 730776: Ignore locales for addon-kit, that are only for unit tests
if not is_running_tests and cfg.name == "addon-sdk":
return
path = resolve_dir(cfg, cfg['locale'])
files = os.listdir(path)
for filename in files:
fullpath = os.path.join(path, filename)
if os.path.isfile(fullpath) and filename.endswith('.properties'):
language = filename[:-len('.properties')]
from property_parser import parse_file, MalformedLocaleFileError
try:
content = parse_file(fullpath)
except MalformedLocaleFileError, msg:
print msg[0]
sys.exit(1)
# Merge current locales into global locale hashtable.
# Locale files only contains one big JSON object
# that act as an hastable of:
# "keys to translate" => "translated keys"
if language in build.locale:
merge = (build.locale[language].items() +
content.items())
build.locale[language] = Bunch(merge)
else:
build.locale[language] = content
def add_dep_to_build(dep):
dep_cfg = pkg_cfg.packages[dep]
add_section_to_build(dep_cfg, "lib", is_code=True)
add_section_to_build(dep_cfg, "data", is_data=True)
if include_tests and include_dep_tests:
add_section_to_build(dep_cfg, "tests", is_code=True)
if 'locale' in dep_cfg:
add_locale_to_build(dep_cfg)
if ("loader" in dep_cfg) and ("loader" not in build):
build.loader = "%s/%s" % (dep,
dep_cfg.loader)
target_cfg = pkg_cfg.packages[target]
if include_tests and not include_dep_tests:
add_section_to_build(target_cfg, "tests", is_code=True)
for dep in deps:
add_dep_to_build(dep)
if 'loader' not in build:
add_dep_to_build(DEFAULT_LOADER)
if 'icon' in target_cfg:
build['icon'] = os.path.join(target_cfg.root_dir, target_cfg.icon)
del target_cfg['icon']
if 'icon64' in target_cfg:
build['icon64'] = os.path.join(target_cfg.root_dir, target_cfg.icon64)
del target_cfg['icon64']
if ('preferences' in target_cfg):
build['preferences'] = target_cfg.preferences
return build
def _get_files_in_dir(path):
data = {}
files = os.listdir(path)
for filename in files:
fullpath = os.path.join(path, filename)
if os.path.isdir(fullpath):
data[filename] = _get_files_in_dir(fullpath)
else:
try:
info = os.stat(fullpath)
data[filename] = ("file", dict(size=info.st_size))
except OSError:
pass
return ("directory", data)
def build_pkg_index(pkg_cfg):
pkg_cfg = copy.deepcopy(pkg_cfg)
for pkg in pkg_cfg.packages:
root_dir = pkg_cfg.packages[pkg].root_dir
files = _get_files_in_dir(root_dir)
pkg_cfg.packages[pkg].files = files
try:
readme = open(root_dir + '/README.md').read()
pkg_cfg.packages[pkg].readme = readme
except IOError:
pass
del pkg_cfg.packages[pkg].root_dir
return pkg_cfg.packages
def build_pkg_cfg(root):
pkg_cfg = build_config(root, Bunch(name='dummy'))
del pkg_cfg.packages['dummy']
return pkg_cfg
def call_plugins(pkg_cfg, deps):
for dep in deps:
dep_cfg = pkg_cfg.packages[dep]
dirnames = dep_cfg.get('python-lib', [])
for dirname in resolve_dirs(dep_cfg, dirnames):
sys.path.append(dirname)
module_names = dep_cfg.get('python-plugins', [])
for module_name in module_names:
module = __import__(module_name)
module.init(root_dir=dep_cfg.root_dir)
def call_cmdline_tool(env_root, pkg_name):
pkg_cfg = build_config(env_root, Bunch(name='dummy'))
if pkg_name not in pkg_cfg.packages:
print "This tool requires the '%s' package." % pkg_name
sys.exit(1)
cfg = pkg_cfg.packages[pkg_name]
for dirname in resolve_dirs(cfg, cfg['python-lib']):
sys.path.append(dirname)
module_name = cfg.get('python-cmdline-tool')
module = __import__(module_name)
module.run()