Source code for galaxy.config.config_manage

import argparse
import os
import shutil
import string
import sys
import tempfile
from collections import (
    namedtuple,
    OrderedDict
)
from textwrap import TextWrapper

import requests
import yaml
from boltons.iterutils import remap
from six import StringIO

try:
    from pykwalify.core import Core
except ImportError:
    Core = None

if __name__ == '__main__':
    sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir, os.pardir)))


from galaxy.config import GALAXY_CONFIG_SCHEMA_PATH
from galaxy.config.schema import (
    AppSchema,
    OPTION_DEFAULTS,
    Schema,
)
from galaxy.util import safe_makedirs
from galaxy.util.properties import nice_config_parser
from galaxy.util.yaml_util import (
    ordered_dump,
    ordered_load,
)


DESCRIPTION = "Convert configuration files."

APP_DESCRIPTION = """Application to target for operation (i.e. galaxy, tool_shed, or reports))"""
DRY_RUN_DESCRIPTION = """If this action modifies files, just print what would be the result and continue."""
UNKNOWN_OPTION_MESSAGE = "Option [%s] not found in schema - either it is invalid or the Galaxy team hasn't documented it. If invalid, you should manually remove it. If the option is valid but undocumented, please file an issue with the Galaxy team."
USING_SAMPLE_MESSAGE = "Path [%s] not a file, using sample."
EXTRA_SERVER_MESSAGE = "Additional server section after [%s] encountered [%s], will be ignored."
MISSING_FILTER_TYPE_MESSAGE = "Missing filter type for section [%s], it will be ignored."
UNHANDLED_FILTER_TYPE_MESSAGE = "Unhandled filter type encountered [%s] for section [%s]."
NO_APP_MAIN_MESSAGE = "No app:main section found, using application defaults throughout."
YAML_COMMENT_WRAPPER = TextWrapper(initial_indent="# ", subsequent_indent="# ", break_long_words=False, break_on_hyphens=False)
RST_DESCRIPTION_WRAPPER = TextWrapper(initial_indent="    ", subsequent_indent="    ", break_long_words=False, break_on_hyphens=False)
UWSGI_SCHEMA_PATH = "lib/galaxy/webapps/uwsgi_schema.yml"

App = namedtuple(
    "App",
    ["config_paths", "default_port", "expected_app_factories", "destination", "schema_path", "uwsgi_module"]
)

UWSGI_OPTIONS = OrderedDict([
    ('http', {
        'desc': """The address and port on which to listen.  By default, only listen to localhost ($app_name will not be accessible over the network).  Use ':$default_port' to listen on all available network interfaces.""",
        'default': '127.0.0.1:$default_port',
        'type': 'str',
    }),
    ('buffer-size', {
        'desc': """By default uWSGI allocates a very small buffer (4096 bytes) for the headers of each request. If you start receiving "invalid request block size" in your logs, it could mean you need a bigger buffer. We recommend at least 16384.""",
        'default': 16384,
        'type': 'int',
    }),
    ('processes', {
        'desc': """Number of web server (worker) processes to fork after the application has loaded. If this is set to greater than 1, thunder-lock likely should be enabled below.""",
        'default': 1,
        'type': 'int',
    }),
    ('threads', {
        'desc': """Number of threads for each web server process.""",
        'default': 4,
        'type': 'int',
    }),
    ('offload-threads', {
        'desc': """Number of threads for serving static content and handling internal routing requests.""",
        'default': 2,
        'type': 'int',
    }),
    ('static-map.1', {
        'key': 'static-map',
        'desc': """Mapping to serve static content.""",
        'default': '/static=static',
        'type': 'str',
    }),
    ('static-map.2', {
        'key': 'static-map',
        'desc': """Mapping to serve the favicon.""",
        'default': '/favicon.ico=static/favicon.ico',
        'type': 'str',
    }),
    ('static-safe', {
        'key': 'static-safe',
        'desc': """Allow serving certain assets out of `client`.  Most modern Galaxy interfaces bundle all of this, but some older pages still serve these via symlink, requiring this rule.""",
        'default': 'client/src/assets',
        'type': 'str',
    }),
    ('master', {
        'desc': """Enable the master process manager. Disabled by default for maximum compatibility with CTRL+C, but should be enabled for use with --daemon and/or production deployments.""",
        'default': False,
        'type': 'bool',
    }),
    ('virtualenv', {
        'desc': """Path to the application's Python virtual environment. If using Conda for Galaxy's framework dependencies (not tools!), do not set this.""",
        'default': '.venv',
        'type': 'str',
    }),
    ('pythonpath', {
        'desc': """Path to the application's Python library.""",
        'default': 'lib',
        'type': 'str',
    }),
    ('module', {
        'desc': """The entry point which returns the web application (e.g. Galaxy, Reports, etc.) that you are loading.""",
        'default': '$uwsgi_module',
        'type': 'str',
    }),
    ('#mount', {
        'desc': """Mount the web application (e.g. Galaxy, Reports, etc.) at the given URL prefix. Cannot be used together with 'module:' above.""",
        'default': '/galaxy=$uwsgi_module',
        'type': 'str',
    }),
    ('manage-script-name', {
        'desc': """Make uWSGI rewrite PATH_INFO and SCRIPT_NAME according to mount-points. Set this to true if a URL prefix is used.""",
        'default': False,
        'type': 'bool',
    }),
    ('thunder-lock', {
        'desc': """It is usually a good idea to set this to ``true`` if processes is greater than 1.""",
        'default': False,
        'type': 'bool',
    }),
    ('die-on-term', {
        'desc': """Cause uWSGI to respect the traditional behavior of dying on SIGTERM (its default is to brutally reload workers)""",
        'default': True,
        'type': 'bool',
    }),
    ('hook-master-start.1', {
        'key': 'hook-master-start',
        'desc': """Cause uWSGI to gracefully reload workers and mules upon receipt of SIGINT (its default is to brutally kill workers)""",
        'default': 'unix_signal:2 gracefully_kill_them_all',
        'type': 'str',
    }),
    ('hook-master-start.2', {
        'key': 'hook-master-start',
        'desc': """Cause uWSGI to gracefully reload workers and mules upon receipt of SIGTERM (its default is to brutally kill workers)""",
        'default': 'unix_signal:15 gracefully_kill_them_all',
        'type': 'str',
    }),
    ('py-call-osafterfork', {
        'desc': """Feature necessary for proper mule signal handling""",
        'default': True,
        'type': 'bool',
    }),
    ('enable-threads', {
        'desc': """Ensure application threads will run if `threads` is unset.""",
        'default': True,
        'type': 'bool',
    }),
    ('umask', {
        'desc': """uWSGI default umask. On some systems uWSGI has a default umask of 000, for Galaxy a somewhat safer default is chosen. If Galaxy submits jobs as real user then all users needs to be able to read the files, i.e. the umask needs to be '022' or the Galaxy users need to be in the same group as the Galaxy system user""",
        'default': '027',
        'type': 'str',
    }),
    # ('route-uri', {
    #     'default': '^/proxy/ goto:proxy'
    # }),
    # ('route', {
    #     'default': '.* last:'
    # }),
    # ('route-label', {
    #     'default': 'proxy'
    # }),
    # ('route-run', {
    #     'default': 'rpcvar:TARGET_HOST galaxy_dynamic_proxy_mapper ${HTTP_HOST} ${cookie[galaxysession]}'
    # }),
    # ('route-run', {
    #     'default': "['log:Proxy ${HTTP_HOST} to ${TARGET_HOST}', 'httpdumb:${TARGET_HOST}']",
    # }),
    # ('http-raw-body', {
    #     'default': True
    # }),
])

SHED_ONLY_UWSGI_OPTIONS = [('cron', {
    'desc': """Task for rebuilding Toolshed search indexes using the uWSGI cron-like interface.""",
    'default': "0 -1 -1 -1 -1 python scripts/tool_shed/build_ts_whoosh_index.py -c config/tool_shed.yml --config-section tool_shed",
    'type': 'str',
})]

DROP_OPTION_VALUE = object()


class _OptionAction:

    def converted(self, args, app_desc, key, value):
        pass

    def lint(self, args, app_desc, key, value):
        pass


class _DeprecatedAction(_OptionAction):

    def lint(self, args, app_desc, key, value):
        print("Option [%s] has been deprecated, this will likely be dropped in future releases of Galaxy." % key)


class _DeprecatedAndDroppedAction(_OptionAction):

    def converted(self, args, app_desc, key, value):
        print("Option [%s] has been deprecated and dropped. It is not included in converted configuration." % key)
        return DROP_OPTION_VALUE

    def lint(self, args, app_desc, key, value):
        print("Option [%s] has been deprecated. Option should be dropped without replacement." % key)


class _PasteAppFactoryAction(_OptionAction):

    def converted(self, args, app_desc, key, value):
        if value not in app_desc.expected_app_factories:
            raise Exception("Ending convert process - unknown paste factory encountered [%s]" % value)
        return DROP_OPTION_VALUE

    def lint(self, args, app_desc, key, value):
        if value not in app_desc.expected_app_factories:
            print("Problem - unknown paste app factory encountered [%s]" % value)


class _ProductionUnsafe(_OptionAction):

    def __init__(self, unsafe_value):
        self.unsafe_value = unsafe_value

    def lint(self, args, app_desc, key, value):
        if str(value).lower() == str(self.unsafe_value).lower():
            template = "Problem - option [%s] should not be set to [%s] in production environments - it is unsafe."
            message = template % (key, value)
            print(message)


class _ProductionPerformance(_OptionAction):

    def lint(self, args, app_desc, key, value):
        template = "Problem - option [%s] should not be set to [%s] in production environments - it may cause performance issues or instability."
        message = template % (key, value)
        print(message)


class _HandleFilterWithAction(_OptionAction):

    def converted(self, args, app_desc, key, value):
        print("filter-with converted to prefixed module load of uwsgi module, dropping from converted configuration")
        return DROP_OPTION_VALUE


class _RenameAction(_OptionAction):

    def __init__(self, new_name):
        self.new_name = new_name

    def converted(self, args, app_desc, key, value):
        return (self.new_name, value)

    def lint(self, args, app_desc, key, value):
        template = "Problem - option [%s] has been renamed (possibly with slightly different behavior) to [%s]."
        message = template % (key, self.new_name)
        print(message)


OPTION_ACTIONS = {
    'use_beaker_session': _DeprecatedAndDroppedAction(),
    'use_interactive': _DeprecatedAndDroppedAction(),
    'session_type': _DeprecatedAndDroppedAction(),
    'session_data_dir': _DeprecatedAndDroppedAction(),
    'session_key': _DeprecatedAndDroppedAction(),
    'session_secret': _DeprecatedAndDroppedAction(),
    'paste.app_factory': _PasteAppFactoryAction(),
    'filter-with': _HandleFilterWithAction(),
    'debug': _ProductionUnsafe(True),
    'serve_xss_vulnerable_mimetypes': _ProductionUnsafe(True),
    'use_printdebug': _ProductionUnsafe(True),
    'id_secret': _ProductionUnsafe('USING THE DEFAULT IS NOT SECURE!'),
    'master_api_key': _ProductionUnsafe('changethis'),
    'external_service_type_config_file': _DeprecatedAndDroppedAction(),
    'external_service_type_path': _DeprecatedAndDroppedAction(),
    'enable_sequencer_communication': _DeprecatedAndDroppedAction(),
    'run_workflow_toolform_upgrade': _DeprecatedAndDroppedAction(),
    # Next 4 were from library search which is no longer available.
    'enable_lucene_library_search': _DeprecatedAndDroppedAction(),
    'fulltext_max_size': _DeprecatedAndDroppedAction(),
    'fulltext_noindex_filetypes': _DeprecatedAndDroppedAction(),
    'fulltext_url': _DeprecatedAndDroppedAction(),
    'enable_legacy_sample_tracking_api': _DeprecatedAction(),
    'enable_new_user_preferences': _DeprecatedAndDroppedAction(),
    'force_beta_workflow_scheduled_for_collections': _DeprecatedAction(),
    'force_beta_workflow_scheduled_min_steps': _DeprecatedAction(),
    'history_local_serial_workflow_scheduling': _ProductionPerformance(),
    'allow_library_path_paste': _RenameAction("allow_path_paste"),
    'trust_ipython_notebook_conversion': _RenameAction("trust_jupyter_notebook_conversion"),
    'enable_beta_tool_command_isolation': _DeprecatedAndDroppedAction(),
    'enable_beta_ts_api_install': _DeprecatedAndDroppedAction(),
    'single_user': _ProductionUnsafe(True),
    'tool_submission_burst_threads': _DeprecatedAndDroppedAction(),
    'tool_submission_burst_at': _DeprecatedAndDroppedAction(),
    'toolform_upgrade': _DeprecatedAndDroppedAction(),
    'enable_beta_mulled_containers': _DeprecatedAndDroppedAction(),
}


def _app_name(self):
    return os.path.splitext(os.path.basename(self.destination))[0]


def _sample_destination(self):
    return self.destination + ".sample"


def _schema(self):
    return AppSchema(self.schema_path, self.app_name)


App.app_name = property(_app_name)
App.sample_destination = property(_sample_destination)
App.schema = property(_schema)

OptionValue = namedtuple("OptionValue", ["name", "value", "option"])


GALAXY_APP = App(
    ["universe_wsgi.ini", "config/galaxy.ini"],
    "8080",
    ["galaxy.web.buildapp:app_factory"],  # TODO: Galaxy could call factory a few different things and they'd all be fine.
    "config/galaxy.yml",
    GALAXY_CONFIG_SCHEMA_PATH,
    'galaxy.webapps.galaxy.buildapp:uwsgi_app()',
)
SHED_APP = App(
    ["tool_shed_wsgi.ini", "config/tool_shed.ini"],
    "9009",
    ["galaxy.webapps.tool_shed.buildapp:app_factory"],
    "config/tool_shed.yml",
    "lib/tool_shed/webapp/config_schema.yml",
    'tool_shed.webapp.buildapp:uwsgi_app()',
)
REPORTS_APP = App(
    ["reports_wsgi.ini", "config/reports.ini"],
    "9001",
    ["galaxy.webapps.reports.buildapp:app_factory"],
    "config/reports.yml",
    "lib/galaxy/webapps/reports/config_schema.yml",
    'galaxy.webapps.reports.buildapp:uwsgi_app()',
)
APPS = {"galaxy": GALAXY_APP, "tool_shed": SHED_APP, "reports": REPORTS_APP}


[docs]def main(argv=None): """Entry point for conversion process.""" if argv is None: argv = sys.argv[1:] args = _arg_parser().parse_args(argv) app_name = args.app app_desc = APPS.get(app_name) action = args.action action_func = ACTIONS[action] action_func(args, app_desc)
def _arg_parser(): parser = argparse.ArgumentParser(description=DESCRIPTION) parser.add_argument('action', metavar='ACTION', type=str, choices=list(ACTIONS.keys()), help='action to perform') parser.add_argument('app', metavar='APP', type=str, nargs="?", help=APP_DESCRIPTION) parser.add_argument('--add-comments', default=False, action="store_true") parser.add_argument('--dry-run', default=False, action="store_true", help=DRY_RUN_DESCRIPTION) parser.add_argument('--galaxy_root', default=".", type=str) return parser def _to_rst(args, app_desc, heading_level="~"): rst = StringIO() schema = app_desc.schema for key, value in schema.app_schema.items(): default = None if "default" not in value else value["default"] if default is True: default = "true" elif default is False: default = "false" option = schema.get_app_option(key) option_value = OptionValue(key, default, option) _write_option_rst(args, rst, key, heading_level, option_value) print(rst.getvalue()) def _write_option_rst(args, rst, key, heading_level, option_value): title = "``%s``" % key heading = heading_level * len(title) rst.write("{}\n{}\n{}\n\n".format(heading, title, heading)) option, value = _parse_option_value(option_value) desc = option["desc"] rst.write(":Description:\n") # Wrap and indent desc, replacing whitespaces with a space, except # for double newlines which are replaced with a single newline. rst.write("\n".join("\n".join(RST_DESCRIPTION_WRAPPER.wrap(_)) for _ in desc.split("\n\n")) + "\n") type = option.get("type", None) default = option.get("default", "*null*") if default is True: default = "true" elif default is False: default = "false" rst.write(":Default: ``%s``\n" % default) if type: rst.write(":Type: %s\n" % type) rst.write("\n\n") def _build_uwsgi_schema(args, app_desc): req = requests.get('https://raw.githubusercontent.com/unbit/uwsgi-docs/master/Options.rst') rst_options = req.text last_line = None current_opt = None options = OrderedDict({}) option = None for line in rst_options.splitlines(): line = line.strip() dots = "*" * len(line) if line and (line == dots): current_opt = last_line option = { 'type': 'any', } options[current_opt] = option if line.startswith("``parser``"): parser = line.split(":", 1)[1].strip() if parser == "uwsgi_opt_set_int": option["type"] = "int" # TODO: disptch on parser... elif line.startswith("``help``"): option["desc"] = line.split(":", 1)[1] last_line = line schema = { "type": "map", "desc": "uwsgi definition, see https://uwsgi-docs.readthedocs.io/en/latest/Options.html", "mapping": options } path = os.path.join(args.galaxy_root, UWSGI_SCHEMA_PATH) contents = ordered_dump(schema) _write_to_file(args, contents, path) def _find_config(args, app_desc): path = os.path.join(args.galaxy_root, app_desc.destination) if not os.path.exists(path): path = None for possible_ini_config_rel in app_desc.config_paths: possible_ini_config = os.path.join(args.galaxy_root, possible_ini_config_rel) if os.path.exists(possible_ini_config): path = possible_ini_config if path is None: _warn(USING_SAMPLE_MESSAGE % path) path = os.path.join(args.galaxy_root, app_desc.sample_destination) return path def _find_app_options(app_desc, path): """Load app (as opposed to server) options from specified path. Supplied ``path`` may be either YAML or ini file. """ if _is_ini(path): p = nice_config_parser(path) app_items = _find_app_options_from_config_parser(p) else: raw_config = _order_load_path(path) app_items = raw_config.get(app_desc.app_name, None) or {} return app_items def _find_app_options_from_config_parser(p): if not p.has_section("app:main"): _warn(NO_APP_MAIN_MESSAGE) app_items = OrderedDict() else: app_items = OrderedDict(p.items("app:main")) return app_items def _lint(args, app_desc): path = _find_config(args, app_desc) if not os.path.exists(path): raise Exception("Expected configuration file [%s] not found." % path) app_items = _find_app_options(app_desc, path) for key, value in app_items.items(): option_action = OPTION_ACTIONS.get(key) if option_action is not None: option_action.lint(args, app_desc, key, value) def _validate(args, app_desc): if Core is None: raise Exception("Cannot validate file, pykwalify is not installed.") path = _find_config(args, app_desc) # Allow empty mapping (not allowed by pykwalify) raw_config = _order_load_path(path) if raw_config.get(app_desc.app_name) is None: raw_config[app_desc.app_name] = {} # Rewrite the file any way to merge any duplicate keys with tempfile.NamedTemporaryFile('w', delete=False, suffix=".yml") as config_p: ordered_dump(raw_config, config_p) def _clean(p, k, v): return k not in ['reloadable', 'path_resolves_to'] clean_schema = remap(app_desc.schema.raw_schema, _clean) with tempfile.NamedTemporaryFile('w', suffix=".yml") as fp: ordered_dump(clean_schema, fp) fp.flush() c = Core( source_file=config_p.name, schema_files=[fp.name], ) os.remove(config_p.name) c.validate()
[docs]class PrefixFilter:
[docs] def __init__(self, name, prefix): self.name = name self.prefix = prefix
[docs]class GzipFilter:
[docs] def __init__(self, name): self.name = name
def _run_conversion(args, app_desc): ini_config = _find_config(args, app_desc) if ini_config and not _is_ini(ini_config): _warn("Cannot convert YAML file %s, this option is only for ini config files." % ini_config) sys.exit(1) elif not ini_config: _warn("Failed to find a config to convert - exiting without changes.") sys.exit(1) p = nice_config_parser(ini_config) server_section = None filters = {} for section in p.sections(): if section.startswith("server:"): if server_section: _warn(EXTRA_SERVER_MESSAGE % (server_section, section)) else: server_section = section if section.startswith("filter:"): filter_name = section[len("filter:"):] filter_type = p.get(section, "use") if filter_type is None: MISSING_FILTER_TYPE_MESSAGE message = EXTRA_SERVER_MESSAGE % section _warn(message) continue if filter_type == "egg:PasteDeploy#prefix": prefix = p.get(section, "prefix") filters[filter_name] = PrefixFilter(filter_name, prefix) elif filter_type == "egg:Paste#gzip": filters[filter_name] = GzipFilter(filter_name) else: message = UNHANDLED_FILTER_TYPE_MESSAGE % (filter_type, section) _warn(message) continue if not server_section: _warn("No server section found, using default uwsgi server definition.") server_config = OrderedDict() else: server_config = OrderedDict(p.items(server_section)) app_items = _find_app_options_from_config_parser(p) applied_filters = [] if filters: for key, value in app_items.items(): if key == "filter-with": if value in filters: applied_filters.append(filters[value]) else: _warn("Unknown filter found [%s], exiting..." % value) sys.exit(1) uwsgi_dict = _server_paste_to_uwsgi(app_desc, server_config, applied_filters) app_dict = OrderedDict({}) schema = app_desc.schema for key, value in app_items.items(): if key in ["__file__", "here"]: continue if key in OPTION_ACTIONS: option_action = OPTION_ACTIONS.get(key) new_value = option_action.converted(args, app_desc, key, value) if new_value: if isinstance(new_value, tuple): key, value = new_value else: value = new_value if value is DROP_OPTION_VALUE: continue option = schema.get_app_option(key) if option["unknown_option"]: _warn(UNKNOWN_OPTION_MESSAGE % key) option_value = OptionValue(key, value, option) app_dict[key] = option_value f = StringIO() _write_section(args, f, "uwsgi", uwsgi_dict, uwsgi_hack=True) _write_section(args, f, app_desc.app_name, app_dict) destination = os.path.join(args.galaxy_root, app_desc.destination) _replace_file(args, f, app_desc, ini_config, destination) def _is_ini(path): return path.endswith(".ini") or path.endswith(".ini.sample") def _replace_file(args, f, app_desc, from_path, to_path): _write_to_file(args, f, to_path) backup_path = "%s.backup" % from_path print("Moving [{}] to [{}]".format(from_path, backup_path)) if args.dry_run: print("... skipping because --dry-run is enabled.") else: shutil.move(from_path, backup_path) def _build_sample_yaml(args, app_desc): if app_desc.app_name in ["tool_shed"]: UWSGI_OPTIONS.update(SHED_ONLY_UWSGI_OPTIONS) schema = app_desc.schema f = StringIO() for key, value in UWSGI_OPTIONS.items(): for field in ["desc", "default"]: if field not in value: continue field_value = value[field] if not isinstance(field_value, str): continue new_field_value = string.Template(field_value).safe_substitute(**{ 'default_port': str(app_desc.default_port), 'app_name': app_desc.app_name, 'uwsgi_module': app_desc.uwsgi_module, }) value[field] = new_field_value description = getattr(schema, "description", None) if description: description = description.lstrip() as_comment = "\n".join("# %s" % l for l in description.split("\n")) + "\n" f.write(as_comment) _write_sample_section(args, f, 'uwsgi', Schema(UWSGI_OPTIONS), as_comment=False, uwsgi_hack=True) _write_sample_section(args, f, app_desc.app_name, schema) destination = os.path.join(args.galaxy_root, app_desc.sample_destination) _write_to_file(args, f, destination) def _write_to_file(args, f, path): if hasattr(f, "getvalue"): contents = f.getvalue() else: contents = f if args.dry_run: contents_indented = "\n".join(" |%s" % l for l in contents.splitlines()) print("Overwriting {} with the following contents:\n{}".format(path, contents_indented)) print("... skipping because --dry-run is enabled.") else: print("Overwriting %s" % path) safe_makedirs(os.path.dirname(path)) with open(path, "w") as to_f: to_f.write(contents) def _order_load_path(path): """Load (with ``_ordered_load``) on specified path (a YAML file).""" with open(path) as f: # Allow empty mapping (not allowed by pykwalify) raw_config = ordered_load(f, merge_duplicate_keys=True) return raw_config def _write_sample_section(args, f, section_header, schema, as_comment=True, uwsgi_hack=False): _write_header(f, section_header) for key, value in schema.app_schema.items(): default = None if "default" not in value else value["default"] option = schema.get_app_option(key) option_value = OptionValue(key, default, option) # support uWSGI "dumb YAML parser" (unbit/uwsgi#863) key = option.get('key', key) _write_option(args, f, key, option_value, as_comment=as_comment, uwsgi_hack=uwsgi_hack) def _write_section(args, f, section_header, section_dict, uwsgi_hack=False): _write_header(f, section_header) for key, option_value in section_dict.items(): _write_option(args, f, key, option_value, uwsgi_hack=uwsgi_hack) def _write_header(f, section_header): f.write("%s:\n\n" % section_header) def _write_option(args, f, key, option_value, as_comment=False, uwsgi_hack=False): option, value = _parse_option_value(option_value) desc = option["desc"] comment = "" if desc and args.add_comments: # Wrap and comment desc, replacing whitespaces with a space, except # for double newlines which are replaced with a single newline. comment += "\n".join("\n".join(YAML_COMMENT_WRAPPER.wrap(_)) for _ in desc.split("\n\n")) + "\n" as_comment_str = "#" if as_comment else "" if uwsgi_hack: if option.get("type", "str") == "bool": value = str(value).lower() key_val_str = "{}: {}".format(key, value) else: key_val_str = yaml.dump({key: value}, width=float("inf")).lstrip("{").rstrip("\n}") lines = "{}{}{}".format(comment, as_comment_str, key_val_str) lines_idented = "\n".join(" %s" % l for l in lines.split("\n")) f.write("%s\n\n" % lines_idented) def _parse_option_value(option_value): if isinstance(option_value, OptionValue): option = option_value.option value = option_value.value # Hack to get nicer YAML values during conversion if option.get("type", "str") == "bool": value = str(value).lower() == "true" elif option.get("type", "str") == "int": value = int(value) else: value = option_value option = OPTION_DEFAULTS return option, value def _server_paste_to_uwsgi(app_desc, server_config, applied_filters): uwsgi_dict = OrderedDict() port = server_config.get("port", app_desc.default_port) host = server_config.get("host", "127.0.0.1") if server_config.get("use", "egg:Paste#http") != "egg:Paste#http": raise Exception("Unhandled paste server 'use' value [%s], file must be manually migrate.") uwsgi_dict["http"] = "{}:{}".format(host, port) # default changing from 10 to 8 uwsgi_dict["threads"] = int(server_config.get("threadpool_workers", 8)) # required for static... uwsgi_dict["http-raw-body"] = True uwsgi_dict["offload-threads"] = 8 # Handle paste filters during conversion. prefix = None for applied_filter in applied_filters: if isinstance(applied_filter, PrefixFilter): prefix = applied_filter.prefix break elif isinstance(applied_filter, GzipFilter): uwsgi_dict["http-auto-gzip"] = True if prefix: uwsgi_dict["mount"] = "{}={}".format(prefix, app_desc.uwsgi_module) uwsgi_dict["manage-script-name"] = True else: uwsgi_dict["module"] = app_desc.uwsgi_module return uwsgi_dict def _warn(message): print("WARNING: %s" % message) ACTIONS = { "convert": _run_conversion, "build_sample_yaml": _build_sample_yaml, "validate": _validate, "lint": _lint, "build_uwsgi_yaml": _build_uwsgi_schema, "build_rst": _to_rst, } if __name__ == '__main__': main()