Python dal.BaseAdapter类代码示例

def build_environment(request, response, session, store_current=True):
    """
    Build the environment dictionary into which web2py files are executed.
    """
    h,v = html,validators
    environment = dict((k,getattr(h,k)) for k  in h.__all__)
    environment.update((k,getattr(v, k)) for k in v.__all__)
    if not request.env:
        request.env = Storage()
    # Enable standard conditional models (i.e., /*.py, /[controller]/*.py, and
    # /[controller]/[function]/*.py)
    response.models_to_run = [r'^\w+\.py$', r'^%s/\w+\.py$' % request.controller,
        r'^%s/%s/\w+\.py$' % (request.controller, request.function)]
        
    t = environment['T'] = translator(request)
    c = environment['cache'] = Cache(request)
    if store_current:
        current.globalenv = environment
        current.request = request
        current.response = response
        current.session = session
        current.T = t
        current.cache = c

    global __builtins__
    if is_jython: # jython hack
        __builtins__ = mybuiltin()
    elif is_pypy: # apply the same hack to pypy too
        __builtins__ = mybuiltin()
    else:
        __builtins__['__import__'] = __builtin__.__import__ ### WHY?
    environment['__builtins__'] = __builtins__
    environment['HTTP'] = HTTP
    environment['redirect'] = redirect
    environment['request'] = request
    environment['response'] = response
    environment['session'] = session
    environment['DAL'] = DAL
    environment['Field'] = Field
    environment['SQLDB'] = SQLDB        # for backward compatibility
    environment['SQLField'] = SQLField  # for backward compatibility
    environment['SQLFORM'] = SQLFORM
    environment['SQLTABLE'] = SQLTABLE
    environment['LOAD'] = LOAD
    environment['local_import'] = \
        lambda name, reload=False, app=request.application:\
        local_import_aux(name,reload,app)
    BaseAdapter.set_folder(pjoin(request.folder, 'databases'))
    response._view_environment = copy.copy(environment)
    return environment

def build_environment(request, response, session, store_current=True):
    """
    Build the environment dictionary into which web2py files are executed.
    """

    environment = {}
    for key in html.__all__:
        environment[key] = getattr(html, key)
    for key in validators.__all__:
        environment[key] = getattr(validators, key)
    if not request.env:
        request.env = Storage()

    t = environment['T'] = translator(request)
    c = environment['cache'] = Cache(request)
    if store_current:
        current.globalenv = environment
        current.request = request
        current.response = response
        current.session = session
        current.T = t
        current.cache = c

    global __builtins__
    if is_jython: # jython hack
        __builtins__ = mybuiltin()
    elif is_pypy: # apply the same hack to pypy too
        __builtins__ = mybuiltin()
    else:
        __builtins__['__import__'] = __builtin__.__import__ ### WHY?
    environment['__builtins__'] = __builtins__
    environment['HTTP'] = HTTP
    environment['redirect'] = redirect
    environment['request'] = request
    environment['response'] = response
    environment['session'] = session
    environment['DAL'] = DAL
    environment['Field'] = Field
    environment['SQLDB'] = SQLDB        # for backward compatibility
    environment['SQLField'] = SQLField  # for backward compatibility
    environment['SQLFORM'] = SQLFORM
    environment['SQLTABLE'] = SQLTABLE
    environment['LOAD'] = LOAD
    environment['local_import'] = \
        lambda name, reload=False, app=request.application:\
        local_import_aux(name,reload,app)
    BaseAdapter.set_folder(os.path.join(request.folder, 'databases'))
    response._view_environment = copy.copy(environment)
    return environment

def build_environment(request, response, session, store_current=True):
    """
    Build the environment dictionary into which web2py files are executed.
    """
    h, v = html, validators
    environment = dict((k, getattr(h, k)) for k in h.__all__)
    environment.update((k, getattr(v, k)) for k in v.__all__)
    if not request.env:
        request.env = Storage()

    t = environment["T"] = translator(request)
    c = environment["cache"] = Cache(request)
    if store_current:
        current.globalenv = environment
        current.request = request
        current.response = response
        current.session = session
        current.T = t
        current.cache = c

    global __builtins__
    if is_jython:  # jython hack
        __builtins__ = mybuiltin()
    elif is_pypy:  # apply the same hack to pypy too
        __builtins__ = mybuiltin()
    else:
        __builtins__["__import__"] = __builtin__.__import__  ### WHY?
    environment["__builtins__"] = __builtins__
    environment["HTTP"] = HTTP
    environment["redirect"] = redirect
    environment["request"] = request
    environment["response"] = response
    environment["session"] = session
    environment["DAL"] = DAL
    environment["Field"] = Field
    environment["SQLDB"] = SQLDB  # for backward compatibility
    environment["SQLField"] = SQLField  # for backward compatibility
    environment["SQLFORM"] = SQLFORM
    environment["SQLTABLE"] = SQLTABLE
    environment["LOAD"] = LOAD
    environment["local_import"] = lambda name, reload=False, app=request.application: local_import_aux(
        name, reload, app
    )
    BaseAdapter.set_folder(pjoin(request.folder, "databases"))
    response._view_environment = copy.copy(environment)
    return environment

def build_environment(request, response, session, store_current=True):
    """
    Build the environment dictionary into which web2py files are executed.
    """
    # h,v = html,validators
    environment = dict(_base_environment_)

    if not request.env:
        request.env = Storage()
    # Enable standard conditional models (i.e., /*.py, /[controller]/*.py, and
    # /[controller]/[function]/*.py)
    response.models_to_run = [
        r"^\w+\.py$",
        r"^%s/\w+\.py$" % request.controller,
        r"^%s/%s/\w+\.py$" % (request.controller, request.function),
    ]

    t = environment["T"] = translator(os.path.join(request.folder, "languages"), request.env.http_accept_language)
    c = environment["cache"] = Cache(request)

    if store_current:
        current.globalenv = environment
        current.request = request
        current.response = response
        current.session = session
        current.T = t
        current.cache = c

    global __builtins__
    if is_jython:  # jython hack
        __builtins__ = mybuiltin()
    elif is_pypy:  # apply the same hack to pypy too
        __builtins__ = mybuiltin()
    else:
        __builtins__["__import__"] = __builtin__.__import__  # WHY?
    environment["request"] = request
    environment["response"] = response
    environment["session"] = session
    environment["local_import"] = lambda name, reload=False, app=request.application: local_import_aux(
        name, reload, app
    )
    BaseAdapter.set_folder(pjoin(request.folder, "databases"))
    response._view_environment = copy.copy(environment)
    custom_import_install()
    return environment

def build_environment(request, response, session, store_current=True):
    """
    Build the environment dictionary into which web2py files are executed.
    """
    #h,v = html,validators
    environment = dict(_base_environment_)

    if not request.env:
        request.env = Storage()
    # Enable standard conditional models (i.e., /*.py, /[controller]/*.py, and
    # /[controller]/[function]/*.py)
    response.models_to_run = [r'^\w+\.py$', r'^%s/\w+\.py$' % request.controller,
                              r'^%s/%s/\w+\.py$' % (request.controller, request.function)]

    t = environment['T'] = translator(request)
    c = environment['cache'] = Cache(request)

    if store_current:
        current.globalenv = environment
        current.request = request
        current.response = response
        current.session = session
        current.T = t
        current.cache = c

    global __builtins__
    if is_jython:  # jython hack
        __builtins__ = mybuiltin()
    elif is_pypy:  # apply the same hack to pypy too
        __builtins__ = mybuiltin()
    else:
        __builtins__['__import__'] = __builtin__.__import__  # WHY?
    environment['request'] = request
    environment['response'] = response
    environment['session'] = session
    environment['local_import'] = \
        lambda name, reload=False, app=request.application:\
        local_import_aux(name, reload, app)
    BaseAdapter.set_folder(pjoin(request.folder, 'databases'))
    response._view_environment = copy.copy(environment)
    custom_import_install()
    return environment

def build_environment(request, response, session):
    """
    Build the environment dictionary into which web2py files are executed.
    """

    environment = {}
    for key in html.__all__:
        environment[key] = getattr(html, key)
    for key in validators.__all__:
        environment[key] = getattr(validators, key)
    if not request.env:
        request.env = Storage()

    current.request = request
    current.response = response
    current.session = session
    current.T = environment['T'] = translator(request)
    current.cache = environment['cache'] = Cache(request)

    environment['HTTP'] = HTTP
    environment['redirect'] = redirect
    environment['request'] = request
    environment['response'] = response
    environment['session'] = session
    environment['DAL'] = DAL
    environment['Field'] = Field
    environment['SQLDB'] = SQLDB        # for backward compatibility
    environment['SQLField'] = SQLField  # for backward compatibility
    environment['SQLFORM'] = SQLFORM
    environment['SQLTABLE'] = SQLTABLE
    environment['LOAD'] = LoadFactory(environment)
    environment['local_import'] = \
        lambda name, reload=False, app=request.application:\
        local_import_aux(name,reload,app)
    BaseAdapter.set_folder(os.path.join(request.folder, 'databases'))
    response._view_environment = copy.copy(environment)
    return environment

def run(
    appname,
    plain=False,
    import_models=False,
    startfile=None,
    bpython=False,
    python_code=False,
    cronjob=False):
    """
    Start interactive shell or run Python script (startfile) in web2py
    controller environment. appname is formatted like:

    a      web2py application name
    a/c    exec the controller c into the application environment
    """

    (a, c, f, args, vars) = parse_path_info(appname, av=True)
    errmsg = 'invalid application name: %s' % appname
    if not a:
        die(errmsg)
    adir = os.path.join('applications', a)

    if not os.path.exists(adir):
        if sys.stdin and not sys.stdin.name == '/dev/null':
            confirm = raw_input(
                'application %s does not exist, create (y/n)?' % a)
        else:
            logging.warn('application does not exist and will not be created')
            return
        if confirm.lower() in ['y', 'yes']:

            os.mkdir(adir)
            w2p_unpack('welcome.w2p', adir)
            for subfolder in ['models', 'views', 'controllers', 'databases',
                              'modules', 'cron', 'errors', 'sessions',
                              'languages', 'static', 'private', 'uploads']:
                subpath = os.path.join(adir, subfolder)
                if not os.path.exists(subpath):
                    os.mkdir(subpath)
            db = os.path.join(adir, 'models/db.py')
            if os.path.exists(db):
                data = fileutils.read_file(db)
                data = data.replace(
                    '<your secret key>', 'sha512:' + web2py_uuid())
                fileutils.write_file(db, data)

    if c:
        import_models = True
    extra_request = {}
    if args:
        extra_request['args'] = args
    if vars:
        extra_request['vars'] = vars
    _env = env(a, c=c, f=f, import_models=import_models, extra_request=extra_request)
    if c:
        pyfile = os.path.join('applications', a, 'controllers', c + '.py')
        pycfile = os.path.join('applications', a, 'compiled',
                                 "controllers_%s_%s.pyc" % (c, f))
        if ((cronjob and os.path.isfile(pycfile)) 
            or not os.path.isfile(pyfile)):
            exec read_pyc(pycfile) in _env
        elif os.path.isfile(pyfile):
            execfile(pyfile, _env)
        else:
            die(errmsg)

    if f:
        exec ('print %s()' % f, _env)
        return

    _env.update(exec_pythonrc())
    if startfile:
        try:
            ccode = None
            if startfile.endswith('.pyc'):
                ccode = read_pyc(startfile)
                exec ccode in _env
            else:
                execfile(startfile, _env)

            if import_models:
                BaseAdapter.close_all_instances('commit')
        except Exception, e:
            print traceback.format_exc()
            if import_models:
                BaseAdapter.close_all_instances('rollback')

#.........这里部分代码省略.........
                    lambda *a: middleware_aux(request, response, *a)

                # ##################################################
                # load cookies
                # ##################################################

                if env.http_cookie:
                    try:
                        request.cookies.load(env.http_cookie)
                    except Cookie.CookieError, e:
                        pass  # invalid cookies

                # ##################################################
                # try load session or create new session file
                # ##################################################

                if not env.web2py_disable_session:
                    session.connect(request, response)

                # ##################################################
                # run controller
                # ##################################################

                if global_settings.debugging and app != "admin":
                    import gluon.debug
                    # activate the debugger
                    gluon.debug.dbg.do_debug(mainpyfile=request.folder)

                serve_controller(request, response, session)

            except HTTP, http_response:

                if static_file:
                    return http_response.to(responder, env=env)

                if request.body:
                    request.body.close()

                # ##################################################
                # on success, try store session in database
                # ##################################################
                session._try_store_in_db(request, response)

                # ##################################################
                # on success, commit database
                # ##################################################

                if response.do_not_commit is True:
                    BaseAdapter.close_all_instances(None)
                # elif response._custom_commit:
                #     response._custom_commit()
                elif response.custom_commit:
                    BaseAdapter.close_all_instances(response.custom_commit)
                else:
                    BaseAdapter.close_all_instances('commit')

                # ##################################################
                # if session not in db try store session on filesystem
                # this must be done after trying to commit database!
                # ##################################################

                session._try_store_in_cookie_or_file(request, response)

                if request.cid:
                    if response.flash:
                        http_response.headers['web2py-component-flash'] = urllib2.quote(xmlescape(response.flash).replace('\n', ''))
                    if response.js:
                        http_response.headers['web2py-component-command'] = response.js.replace('\n', '')

                # ##################################################
                # store cookies in headers
                # ##################################################

                rcookies = response.cookies
                if session._forget and response.session_id_name in rcookies:
                    del rcookies[response.session_id_name]
                elif session._secure:
                    rcookies[response.session_id_name]['secure'] = True
                http_response.cookies2headers(rcookies)
                ticket = None

            except RestrictedError, e:

                if request.body:
                    request.body.close()

                # ##################################################
                # on application error, rollback database
                # ##################################################

                ticket = e.log(request) or 'unknown'
                if response._custom_rollback:
                    response._custom_rollback()
                else:
                    BaseAdapter.close_all_instances('rollback')

                http_response = \
                    HTTP(500, rwthread.routes.error_message_ticket %
                         dict(ticket=ticket),
                         web2py_error='ticket %s' % ticket)

def run(
    appname,
    plain=False,
    import_models=False,
    startfile=None,
    bpython=False,
    python_code=False
    ):
    """
    Start interactive shell or run Python script (startfile) in web2py
    controller environment. appname is formatted like:

    a      web2py application name
    a/c    exec the controller c into the application environment
    """

    (a, c, f) = parse_path_info(appname)
    errmsg = 'invalid application name: %s' % appname
    if not a:
        die(errmsg)
    adir = os.path.join('applications', a)
    if not os.path.exists(adir):
        if raw_input('application %s does not exist, create (y/n)?'
                      % a).lower() in ['y', 'yes']:
            os.mkdir(adir)
            w2p_unpack('welcome.w2p', adir)
            for subfolder in ['models','views','controllers', 'databases',
                              'modules','cron','errors','sessions',
                              'languages','static','private','uploads']:
                subpath =  os.path.join(adir,subfolder)
                if not os.path.exists(subpath):
                    os.mkdir(subpath)
            db = os.path.join(adir,'models/db.py')
            if os.path.exists(db):
                data = fileutils.read_file(db)
                data = data.replace('<your secret key>','sha512:'+web2py_uuid())
                fileutils.write_file(db, data)

    if c:
        import_models = True
    _env = env(a, c=c, import_models=import_models)
    if c:
        cfile = os.path.join('applications', a, 'controllers', c + '.py')
        if not os.path.isfile(cfile):
            cfile = os.path.join('applications', a, 'compiled', "controllers_%s_%s.pyc" % (c,f))
            if not os.path.isfile(cfile):
                die(errmsg)
            else:
                exec read_pyc(cfile) in _env
        else:
            execfile(cfile, _env)

    if f:
        exec ('print %s()' % f, _env)
    elif startfile:
        exec_pythonrc()
        try:
            execfile(startfile, _env)
            if import_models: BaseAdapter.close_all_instances('commit')
        except Exception, e:
            print traceback.format_exc()
            if import_models: BaseAdapter.close_all_instances('rollback')

    if f:
        exec ('print %s()' % f, _env)
    elif startfile:
        exec_pythonrc()
        try:
            execfile(startfile, _env)
            if import_models: BaseAdapter.close_all_instances('commit')
        except Exception, e:
            print traceback.format_exc()
            if import_models: BaseAdapter.close_all_instances('rollback')
    elif python_code:
        exec_pythonrc()
        try:
            exec(python_code, _env)
            if import_models: BaseAdapter.close_all_instances('commit')
        except Exception, e:
            print traceback.format_exc()
            if import_models: BaseAdapter.close_all_instances('rollback')
    else:
        if not plain:
            if bpython:
                try:
                    import bpython
                    bpython.embed(locals_=_env)
                    return
                except:
                    logger.warning(
                        'import bpython error; trying ipython...')
            else:
                try:

#.........这里部分代码省略.........
                # ##################################################
                # load cookies
                # ##################################################

                if env.http_cookie:
                    try:
                        request.cookies.load(env.http_cookie)
                    except Cookie.CookieError, e:
                        pass  # invalid cookies

                # ##################################################
                # try load session or create new session file
                # ##################################################

                if not env.web2py_disable_session:
                    session.connect(request, response)

                # ##################################################
                # run controller
                # ##################################################

                if global_settings.debugging and app != "admin":
                    import gluon.debug

                    # activate the debugger
                    gluon.debug.dbg.do_debug(mainpyfile=request.folder)

                serve_controller(request, response, session)

            except HTTP, http_response:

                if static_file:
                    return http_response.to(responder, env=env)

                if request.body:
                    request.body.close()

                # ##################################################
                # on success, try store session in database
                # ##################################################
                session._try_store_in_db(request, response)

                # ##################################################
                # on success, commit database
                # ##################################################

                if response.do_not_commit is True:
                    BaseAdapter.close_all_instances(None)
                # elif response._custom_commit:
                #     response._custom_commit()
                elif response.custom_commit:
                    BaseAdapter.close_all_instances(response.custom_commit)
                else:
                    BaseAdapter.close_all_instances("commit")

                # ##################################################
                # if session not in db try store session on filesystem
                # this must be done after trying to commit database!
                # ##################################################

                session._try_store_on_disk(request, response)

                if request.cid:
                    if response.flash:
                        http_response.headers["web2py-component-flash"] = urllib2.quote(
                            xmlescape(response.flash).replace("\n", "")
                        )
                    if response.js:
                        http_response.headers["web2py-component-command"] = response.js.replace("\n", "")

                # ##################################################
                # store cookies in headers
                # ##################################################

                rcookies = response.cookies
                if session._forget and response.session_id_name in rcookies:
                    del rcookies[response.session_id_name]
                elif session._secure:
                    rcookies[response.session_id_name]["secure"] = True
                http_response.cookies2headers(rcookies)
                ticket = None

            except RestrictedError, e:

                if request.body:
                    request.body.close()

                # ##################################################
                # on application error, rollback database
                # ##################################################

                ticket = e.log(request) or "unknown"
                if response._custom_rollback:
                    response._custom_rollback()
                else:
                    BaseAdapter.close_all_instances("rollback")

                http_response = HTTP(
                    500, rwthread.routes.error_message_ticket % dict(ticket=ticket), web2py_error="ticket %s" % ticket
                )

                )

        except:

            if request.body:
                request.body.close()

            # ##################################################
            # on application error, rollback database
            # ##################################################

            try:
                if response._custom_rollback:
                    response._custom_rollback()
                else:
                    BaseAdapter.close_all_instances("rollback")
            except:
                pass
            e = RestrictedError("Framework", "", "", locals())
            ticket = e.log(request) or "unrecoverable"
            http_response = HTTP(
                500, rwthread.routes.error_message_ticket % dict(ticket=ticket), web2py_error="ticket %s" % ticket
            )

    finally:
        if response and hasattr(response, "session_file") and response.session_file:
            response.session_file.close()

    session._unlock(response)
    http_response, new_environ = try_rewrite_on_error(http_response, request, environ, ticket)
    if not http_response:

def run(appname, plain=False, import_models=False, startfile=None, bpython=False, python_code=False):
    """
    Start interactive shell or run Python script (startfile) in web2py
    controller environment. appname is formatted like:

    a      web2py application name
    a/c    exec the controller c into the application environment
    """

    (a, c, f) = parse_path_info(appname)
    errmsg = "invalid application name: %s" % appname
    if not a:
        die(errmsg)
    adir = os.path.join("applications", a)
    if not os.path.exists(adir):
        if raw_input("application %s does not exist, create (y/n)?" % a).lower() in ["y", "yes"]:
            os.mkdir(adir)
            w2p_unpack("welcome.w2p", adir)
            for subfolder in [
                "models",
                "views",
                "controllers",
                "databases",
                "modules",
                "cron",
                "errors",
                "sessions",
                "languages",
                "static",
                "private",
                "uploads",
            ]:
                subpath = os.path.join(adir, subfolder)
                if not os.path.exists(subpath):
                    os.mkdir(subpath)
            db = os.path.join(adir, "models/db.py")
            if os.path.exists(db):
                data = fileutils.read_file(db)
                data = data.replace("<your secret key>", "sha512:" + web2py_uuid())
                fileutils.write_file(db, data)

    if c:
        import_models = True
    _env = env(a, c=c, f=f, import_models=import_models)
    if c:
        cfile = os.path.join("applications", a, "controllers", c + ".py")
        if not os.path.isfile(cfile):
            cfile = os.path.join("applications", a, "compiled", "controllers_%s_%s.pyc" % (c, f))
            if not os.path.isfile(cfile):
                die(errmsg)
            else:
                exec read_pyc(cfile) in _env
        else:
            execfile(cfile, _env)

    if f:
        exec ("print %s()" % f, _env)
        return

    # "woodoo magic" workaround: reinitialize main.py
    g = {}
    exec "import main" in g
    del g

    _env.update(exec_pythonrc())
    if startfile:
        try:
            execfile(startfile, _env)
            if import_models:
                BaseAdapter.close_all_instances("commit")
        except Exception, e:
            print traceback.format_exc()
            if import_models:
                BaseAdapter.close_all_instances("rollback")

#.........这里部分代码省略.........
                # ##################################################
                # load cookies
                # ##################################################

                if request.env.http_cookie:
                    try:
                        request.cookies.load(request.env.http_cookie)
                    except Cookie.CookieError, e:
                        pass # invalid cookies

                # ##################################################
                # try load session or create new session file
                # ##################################################

                session.connect(request, response)

                # ##################################################
                # set no-cache headers
                # ##################################################

                response.headers['Content-Type'] = contenttype('.'+request.extension)
                response.headers['Cache-Control'] = \
                    'no-store, no-cache, must-revalidate, post-check=0, pre-check=0'
                response.headers['Expires'] = \
                    time.strftime('%a, %d %b %Y %H:%M:%S GMT', time.gmtime())
                response.headers['Pragma'] = 'no-cache'

                # ##################################################
                # run controller
                # ##################################################

                serve_controller(request, response, session)

            except HTTP, http_response:
                if static_file:
                    return http_response.to(responder)

                if request.body:
                    request.body.close()

                # ##################################################
                # on success, try store session in database
                # ##################################################
                session._try_store_in_db(request, response)

                # ##################################################
                # on success, commit database
                # ##################################################

                if response._custom_commit:
                    response._custom_commit()
                else:
                    BaseAdapter.close_all_instances('commit')

                # ##################################################
                # if session not in db try store session on filesystem
                # this must be done after trying to commit database!
                # ##################################################

                session._try_store_on_disk(request, response)

                # ##################################################
                # store cookies in headers
                # ##################################################

                if request.cid:
                    if response.flash and not 'web2py-component-flash' in http_response.headers:
                        http_response.headers['web2py-component-flash'] = \
                            str(response.flash).replace('\n','')
                    if response.js and not 'web2py-component-command' in http_response.headers:
                        http_response.headers['web2py-component-command'] = \
                            str(response.js).replace('\n','')
                if session._forget:
                    del response.cookies[response.session_id_name]
                elif session._secure:
                    response.cookies[response.session_id_name]['secure'] = True
                if len(response.cookies)>0:
                    http_response.headers['Set-Cookie'] = \
                        [str(cookie)[11:] for cookie in response.cookies.values()]
                ticket=None

            except RestrictedError, e:

                if request.body:
                    request.body.close()

                # ##################################################
                # on application error, rollback database
                # ##################################################

                ticket = e.log(request) or 'unknown'
                if response._custom_rollback:
                    response._custom_rollback()
                else:
                    BaseAdapter.close_all_instances('rollback')

                http_response = \
                    HTTP(500,
                         rewrite.thread.routes.error_message_ticket % dict(ticket=ticket),
                         web2py_error='ticket %s' % ticket)