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Saltando Linhas Inesperadamente


Guest - MarcelComputacao -
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Guest - MarcelComputacao -

o arquivo de entrada do programa é o seguinte : :)

usuarios.txt

alexandre 456123789

anderson 1245698456

antonio 123456456

carlos 91257581

cesar 987458

rosemary 789456125

a saida do programa deveria ser assim: :D

1 alexandre 434,99 MB 16,85%

2 anderson 1187,99 MB 46,02%

3 antonio 117,73 MB 4,56%

4 carlos 87,03 MB 3,37%

5 cesar 0,94 MB 0,04%

6 rosemary 752,88 MB 29,16%

entretanto, :o ela esta sendo assim : :o

1 alexandre 434,99 MB 16,85%

2

anderson 1187,99 MB 46,02%

3

antonio 117,73 MB 4,56%

4

carlos 87,03 MB 3,37%

5

cesar 0,94 MB 0,04%

6

rosemary 752,88 MB 29,16%

o codigo é o seguinte : :unsure:

def converteMega(byte):
    return float(byte)/pow(1024,2)


def percentualUso(valor_parcial, total):
    return float(valor_parcial)*100/float(total)


f = open('usuarios.txt','r')

bloco = f.read()
i = 0
soma = 0
quantidade = 0
media = 0
lista = []
x = 0
nomes = [] 
espacos = []
string = ''

while True:

   snumero = ''
   snome = ''

   if (i+1) == len(bloco):
       media = soma/quantidade
       
       while x < len(espacos):
           perc = '%10.2f' % percentualUso( converteMega(espacos.__getitem__(x)), soma ) + ' %'
           no = nomes.__getitem__(x)
           esp = '%10.2f MB' % converteMega( espacos.__getitem__(x) )
           string =  str(x+1) + '\t' + no + '\t' + str(esp) + '\t' + str(perc)
           print string
           x += 1

       so = 'Espaco total ocupado: %.2f MB' % soma
       me = 'Espaco medio ocupado: %.2f MB' % media
       exit(0)
   
   while bloco[i] != ' ':
       snome = snome + bloco[i]   
       i += 1

   while bloco[i] == ' ':  
       i += 1
       
   while bloco[i] != '\n':
       snumero = snumero + bloco[i]
       i += 1
   
   nomes.append(snome)
   espacos.append(snumero)
   
   soma += converteMega(snumero)    
   quantidade += 1

f.close()

alguém sabe me dizer o que esta errado com esse programa ? :( :unsure:

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Eu ajeitei o programa. Veja linhas 1, 27 e 53. Parece que você está lendo o arquivo byte a byte por uma exigência de algum curso, o que é normal para exercitar algoritmos. Mas se não for isso ler um arquivo texto linha a linha é muito mais simples e evita as muitas armadilhas do byte a byte.

Qual a vantagem neste caso de se usar __getitem__()? Eu troquei pela indexação simples [].

import sys

def converteMega(byte):
    return float(byte)/pow(1024,2)

def percentualUso(valor_parcial, total):
    return float(valor_parcial)*100/float(total)

f = open('usuarios.txt','r')

bloco = f.read()
i = 0
soma = 0
quantidade = 0
media = 0
lista = []
x = 0
nomes = []
espacos = []
string = ''

while True:

   snumero = ''
   snome = ''

   if (i) == len(bloco):
       media = soma/quantidade
      
       while x < len(espacos):
           perc = '%10.2f' % percentualUso( converteMega(espacos[x]), soma ) + ' %'
           no = nomes[x]
           esp = '%10.2f MB' % converteMega( espacos[x] )
           string =  str(x+1) + '\t' + no + '\t' + str(esp) + '\t' + str(perc)
           print string
           x += 1

       so = 'Espaco total ocupado: %.2f MB' % soma
       me = 'Espaco medio ocupado: %.2f MB' % media
       sys.exit(0)
  
   while bloco[i] != ' ':
       snome = snome + bloco[i]  
       i += 1

   while bloco[i] == ' ':  
       i += 1
      
   while bloco[i] != '\n':
       snumero = snumero + bloco[i]
       i += 1
       
   if bloco[i] == '\n': i += 1
  
   nomes.append(snome)
   espacos.append(snumero)
  
   soma += converteMega(snumero)    
   quantidade += 1

f.close()

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Guest - MarcelComputacao -

usei __getitem__() sem conhecer ao certo as diferencas entre ele a indexacao simples. :) . então era por isso que esta dando aquele problema para saltar de linhas ? :unsure:

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Guest - MarcelComputacao -

a proposito, para fazer o tratamento nesse arquivo, da forma como o resultado deve ser gerado, obrigatoriamente devo ler caracter por caracter correto ? :blink:

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usei __getitem__() sem conhecer ao certo as diferencas entre ele a indexacao simples. :) . então era por isso que esta dando aquele problema para saltar de linhas ? :unsure:

Não. O problema de saltar linha era causado por um erro no algoritmo. Compare o seu programa com o programa que eu coloquei e veja a diferença (eu citei as linhas diferentes).

a proposito, para fazer o tratamento nesse arquivo, da forma como o resultado deve ser gerado, obrigatoriamente devo ler caracter por caracter correto ? :blink:

Não. Ler caracter por caracter é a pior solução. A melhor solução é ler linha a linha com f.readline(). E fica melhor ainda se os campos do arquivo estiverem separados por tab porque aí basta fazer linha.split('\t') para ter uma lista com todos os campos daquela linha.

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Guest - MarcelComputacao -

Ler caracter por caracter é a pior solução. A melhor solução é ler linha a linha com f.readline().

mas ler linha por linha implica em varias operacoes de i/o. Isto representa um custo muito grande se o arquivo tiver dois milhoes de tuplas, por exemplo. Neste caso, teremos que fazer 2.000.000 de acessos ao arquivo. Enquanto que ao usar f.read(), acessaremos o arquivo somente uma vez e os dados ficarao na memoria ram a partir desse momento, que é mais rapida do que a memoria secundaria. Por isso, ainda estou convencido de que com f.read() o desempenho é melhor. ;)

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mas ler linha por linha implica em varias operacoes de i/o. Isto representa um custo muito grande se o arquivo tiver dois milhoes de tuplas, por exemplo. Neste caso, teremos que fazer 2.000.000 de acessos ao arquivo.

Não são dois milhões de acessos ao arquivo. São tantos quantos o tamanho do buffer de leitura determinar. Aliás o tamanho do buffer é o terceiro parâmetro que pode ser passado para a função open(). Se omitido, o tamanho é o default do sistema. Se você passar um tamanho razoável, digamos 10 ou 100 mil bytes, o desempenho será muito bom.

Enquanto que ao usar f.read(), acessaremos o arquivo somente uma vez e os dados ficarao na memoria ram a partir desse momento, que é mais rapida do que a memoria secundaria. Por isso, ainda estou convencido de que com f.read() o desempenho é melhor. ;)

Não faça isso com um arquivo grande. Se o arquivo tiver um tamanho parecido ou maior que a memória disponível o sistema vai usar memória virtual e o desempenho vai despencar.

A otimização prematura é a raiz de muitos problemas em programação. Não otimize a não ser que você consiga provar com testes que a otimização vai ser importante. A otimização torna o seu código quebradiço e obscuro e geralmente não vale a pena. Este é um dos mandamentos da boa prática de programação e quem já passou sufocos aprendeu a respeitar.

O erro de algoritmo do seu código, difícil de achar, foi exatamente por quebrar esta regra. Isto com um programa de poucas linhas. Imagine quando voce estiver envolvido com um sistema de milhares ou dezenas de milhares de linhas. Escreva códigos simples e claros. Deixe a esperteza para as horas certas.

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Guest - MarcelComputacao -

é possivel aumentar o desempenho desse programa, caso o arquivo de entrada seja maior ? :unsure: usando threads ? :) tem alguma ideia de como eu poderia fazer isso ? :blink:

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Guest - MarcelComputacao -

qual seria a melhor forma de ordenar os dados pelo campo que contem o percentual para depois colocar os registros ordenados no arquivo ? :)

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Dado este arquivo com os campos separados por tab:

alexandre    456123789
anderson    1245698456
antonio    123456456
carlos    91257581
cesar    987458
rosemary    789456125
Eu faria assim:
espaco_ocupado_total = 0
lista = []
MB = 1024 * 1024

f = open('usuarios_tab.txt', 'r')
for linha in f:
   lista.append(linha.rstrip().split('\t'))
   lista[-1][1] = float(lista[-1][1])
   espaco_ocupado_total += lista[-1][1]
f.close()

lista.sort(None,key=lambda l: l[1])
for linha in lista:
   print '%s\t%.2f\t%.2f' % (
      linha[0],
      linha[1] / MB,
      100 * linha[1] / espaco_ocupado_total
      )

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Duas das muitas alternativas são usar CGI ou mod_python. Se você lê ou adivinha ou pouco de inglês consulte o meu tutorial: http://webpython.codepoint.net

Também deve existir muita coisa em português no site do python Brasil.

Tente fazer alguma coisa. Se não der certo poste aqui o que você tentou que a gente ajuda.

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estou tentando usar o mod_python e quando eu testo o programa:

def index():
   s = """\
<html>
<body>
<h2>Hello World!</h2>
</body>
</html>
"""
   return s

ocorre o seguinte erro no navegador: :(
def index(): s = """\ 
Hello World!
""" return s

estou testando assim:

http://localhost/inc/paginas/python/hello.py

o que esta errado com meu teste ? :unsure:

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olá kakao,

a configuracao do arquivo httpd.conf é a seguinte:

#
# Based upon the NCSA server configuration files originally by Rob McCool.
#
# This is the main Apache server configuration file.  It contains the
# configuration directives that give the server its instructions.
# See <URL:http://httpd.apache.org/docs-2.0/> for detailed information about
# the directives.
#
# Do NOT simply read the instructions in here without understanding
# what they do.  They're here only as hints or reminders.  If you are unsure
# consult the online docs. You have been warned.  
#
# The configuration directives are grouped into three basic sections:
#  1. Directives that control the operation of the Apache server process as a
#     whole (the 'global environment').
#  2. Directives that define the parameters of the 'main' or 'default' server,
#     which responds to requests that aren't handled by a virtual host.
#     These directives also provide default values for the settings
#     of all virtual hosts.
#  3. Settings for virtual hosts, which allow Web requests to be sent to
#     different IP addresses or hostnames and have them handled by the
#     same Apache server process.
#
# Configuration and logfile names: If the filenames you specify for many
# of the server's control files begin with "/" (or "drive:/" for Win32), the
# server will use that explicit path.  If the filenames do *not* begin
# with "/", the value of ServerRoot is prepended -- so "logs/foo.log"
# with ServerRoot set to "C:/Program Files/Apache Group/Apache2" will be interpreted by the
# server as "C:/Program Files/Apache Group/Apache2/logs/foo.log".
#
# NOTE: Where filenames are specified, you must use forward slashes
# instead of backslashes (e.g., "c:/apache" instead of "c:\apache").
# If a drive letter is omitted, the drive on which Apache.exe is located
# will be used by default.  It is recommended that you always supply
# an explicit drive letter in absolute paths, however, to avoid
# confusion.
#
Include conf/vertrigo.conf 
### Section 1: Global Environment
#
# The directives in this section affect the overall operation of Apache,
# such as the number of concurrent requests it can handle or where it
# can find its configuration files.
#

#
# ServerRoot: The top of the directory tree under which the server's
# configuration, error, and log files are kept.
#
# NOTE!  If you intend to place this on an NFS (or otherwise network)
# mounted filesystem then please read the LockFile documentation (available
# at <URL:http://httpd.apache.org/docs-2.0/mod/mpm_common.html#lockfile>);
# you will save yourself a lot of trouble.
#
# Do NOT add a slash at the end of the directory path.
#


#
# ScoreBoardFile: File used to store internal server process information.
# If unspecified (the default), the scoreboard will be stored in an
# anonymous shared memory segment, and will be unavailable to third-party
# applications.
# If specified, ensure that no two invocations of Apache share the same
# scoreboard file. The scoreboard file MUST BE STORED ON A LOCAL DISK.
#
#ScoreBoardFile logs/apache_runtime_status

#
# PidFile: The file in which the server should record its process
# identification number when it starts.
#
PidFile logs/httpd.pid

#
# Timeout: The number of seconds before receives and sends time out.
#
Timeout 300

#
# KeepAlive: Whether or not to allow persistent connections (more than
# one request per connection). Set to "Off" to deactivate.
#
KeepAlive On

#
# MaxKeepAliveRequests: The maximum number of requests to allow
# during a persistent connection. Set to 0 to allow an unlimited amount.
# We recommend you leave this number high, for maximum performance.
#
MaxKeepAliveRequests 100

#
# KeepAliveTimeout: Number of seconds to wait for the next request from the
# same client on the same connection.
#
KeepAliveTimeout 15

##
## Server-Pool Size Regulation (MPM specific)
## 

# WinNT MPM
# ThreadsPerChild: constant number of worker threads in the server process
# MaxRequestsPerChild: maximum  number of requests a server process serves
<IfModule mpm_winnt.c>
ThreadsPerChild 250
MaxRequestsPerChild  0
</IfModule>

#
# Listen: Allows you to bind Apache to specific IP addresses and/or
# ports, instead of the default. See also the <VirtualHost>
# directive.
#
# Change this to Listen on specific IP addresses as shown below to 
# prevent Apache from glomming onto all bound IP addresses (0.0.0.0)
#
#Listen 12.34.56.78:80
Listen 80
#
# Dynamic Shared Object (DSO) Support
#
# To be able to use the functionality of a module which was built as a DSO you
# have to place corresponding `LoadModule' lines at this location so the
# directives contained in it are actually available _before_ they are used.
# Statically compiled modules (those listed by `httpd -l') do not need
# to be loaded here.
#
# Example:
# LoadModule foo_module modules/mod_foo.so
#
LoadModule access_module modules/mod_access.so
LoadModule actions_module modules/mod_actions.so
LoadModule alias_module modules/mod_alias.so
LoadModule asis_module modules/mod_asis.so
LoadModule auth_module modules/mod_auth.so
#LoadModule auth_anon_module modules/mod_auth_anon.so
#LoadModule auth_dbm_module modules/mod_auth_dbm.so
#LoadModule auth_digest_module modules/mod_auth_digest.so
LoadModule autoindex_module modules/mod_autoindex.so
#LoadModule cern_meta_module modules/mod_cern_meta.so
LoadModule cgi_module modules/mod_cgi.so
#LoadModule dav_module modules/mod_dav.so
#LoadModule dav_fs_module modules/mod_dav_fs.so
LoadModule dir_module modules/mod_dir.so
LoadModule env_module modules/mod_env.so
#LoadModule expires_module modules/mod_expires.so
#LoadModule file_cache_module modules/mod_file_cache.so
#LoadModule headers_module modules/mod_headers.so
LoadModule imap_module modules/mod_imap.so
LoadModule include_module modules/mod_include.so
LoadModule info_module modules/mod_info.so
LoadModule isapi_module modules/mod_isapi.so
LoadModule log_config_module modules/mod_log_config.so
LoadModule mime_module modules/mod_mime.so
#LoadModule mime_magic_module modules/mod_mime_magic.so
#LoadModule proxy_module modules/mod_proxy.so
#LoadModule proxy_connect_module modules/mod_proxy_connect.so
#LoadModule proxy_http_module modules/mod_proxy_http.so
#LoadModule proxy_ftp_module modules/mod_proxy_ftp.so
LoadModule negotiation_module modules/mod_negotiation.so
LoadModule rewrite_module modules/mod_rewrite.so
LoadModule setenvif_module modules/mod_setenvif.so
#LoadModule speling_module modules/mod_speling.so
#LoadModule status_module modules/mod_status.so
#LoadModule unique_id_module modules/mod_unique_id.so
LoadModule userdir_module modules/mod_userdir.so
#LoadModule usertrack_module modules/mod_usertrack.so
#LoadModule vhost_alias_module modules/mod_vhost_alias.so
#LoadModule ssl_module modules/mod_ssl.so

#
# ExtendedStatus controls whether Apache will generate "full" status
# information (ExtendedStatus On) or just basic information (ExtendedStatus
# Off) when the "server-status" handler is called. The default is Off.
#
#ExtendedStatus On

### Section 2: 'Main' server configuration
#
# The directives in this section set up the values used by the 'main'
# server, which responds to any requests that aren't handled by a
# <VirtualHost> definition.  These values also provide defaults for
# any <VirtualHost> containers you may define later in the file.
#
# All of these directives may appear inside <VirtualHost> containers,
# in which case these default settings will be overridden for the
# virtual host being defined.
#

#
# ServerAdmin: Your address, where problems with the server should be
# e-mailed.  This address appears on some server-generated pages, such
# as error documents.  e.g. [email protected]
#
ServerAdmin [email protected]

#
# ServerName gives the name and port that the server uses to identify itself.
# This can often be determined automatically, but we recommend you specify
# it explicitly to prevent problems during startup.
#
# If this is not set to valid DNS name for your host, server-generated
# redirections will not work.  See also the UseCanonicalName directive.
#
# If your host doesn't have a registered DNS name, enter its IP address here.
# You will have to access it by its address anyway, and this will make 
# redirections work in a sensible way.
#
ServerName VertrigoServ:80

#
# UseCanonicalName: Determines how Apache constructs self-referencing 
# URLs and the SERVER_NAME and SERVER_PORT variables.
# When set "Off", Apache will use the Hostname and Port supplied
# by the client.  When set "On", Apache will use the value of the
# ServerName directive.
#
UseCanonicalName Off

#
# DocumentRoot: The directory out of which you will serve your
# documents. By default, all requests are taken from this directory, but
# symbolic links and aliases may be used to point to other locations.
#


#
# Each directory to which Apache has access can be configured with respect
# to which services and features are allowed and/or disabled in that
# directory (and its subdirectories). 
#
# First, we configure the "default" to be a very restrictive set of 
# features.  
#
<Directory />
    Options FollowSymLinks
    AllowOverride None
</Directory>

#
# Note that from this point forward you must specifically allow
# particular features to be enabled - so if something's not working as
# you might expect, make sure that you have specifically enabled it
# below.
#

#
# This should be changed to whatever you set DocumentRoot to.
#
#<Directory "C:/Program Files/Apache Group/Apache2/htdocs">

#
# Possible values for the Options directive are "None", "All",
# or any combination of:
#   Indexes Includes FollowSymLinks SymLinksifOwnerMatch ExecCGI MultiViews
#
# Note that "MultiViews" must be named *explicitly* --- "Options All"
# doesn't give it to you.
#
# The Options directive is both complicated and important.  Please see
# [url=http://httpd.apache.org/docs-2.0/mod/core.html#options]http://httpd.apache.org/docs-2.0/mod/core.html#options[/url]
# for more information.
#
#    Options Indexes FollowSymLinks

#
# AllowOverride controls what directives may be placed in .htaccess files.
# It can be "All", "None", or any combination of the keywords:
#   Options FileInfo AuthConfig Limit
#
#    AllowOverride None

#
# Controls who can get stuff from this server.
#
#    Order allow,deny
#    Allow from all

#</Directory>

#
# UserDir: The name of the directory that is appended onto a user's home
# directory if a ~user request is received.  Be especially careful to use
# proper, forward slashes here.  On Windows NT, "Personal/My Website"
# is a more appropriate choice.
#
#UserDir "My Documents/My Website"

#
# Control access to UserDir directories.  The following is an example
# for a site where these directories are restricted to read-only.
#
# You must correct the path for the root to match your system's configured
# user directory location, e.g. "C:/WinNT/profiles/*/My Documents/My Website"
# or whichever, as appropriate.
#
#<Directory "C:/Documents and Settings/*/My Documents/My Website">
#    AllowOverride FileInfo AuthConfig Limit
#    Options MultiViews Indexes SymLinksIfOwnerMatch IncludesNoExec
#    <Limit GET POST OPTIONS PROPFIND>
#        Order allow,deny
#        Allow from all
#    </Limit>
#    <LimitExcept GET POST OPTIONS PROPFIND>
#        Order deny,allow
#        Deny from all
#    </LimitExcept>
#</Directory>

#
# DirectoryIndex: sets the file that Apache will serve if a directory
# is requested.
#
# The index.html.var file (a type-map) is used to deliver content-
# negotiated documents.  The MultiViews Option can be used for the 
# same purpose, but it is much slower.
#
DirectoryIndex index.html index.html.var index.php index.php5

#
# AccessFileName: The name of the file to look for in each directory
# for additional configuration directives.  See also the AllowOverride 
# directive.
#
AccessFileName .htaccess

#
# The following lines prevent .htaccess and .htpasswd files from being 
# viewed by Web clients. 
#
<FilesMatch "^\.ht">
    Order allow,deny
    Deny from all
</FilesMatch>

#
# TypesConfig describes where the mime.types file (or equivalent) is
# to be found.
#
TypesConfig conf/mime.types

#
# DefaultType is the default MIME type the server will use for a document
# if it cannot otherwise determine one, such as from filename extensions.
# If your server contains mostly text or HTML documents, "text/plain" is
# a good value.  If most of your content is binary, such as applications
# or images, you may want to use "application/octet-stream" instead to
# keep browsers from trying to display binary files as though they are
# text.
#
DefaultType text/plain

#
# The mod_mime_magic module allows the server to use various hints from the
# contents of the file itself to determine its type.  The MIMEMagicFile
# directive tells the module where the hint definitions are located.
#
<IfModule mod_mime_magic.c>
    MIMEMagicFile conf/magic
</IfModule>

#
# HostnameLookups: Log the names of clients or just their IP addresses
# e.g., www.apache.org (on) or 204.62.129.132 (off).
# The default is off because it'd be overall better for the net if people
# had to knowingly turn this feature on, since enabling it means that
# each client request will result in AT LEAST one lookup request to the
# nameserver.
#
HostnameLookups Off

#
# EnableMMAP: Control whether memory-mapping is used to deliver
# files (assuming that the underlying OS supports it).
# The default is on; turn this off if you serve from NFS-mounted 
# filesystems.  On some systems, turning it off (regardless of
# filesystem) can improve performance; for details, please see
# [url=http://httpd.apache.org/docs-2.0/mod/core.html#enablemmap]http://httpd.apache.org/docs-2.0/mod/core.html#enablemmap[/url]
#
#EnableMMAP off

#
# EnableSendfile: Control whether the sendfile kernel support is 
# used  to deliver files (assuming that the OS supports it).
# The default is on; turn this off if you serve from NFS-mounted 
# filesystems.  Please see
# [url=http://httpd.apache.org/docs-2.0/mod/core.html#enablesendfile]http://httpd.apache.org/docs-2.0/mod/core....#enablesendfile[/url]
#
#EnableSendfile off

#
# ErrorLog: The location of the error log file.
# If you do not specify an ErrorLog directive within a <VirtualHost>
# container, error messages relating to that virtual host will be
# logged here.  If you *do* define an error logfile for a <VirtualHost>
# container, that host's errors will be logged there and not here.
#
ErrorLog logs/error.log

#
# LogLevel: Control the number of messages logged to the error.log.
# Possible values include: debug, info, notice, warn, error, crit,
# alert, emerg.
#
LogLevel warn

#
# The following directives define some format nicknames for use with
# a CustomLog directive (see below).
#
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined
LogFormat "%h %l %u %t \"%r\" %>s %b" common
LogFormat "%{Referer}i -> %U" referer
LogFormat "%{User-agent}i" agent

# You need to enable mod_logio.c to use %I and %O
#LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %I %O" combinedio

#
# The location and format of the access logfile (Common Logfile Format).
# If you do not define any access logfiles within a <VirtualHost>
# container, they will be logged here.  Contrariwise, if you *do*
# define per-<VirtualHost> access logfiles, transactions will be
# logged therein and *not* in this file.
#
CustomLog logs/access.log common

#
# If you would like to have agent and referer logfiles, uncomment the
# following directives.
#
#CustomLog logs/referer.log referer
#CustomLog logs/agent.log agent

#
# If you prefer a single logfile with access, agent, and referer information
# (Combined Logfile Format) you can use the following directive.
#
#CustomLog logs/access.log combined

#
# ServerTokens
# This directive configures what you return as the Server HTTP response
# Header. The default is 'Full' which sends information about the OS-Type
# and compiled in modules.
# Set to one of:  Full | OS | Minor | Minimal | Major | Prod
# where Full conveys the most information, and Prod the least.
#
ServerTokens Full

#
# Optionally add a line containing the server version and virtual host
# name to server-generated pages (internal error documents, FTP directory 
# listings, mod_status and mod_info output etc., but not CGI generated 
# documents or custom error documents).
# Set to "EMail" to also include a mailto: link to the ServerAdmin.
# Set to one of:  On | Off | EMail
#
ServerSignature On

#
# Aliases: Add here as many aliases as you need (with no limit). The format is 
# Alias fakename realname
#
# Note that if you include a trailing / on fakename then the server will
# require it to be present in the URL.  So "/icons" isn't aliased in this
# example, only "/icons/".  If the fakename is slash-terminated, then the 
# realname must also be slash terminated, and if the fakename omits the 
# trailing slash, the realname must also omit it.
#
# We include the /icons/ alias for FancyIndexed directory listings.  If you
# do not use FancyIndexing, you may comment this out.
#

# In vertrigo.conf

#
# This should be changed to the ServerRoot/manual/.  The alias provides
# the manual, even if you choose to move your DocumentRoot.  You may comment
# this out if you do not care for the documentation.
#
#AliasMatch ^/manual(?:/(?:De|en|es|fr|já|ko|ru))?(/.*)?$ "C:/Program Files/Apache Group/Apache2/manual$1"

#<Directory "C:/Program Files/Apache Group/Apache2/manual">
#    Options Indexes
#    AllowOverride None
#    Order allow,deny
#    Allow from all
#
#    <Files *.html>
#        SetHandler type-map
#    </Files>
#
#    SetEnvIf Request_URI ^/manual/(de|en|es|fr|já|ko|ru)/ prefer-language=$1
#    RedirectMatch 301 ^/manual(?:/(de|en|es|fr|já|ko|ru)){2,}(/.*)?$ /manual/$1$2
#</Directory>

#
# ScriptAlias: This controls which directories contain server scripts.
# ScriptAliases are essentially the same as Aliases, except that
# documents in the realname directory are treated as applications and
# run by the server when requested rather than as documents sent to the client.
# The same rules about trailing "/" apply to ScriptAlias directives as to
# Alias.
#
#ScriptAlias /cgi-bin/ "C:/Program Files/Apache Group/Apache2/cgi-bin/"

#
# "C:/Program Files/Apache Group/Apache2/cgi-bin" should be changed to whatever your ScriptAliased
# CGI directory exists, if you have that configured.
#
#<Directory "C:/Program Files/Apache Group/Apache2/cgi-bin">
#    AllowOverride None
#    Options None
#    Order allow,deny
#    Allow from all
#</Directory>

#
# Redirect allows you to tell clients about documents which used to exist in
# your server's namespace, but do not anymore. This allows you to tell the
# clients where to look for the relocated document.
# Example:
# Redirect permanent /foo [url=http://www.example.com/bar]http://www.example.com/bar[/url]

#
# Directives controlling the display of server-generated directory listings.
#

#
# IndexOptions: Controls the appearance of server-generated directory
# listings.
#
IndexOptions FancyIndexing VersionSort

#
# AddIcon* directives tell the server which icon to show for different
# files or filename extensions.  These are only displayed for
# FancyIndexed directories.
#
AddIconByEncoding (CMP,/icons/compressed.gif) x-compress x-gzip

AddIconByType (TXT,/icons/text.gif) text/*
AddIconByType (IMG,/icons/image2.gif) image/*
AddIconByType (SND,/icons/sound2.gif) audio/*
AddIconByType (VID,/icons/movie.gif) video/*

AddIcon /icons/binary.gif .bin .exe
AddIcon /icons/binhex.gif .hqx
AddIcon /icons/tar.gif .tar
AddIcon /icons/world2.gif .wrl .wrl.gz .vrml .vrm .iv
AddIcon /icons/compressed.gif .Z .z .tgz .gz .zip
AddIcon /icons/a.gif .ps .ai .eps
AddIcon /icons/layout.gif .html .shtml .htm .pdf
AddIcon /icons/text.gif .txt
AddIcon /icons/c.gif .c
AddIcon /icons/p.gif .pl .py
AddIcon /icons/f.gif .for
AddIcon /icons/dvi.gif .dvi
AddIcon /icons/uuencoded.gif .uu
AddIcon /icons/script.gif .conf .sh .shar .csh .ksh .tcl
AddIcon /icons/tex.gif .tex
AddIcon /icons/bomb.gif core

AddIcon /icons/back.gif ..
AddIcon /icons/hand.right.gif README
AddIcon /icons/folder.gif ^^DIRECTORY^^
AddIcon /icons/blank.gif ^^BLANKICON^^

#
# DefaultIcon is which icon to show for files which do not have an icon
# explicitly set.
#
DefaultIcon /icons/unknown.gif

#
# AddDescription allows you to place a short description after a file in
# server-generated indexes.  These are only displayed for FancyIndexed
# directories.
# Format: AddDescription "description" filename
#
#AddDescription "GZIP compressed document" .gz
#AddDescription "tar archive" .tar
#AddDescription "GZIP compressed tar archive" .tgz

#
# ReadmeName is the name of the README file the server will look for by
# default, and append to directory listings.
#
# HeaderName is the name of a file which should be prepended to
# directory indexes. 
ReadmeName README.html
HeaderName HEADER.html

#
# IndexIgnore is a set of filenames which directory indexing should ignore
# and not include in the listing.  Shell-style wildcarding is permitted.
#
IndexIgnore .??* *~ *# HEADER* README* RCS CVS *,v *,t

#
# DefaultLanguage and AddLanguage allows you to specify the language of 
# a document. You can then use content negotiation to give a browser a 
# file in a language the user can understand.
#
# Specify a default language. This means that all data
# going out without a specific language tag (see below) will 
# be marked with this one. You probably do NOT want to set
# this unless you are sure it is correct for all cases.
#
# * It is generally better to not mark a page as 
# * being a certain language than marking it with the wrong
# * language!
#
# DefaultLanguage nl
#
# Note 1: The suffix does not have to be the same as the language
# keyword --- those with documents in Polish (whose net-standard
# language code is pl) may wish to use "AddLanguage pl .po" to
# avoid the ambiguity with the common suffix for perl scripts.
#
# Note 2: The example entries below illustrate that in some cases 
# the two character 'Language' abbreviation is not identical to 
# the two character 'Country' code for its country,
# E.g. 'Danmark/dk' versus 'Danish/da'.
#
# Note 3: In the case of 'ltz' we violate the RFC by using a three char
# specifier. There is 'work in progress' to fix this and get
# the reference data for rfc1766 cleaned up.
#
# Catalan (ca) - Croatian (hr) - Czech (cs) - Danish (da) - Dutch (nl)
# English (en) - Esperanto (eo) - Estonian (et) - French (fr) - German (de)
# Greek-Modern (el) - Hebrew (he) - Italian (it) - Japanese (já)
# Korean (ko) - Luxembourgeois* (ltz) - Norwegian Nynorsk (nn)
# Norwegian (no) - Polish (pl) - Portugese (pt)
# Brazilian Portuguese (pt-BR) - Russian (ru) - Swedish (sv)
# Simplified Chinese (zh-CN) - Spanish (es) - Traditional Chinese (zh-TW)
#
AddLanguage ca .ca
AddLanguage cs .cz .cs
AddLanguage da .dk
AddLanguage de .de
AddLanguage el .el
AddLanguage en .en
AddLanguage eo .eo
AddLanguage es .es
AddLanguage et .et
AddLanguage fr .fr
AddLanguage he .he
AddLanguage hr .hr
AddLanguage it .it
AddLanguage já .já
AddLanguage ko .ko
AddLanguage ltz .ltz
AddLanguage nl .nl
AddLanguage nn .nn
AddLanguage no .no
AddLanguage pl .po
AddLanguage pt .pt
AddLanguage pt-BR .pt-br
AddLanguage ru .ru
AddLanguage sv .sv
AddLanguage zh-CN .zh-cn
AddLanguage zh-TW .zh-tw

#
# LanguagePriority allows you to give precedence to some languages
# in case of a tie during content negotiation.
#
# Just list the languages in decreasing order of preference. We have
# more or less alphabetized them here. You probably want to change this.
#
LanguagePriority en ca cs da de el eo es et fr he hr it já ko ltz nl nn no pl pt pt-BR ru sv zh-CN zh-TW

#
# ForceLanguagePriority allows you to serve a result page rather than
# MULTIPLE CHOICES (Prefer) [in case of a tie] or NOT ACCEPTABLE (Fallback)
# [in case no accepted languages matched the available variants]
#
ForceLanguagePriority Prefer Fallback

#
# Commonly used filename extensions to character sets. You probably
# want to avoid clashes with the language extensions, unless you
# are good at carefully testing your setup after each change.
# See [url=http://www.iana.org/assignments/character-sets]http://www.iana.org/assignments/character-sets[/url] for the
# official list of charset names and their respective RFCs.
#
AddCharset ISO-8859-1  .iso8859-1 .latin1
AddCharset ISO-8859-2  .iso8859-2 .latin2 .cen
AddCharset ISO-8859-3  .iso8859-3 .latin3
AddCharset ISO-8859-4  .iso8859-4 .latin4
AddCharset ISO-8859-5  .iso8859-5 .latin5 .cyr .iso-ru
AddCharset ISO-8859-6  .iso8859-6 .latin6 .arb
AddCharset ISO-8859-7  .iso8859-7 .latin7 .grk
AddCharset ISO-8859-8  .iso8859-8 .latin8 .heb
AddCharset ISO-8859-9  .iso8859-9 .latin9 .trk
AddCharset ISO-2022-JP .iso2022-jp .jis
AddCharset ISO-2022-KR .iso2022-kr .kis
AddCharset ISO-2022-CN .iso2022-cn .cis
AddCharset Big5        .Big5       .big5
# For russian, more than one charset is used (depends on client, mostly):
AddCharset WINDOWS-1251 .cp-1251   .win-1251
AddCharset CP866       .cp866
AddCharset KOI8-r      .koi8-r .koi8-ru
AddCharset KOI8-ru     .koi8-uk .ua
AddCharset ISO-10646-UCS-2 .ucs2
AddCharset ISO-10646-UCS-4 .ucs4
AddCharset UTF-8       .utf8

# The set below does not map to a specific (iso) standard
# but works on a fairly wide range of browsers. Note that
# capitalization actually matters (it should not, but it
# does for some browsers).
#
# See [url=http://www.iana.org/assignments/character-sets]http://www.iana.org/assignments/character-sets[/url]
# for a list of sorts. But browsers support few.
#
AddCharset GB2312      .gb2312 .gb 
AddCharset utf-7       .utf7
AddCharset utf-8       .utf8
AddCharset big5        .big5 .b5
AddCharset EUC-TW      .euc-tw
AddCharset EUC-JP      .euc-jp
AddCharset EUC-KR      .euc-kr
AddCharset shift_jis   .sjis

#
# AddType allows you to add to or override the MIME configuration
# file mime.types for specific file types.
#
#AddType application/x-tar .tgz
#
# AddEncoding allows you to have certain browsers (Mosaic/X 2.1+) uncompress
# information on the fly. Note: Not all browsers support this.
# Despite the name similarity, the following Add* directives have nothing
# to do with the FancyIndexing customization directives above.
#
#AddEncoding x-compress .Z
#AddEncoding x-gzip .gz .tgz
#
# If the AddEncoding directives above are commented-out, then you
# probably should define those extensions to indicate media types:
#
AddType application/x-compress .Z
AddType application/x-gzip .gz .tgz

#
# AddHandler allows you to map certain file extensions to "handlers":
# actions unrelated to filetype. These can be either built into the server
# or added with the Action directive (see below)
#
# To use CGI scripts outside of ScriptAliased directories:
# (You will also need to add "ExecCGI" to the "Options" directive.)
#
#AddHandler cgi-script .cgi

#
# For files that include their own HTTP headers:
#
#AddHandler send-as-is asis

#
# For server-parsed imagemap files:
#
#AddHandler imap-file map

#
# For type maps (negotiated resources):
# (This is enabled by default to allow the Apache "It Worked" page
#  to be distributed in multiple languages.)
#
AddHandler type-map var

#
# Filters allow you to process content before it is sent to the client.
#
# To parse .shtml files for server-side includes (SSI):
# (You will also need to add "Includes" to the "Options" directive.)
#
#AddType text/html .shtml
#AddOutputFilter INCLUDES .shtml

#
# Action lets you define media types that will execute a script whenever
# a matching file is called. This eliminates the need for repeated URL
# pathnames for oft-used CGI file processors.
# Format: Action media/type /cgi-script/location
# Format: Action handler-name /cgi-script/location
#

#
# Customizable error responses come in three flavors:
# 1) plain text 2) local redirects 3) external redirects
#
# Some examples:
#ErrorDocument 500 "The server made a boo boo."
#ErrorDocument 404 /missing.html
#ErrorDocument 404 "/cgi-bin/missing_handler.pl"
#ErrorDocument 402 [url=http://www.example.com/subscription_info.html]http://www.example.com/subscription_info.html[/url]
#

#
# Putting this all together, we can internationalize error responses.
#
# We use Alias to redirect any /error/HTTP_<error>.html.var response to
# our collection of by-error message multi-language collections.  We use 
# includes to substitute the appropriate text.
#
# You can modify the messages' appearance without changing any of the
# default HTTP_<error>.html.var files by adding the line:
#
#   Alias /error/include/ "/your/include/path/"
#
# which allows you to create your own set of files by starting with the
# @[email protected]/include/ files and copying them to /your/include/path/, 
# even on a per-VirtualHost basis.  The default include files will display
# your Apache version number and your ServerAdmin email address regardless
# of the setting of ServerSignature.
#
# The internationalized error documents require mod_alias, mod_include
# and mod_negotiation.  To activate them, uncomment the following 30 lines.

#    Alias /error/ "@[email protected]/"
#
#    <Directory "@[email protected]">
#        AllowOverride None
#        Options IncludesNoExec
#        AddOutputFilter Includes html
#        AddHandler type-map var
#        Order allow,deny
#        Allow from all
#        LanguagePriority en cs de es fr it já ko nl pl pt-br ro sv tr
#        ForceLanguagePriority Prefer Fallback
#    </Directory>
#
#    ErrorDocument 400 /error/HTTP_BAD_REQUEST.html.var
#    ErrorDocument 401 /error/HTTP_UNAUTHORIZED.html.var
#    ErrorDocument 403 /error/HTTP_FORBIDDEN.html.var
#    ErrorDocument 404 /error/HTTP_NOT_FOUND.html.var
#    ErrorDocument 405 /error/HTTP_METHOD_NOT_ALLOWED.html.var
#    ErrorDocument 408 /error/HTTP_REQUEST_TIME_OUT.html.var
#    ErrorDocument 410 /error/HTTP_GONE.html.var
#    ErrorDocument 411 /error/HTTP_LENGTH_REQUIRED.html.var
#    ErrorDocument 412 /error/HTTP_PRECONDITION_FAILED.html.var
#    ErrorDocument 413 /error/HTTP_REQUEST_ENTITY_TOO_LARGE.html.var
#    ErrorDocument 414 /error/HTTP_REQUEST_URI_TOO_LARGE.html.var
#    ErrorDocument 415 /error/HTTP_UNSUPPORTED_MEDIA_TYPE.html.var
#    ErrorDocument 500 /error/HTTP_INTERNAL_SERVER_ERROR.html.var
#    ErrorDocument 501 /error/HTTP_NOT_IMPLEMENTED.html.var
#    ErrorDocument 502 /error/HTTP_BAD_GATEWAY.html.var
#    ErrorDocument 503 /error/HTTP_SERVICE_UNAVAILABLE.html.var
#    ErrorDocument 506 /error/HTTP_VARIANT_ALSO_VARIES.html.var



#
# The following directives modify normal HTTP response behavior to
# handle known problems with browser implementations.
#
BrowserMatch "Mozilla/2" nokeepalive
BrowserMatch "MSIE 4\.0b2;" nokeepalive downgrade-1.0 force-response-1.0
BrowserMatch "RealPlayer 4\.0" force-response-1.0
BrowserMatch "Java/1\.0" force-response-1.0
BrowserMatch "JDK/1\.0" force-response-1.0

#
# The following directive disables redirects on non-GET requests for
# a directory that does not include the trailing slash.  This fixes a 
# problem with Microsoft WebFolders which does not appropriately handle 
# redirects for folders with DAV methods.
# Same deal with Apple's DAV filesystem and Gnome VFS support for DAV.
#
BrowserMatch "Microsoft Data Access Internet Publishing Provider" redirect-carefully
BrowserMatch "MS FrontPage" redirect-carefully
BrowserMatch "^WebDrive" redirect-carefully
BrowserMatch "^WebDAVFS/1.[0123]" redirect-carefully
BrowserMatch "^gnome-vfs" redirect-carefully
BrowserMatch "^XML Spy" redirect-carefully
BrowserMatch "^Dreamweaver-WebDAV-SCM1" redirect-carefully

#
# Allow server status reports generated by mod_status,
# with the URL of [url=http://servername/server-status]http://servername/server-status[/url]
# Change the ".Vertrigo" to match your domain to enable.
#
#<Location /server-status>
#    SetHandler server-status
#    Order deny,allow
#    Deny from all
#    Allow from .Vertrigo
#</Location>

#
# Allow remote server configuration reports, with the URL of
#  [url=http://servername/server-info]http://servername/server-info[/url] (requires that mod_info.c be loaded).
# Change the ".Vertrigo" to match your domain to enable.
#
#<Location /server-info>
#    SetHandler server-info
#    Order deny,allow
#    Deny from all
#    Allow from .Vertrigo
#</Location>


#
# Bring in additional module-specific configurations
#
<IfModule mod_ssl.c>
    Include conf/ssl.conf
</IfModule>


### Section 3: Virtual Hosts
#
# VirtualHost: If you want to maintain multiple domains/hostnames on your
# machine you can setup VirtualHost containers for them. Most configurations
# use only name-based virtual hosts so the server doesn't need to worry about
# IP addresses. This is indicated by the asterisks in the directives below.
#
# Please see the documentation at 
# <URL:http://httpd.apache.org/docs-2.0/vhosts/>
# for further details before you try to setup virtual hosts.
#
# You may use the command line option '-S' to verify your virtual host
# configuration.

#
# Use name-based virtual hosting.
#
#NameVirtualHost *:80

#
# VirtualHost example:
# Almost any Apache directive may go into a VirtualHost container.
# The first VirtualHost section is used for requests without a known
# server name.
#
#<VirtualHost *:80>
#    ServerAdmin [email protected]
#    DocumentRoot /www/docs/dummy-host.example.com
#    ServerName dummy-host.example.com
#    ErrorLog logs/dummy-host.example.com-error_log
#    CustomLog logs/dummy-host.example.com-access_log common
#</VirtualHost>

# PHP5
AddType application/x-httpd-php .php .phtml .php5 
AddType application/x-httpd-php-source .phps

<Location /server-info>
SetHandler server-info
Order deny,allow
Deny from all
Allow from 127.0.0.1
</Location>

<Directory /path/to/publisher/directory>
   SetHandler mod_python
   PythonHandler mod_python.publisher
   PythonDebug On
</Directory>

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Baixe e instale o mod_python daqui:

http://httpd.apache.org/modules/python-download.cgi

Adicione esta linha ao httpd.conf:

LoadModule python_module modules/mod_python.so
O caminho deve apontar para o diretório onde está o módulo a ser executado. De preferência um diretório dentro de htdocs. Eu testei no Windows porque provavelmente é o que você está usando:
<Directory "c:/arquivos de programas/xampp/htdocs/python">
   SetHandler mod_python
   PythonHandler mod_python.publisher
   PythonDebug On
</Directory>

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fiz conforme voce sugeri kakao. Até instalei o xampp, mas agora está dando o erro abaixo quando eu executo da seguinte forma: http://localhost/xampp/python/. :(

Objeto não encontrado!

A URL requisitada não foi encontrada neste servidor. Se você digitou o endereço (URL) manualmente, por favor verifique novamente a sintaxe do endereço.

Se você acredita ter encontrado um problema no servidor, por favor entre em contato com o webmaster.

Error 404

localhost

11/14/06 15:47:35

Apache/2.2.3 (Win32) DAV/2 mod_ssl/2.2.3 OpenSSL/0.9.8d mod_autoindex_color PHP/5.2.0

o que pode ser isso ?

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fiz conforme voce sugeri kakao. Até instalei o xampp, mas agora está dando o erro abaixo quando eu executo da seguinte forma: http://localhost/xampp/python/. :(

Ele só vai encontrar algo neste endereço se o nome do programa for index.py. Se não for você tem que passar o nome do programa:

http://localhost/xampp/python/meu_programa

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ontem eu havia tentado tambem passando conforme você sugeriu agora, mas o erro era o mesmo. :(

Desculpe-me, mas tambem ocorreu um outro erro agora, com o xampp. Quando eu inicializo o xampp, eu coloquei para iniciar o apache como servico automaticamente, mas o apache não quer iniciar. Quando eu mando restartar o apache então ele fala que ocorreu um erro na linha 142 do arquivo httpd.conf e diz que não pode carregar o arquivo mod_python.so no servidor :(

eu fiz a instalacao do mod_python que voce falou e ao final da instalacao mandei carregar o mod_python no apache do diretorio xampp

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Se o diretório Python é:

"c:/arquivos de programas/xampp/htdocs/python"

Então o endereço web vai ser:

httpd://localhost/python/meu_programa.

É mais fácil se o diretório Python estiver em htdocs, caso contrário é necessário mudar a configuração do Apache.

Veja qual é a linha 142 e poste aqui.

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apaguei o xampp, ele tava me causando muitos problemas :angry: e então baixei e instalei o VertrigoServ e agora o apache está funcionando beleza :D . Mas quando mudo as configuracoes do arquivo httpd.conf para executar scripts do python, aí dá pau no servidor e ele nem funciona quando eu digito localhost no browser. Apaguei as linhas de configuracao do python do httpd.conf e o apache voltou a funcionar. O que pode estar acontecendo ? :(

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Existe uma versão de instalação do mod_python para cada versão do Apache. Se você mudou a versão do Apache quando instalou o XAMPP o mod_python não vai mais funcionar.

Para ver a versão do apache que está instalada abra uma janela DOS e:

C:\Documents and Settings\cpn>"C:\Arquivos de programas\xampp\apache\bin\httpd.exe" -v
Server version: Apache/2.2.3
Server built:   Aug 13 2006 19:16:43

Depois baixe e instale a versão do mod_python correspondente.

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