Fix up indentation of examples to use 4 spaces instead of tabs.
diff --git a/Doc/libcgi.tex b/Doc/libcgi.tex
index d736f39..4768f0f 100644
--- a/Doc/libcgi.tex
+++ b/Doc/libcgi.tex
@@ -40,8 +40,8 @@
generate a minimal header section looks like this:
\begin{verbatim}
- print "Content-type: text/html" # HTML is following
- print # blank line, end of headers
+ print "Content-type: text/html" # HTML is following
+ print # blank line, end of headers
\end{verbatim}
The second section is usually HTML, which allows the client software
@@ -49,9 +49,9 @@
Here's Python code that prints a simple piece of HTML:
\begin{verbatim}
- print "<TITLE>CGI script output</TITLE>"
- print "<H1>This is my first CGI script</H1>"
- print "Hello, world!"
+ print "<TITLE>CGI script output</TITLE>"
+ print "<H1>This is my first CGI script</H1>"
+ print "Hello, world!"
\end{verbatim}
(It may not be fully legal HTML according to the letter of the
@@ -77,16 +77,16 @@
the fields \code{name} and \code{addr} are both set to a non-empty string:
\begin{verbatim}
- form = cgi.FieldStorage()
- form_ok = 0
- if form.has_key("name") and form.has_key("addr"):
- if form["name"].value != "" and form["addr"].value != "":
- form_ok = 1
- if not form_ok:
- print "<H1>Error</H1>"
- print "Please fill in the name and addr fields."
- return
- ...further form processing here...
+ form = cgi.FieldStorage()
+ form_ok = 0
+ if form.has_key("name") and form.has_key("addr"):
+ if form["name"].value != "" and form["addr"].value != "":
+ form_ok = 1
+ if not form_ok:
+ print "<H1>Error</H1>"
+ print "Please fill in the name and addr fields."
+ return
+ ...further form processing here...
\end{verbatim}
Here the fields, accessed through \code{form[key]}, are themselves instances
@@ -101,20 +101,20 @@
concatenates any number of username fields, separated by commas:
\begin{verbatim}
- username = form["username"]
- if type(username) is type([]):
- # Multiple username fields specified
- usernames = ""
- for item in username:
- if usernames:
- # Next item -- insert comma
- usernames = usernames + "," + item.value
- else:
- # First item -- don't insert comma
- usernames = item.value
- else:
- # Single username field specified
- usernames = username.value
+ username = form["username"]
+ if type(username) is type([]):
+ # Multiple username fields specified
+ usernames = ""
+ for item in username:
+ if usernames:
+ # Next item -- insert comma
+ usernames = usernames + "," + item.value
+ else:
+ # First item -- don't insert comma
+ usernames = item.value
+ else:
+ # Single username field specified
+ usernames = username.value
\end{verbatim}
If a field represents an uploaded file, the value attribute reads the
@@ -124,14 +124,14 @@
attribute:
\begin{verbatim}
- fileitem = form["userfile"]
- if fileitem.file:
- # It's an uploaded file; count lines
- linecount = 0
- while 1:
- line = fileitem.file.readline()
- if not line: break
- linecount = linecount + 1
+ fileitem = form["userfile"]
+ if fileitem.file:
+ # It's an uploaded file; count lines
+ linecount = 0
+ while 1:
+ line = fileitem.file.readline()
+ if not line: break
+ linecount = linecount + 1
\end{verbatim}
The file upload draft standard entertains the possibility of uploading
@@ -252,7 +252,7 @@
followed by the pathname of the Python interpreter, for instance:
\begin{verbatim}
- #!/usr/local/bin/python
+ #!/usr/local/bin/python
\end{verbatim}
Make sure the Python interpreter exists and is executable by ``others''.
@@ -274,9 +274,9 @@
before importing other modules, e.g.:
\begin{verbatim}
- import sys
- sys.path.insert(0, "/usr/home/joe/lib/python")
- sys.path.insert(0, "/usr/local/lib/python")
+ import sys
+ sys.path.insert(0, "/usr/home/joe/lib/python")
+ sys.path.insert(0, "/usr/local/lib/python")
\end{verbatim}
(This way, the directory inserted last will be searched first!)
@@ -312,7 +312,7 @@
request by entering a URL into your browser of the form:
\begin{verbatim}
- http://yourhostname/cgi-bin/cgi.py?name=Joe+Blow&addr=At+Home
+ http://yourhostname/cgi-bin/cgi.py?name=Joe+Blow&addr=At+Home
\end{verbatim}
If this gives an error of type 404, the server cannot find the script
@@ -329,9 +329,9 @@
your script: replace its main code with the single statement
\begin{verbatim}
- cgi.test()
+ cgi.test()
\end{verbatim}
-
+
This should produce the same results as those gotten from installing
the \code{cgi.py} file itself.
@@ -364,16 +364,16 @@
For example:
\begin{verbatim}
- import sys
- import traceback
- print "Content-type: text/html"
- print
- sys.stderr = sys.stdout
- try:
- ...your code here...
- except:
- print "\n\n<PRE>"
- traceback.print_exc()
+ import sys
+ import traceback
+ print "Content-type: text/html"
+ print
+ sys.stderr = sys.stdout
+ try:
+ ...your code here...
+ except:
+ print "\n\n<PRE>"
+ traceback.print_exc()
\end{verbatim}
Notes: The assignment to \code{sys.stderr} is needed because the traceback
@@ -385,11 +385,11 @@
built-in modules):
\begin{verbatim}
- import sys
- sys.stderr = sys.stdout
- print "Content-type: text/plain"
- print
- ...your code here...
+ import sys
+ sys.stderr = sys.stdout
+ print "Content-type: text/plain"
+ print
+ ...your code here...
\end{verbatim}
This relies on the Python interpreter to print the traceback. The