diff options
Diffstat (limited to 'Lib/cgi.py')
| -rwxr-xr-x | Lib/cgi.py | 28 |
1 files changed, 13 insertions, 15 deletions
@@ -43,8 +43,8 @@ Here's Python code that prints a simple piece of HTML: print "<H1>This is my first CGI script</H1>" print "Hello, world!" -(It may not be fully legal HTML according to the letter of the -standard, but any browser will understand it.) +It may not be fully legal HTML according to the letter of the +standard, but any browser will understand it. Using the cgi module @@ -82,11 +82,11 @@ of FieldStorage (or MiniFieldStorage, depending on the form encoding). If the submitted form data contains more than one field with the same name, the object retrieved by form[key] is not a (Mini)FieldStorage -instance but a list of such instances. If you expect this possibility -(i.e., when your HTML form comtains multiple fields with the same -name), use the type() function to determine whether you have a single -instance or a list of instances. For example, here's code that -concatenates any number of username fields, separated by commas: +instance but a list of such instances. If you are expecting this +possibility (i.e., when your HTML form comtains multiple fields with +the same name), use the type() function to determine whether you have +a single instance or a list of instances. For example, here's code +that concatenates any number of username fields, separated by commas: username = form["username"] if type(username) is type([]): @@ -213,16 +213,16 @@ installed; usually this is in a directory cgi-bin in the server tree. Make sure that your script is readable and executable by "others"; the Unix file mode should be 755 (use "chmod 755 filename"). Make sure -that the first line of the script contains "#!" starting in column 1 +that the first line of the script contains #! starting in column 1 followed by the pathname of the Python interpreter, for instance: #! /usr/local/bin/python Make sure the Python interpreter exists and is executable by "others". -(Note that it's probably not a good idea to use #! /usr/bin/env python +Note that it's probably not a good idea to use #! /usr/bin/env python here, since the Python interpreter may not be on the default path -given to CGI scripts!!!) +given to CGI scripts!!! Make sure that any files your script needs to read or write are readable or writable, respectively, by "others" -- their mode should @@ -244,7 +244,7 @@ before importing other modules, e.g.: sys.path.insert(0, "/usr/home/joe/lib/python") sys.path.insert(0, "/usr/local/lib/python") -(This way, the directory inserted last will be searched first!) +This way, the directory inserted last will be searched first! Instructions for non-Unix systems will vary; check your HTTP server's documentation (it will usually have a section on CGI scripts). @@ -298,8 +298,8 @@ your script: replace its main code with the single statement This should produce the same results as those gotten from installing the cgi.py file itself. -When an ordinary Python script raises an unhandled exception -(e.g. because of a typo in a module name, a file that can't be opened, +When an ordinary Python script raises an unhandled exception (e.g., +because of a typo in a module name, a file that can't be opened, etc.), the Python interpreter prints a nice traceback and exits. While the Python interpreter will still do this when your CGI script raises an exception, most likely the traceback will end up in one of @@ -410,8 +410,6 @@ backwards compatible and debugging classes and functions? """ -# " <== Emacs font-lock de-bogo-kludgificocity - __version__ = "2.2" |