# Installation
The library `lxml` is needed. Please reference
[here](http://lxml.de/installation.html) for more information.
If you are an Debian/Ubuntu user, simply type:
$ sudo apt-get install python-lxml
# Usage
Using [Codeforces Problem 198A problem
](http://codeforces.com/problemset/problem/198/A) as an example.
## Donwload Sample Tests
The url of this problem is
<http://codeforces.com/problemset/problem/198/A>. Please notice the
**contest_id** is **198** and the **problem_id** is **A**.
$ cf.py -c 198 -p A # download this problem
$ cf.py -c 198 # download all problems in this contest
There is another url <http://codeforces.com/contest/198/problem/A> which
indicated the same problem. You can see the contest_id and problem_id
is same, so it wouldn't be a problem.
## Running the Tests
Suppose your source code is named `A.{lang}`, which `{lang}` could be
`cpp`, `c`, `java` or `py` for the current version.
Then, simple run `cf.py A.{lang}`, you will get the result like this:
$ cf.py A.java
output:
2
=== Case #1: AC (85 ms) ===
output:
2
answer:
3
=== Case #2: WA (83 ms) ===
press enter to continue or <C-c> to leave.
output:
Exception in thread "main" java.lang.Exception
at A.<init>(A.java:12)
at A.main(A.java:18)
answer:
0
=== Case #3: RE (95 ms) ===
press enter to continue or <C-c> to leave.
## Configurations
The file `conf.py' contains the compile & execute commands of support
languages, so you could add more commands to support more languages
easily by yourself.
The section [global] in `conf.py` contains some setting about the *test
file*'s name. Since the *source code*'s name and the *test file*'s name
must be exactly same, you could change these settings to follow your
naming convension. For example:
In the default setting:
PATTERN = "upper({id})"
REPLACE_SPACE = "_"
EXTENSION = ".xml"
the filename would be 'A.xml'
Or you could added the *contest id* and *problem's name*: (also notice the
`replace_space`)
PATTERN = "{contest}-upper({id})-lower({name})"
REPLACE_SPACE = "-"
EXTENSION = ".xml"
the filename would be 'A-about-bacteria.xml'
# About
This tool is only verifiid on Linux now, but I think it could be run on
other platforms, although it maybe need a little modify.
Please feel free to fork and any suggesions are welcome.
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