1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
from url import URLAccumulator
from urllib import quote
from cache import Cache
def clear_cache():
Cache("mimetex").clear()
class mimeTeX(URLAccumulator):
""" The mimeTeX server returns a GIF-image for a LaTeX math expression.
http://www.forkosh.com/mimetex.html
"""
def __init__(self, eq, wait=10, asynchronous=False):
url = "http://www.forkosh.dreamhost.com/mimetex.cgi?"+quote(eq)
URLAccumulator.__init__(self, url, wait, asynchronous, "mimetex", type=".gif", throttle=1)
def load(self, data):
# Provide the path to the GIF stored in cache.
self.image = self._cache.hash(self.url)
def gif(eq):
return mimeTeX(eq).image
#eq = "E = hf = \frac{hc}{\lambda} \,\! "
#image(gif(eq), 10, 10)
|
