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# -*- coding: utf-8 -*-
# vim-hackernews
# --------------
# Browse Hacker News (news.ycombinator.com) inside Vim.
#
# Author: ryanss <ryanssdev@icloud.com>
# Website: https://github.com/ryanss/vim-hackernews
# License: MIT (see LICENSE file)
import HTMLParser
import json
import re
import textwrap
import urllib2
import vim
import webbrowser
API_URL = "http://node-hnapi.herokuapp.com"
MARKDOWN_URL = "http://fuckyeahmarkdown.com/go/?read=1&u="
def bwrite(s):
b = vim.current.buffer
# Never write more than two blank lines in a row
if not s.strip() and not b[-1].strip() and not b[-2].strip():
return
# Vim buffer.append() cannot accept unicode type,
# must first encode to UTF-8 string
if isinstance(s, unicode):
s = s.encode('utf-8', errors='replace')
# Code block markers for syntax highlighting
if s and s[-1] == unichr(160).encode('utf-8'):
b[-1] = s
return
if not b[0]:
b[0] = s
else:
b.append(s)
def hacker_news():
vim.command("edit .hackernews")
vim.command("setlocal noswapfile")
vim.command("setlocal buftype=nofile")
bwrite("┌───┐")
bwrite("│ Y │ Hacker News (news.ycombinator.com)")
bwrite("└───┘")
bwrite("")
news1 = json.loads(urllib2.urlopen(API_URL+"/news").read())
news2 = json.loads(urllib2.urlopen(API_URL+"/news2").read())
for i, item in enumerate(news1+news2):
if 'title' not in item:
continue
line = "%s%d. %s (%s) [%d]"
line %= (" " if i+1 < 10 else "", i+1, item['title'],
item['domain'], item['id'])
bwrite(line)
if item['type'] == "link":
line = "%s%d points by %s %s | %d comments [%s]"
line %= (" "*4, item['points'], item['user'], item['time_ago'],
item['comments_count'], str(item['id']))
bwrite(line)
elif item['type'] == "job":
line = "%s%s [%d]"
line %= (" "*4, item['time_ago'], item['id'])
bwrite(line)
bwrite("")
def hacker_news_link(external=False):
line = vim.current.line
# Search for Hacker News [item id]
m = re.search(r"\[([0-9]+)\]$", line)
if m:
id = m.group(1)
if external:
browser = webbrowser.get()
browser.open("https://news.ycombinator.com/item?id="+id)
return
item = json.loads(urllib2.urlopen(API_URL+"/item/"+id).read())
vim.command("edit .hackernews")
bwrite("%s (%s)" % (item['title'], item['domain']))
bwrite("%d points by %s %s | %d comments"
% (item['points'], item['user'], item['time_ago'],
item['comments_count']))
if item['url'].find("item?id=") == 0:
item['url'] = "http://news.ycombinator.com/" + item['url']
bwrite("[%s]" % item['url'])
bwrite("")
bwrite("")
print_comments(item['comments'])
return
# Search for [http] link
b = vim.current.buffer
i = vim.current.range.start
while b[i].find("[http") < 0 and i >= 0:
# The line we were on had no part of a link in it
if b[i-1].find("]") > 0 and b[i-1].find("]") > b[i-1].find("[http"):
return
i -= 1
start = i
if b[i].find("[http") >= 0:
if b[i].find("]") >= 0:
url = b[i][b[i].find("[http")+1:b[i].find("]")]
else:
url = b[i][b[i].find("[http")+1:]
while b[i].find("]") < 0:
if i != start:
url += b[i]
i += 1
if i != start:
url += b[i][:b[i].find("]")]
url = url.replace(" ", "").replace("\n", "")
if url.find("http://news.ycombinator.com/item?id=") == 0:
id = url[url.find("item?id=")+8:]
if external:
browser = webbrowser.get()
browser.open("https://news.ycombinator.com/item?id="+id)
return
item = json.loads(urllib2.urlopen(API_URL+"/item/"+id).read())
vim.command("edit .hackernews")
bwrite(item['title'])
bwrite("Posted %s by %s" % (item['time_ago'], item['user']))
bwrite("%d Points / %d Comments"
% (item['points'], item['comments_count']))
bwrite("[http://news.ycombinator.com/item?id=" + str(id) + "]")
bwrite("")
bwrite("")
print_comments(item['comments'])
return
if external:
browser = webbrowser.get()
browser.open(url)
return
vim.command("edit .hackernews")
content = urllib2.urlopen(MARKDOWN_URL+url).read()
for i, line in enumerate(content.split('\n')):
if not line:
bwrite("")
continue
line = textwrap.wrap(line, width=80)
for j, wrap in enumerate(line):
bwrite(wrap)
return
print "HackerNews.vim Error: Could not parse [item id]"
html = HTMLParser.HTMLParser()
def print_comments(comments):
for comment in comments:
level = comment['level']
bwrite("%sComment by %s %s:"
% ("\t"*level, comment.get('user', '???'), comment['time_ago']))
for p in comment['content'].split("<p>"):
if not p:
continue
p = html.unescape(p)
# Extract code block before textwrap to conserve whitespace
code = None
if p.find("<code>") >= 0:
m = re.search("<pre><code>([\S\s]*?)</code></pre>\n", p)
code = m.group(1)
p = p.replace(m.group(0), "!CODE!")
# Convert <a href="http://url/">Text</a> tags
# to markdown equivalent: (Text)[http://url/]
s = p.find("a>")
while s > 0:
s += 2
section = p[:s]
m = re.search(r"<a.*href=[\"\']([^\"\']*)[\"\'].*>(.*)</a>",
section)
# Do not bother with anchor text if it is same as href url
if m.group(1)[:20] == m.group(2)[:20]:
p = p.replace(m.group(0), "[%s]" % m.group(1))
else:
p = p.replace(m.group(0),
"(%s)[%s]" % (m.group(2), m.group(1)))
s = p.find("a>")
contents = textwrap.wrap(re.sub('<[^<]+?>', '', p),
width=80,
initial_indent=" "*4*level,
subsequent_indent=" "*4*level)
for line in contents:
if line.find("!CODE!") >= 0:
bwrite(" "*4*level + unichr(160))
for c in code.split("\n"):
bwrite(" "*4*level + c)
bwrite(" "*4*level + unichr(160))
line = " "*4*level + line.replace("!CODE!", "").strip()
if line.strip():
bwrite(line)
if contents and line.strip():
bwrite("")
bwrite("")
print_comments(comment['comments'])
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