add help message and docstrings

This commit is contained in:
Nick Sweeting 2017-06-30 03:23:19 -05:00
parent 34859b1e0e
commit 5f0ad792a7
2 changed files with 87 additions and 40 deletions

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@ -1,19 +1,19 @@
#!/usr/bin/env python3
# wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
# sudo sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google-chrome.list'
# apt update; apt install google-chrome-beta
# Bookmark Archiver
# Nick Sweeting 2017 | MIT License
# https://github.com/pirate/bookmark-archiver
import re
import os
import sys
import json
from datetime import datetime
import time
from datetime import datetime
from subprocess import run, PIPE, DEVNULL
__DESCRIPTION__ = 'Bookmark Archiver: Create a browsable html archive of a list of links.'
__DOCUMENTATION__ = 'https://github.com/pirate/bookmark-archiver'
### SETTINGS
@ -25,15 +25,16 @@ INDEX_TEMPLATE = 'index_template.html'
# for boolean values, check to see if the string is 'true', and
# if so, the python variable will be True
FETCH_WGET = os.getenv('FETCH_WGET', 'True' ).lower() == 'true'
FETCH_PDF = os.getenv('FETCH_PDF', 'True' ).lower() == 'true'
FETCH_SCREENSHOT = os.getenv('FETCH_SCREENSHOT', 'True' ).lower() == 'true'
RESOLUTION = os.getenv('RESOLUTION', '1440,900' ) # screenshot resolution
FETCH_FAVICON = os.getenv('FETCH_FAVICON', 'True' ).lower() == 'true'
SUBMIT_ARCHIVE_DOT_ORG = os.getenv('SUBMIT_ARCHIVE_DOT_ORG', 'True' ).lower() == 'true'
ARCHIVE_PERMISSIONS = os.getenv('ARCHIVE_PERMISSIONS', '755' )
CHROME_BINARY = os.getenv('CHROME_BINARY', 'google-chrome') # change to chromium browser if using chromium
WGET_BINARY = os.getenv('WGET_BINARY', 'wget' )
FETCH_WGET = os.getenv('FETCH_WGET', 'True' ).lower() == 'true'
FETCH_PDF = os.getenv('FETCH_PDF', 'True' ).lower() == 'true'
FETCH_SCREENSHOT = os.getenv('FETCH_SCREENSHOT', 'True' ).lower() == 'true'
FETCH_FAVICON = os.getenv('FETCH_FAVICON', 'True' ).lower() == 'true'
SUBMIT_ARCHIVE_DOT_ORG = os.getenv('SUBMIT_ARCHIVE_DOT_ORG', 'True' ).lower() == 'true'
RESOLUTION = os.getenv('RESOLUTION', '1440,900' )
ARCHIVE_PERMISSIONS = os.getenv('ARCHIVE_PERMISSIONS', '755' )
CHROME_BINARY = os.getenv('CHROME_BINARY', 'chromium-browser' ) # change to google-chrome browser if using google-chrome
WGET_BINARY = os.getenv('WGET_BINARY', 'wget' )
def check_dependencies():
print('[*] Checking Dependencies:')
@ -67,6 +68,8 @@ def check_dependencies():
### PARSING READER LIST EXPORTS
def get_link_type(link):
"""Certain types of links need to be handled specially, this figures out when that's the case"""
if link['base_url'].endswith('.pdf'):
return 'PDF'
elif link['base_url'].rsplit('.', 1) in ('pdf', 'png', 'jpg', 'jpeg', 'svg', 'bmp', 'gif', 'tiff', 'webp'):
@ -78,6 +81,8 @@ def get_link_type(link):
return None
def parse_pocket_export(html_file):
"""Parse Pocket-format bookmarks export files (produced by getpocket.com/export/)"""
html_file.seek(0)
pattern = re.compile("^\\s*<li><a href=\"(.+)\" time_added=\"(\\d+)\" tags=\"(.*)\">(.+)</a></li>", re.UNICODE) # see sample input in ./example_ril_export.html
for line in html_file:
@ -98,7 +103,7 @@ def parse_pocket_export(html_file):
yield info
def parse_json_export(json_file):
"""pinboard exports are json"""
"""Parse JSON-format bookmarks export files (produced by pinboard.in/export/)"""
json_file.seek(0)
json_content = json.load(json_file)
@ -118,6 +123,8 @@ def parse_json_export(json_file):
yield info
def parse_bookmarks_export(html_file):
"""Parse netscape-format bookmarks export files (produced by all browsers)"""
html_file.seek(0)
pattern = re.compile("<a href=\"(.+?)\" add_date=\"(\\d+)\"[^>]*>(.+)</a>", re.UNICODE | re.IGNORECASE)
for line in html_file:
@ -144,7 +151,8 @@ def parse_bookmarks_export(html_file):
### ACHIVING FUNCTIONS
def fetch_wget(out_dir, link, overwrite=False):
# download full site
"""download full site using wget"""
domain = link['base_url'].split('/', 1)[0]
if not os.path.exists('{}/{}'.format(out_dir, domain)) or overwrite:
print(' - Downloading Full Site')
@ -160,7 +168,8 @@ def fetch_wget(out_dir, link, overwrite=False):
print(' √ Skipping site download')
def fetch_pdf(out_dir, link, overwrite=False):
# download PDF
"""print PDF of site to file using chrome --headless"""
if (not os.path.exists('{}/output.pdf'.format(out_dir)) or overwrite) and link['type'] not in ('PDF', 'image'):
print(' - Printing PDF')
chrome_args = '--headless --disable-gpu --print-to-pdf'.split(' ')
@ -174,7 +183,8 @@ def fetch_pdf(out_dir, link, overwrite=False):
print(' √ Skipping PDF print')
def fetch_screenshot(out_dir, link, overwrite=False):
# take screenshot
"""take screenshot of site using chrome --headless"""
if (not os.path.exists('{}/screenshot.png'.format(out_dir)) or overwrite) and link['type'] not in ('PDF', 'image'):
print(' - Snapping Screenshot')
chrome_args = '--headless --disable-gpu --screenshot'.split(' ')
@ -188,7 +198,7 @@ def fetch_screenshot(out_dir, link, overwrite=False):
print(' √ Skipping screenshot')
def archive_dot_org(out_dir, link, overwrite=False):
# submit to archive.org
"""submit site to archive.org for archiving via their service, save returned archive url"""
if (not os.path.exists('{}/archive.org.txt'.format(out_dir)) or overwrite):
print(' - Submitting to archive.org')
submit_url = 'https://web.archive.org/save/{}'.format(link['url'].split('?', 1)[0])
@ -215,7 +225,8 @@ def archive_dot_org(out_dir, link, overwrite=False):
print(' √ Skipping archive.org')
def fetch_favicon(out_dir, link, overwrite=False):
# download favicon
"""download site favicon from google's favicon api"""
if not os.path.exists('{}/favicon.ico'.format(out_dir)) or overwrite:
print(' - Fetching Favicon')
CMD = 'curl https://www.google.com/s2/favicons?domain={domain}'.format(**link).split(' ')
@ -232,7 +243,7 @@ def fetch_favicon(out_dir, link, overwrite=False):
### ORCHESTRATION
def next_uniq_timestamp(used_timestamps, timestamp):
"""resolve duplicate timestamps by appending a decimal"""
"""resolve duplicate timestamps by appending a decimal 1234, 1234 -> 1234.1, 1234.2"""
if timestamp not in used_timestamps:
return timestamp
@ -255,7 +266,8 @@ def uniquefied_links(links):
"""uniqueify link timestamps by de-duping using url, returns links sorted most recent -> oldest
needed because firefox will produce exports where many links share the same timestamp, this func
ensures that all non-duplicate links have monotonically increasing timestamps"""
ensures that all non-duplicate links have monotonically increasing timestamps
"""
links = list(reversed(sorted(links, key=lambda l: (l['timestamp'], l['url']))))
seen_timestamps = {}
@ -274,13 +286,17 @@ def uniquefied_links(links):
return links
def valid_links(links):
"""remove chrome://, about:// or other schemed links that cant be archived"""
return (link for link in links if link['url'].startswith('http') or link['url'].startswith('ftp'))
def dump_index(links, service):
"""create index.html file for a given list of links and service"""
with open(INDEX_TEMPLATE, 'r') as f:
index_html = f.read()
# TODO: refactor this out into index_template.html
link_html = """\
<tr>
<td>{time}</td>
@ -299,9 +315,11 @@ def dump_index(links, service):
# since we dont screenshot or PDF links that are images or PDFs, change those links to point to the wget'ed file
link_info = {**link}
# add link type to title
if link['type']:
link_info.update({'title': '{title} ({type})'.format(**link)})
# PDF and images link to wgetted version, since we dont re-screenshot/pdf them
if link['type'] in ('PDF', 'image'):
link_info.update({
'pdf_link': 'archive/{timestamp}/{base_url}'.format(**link),
@ -314,11 +332,15 @@ def dump_index(links, service):
})
return link_info
article_rows = '\n'.join(
link_html.format(**get_template_vars(link)) for link in links
)
template_vars = (datetime.now().strftime('%Y-%m-%d %H:%M'), article_rows)
with open(''.join((service, '/index.html')), 'w') as f:
article_rows = '\n'.join(
link_html.format(**get_template_vars(link)) for link in links
)
f.write(index_html.format(datetime.now().strftime('%Y-%m-%d %H:%M'), article_rows))
f.write(index_html.format(*template_vars))
def dump_website(link, service, overwrite=False):
"""download the DOM, PDF, and a screenshot into a folder named after the link's timestamp"""
@ -334,7 +356,7 @@ def dump_website(link, service, overwrite=False):
if link['type']:
print(' i Type: {}'.format(link['type']))
if not link['url'].startswith('http'):
if not (link['url'].startswith('http') or link['url'].startswith('ftp')):
print(' X Skipping: invalid link.')
return
@ -353,10 +375,17 @@ def dump_website(link, service, overwrite=False):
if FETCH_FAVICON:
fetch_favicon(out_dir, link, overwrite=overwrite)
def create_archive(export_file, service=None, resume=None):
with open(export_file, 'r', encoding='utf-8') as f:
print('[+] [{}] Starting archive from {} export file.'.format(datetime.now().strftime('%Y-%m-%d %H:%M:%S'), export_file))
def create_archive(export_file, service=None, resume=None):
"""update or create index.html and download archive of all links"""
with open(export_file, 'r', encoding='utf-8') as f:
print('[+] [{}] Starting archive from {} export file.'.format(
datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
export_file
))
# if specific service was passed via command line
if service == "pocket":
links = parse_pocket_export(f)
elif service == "pinboard":
@ -364,7 +393,7 @@ def create_archive(export_file, service=None, resume=None):
elif service == "bookmarks":
links = parse_bookmarks_export(f)
else:
# try all parsers until one works
# otherwise try all parsers until one works
try:
links = list(parse_json_export(f))
service = 'pinboard'
@ -378,9 +407,14 @@ def create_archive(export_file, service=None, resume=None):
links = valid_links(links) # remove chrome://, about:, mailto: etc.
links = uniquefied_links(links) # fix duplicate timestamps, returns sorted list
if resume:
try:
links = [link for link in links if float(link['timestamp']) >= float(resume)]
links = [
link
for link in links
if float(link['timestamp']) >= float(resume)
]
except TypeError:
print('Resume value and all timestamp values must be valid numbers.')
@ -398,21 +432,34 @@ def create_archive(export_file, service=None, resume=None):
run(['chmod', '-R', ARCHIVE_PERMISSIONS, service], timeout=30)
print('[*] [{}] Created archive index with {} links.'.format(datetime.now().strftime('%Y-%m-%d %H:%M:%S'), len(links)))
print('[*] [{}] Created archive index with {} links.'.format(
datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
len(links),
))
check_dependencies()
for link in links:
dump_website(link, service)
print('[√] [{}] Archive complete.'.format(datetime.now()))
print('[√] [{}] Archive update complete.'.format(datetime.now()))
if __name__ == '__main__':
argc = len(sys.argv)
export_file = sys.argv[1] if argc > 1 else "ril_export.html" # path to export file
export_type = sys.argv[2] if argc > 2 else None # select export_type for file format select
resume_from = sys.argv[3] if argc > 3 else None # timestamp to resume dowloading from
create_archive(export_file, export_type, resume=resume_from)
if argc < 2 or sys.argv[1] in ('-h', '--help', 'help'):
print(__DESCRIPTION__)
print("Documentation: {}".format(__DOCUMENTATION__))
print("")
print("Usage:")
print(" ./archive.py ~/Downloads/bookmarks_export.html")
print("")
raise SystemExit(0)
export_file = sys.argv[1] # path to export file
export_type = sys.argv[2] if argc > 2 else None # select export_type for file format select
resume_from = sys.argv[3] if argc > 3 else None # timestamp to resume dowloading from
create_archive(export_file, service=export_type, resume=resume_from)

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@ -1,7 +1,7 @@
#!/bin/bash
# Bookmark Archiver Setup Script
# Nick Sweeting 2017 | MIT License
# https://github.com/pirate/bookmark-archiver/issues
# https://github.com/pirate/bookmark-archiver
echo "[i] Installing bookmark-archiver dependencies. 📦"
echo ""