909 lines
30 KiB
Python
Executable File
909 lines
30 KiB
Python
Executable File
#!/usr/bin/env python3
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# coding=utf-8
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#
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# Copyright 2016 Ville Rantanen
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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'''Markslider: a slideshow engine based on markdown.'''
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__author__ = "Ville Rantanen <ville.q.rantanen@gmail.com>"
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__version__ = "1.3"
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import sys,os,argparse,re,datetime
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from argparse import ArgumentParser
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import traceback,tty,termios,subprocess,signal
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sys.path.append(os.path.dirname(os.path.realpath(__file__)))
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import ansicodes, md_color
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HL=">"
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EOS="# End of Slides"
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class getch:
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def get(self):
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fd = sys.stdin.fileno()
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old_settings = termios.tcgetattr(fd)
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try:
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tty.setraw(sys.stdin.fileno())
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ch = sys.stdin.read(1)
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finally:
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termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
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return ch
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class EndProgram( Exception ):
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''' Nice exit '''
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pass
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class slide_reader:
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""" Class for reading files. """
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def __init__(self, files, opts):
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self.filename = files[0]
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self.files = files
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self.reader = None
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self.opts = opts
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self.pages = 0
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self.page = 0
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self.file_start_page = []
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self.width = None
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self.height = None
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self.max_width = None
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self.max_height = None
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self.data = []
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self.re_image_convert = re.compile("(.*)(!\[.*\])\((.*)\)>")
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self.re_command = re.compile("(.*)`(.*)`>(.*)")
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#~ self.control_chars = ''.join(map(unichr, range(0,32) + range(127,160)))
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#~ self.control_char_re = re.compile('[%s]' % re.escape(self.control_chars))
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self.background = []
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self.read()
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self.pygments = False
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if opts.syntax_pygments:
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try:
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self.pygments = Pygmentizer(
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opts.syntax_formatter,
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opts.syntax_style
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)
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except ImportError as e:
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self.pygments = False
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def read(self):
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''' Read a file, set pages and data '''
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self.pages = 0
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self.background = []
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self.data = []
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self.file_start_page = []
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first_slide_found = False
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for fname in self.files:
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first_slide_found = False
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f=open(fname,'r')
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new_page=[]
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in_code = False
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for row in f:
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if not row:
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continue
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row=row.rstrip("\n\r ")
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# find end of show
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if row == EOS:
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break
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# find header to start a new page
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if row.startswith("#") and not row.startswith("##") and not in_code:
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first_slide_found=True
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if len(new_page)>0:
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self.data.append(new_page)
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new_page=[]
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if row.startswith("```"):
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in_code = not in_code
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# if first slide havent been found yet:
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if not first_slide_found:
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self.background.append(row)
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continue
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new_page.extend(self.generate_content(row))
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if len(new_page)>0:
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self.data.append(new_page)
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f.close()
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self.file_start_page.append(len(self.data))
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if len(self.data)==0:
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raise ValueError("File does not have a # header")
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self.rename_duplicates()
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self.toc()
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self.pages=len(self.data)
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self.inc_page_no(0)
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self.max_width=0
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self.max_height=0
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for page in self.data:
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self.max_height=max(self.max_height, len(page))
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for row in page:
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self.max_width=max(self.max_width, len(row))
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def get_data(self):
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return self.data
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def get_current_filename(self):
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for i,offset in enumerate(self.file_start_page):
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if offset>self.page:
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return self.files[i]
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return "NA"
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def get_filename(self):
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return self.filename
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def get_page(self, page):
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try:
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return self.data[page]
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except IndexError:
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return None
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def get_pages(self):
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return self.pages
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def get_current_page(self):
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return self.data[self.page]
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def get_page_no(self):
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return self.page
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def inc_page_no(self,inc=1,loop=False):
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self.page+=inc
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if self.page<0:
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self.page=0
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if loop:
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self.page=self.pages-1
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if self.page>=self.pages:
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self.page=self.pages-1
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if loop:
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self.page=0
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self.width=max([len(x) for x in self.data[self.page]])
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self.height=len(self.data[self.page])
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def last_page(self):
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self.page=self.pages-1
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def first_page(self):
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self.page=0
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def get_page_height(self):
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return self.height
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def get_page_width(self):
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return self.width
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def get_max_height(self):
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return self.max_height
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def get_max_width(self):
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return self.max_width
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def get_toc(self,display_position=False):
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title=self.opts.toc if self.opts.toc else "Table of Contents"
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TOC=["# "+title,""]
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offset=(self.opts.toc_page-1) if self.opts.toc else 0
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for h1,page in enumerate(self.data[offset:]):
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title=page[0].strip("# ")
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if display_position and h1==self.page-offset:
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title="_%s_"%(title,)
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TOC.append("%d. %s"%(h1+1,title))
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subh=[0,0,0]
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if self.opts.toc_depth>1:
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for line in page:
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title=line.strip("# ")
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if re.search("^##[^#]", line):
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subh=[ subh[0]+1, 0, 0 ]
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TOC.append(" %d.%d. %s"%(h1+1,subh[0],title))
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if self.opts.toc_depth==2: continue
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if re.search("^###[^#]", line):
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subh=[ subh[0], subh[1]+1, 0 ]
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TOC.append(" %d.%d.%d. %s"%(h1+1,subh[0],subh[1],title))
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if self.opts.toc_depth==3: continue
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if re.search("^####[^#]", line):
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subh=[ subh[0], subh[1], subh[2]+1 ]
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TOC.append(" %d.%d.%d.%d. %s"%(h1+1,subh[0],subh[1],subh[2],title))
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return TOC
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def toc(self):
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if self.opts.toc:
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TOC=self.get_toc()
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self.data.insert(self.opts.toc_page-1,TOC)
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# adding 1 is not fullproof, if toc page is after the first document
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self.file_start_page=[1+i for i in self.file_start_page]
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def generate_content(self,s):
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""" Check for launchable items, or converted images """
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if self.opts.execute_read:
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if s.find("`>")>-1:
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command=self.re_command.match(s)
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if command !=None:
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return self.launch(command)
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image = self.re_image_convert.match(s)
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if image != None:
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return self.convert_image(image)
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return [s]
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def launch(self,command):
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""" Launch in a string using tags `command`>
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Remove empty lines from beginning and end of stdout.
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"""
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output = subprocess.check_output(
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command.group(2).strip(),
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shell = True
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)
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if type(output) == bytes:
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output = output.decode('utf-8')
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output = output.split("\n")
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while len(output[0].strip())==0:
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if len(output)==1: return [""]
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del output[0]
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while len(output[-1].strip())==0:
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if len(output)==1: return [""]
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del output[-1]
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return_value=[command.group(1)]
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return_value.extend(output)
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return_value.append(command.group(3))
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return return_value
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# return [s]
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def convert_image(self,image):
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""" comnvert image using tags ![]()>
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Remove empty lines from beginning and end of stdout.
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"""
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#~ 2=title
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#~ 3=image command
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output = subprocess.check_output(
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"convert %s JPEG:- | jp2a --colors --width=70 -"%( image.group(3),),
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shell=True
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)
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if type(output) == bytes:
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output = output.decode('utf-8')
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output = output.split("\n")
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while len(output[0].strip())==0:
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if len(output)==1: return [""]
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del output[0]
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while len(output[-1].strip())==0:
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if len(output)==1: return [""]
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del output[-1]
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return_value=[image.group(1)]
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return_value.extend(output)
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#~ return_value.append(image.group(4))
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return return_value
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# return [s]
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def rename_duplicates(self):
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if not opts.rename_title:
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return
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titles = {}
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page_nos = []
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for page in self.data:
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if not page[0] in titles:
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titles[page[0]] = 0
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titles[page[0]] += 1
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page_nos.append(titles[page[0]])
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for page, page_no in zip(self.data, page_nos):
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if titles[page[0]] > 1:
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page[0] += " [%d/%d]"%( page_no, titles[page[0]] )
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class Pygmentizer():
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def __init__(self, formatter, style):
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import pygments
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import pygments.lexers
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import pygments.formatters
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import pygments.styles
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self.pygments = pygments
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self.lexers = pygments.lexers
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self.formatters = pygments.formatters
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self.styles = pygments.styles
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self.style = self.styles.get_style_by_name(style)
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self.formatter = self.formatters.get_formatter_by_name(
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formatter,
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style = self.style
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)
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self.lexer = None
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def format(self, code):
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in_block = False
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blocks = []
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current_block = -1
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for i, row in enumerate(code):
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if row.startswith("```"):
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in_block = not in_block
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lexer_name = row.replace("```","").strip()
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if len(lexer_name) == 0:
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in_block = False
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if in_block:
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blocks.append({
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"lexer": lexer_name,
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"code": [],
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"rows": []
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})
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current_block += 1
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else:
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if in_block:
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blocks[current_block]["code"].append(row)
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blocks[current_block]["rows"].append(i)
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preformatted_rows = []
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for block in blocks:
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lexer = self.lexers.get_lexer_by_name(block["lexer"])
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tokens = self.pygments.lex("\n".join(block["code"]), lexer)
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formatted = self.pygments.format(tokens, self.formatter)
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# ~ print(block["rows"])
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# ~ print(formatted.split("\n"))
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for row, formatted_row in zip(block["rows"], formatted.split("\n")):
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code[row] = formatted_row
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preformatted_rows.append(row)
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return code, preformatted_rows
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def get_interactive_help_text():
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return ''' left/right,page up/down,home,end
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change page
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c list contents (toc)
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M modify file with VIM
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q exit browser
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r reload the presentation
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s toggle status bar
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t toggle timer (reqs. --timer switch)
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,/. scroll page
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up/down move highlight
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enter execute highlighted line
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h help'''
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def setup_options():
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''' Create command line options '''
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usage='''
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MarkSlider: a markdown based slideshow engine
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Special syntaxes:
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* Colors: insert string ${C}, where C is one of KRGBYMCWkrgbymcwSUZ
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* Text before first "# header" is not shown
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* Text after a "# End of Slides" is not shown
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* Execute shell: ` command -switch `! Beware of malicious code!
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* Execute and print output: ` command `> Beware of malicious code!
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* Convert images to ASCII, with jp2a: >
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Keyboard shortcuts:
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'''+get_interactive_help_text()
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parser=ArgumentParser(description=usage,
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formatter_class=argparse.RawDescriptionHelpFormatter,
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epilog=__author__)
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parser.add_argument("-v","--version",action="version",version=__version__)
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parser.add_argument("--export",action="store",dest="screenshots",default=False,
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type=str, help="Take screenshots of the slideshow in the given folder.")
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content = parser.add_argument_group('content')
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execution = parser.add_argument_group('execution')
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control = parser.add_argument_group('controls')
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content.add_argument("--background",action="store_true",dest="background",default = False,
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help="Use the rows before the first # header as slide background")
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content.add_argument("--center",action="store_true",dest="center",default=False,
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help="Center slides on screen.")
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content.add_argument("--dc",action="store_true",dest="dark_colors",default=False,
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help="Use dark colorscheme, better for white background terminals.")
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content.add_argument("-m",action="store_false",dest="autocolor",default=True,
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help="Disable color by markdown structure.")
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content.add_argument("--no-color","-n",action="store_false",dest="color",default=True,
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help="Disable color.")
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content.add_argument("--no-rename","--nr",action="store_false",dest="rename_title", default=True,
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help="Disable automatic renaming of duplicate titles.")
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content.add_argument("--toc",action="store",dest="toc",default=False,
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const="Table of Contents", type=str, nargs='?',
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help="Insert table of contents. Define the header, or use default: %(const)s")
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content.add_argument("--toc-page",action="store",dest="toc_page",default=2, type=int,
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help="Insert table of contents on a chosen page. default: %(const)s")
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content.add_argument("--toc-depth",action="store",dest="toc_depth",default=2, type=int,
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choices=list(range(1,5)),
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help="Table of contents display depth. default: %(const)s")
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content.add_argument("--no-pygments",action="store_false",dest="syntax_pygments",default = True,
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help="Disable autocoloring syntax with Pygments. Used only for ``` code blocks, if language is mentioned, ex.: ```python . Note! Do not have empty lines after ```")
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content.add_argument("--syntax-formatter",action="store",dest="syntax_formatter",default = "terminal256",
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choices=['terminal', 'terminal256', 'terminal16m'],
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help="Syntax highlighter formatter. default: %(default)s")
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content.add_argument("--syntax-style",action="store",dest="syntax_style",default = "monokai",
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help="Syntax highlighter style, see Pygments styles. default: %(default)s")
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execution.add_argument("-e",action="store_true",dest="execute",default=False,
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help="Execute commands in `! or `> tags at show time with Enter key. WARNING: Potentially very dangerous to run others' slides with this switch!")
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execution.add_argument("-E",action="store_true",dest="execute_read",default=False,
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help="Execute commands in ``> tags at file read time. WARNING: Potentially very dangerous to run others' slides with this switch!")
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control.add_argument("--exit",action="store_true",dest="exit_last",default=False,
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help="Exit after last slide.")
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control.add_argument("-s",action="store_false",dest="menu",default=True,
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help="Disable status bar.")
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control.add_argument("--timer",action="store",dest="slideTimer",default=False, type=int,
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help="Timer for slideshow. If set, starts automatic slide changing.")
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content.add_argument("-w",action="store_false",dest="wrap",default=True,
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help="Disable line wrapping. Cuts long lines.")
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parser.add_argument("files",type=str, nargs='+',
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help="File(s) to show")
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opts=parser.parse_args()
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opts.slideShow=not not opts.slideTimer
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if opts.screenshots:
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opts.slideShow=True
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opts.slideTimer=1
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opts.exit_last=True
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return opts
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def page_print(reader,opts,offset):
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''' Print a page '''
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page = reader.get_current_page()
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scrsize = opts.size
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# clear page
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bc.clear()
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if opts.center: # Placeholder for 80x25 center alignment
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align_width = reader.get_max_width()
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align_x_offset = int(scrsize[1]/2 - align_width/2)
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align_pad = " " * align_x_offset
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align_y_offset = int(scrsize[0]/2 - reader.get_max_height()/2)
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bc.down_line(align_y_offset)
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else:
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align_pad = ""
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# Print header
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if opts.dark_colors:
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coloring = "${b}${U}"
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else:
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coloring = "${U}${Y}"
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print(
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align_pad +
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colorify(
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coloring + page[0],
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opts) +
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bc.Z
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)
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if opts.background:
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bc.save()
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if opts.color:
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sys.stdout.write("\n".join([align_pad + bc.color_string(x) for x in reader.background]))
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else:
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sys.stdout.write("\n".join([align_pad + bc.nocolor_string(x) for x in reader.background]))
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bc.restore()
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if (sys.version_info < (3, 0)):
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# python2 magic
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page = [row.decode('utf-8') for row in page]
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# Print page rows
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if not opts.wrap:
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page = [cut_line(row,scrsize[1]-1) for row in page]
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parsed = md_color.parse(page)
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if opts.autocolor:
|
|
if reader.pygments:
|
|
|
|
# ~ to_pygmentize = []
|
|
# ~ pygmented_rows = []
|
|
# ~ for token_i in range(len(parsed)):
|
|
# ~ if parsed[token_i][0] == 'multiline_code':
|
|
# ~ to_pygmentize.append(parsed[token_i][1])
|
|
# ~ pygmented_rows.append(token_i)
|
|
# ~ if len(to_pygmentize) > 0:
|
|
preformatted, preformatted_rows = reader.pygments.format(
|
|
[x[1] for x in parsed]
|
|
)
|
|
|
|
for row_i in preformatted_rows:
|
|
parsed[row_i][0] = 'preformatted'
|
|
parsed[row_i][1] = preformatted[row_i]
|
|
colored = md_color.colorize(
|
|
parsed,
|
|
not opts.color,
|
|
opts.dark_colors
|
|
)
|
|
else:
|
|
if opts.color:
|
|
colored=[bc.color_string(row[1]) for row in parsed]
|
|
else:
|
|
colored=[bc.nocolor_string(row[1]) for row in parsed]
|
|
r = 0
|
|
for row_i in range(len(page)):
|
|
if row_i == 0: continue
|
|
if row_i < offset[0]: continue
|
|
row = page[row_i]
|
|
#page[1+offset[0]:]:
|
|
if opts.wrap:
|
|
row_lines = int(float(len(row))/scrsize[1])
|
|
else:
|
|
row_lines = 0
|
|
row_lines = 0
|
|
colored_row = colored[row_i]#=colorify(row,opts)
|
|
if offset[1] == r + 1 + offset[0]:
|
|
colored_row = add_highlight(row,opts)
|
|
sys.stdout.write(align_pad + colored_row)
|
|
|
|
if r >= scrsize[0] - 2:
|
|
break
|
|
r += row_lines + 1
|
|
sys.stdout.write("\n")
|
|
sys.stdout.flush()
|
|
return
|
|
|
|
|
|
def print_menu(reader,opts):
|
|
|
|
bc.posprint( opts.size[0], 0,
|
|
colorify("${y}%d${Z}/%d %s|%s"%(
|
|
1+reader.get_page_no(),
|
|
reader.get_pages(),
|
|
os.path.basename(reader.get_current_filename()),
|
|
"slideshow" if opts.slideShow else ""),
|
|
opts))
|
|
|
|
|
|
def print_time(opts):
|
|
now=datetime.datetime.now()
|
|
bc.posprint(
|
|
opts.size[0],
|
|
opts.size[1]-5,
|
|
colorify(
|
|
"%02d:%02d"%(
|
|
now.hour,
|
|
now.minute
|
|
),
|
|
opts
|
|
)
|
|
)
|
|
|
|
|
|
def print_help(reader,opts):
|
|
''' Create a window with help message '''
|
|
helptext=get_interactive_help_text().split('\n')
|
|
maxlen=max([len(x) for x in helptext])
|
|
bc.posprint(3,5," +"+"-"*maxlen+"+ ")
|
|
bc.posprint(4,5,colorify(" |${U}${Y}"+("{:^"+str(maxlen)+"}").format("Help")+"${Z}| ",opts))
|
|
for y,row in enumerate(helptext):
|
|
bc.posprint(5+y,5,(" |{:<"+str(maxlen)+"}| ").format(row))
|
|
bc.posprint(6+y,5," +"+"-"*maxlen+"+ ")
|
|
sys.stdout.write(bc.pos(opts.size[0], opts.size[1]))
|
|
inkey=getch.get()
|
|
|
|
|
|
def print_toc(reader,opts):
|
|
''' Create a window with TOC '''
|
|
text=reader.get_toc(display_position=True)
|
|
title=opts.toc if opts.toc else "Table of Contents"
|
|
maxlen=max([len(x) for x in text])
|
|
bc.posprint(3,2," +"+"-"*maxlen+"+ ")
|
|
parsed=md_color.parse(text)
|
|
if opts.autocolor:
|
|
colored=md_color.colorize(parsed,not opts.color,opts.dark_colors)
|
|
else:
|
|
if opts.color:
|
|
|
|
colored=[bc.color_string(row[1]) for row in parsed]
|
|
else:
|
|
colored=[bc.nocolor_string(row[1]) for row in parsed]
|
|
for y,row in enumerate(colored):
|
|
bc.posprint(4+y,2,(" |{:<"+str(maxlen)+"}| ").format(" "))
|
|
bc.posprint(4+y,3,("|{:<"+str(maxlen)+"}").format(row))
|
|
bc.posprint(5+y,2," +"+"-"*maxlen+"+ ")
|
|
sys.stdout.write(bc.pos(opts.size[0], opts.size[1]))
|
|
inkey=getch.get()
|
|
|
|
|
|
def offset_change(opts,reader,offset,new_offset):
|
|
''' Change the display position of page '''
|
|
new_offset=(offset[0]+new_offset[0], offset[1]+new_offset[1])
|
|
offsety=min(reader.get_page_height()-1,new_offset[0])
|
|
offseth=min(reader.get_page_height(),new_offset[1])
|
|
return [max(0,o) for o in (offsety,offseth)]
|
|
|
|
|
|
def timeouthandler(sig,frame):
|
|
#~ print(sig,frame)
|
|
raise IOError("Input timeout")
|
|
|
|
|
|
def getkeypress():
|
|
try:
|
|
return ord(getch.get())
|
|
except:
|
|
return False
|
|
|
|
|
|
def browser(opts,files):
|
|
''' Main function for printing '''
|
|
|
|
try:
|
|
reader=slide_reader(files,opts)
|
|
except:
|
|
print("Error in reading the file:")
|
|
for o in sys.exc_info():
|
|
print(o)
|
|
sys.exit(1)
|
|
offset=(0,0)
|
|
try:
|
|
while 1:
|
|
opts.size=get_console_size()
|
|
page_print(reader,opts,offset)
|
|
if opts.menu:
|
|
print_menu(reader,opts)
|
|
print_time(opts)
|
|
sys.stdout.write(bc.pos(opts.size[0], opts.size[1]))
|
|
sys.stdout.flush()
|
|
if opts.screenshots:
|
|
take_screenshot(reader,opts)
|
|
while True:
|
|
if opts.slideTimer and opts.slideShow:
|
|
signal.signal(signal.SIGALRM, timeouthandler)
|
|
signal.alarm(opts.slideTimer)
|
|
elif opts.menu:
|
|
signal.signal(signal.SIGALRM, timeouthandler)
|
|
signal.alarm(15)
|
|
inkey=getkeypress()
|
|
signal.alarm(0)
|
|
if not inkey and not opts.slideShow and opts.menu:
|
|
# normal operation, just update the time
|
|
print_time(opts)
|
|
continue
|
|
if not inkey and opts.slideShow:
|
|
# slideshow mode
|
|
if opts.exit_last:
|
|
if reader.page+1==reader.pages:
|
|
return
|
|
reader.inc_page_no(1,True)
|
|
offset=(0,0)
|
|
break
|
|
#~ print(inkey)
|
|
if inkey in [113,3,120]:
|
|
#print('Exited in: ')
|
|
return
|
|
if inkey in [67,54,32]: # PGDN or space
|
|
if opts.exit_last:
|
|
if reader.page+1==reader.pages:
|
|
return
|
|
reader.inc_page_no(1)
|
|
offset=(0, 0)
|
|
if inkey in [68,53,127]:
|
|
reader.inc_page_no(-1)
|
|
offset=(0, 0)
|
|
if inkey==72 or inkey==49: # HOME
|
|
reader.first_page()
|
|
offset=(0, 0)
|
|
if inkey==70 or inkey==52: # END
|
|
reader.last_page()
|
|
offset=(0, 0)
|
|
if inkey==ord('c'):
|
|
print_toc(reader,opts)
|
|
if inkey==ord('h'):
|
|
print_help(reader,opts)
|
|
if inkey==ord('s'):
|
|
opts.menu=not opts.menu
|
|
if inkey==ord('t'):
|
|
opts.slideShow=not opts.slideShow
|
|
if inkey==ord('r'):
|
|
reader.read()
|
|
offset=offset_change(opts,reader,offset,(0, 0))
|
|
if inkey==ord('M'):
|
|
modify_file(reader,offset)
|
|
reader.read()
|
|
offset=offset_change(opts,reader,offset,(0, 0))
|
|
if inkey==ord(','):
|
|
offset=offset_change(opts,reader,offset,(-1, 0))
|
|
if inkey==ord('.'):
|
|
offset=offset_change(opts,reader,offset,(1, 0))
|
|
if inkey==65: # up
|
|
offset=offset_change(opts,reader,offset,(0, -1))
|
|
if inkey==66: # down
|
|
offset=offset_change(opts,reader,offset,(0, 1))
|
|
if inkey==13: # enter
|
|
launch(reader,opts,offset)
|
|
break
|
|
|
|
|
|
except IOError:
|
|
pass
|
|
except KeyboardInterrupt:
|
|
sys.exit(0)
|
|
except EndProgram:
|
|
pass
|
|
except:
|
|
print("Unexpected error:")
|
|
print(traceback.format_exc())
|
|
sys.exit(1)
|
|
|
|
|
|
def get_console_size():
|
|
rows, columns = os.popen('stty size', 'r').read().split()
|
|
return (int(rows),int(columns))
|
|
|
|
|
|
def colorify(s,opts):
|
|
""" Add colors to string """
|
|
if not opts.color:
|
|
return bc.nocolor_string(s)
|
|
c=bc.color_string(s)#+bc.Z
|
|
return c
|
|
|
|
|
|
def cut_line(s,i):
|
|
""" cut a color tagged string, and remove control chars """
|
|
s=s[:i]
|
|
s=re.sub("\$$","",
|
|
re.sub("\$\{$","",
|
|
re.sub("\$\{.$","",
|
|
s)))
|
|
return s
|
|
|
|
|
|
def add_highlight(s,opts):
|
|
""" Add cursor position highlight """
|
|
if len(s.strip())==0:
|
|
cleaned=HL
|
|
else:
|
|
cleaned=bc.nocolor_string(s)
|
|
tagged="${Y}"+cleaned+"${Z}"
|
|
return colorify(tagged,opts)
|
|
|
|
|
|
def launch(reader,opts,offset):
|
|
""" Launch in a string using tags $!command$! or $>command$>
|
|
Remove empty lines from beginning and end of stdout in $> commands.
|
|
Detects URLS and markdown images 
|
|
"""
|
|
if not opts.execute:
|
|
bc.posprint(
|
|
offset[1]-offset[0]+1,
|
|
0,
|
|
"Execution not enabled!"
|
|
)
|
|
inkey = getch.get()
|
|
return
|
|
s = reader.get_current_page()[offset[1]]
|
|
urls = re.findall('http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+', s)
|
|
images = re.findall('!\[[^]]+\]\([^\)]+\)', s)
|
|
# sanity check
|
|
if s.find("`") == -1 and len(urls) == 0 and len(images) == 0:
|
|
return
|
|
|
|
run_command=re.match("(.*)`(.*)`!(.*)",s)
|
|
show_command=re.match("(.*)`(.*)`>(.*)",s)
|
|
if show_command != None:
|
|
output = subprocess.check_output(
|
|
show_command.group(2).strip(),
|
|
shell = True
|
|
)
|
|
if type(output) == bytes:
|
|
output = output.decode('utf-8')
|
|
output = output.split("\n")
|
|
while len(output[0].strip())==0:
|
|
if len(output)==1: return
|
|
del output[0]
|
|
while len(output[-1].strip())==0:
|
|
if len(output)==1: return
|
|
del output[-1]
|
|
for y,l in enumerate(output):
|
|
bc.posprint(y+offset[1]-offset[0]+2,0,' '*len(l))
|
|
bc.clear_to_end()
|
|
bc.posprint(y+offset[1]-offset[0]+2,0,l)
|
|
inkey=getch.get()
|
|
return
|
|
if run_command != None:
|
|
subprocess.call(
|
|
run_command.group(2),
|
|
shell = True,
|
|
executable = "/bin/bash"
|
|
)
|
|
inkey=getch.get()
|
|
return
|
|
# Open URLS last
|
|
if len(urls)>0:
|
|
# Remove ) at the end of url: [name](link) markdown syntax
|
|
subprocess.call(
|
|
"%s '%s' &"%(
|
|
get_open_command(),
|
|
urls[0].rstrip(")"),
|
|
),
|
|
stdout = subprocess.PIPE,
|
|
stderr = subprocess.PIPE,
|
|
shell = True
|
|
)
|
|
return
|
|
if len(images)>0:
|
|
image = re.sub('.*\(([^\)]+)\).*', "\\1",images[0])
|
|
subprocess.call(
|
|
"%s '%s' &"%(
|
|
get_open_command(),
|
|
image,
|
|
),
|
|
stdout = subprocess.PIPE,
|
|
stderr = subprocess.PIPE,
|
|
shell = True
|
|
)
|
|
return
|
|
return
|
|
|
|
|
|
def modify_file(reader,offset):
|
|
row=1
|
|
row_restarts=reader.file_start_page
|
|
for page in range(reader.page):
|
|
if opts.toc_page==page+1 and opts.toc:
|
|
continue
|
|
row+=len(reader.data[page])
|
|
if (page+1) in row_restarts:
|
|
row=1
|
|
subprocess.call(
|
|
"vim +%d -c 'exe \"normal! zt\"' -c %d %s"%(
|
|
row,
|
|
row + offset[1],
|
|
reader.get_current_filename()
|
|
),
|
|
shell = True
|
|
)
|
|
|
|
|
|
def take_screenshot(reader,opts):
|
|
out_file = os.path.join(
|
|
opts.screenshots,
|
|
"slide%03d.png"%(reader.page + 1,)
|
|
)
|
|
if not os.path.exists(opts.screenshots):
|
|
os.mkdir(opts.screenshots)
|
|
subprocess.call(
|
|
"sleep 0.5; import -window %s '%s'"%(
|
|
opts.xwinid,
|
|
out_file
|
|
),
|
|
stdout = subprocess.PIPE,
|
|
stderr = subprocess.PIPE,
|
|
shell = True
|
|
)
|
|
|
|
|
|
def get_open_command():
|
|
if sys.platform.startswith("darwin"):
|
|
return "open"
|
|
else:
|
|
return "xdg-open"
|
|
|
|
|
|
def main():
|
|
global bc
|
|
global getch
|
|
global opts
|
|
bc = ansicodes.code()
|
|
getch = getch()
|
|
opts = setup_options()
|
|
if opts.screenshots:
|
|
print("Click the terminal window to read window ID")
|
|
xwininfo = subprocess.check_output(
|
|
"xwininfo",
|
|
shell = True
|
|
)
|
|
if type(xwininfo) == bytes:
|
|
xwininfo = xwininfo.decode('utf-8')
|
|
xwininfo = re.search(r"Window id: (0x[0-9]+)", xwininfo)
|
|
if xwininfo:
|
|
opts.xwinid = xwininfo.group(1)
|
|
else:
|
|
print("Cannot parse window ID")
|
|
sys.exit(1)
|
|
browser(
|
|
opts,
|
|
opts.files
|
|
)
|
|
print("\n\n")
|
|
if opts.screenshots:
|
|
print("Crop the images for terminal tabs, and PDFize e.g.:\n- mogrify -chop 0x50 %s/*png\n- convert %s/*png %s.pdf"%(
|
|
opts.screenshots,
|
|
opts.screenshots,
|
|
os.path.basename(opts.screenshots),
|
|
))
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|