1""" 

2@file 

3@brief Various functions to install some application such as `pandoc <http://johnmacfarlane.net/pandoc/>`_. 

4""" 

5from __future__ import print_function 

6import sys 

7import re 

8import os 

9 

10from ..installhelper.install_cmd_helper import run_cmd 

11from .install_custom import download_page, download_file 

12 

13 

14def IsPandocInstalled(): 

15 """ 

16 @return True of False whether or not it was installed 

17 """ 

18 if sys.platform.startswith("win"): 

19 path = "{0}\\AppData\\Local\\Pandoc\\pandoc.exe".format( 

20 os.environ["USERPROFILE"]) 

21 return os.path.exists(path) 

22 else: 

23 raise NotImplementedError("not available on platform " + sys.platform) 

24 

25 

26def install_pandoc( 

27 temp_folder=".", fLOG=print, install=True, force_download=False, version=None): 

28 """ 

29 Install `pandoc <http://johnmacfarlane.net/pandoc/>`_. 

30 It does not do it a second time if it is already installed. 

31 

32 @param temp_folder where to download the setup 

33 @param fLOG logging function 

34 @param install install (otherwise only download) 

35 @param force_download force the downloading of pandoc 

36 @param version version to install (unused) 

37 @return temporary file 

38 """ 

39 if version is not None: 

40 raise ValueError("cannot specify a version") 

41 bb = IsPandocInstalled() 

42 if bb and not force_download: 

43 return True 

44 

45 link = "https://github.com/jgm/pandoc/releases" 

46 page = download_page(link) 

47 if sys.platform.startswith("win"): 

48 reg = re.compile("href=\\\"(.*?[.]msi)\\\"") 

49 alls = reg.findall(page) 

50 if len(alls) == 0: 

51 raise Exception( 

52 "unable to find a link on a .msi file on page: " + 

53 page) 

54 

55 file = alls[0].split("/")[-1] 

56 filel = "https://github.com/jgm/pandoc/releases/download/{0}/pandoc-{0}-windows-x86_64.msi" 

57 version = file.replace("pandoc-", "").replace("-windows.msi", "") 

58 vershort = version.split("-")[0] 

59 fLOG("[pymy] pandoc, version ", vershort) 

60 full = filel.format(vershort) 

61 outfile = os.path.join(temp_folder, full.split("/")[-1]) 

62 fLOG("[pymy] download ", full) 

63 local = download_file(full, outfile) 

64 if install and not bb: 

65 run_cmd("msiexec /i " + local, fLOG=fLOG, wait=True) 

66 return local 

67 else: 

68 raise NotImplementedError("not available on platform " + sys.platform)