import exifread
import os
import pandas as pd

# Get list of photos
photodir = 'Yigo_Palms_2015-01-04_0/'
filelist = os.listdir(photodir)
filelist

# Get date and time for each photo from EXIF
dt_list = []
for fn in filelist:
    path_name = photodir + fn
    # Open image file for reading (binary mode)
    f = open(path_name, 'rb')
    tags = exifread.process_file(f)
    dt = str(tags['EXIF DateTimeOriginal'])
    dt_list.append(dt)
dt_list

# Create a data frame and sort by time stamp
df = pd.DataFrame()
df['fn'] = filelist
df['dt'] = dt_list
df.sort('dt', inplace=True)
df

# Write a TeX file
tex = r'''
\documentclass[landscape,english]{scrartcl}
\usepackage[T1]{fontenc}
\usepackage[latin9]{inputenc}
\usepackage{graphicx}
\usepackage{babel}
\begin{document}
\title{Yigo Palms}
\author{Aubrey Moore}
\maketitle
'''

for index, row in df.iterrows():
    s = r'''
\pagebreak{}
\begin{figure}
\includegraphics[width=1\textwidth,height=0.9\textheight,keepaspectratio]{%s%s}
\caption{%s}
\end{figure}
'''
    s = s % (photodir, row['fn'], row['dt'])
    tex += s
    
tex += r'\end{document}'

f = open('YigoPalmAlbum.tex', 'w')
f.write(tex)
f.close()

# Generate a PDF version of the album (batchmode used to suppress output to this notebook)
!pdflatex -interaction=batchmode YigoPalmAlbum.tex

# Compress the PDF (from abot 80 Mb to about 2 Mb)
!gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=YigoPalmAlbumC.pdf YigoPalmAlbum.pdf

# Delete the bloated version of the PDF
%rm YigoPalmAlbum.pdf