Extract XHTML-IM inline imags by default

- Add two new options: tmp_image_dir and extract_inline_images
- tmp_image_dir is $XDG_CACHE_HOME(usually ~/.cache)/poezio/images if unset
- Name the images from a SHA-1 of their data and their mimetype
- Output file:// links inside the message

1 files changed, 20 insertions, 1 deletions

diff --git a/src/config.py b/src/config.py
index 354c3447..5bd1ac17 100644
--- a/src/config.py
+++ b/src/config.py
@@ -361,7 +361,6 @@ def file_ok(filepath):
 def check_create_config_dir():
     """
     create the configuration directory if it doesn't exist
-    and copy the default config in it
     """
     CONFIG_HOME = environ.get("XDG_CONFIG_HOME")
     if not CONFIG_HOME:
@@ -374,6 +373,23 @@ def check_create_config_dir():
         pass
     return CONFIG_PATH
 
+def check_create_cache_dir():
+    """
+    create the cache directory if it doesn't exist
+    also create the subdirectories
+    """
+    global CACHE_DIR
+    CACHE_HOME = environ.get("XDG_CACHE_HOME")
+    if not CACHE_HOME:
+        CACHE_HOME = path.join(environ.get('HOME'), '.cache')
+    CACHE_DIR = path.join(CACHE_HOME, 'poezio')
+
+    try:
+        makedirs(CACHE_DIR)
+        makedirs(path.join(CACHE_DIR, 'images'))
+    except OSError:
+        pass
+
 def run_cmdline_args(CONFIG_PATH):
     "Parse the command line arguments"
     global options
@@ -495,3 +511,6 @@ safeJID = None
 
 # the global log dir
 LOG_DIR = ''
+
+# the global cache dir
+CACHE_DIR = ''