Add ability to choose python-for-android directory

buildozer/__init__.py

@@ -100,6 +100,10 @@ def __init__(self, filename='buildozer.spec', target=None):
             self.config.read(filename)
             self.check_configuration_tokens()
 
+        # Check all section/tokens for env vars, and replace the
+        # config value if a suitable env var exists.
+        set_config_from_envs(self.config)
+
         try:
             self.log_level = int(self.config.getdefault(
                 'buildozer', 'log_level', '1'))
@@ -914,6 +918,9 @@ def _get_config_list(self, section, token, default=None, with_values=False):
         # monkey-patch method for ConfigParser
         # get a key as a list of string, seperated from the comma
 
+        # check if an env var exists that should replace the file config
+        set_config_token_from_env(section, token, self.config)
+
         # if a section:token is defined, let's use the content as a list.
         l_section = '{}:{}'.format(section, token)
         if self.config.has_section(l_section):
@@ -934,7 +941,12 @@ def _get_config_list(self, section, token, default=None, with_values=False):
 
     def _get_config_default(self, section, token, default=None):
         # monkey-patch method for ConfigParser
+        # get an appropriate env var if it exists, else
         # get a key in a section, or the default
+
+        # check if an env var exists that should replace the file config
+        set_config_token_from_env(section, token, self.config)
+
         if not self.config.has_section(section):
             return default
         if not self.config.has_option(section, token):
@@ -944,6 +956,10 @@ def _get_config_default(self, section, token, default=None):
     def _get_config_bool(self, section, token, default=False):
         # monkey-patch method for ConfigParser
         # get a key in a section, or the default
+
+        # check if an env var exists that should replace the file config
+        set_config_token_from_env(section, token, self.config)
+
         if not self.config.has_section(section):
             return default
         if not self.config.has_option(section, token):
@@ -1206,3 +1222,33 @@ def run_remote():
         pass
     except BuildozerException as error:
         Buildozer().error('%s' % error)
+
+def set_config_from_envs(config):
+    '''Takes a ConfigParser, and checks every section/token for an
+    environment variable of the form SECTION_TOKEN, with any dots
+    replaced by underscores. If the variable exists, sets the config
+    variable to the env value.
+    '''
+    for section in config.sections():
+        for token in config.options(section):
+            set_config_token_from_env(section, token, config)
+
+def set_config_token_from_env(section, token, config):
+    '''Given a config section and token, checks for an appropriate
+    environment variable. If the variable exists, sets the config entry to
+    its value.
+
+    The environment variable checked is of the form SECTION_TOKEN, all
+    upper case, with any dots replaced by underscores.
+
+    Returns True if the environment variable exists and was used, or
+    False otherwise.
+
+    '''
+    env_var_name = ''.join([section.upper(), '_',
+                            token.upper().replace('.', '_')])
+    env_var = os.environ.get(env_var_name)
+    if env_var is None:
+        return False
+    config.set(section, token, env_var)
+    return True

buildozer/default.spec

@@ -75,6 +75,9 @@ fullscreen = 1
 # (str) Android SDK directory (if empty, it will be automatically downloaded.)
 #android.sdk_path = 
 
+# (str) python-for-android git clone directory (if empty, it will be automatically cloned from github)
+#android.p4a_dir =
+
 # (str) Android entry point, default is ok for Kivy-based app
 #android.entrypoint = org.renpy.android.PythonActivity
 

buildozer/targets/android.py

@@ -300,7 +300,12 @@ def install_platform(self):
         cmd = self.buildozer.cmd
         self.pa_dir = pa_dir = join(self.buildozer.platform_dir, 'python-for-android')
         if not self.buildozer.file_exists(pa_dir):
-            cmd('git clone git://github.com/kivy/python-for-android',
+            system_p4a_dir = self.buildozer.config.getdefault('app', 'p4a_dir')
+            if system_p4a_dir:
+                cmd('ln -s {} ./python-for-android'.format(system_p4a_dir),
+                    cwd = self.buildozer.platform_dir)
+            else:
+                cmd('git clone git://github.com/kivy/python-for-android',
                     cwd=self.buildozer.platform_dir)
         elif self.platform_update:
             cmd('git clean -dxf', cwd=pa_dir)
@@ -350,7 +355,9 @@ def compile_platform(self):
         need_compile = 0
         if last_requirements != android_requirements:
             need_compile = 1
-        if not self.buildozer.file_exists(self.pa_dir, 'dist', 'default', 'build.py'):
+
+        dist_name = self.buildozer.config.get('app', 'package.name')
+        if not self.buildozer.file_exists(self.pa_dir, 'dist', dist_name, 'build.py'):
             need_compile = 1
 
         if not need_compile:
@@ -360,8 +367,8 @@ def compile_platform(self):
         modules_str = ' '.join(android_requirements)
         cmd = self.buildozer.cmd
         self.buildozer.debug('Clean and build python-for-android')
-        cmd('git clean -dxf', cwd=self.pa_dir)
-        cmd('./distribute.sh -m "{0}"'.format(modules_str), cwd=self.pa_dir)
+        cmd('./distribute.sh -m "{0}" -d "{1}"'.format(modules_str, dist_name),
+            cwd=self.pa_dir)
         self.buildozer.debug('Remove temporary build files')
         self.buildozer.rmdir(join(self.pa_dir, 'build'))
         self.buildozer.rmdir(join(self.pa_dir, '.packages'))
@@ -381,7 +388,8 @@ def _get_package(self):
         return package.lower()
 
     def build_package(self):
-        dist_dir = join(self.pa_dir, 'dist', 'default')
+        dist_name = self.buildozer.config.get('app', 'package.name')
+        dist_dir = join(self.pa_dir, 'dist', dist_name)
         config = self.buildozer.config
         package = self._get_package()
         version = self.buildozer.get_version()